ener-save hydrocarbon air cooled screw chillerhcscrewchiller.ener-save.biz/enersave air cooled screw...
TRANSCRIPT
ENER-SAVE HYDROCARBON Air Cooled Screw Chiller Your Green Input to Chiller ever found in the market Cooling
Capacity 77RT to 172RT
To eliminate the threat of environmental impact by utilizing environmental friendly
refrigerant gas- Hydrocarbon Refrigerant Gas
ENER-SAVE SDN BHD Hydrocarbon Air Cooled Screw Chiller
P a g e | 1 Switch to Green Save the Environment Save The EARTH
Table of Contents
1 Table of Contents Page 1
2 Model Description Page 2
3 Award winning products Page 3
4 Superior Features Page 4 ndash Page 5
5 Technical Specification Page 6 ndash Page 7
6 Compressor Selection Page 7 ndash Page 10
7 Refrigerant Gas Selection Page 11 ndash Page 12
8 Label on Hydrocarbon Chiller Page 12 ndash Page 13
9 Safety Guideline and Minimum Room Ventilation Page 14 ndash Page 15
10 Authorized Distributor and Qualified Installer Page 16
11 Appendix
Applicable to Commercial and Industrial Building (Category C) chiller located at non-public
areas of supermarket plant rooms and machinery room
ENER-SAVE SDN BHD Hydrocarbon Air Cooled Screw Chiller
P a g e | 2 Switch to Green Save the Environment Save The EARTH
Model Description
System Designed comply to Malaysia Standard MS 26782017
ENER-SAVE SDN BHD Hydrocarbon Air Cooled Screw Chiller
P a g e | 3 Switch to Green Save the Environment Save The EARTH
AWARD WINING PRODUCT
ENER-SAVE SDN BHD Hydrocarbon Air Cooled Screw Chiller
P a g e | 4 Switch to Green Save the Environment Save The EARTH
Superior Feature
ESWC Hydrocarbon series designed using Semi- Hermetic Screw compressor System designs
consist of several systems and every system operated by single compressor It further reduces
the refrigerant gas charge amount and increases the feasibility of easy maintenance and
servicing
Screw compressor ndashdeploy to serve the main compression drive to ESWC Hydrocarbon Chiller
low noise level high EER and high reliability and tested in many applications The electrical
termination point is sealed by fire rating insulation Series HC1 which is utilizing the HC-12a as
refrigerant further reduce extremely high-pressure hazard if compares to system using HC-
22a and HFC R410a
Chiller capacity control design is based on number of compressor and the control step from
thermostat controller Other safety gadget to protect the chiller system is flow rate sensor
pressure switch anti-freeze sensor and HC leak detector
HC leak detector can be linked to exhaust fan or other control circuit for refrigerant gas
evacuation and indication
Picture 4 ndash Isobutene Propane refrigerant gas sensor
Control Panel
ENER-SAVE SDN BHD Hydrocarbon Air Cooled Screw Chiller
P a g e | 5 Switch to Green Save the Environment Save The EARTH
bull Interactive screen
bull User friendly interface
bull Simple operation
bull Graph and digital numerical display for chilled water temperature
bull Display for Cut-OFF and Cut-IN temperature set-points
bull Temperature in Centigrade unit
bull System run time display in Days Hours and Minutes
bull Indicator lights to show the number of running compressors compressorrsquos status running status system error and compressorrsquos maintenance indicator
bull Active Alarm and History Alarm display to show the current and previous error
bull Parameters is set to factory default if the PLC is out of battery for 10 days
bull Easy set point setting for Cut-OFF Cut-IN temperatures and Cut-IN Timers
bull Password features to provide safety for the system parameters from being adjusted by unauthorized personal
bull PLC IO indicators to show the current PLC IO status
Remarks Ener-Save may change the controller to Carel Controller without prior notice
ENER-SAVE SDN BHD Hydrocarbon Air Cooled Screw Chiller
P a g e | 6 Switch to Green Save the Environment Save The EARTH
Technical Specification
Model (77RT to 172RT)
ESAC77C50SHCx
ESAC86C50CHCx
ESAC86C50SHCx
ESAC155C50SHCx
ESAC172C50SHCx
General
Capacity RT +-5 776 867 865 1552 1729
BTUh 931200 1040400 1038000 1862400 2074800
Rated Power kW 1020 1148 1091 2040 2182
Operating Power kW 878 980 933 1756 1867
No Of refrigerant circuits
1
2 1 2 2
Number of compressor
1 2 1 2 2
Capacity Steps of Compressor
100 ndash 75-50 ndash 0
100 ndash 75-50 ndash 0
100 ndash 75-50 ndash 0
100 ndash 75-50 ndash 25 ndash
0
100 ndash 75-50 ndash 25 ndash
0
Compressor
Type Semi-Hermetic
Screw
Semi-Hermetic
Screw
Semi-Hermetic
Screw
Semi-Hermetic
Screw
Semi-Hermetic
Screw
Compressor Model RC2-310B RC2-180B RC2-340B RC2-310B RC2-340B
Connection Star-Delta Star-Delta Star-Delta Star-Delta Star-Delta
Voltage Range 342 ndash 462Vac
Power Supply 380 415V 3ph 50Hz
Air Cooled Condenser V Coil 16FPI
No Coil 4 4 4 8 8
Face Area (m2) 1072 1208 1208 214 242
No of Fan Motor x Power (kW)
6 x 32 6 x 32 6 x 32 12 x 32 12 x 332
Air Flow (m3h) 136000 146200 146200 272000 292400
Cooling Shell amp Tube
ENER-SAVE SDN BHD Hydrocarbon Air Cooled Screw Chiller
P a g e | 7 Switch to Green Save the Environment Save The EARTH
Recommended Full Load Differential Temp Degree Celsius
45 ndash 6 45 ndash 6 45 ndash 6 45 ndash 6 45 ndash 6
Chilled Water LCWT Degree Celsius
70
Water Flow Rate usgpm
2061 2303 2298 4122 4592
Number of Cooling shell and tube
1 1 1 1 1
Water Connection (Flange) Size Inch
4rdquo 4rdquo 4rdquo 6rdquo 6rdquo
Refrigerant
HC-22aR290 Weight kg per system
17 13 x 2 18 22 x 2 18 x 2
Category C C C C C
Dimension
Height mm 1920 1920 1920 1920 1920
Width mm 2500 2500 2500 5000 5000
Length mm 1450 2290 2290 1450 2290
Weight kg 820 960 1120 1640 1820
Notes
1 1 RT = 3024kcalh = 3517kW 1m3 H2O 98kPa
2 Ambient Temperature of 40 Degree Celsius
3 Specification subject to change without prior notice
4 Compressor Oil SUNISO 4GS
5 Chiller Overview subject to change without prior notice due to positioning of chiller
compressor chiller barrel and condenser coil and fins
6 Designed Chilled Water Differential Temperature = 5 degree Celsius (12 oC7 oC)
Compressor Selection Highlights of RC2 Series Screw Compressor WWWHANBELLCOM
High-efficiency Motor 1062672 Available for part winding start or star delta start 1062672 Custom-made for specified voltage and frequency of power 1062672 Two options AampB motor for RC2-100~RC2-930 Four options A1 A2 amp B1 B2 motors for RC2-1020 ~1530
ENER-SAVE SDN BHD Hydrocarbon Air Cooled Screw Chiller
P a g e | 8 Switch to Green Save the Environment Save The EARTH
1062672 Optimal slot design for passage of refrigerant inside motor casing 1062672 Refrigerant flows through outside of motor winding to provide the most efficient motor cooling 1062672 Sliding-fit stator easier for installation and removal
Part-load Effective Economizer Operation 1062672 Enhance cooling capacity as well as energy efficiency 1062672 Sustain optimum medium pressure by vapor injection through specially-designed slots in slide valve and compression casing 1062672 Effective under partial load and full load
Dual Capacity Control 1062672 Flanged-on solenoid coil easy for installation 1062672 3-step 4-step or continuous (33~100 25~100) capacity control system 1062672 Interchangeable by varying control logic without modification of solenoid valves
Durable Bearing Structure
ENER-SAVE SDN BHD Hydrocarbon Air Cooled Screw Chiller
P a g e | 9 Switch to Green Save the Environment Save The EARTH
1062672 High-quality bearings (radial and axial resistance) 1062672 Additional bearing for backward rotation 1062672 ________ _______________________ 1062672 Heavy-duty design 1062672 Longer bearing life compared to traditional 9-bearing design
High-performance Integral Oil Separator 1062672 Detachable demister for cleaning 1062672 Finer size of mesh 1062672 Low pressure drop and oil carry-over 1062672 Three-staged oil separation (RC2-1020~RC2-1530)
Complete Protection amp Accessories 1 Motor temperature sensor (optional) 106267210626721062672106267210626721062672 ldquoBuilt-inrdquo Pt100 or Pt1000 installed in motor winding 106267210626721062672106267210626721062672 Accurately registers motor temperature 106267210626721062672106267210626721062672 Controller can precisely initiate liquid injection to motor accordingly 2 Discharge Temperature Thermistor amp Motor Temperature Thermistor 106267210626721062672106267210626721062672 Totally integrated 106267210626721062672106267210626721062672 Effectively protect compressor in advance when any abnormal alarm occurs
ENER-SAVE SDN BHD Hydrocarbon Air Cooled Screw Chiller
P a g e | 10 Switch to Green Save the Environment Save The EARTH
3 Liquid Injection and Oil Cooler Function (Port amp Stop Pin) 106267210626721062672106267210626721062672 Both available on every Hanbell screw compressor 4 Oil Level Switch 106267210626721062672106267210626721062672 Ensure sufficient lubricant in compressor for better lubrication capacity control cooling and sealing 5 Heater (150W amp 300W) 106267210626721062672106267210626721062672 Increase lubricantrsquos flow-ability when compressor restarts after long-term stop 6 Connection for Pressure Differential Switch 106267210626721062672106267210626721062672 Easily detect clog in oil filter 106267210626721062672106267210626721062672 Assure effective capacity modulation and lubrication
Other Advantages 1062672 Low noise level and minimum vibration 1062672 Fewer quantity of parts in screw compressor than those in reciprocating compressor 1062672 Easy for maintenance and overhaul 1062672 Compact geometry easy for layout
Approval and Certification 1062672 Production by SOP conformed to major quality standards 1062672 Approved by ISO 9001-2000 UL CE(PED) Electronic Apparatus for Explosive Atmospheres (EX China) Lloydrsquos Register (vessel) Symbol of Excellence in Taiwan
ENER-SAVE SDN BHD Hydrocarbon Air Cooled Screw Chiller
P a g e | 11 Switch to Green Save the Environment Save The EARTH
Refrigerant Gas Selection
Hydrocarbon Refrigerant Gas HC refrigerant is designed to replace ozone-depleting global-warming refrigerants HC
Refrigerants are made of natural organic compounds mdash not a blend of pre-existing
chemically based synthetic refrigerants
In fact HC Refrigerant products can actually enhance the life and performance of air-
conditioning and refrigeration system Thanks to an anti-friction additive and their excellent
thermal and chemical stability After more than 12 years of extensive testing itrsquos clear that HC
Refrigerant Products provide more efficient performance than the man-made synthetic
refrigerants they replace
OR ENER-SAVE R600a is designed as direct replace and
retrofit refrigerant gas for Ozone Depleting refrigerant R12 (CFC) or Global Warming
refrigerant gas R134a (HFC)
OR ENER-SAVE R290 is designed as direct replace and
retrofit refrigerant gas for ozone depleting refrigerant gas R22 (HCFC) Global Warming
Refrigerant gas R410a R411a and R407C
A Natural Solution to a Global Dilemma
A growing awareness of the environmental issues facing our planet has motivated many world
leaders and governments to embrace hydrocarbon technology as a long-term solution to
environmental concerns The European Common has adopted a new Standard EN 378 which
provides guidelines for the use and installation of hydrocarbon refrigerants in over 14
European countries In the past five years alone more than 8 million refrigerators and freezers
were manufactured in Germany and Denmark utilizing hydrocarbon technology
Features of HC Refrigerant Benefits
bull Highly efficient
bull Non-ozone depleting
bull Non-corrosive
bull Non-toxic
bull Non-global warming
bull Molecule Lighter
bull Energy Saving
bull Environmental Friendly
bull Enhance Life and Performance of AC System
ENER-SAVE SDN BHD Hydrocarbon Air Cooled Screw Chiller
P a g e | 12 Switch to Green Save the Environment Save The EARTH
In the US ASHRAE has rewritten Standard 15 to provide a framework for greater use of
hydrocarbon refrigerants In the past ten years more than one million gallons of our HC
Refrigerant has been used to cool between 3 million and 5 million motor vehicles throughout
North America During that period there have been no reported accidents or injuries
attributed to the use of our products
Hydrocarbon refrigerant gas helps to stop ozone depleting (ODP= 0) amp reduce the global-
warming crisis (GWP lt 3) fully compliance with UN Montreal Protocol amp Kyoto Protocol
Refrigerants Hydrocarbons (HC)
Chlorofluorocarbons (CFC)
Hydro Chlorofluorocarbons
(HCFC)
Hydro Fluorocarbons
(HFC)
ODP 0 09 004 0
GWP (CO2 = 1 100 year Basic)
3 10600 1800 1600
Ozone Depleting Substances controlled by UN Montreal Protocol
Global Warming Substances gt150 controlled by Kyoto Protocol
Label on Hydrocarbon Chiller
ENER-SAVE SDN BHD Hydrocarbon Air Cooled Screw Chiller
P a g e | 13 Switch to Green Save the Environment Save The EARTH
ENER-SAVE SDN BHD Hydrocarbon Air Cooled Screw Chiller
P a g e | 14 Switch to Green Save the Environment Save The EARTH
Safety Guideline and Minimum Room Ventilation
General Safety Issues All hydrocarbon refrigerants are highly flammable but non-toxic This gives them an ldquoA3rdquo classification according to MS 26782017 Reference should be made to this Standard which details the requirements for the safe use of flammable refrigerants in commercial and industrial applications For more detailed information on these safety requirements refer to the Institute of Refrigeration Safety Code for A3 refrigerants There are many other safety requirements that should be considered in the design and construction of all refrigerating and air conditioning installations regardless of the flammability of the refrigerant used General safety standards and codes of practice referenced in this document should be consulted for this additional information Allowable Refrigerant Charge The limiting factor associated with the use of hydrocarbon refrigerants is the refrigerant charge size the occupancy category and the room size The charge size requirements according to MS 26782017 are detailed in Table below Table Charge size requirements for various location categories
Systems with charge sizes of 015kg or less can be installed in any size of room Systems with charge size of more than 015kg room size should be such that a sudden loss of refrigerant shall not raise the mean concentration in the room above the practical limit (approximately 0008kgm3) Room Ventilation and Refrigerant Detection ldquoRefrigeration machinery rooms should be vented to the outside air by means of natural or mechanical ventilation Free Air Movement (All) ldquoEnsure that free air movement can be achieved around all refrigerant containing parts of the system Openings for outside air should be positioned such that short circuiting does not occurrdquo
ENER-SAVE SDN BHD Hydrocarbon Air Cooled Screw Chiller
P a g e | 15 Switch to Green Save the Environment Save The EARTH
Mechanical Ventilation (All) Where the refrigerant charge of a single refrigerating circuit exceeds the mass in Equation below a machinery room containing HC refrigerants must employ mechanical ventilation capable of providing the minimum ventilation rate The minimum ventilation rate depends upon the type of electrical protection within the machinery room Where the installation is protected according to the mechanical ventilation rate should be equivalent to at least 10-room volume changes per hour
Eg Minimum ventilation fan flow rate for extraction Vmin
Vmin = 0004 x m LFL
Where
Vmin = minimum volume flow rate of extract fan m3 s
m = largest mass of refrigerant within any single circuit of any refrigerating system kg
(lb)
LFL = Lower Flammability Limit of refrigerant kgm3
Vmin = = 0004 x 22kg 0038kgm3 = 232m3s
Suggested Ventilation Fan should be more than 232 m3s flow rate for
Ener-Save Hydrocarbon Air Cooled Screw Chiller
ldquoIn all cases a refrigerant detector should be linked into the initiation of mechanical ventilation The location of the sampling point should be at low level (where heavier than air refrigerants are used) The ventilation must either be running continuously or use a refrigerant detector starting device set at 25 of the Lower Flammability Level (LFL) Lower ventilation rates can be initiated upon detection of lower refrigerant concentrationsrdquo ldquoThe inlet of the extract ventilation should be located at floor level and ducted to a safe location Discharge points for vented air or openings for fresh air shall be positioned so as to avoid discharged air being drawn back in the building such as ventilation system inlets opening windows and doors and sources of ignition The rejection of flammable materials shall not present a hazard externally such as entering a building or being in contact with sources of ignition The mechanical ventilation system should be designed to maintain the room at a lower pressure than surrounding areas so that there will be no escape of leaked refrigerants to other areas Fans for mechanical ventilation should use motors of non-sparking type and the fan blades and cowling should be designed so as to avoid sparking as a result of metal-to-metal contact Mechanical ventilation equipment should be installed with independent emergency control located outside of and near to the machinery roomrdquo
ENER-SAVE SDN BHD Hydrocarbon Air Cooled Screw Chiller
P a g e | 16 Switch to Green Save the Environment Save The EARTH
Authorized and Qualified Installer
Product Manufacturer and HC Trainer
ENER-SAVE SDN BHD
(661220-A) Tel +607-557 2669 Fax +607-558 2669
Todays Savings Tomorrows Sustainable Living Switch To Green Save The Environment Save The Earth We Specialise in Natural Green Refrigerant - Hydrocarbon
ENER-SAVE SDN BHD Hydrocarbon Air Cooled Screw Chiller
P a g e | 1 Switch to Green Save the Environment Save The EARTH
Table of Contents
1 Table of Contents Page 1
2 Model Description Page 2
3 Award winning products Page 3
4 Superior Features Page 4 ndash Page 5
5 Technical Specification Page 6 ndash Page 7
6 Compressor Selection Page 7 ndash Page 10
7 Refrigerant Gas Selection Page 11 ndash Page 12
8 Label on Hydrocarbon Chiller Page 12 ndash Page 13
9 Safety Guideline and Minimum Room Ventilation Page 14 ndash Page 15
10 Authorized Distributor and Qualified Installer Page 16
11 Appendix
Applicable to Commercial and Industrial Building (Category C) chiller located at non-public
areas of supermarket plant rooms and machinery room
ENER-SAVE SDN BHD Hydrocarbon Air Cooled Screw Chiller
P a g e | 2 Switch to Green Save the Environment Save The EARTH
Model Description
System Designed comply to Malaysia Standard MS 26782017
ENER-SAVE SDN BHD Hydrocarbon Air Cooled Screw Chiller
P a g e | 3 Switch to Green Save the Environment Save The EARTH
AWARD WINING PRODUCT
ENER-SAVE SDN BHD Hydrocarbon Air Cooled Screw Chiller
P a g e | 4 Switch to Green Save the Environment Save The EARTH
Superior Feature
ESWC Hydrocarbon series designed using Semi- Hermetic Screw compressor System designs
consist of several systems and every system operated by single compressor It further reduces
the refrigerant gas charge amount and increases the feasibility of easy maintenance and
servicing
Screw compressor ndashdeploy to serve the main compression drive to ESWC Hydrocarbon Chiller
low noise level high EER and high reliability and tested in many applications The electrical
termination point is sealed by fire rating insulation Series HC1 which is utilizing the HC-12a as
refrigerant further reduce extremely high-pressure hazard if compares to system using HC-
22a and HFC R410a
Chiller capacity control design is based on number of compressor and the control step from
thermostat controller Other safety gadget to protect the chiller system is flow rate sensor
pressure switch anti-freeze sensor and HC leak detector
HC leak detector can be linked to exhaust fan or other control circuit for refrigerant gas
evacuation and indication
Picture 4 ndash Isobutene Propane refrigerant gas sensor
Control Panel
ENER-SAVE SDN BHD Hydrocarbon Air Cooled Screw Chiller
P a g e | 5 Switch to Green Save the Environment Save The EARTH
bull Interactive screen
bull User friendly interface
bull Simple operation
bull Graph and digital numerical display for chilled water temperature
bull Display for Cut-OFF and Cut-IN temperature set-points
bull Temperature in Centigrade unit
bull System run time display in Days Hours and Minutes
bull Indicator lights to show the number of running compressors compressorrsquos status running status system error and compressorrsquos maintenance indicator
bull Active Alarm and History Alarm display to show the current and previous error
bull Parameters is set to factory default if the PLC is out of battery for 10 days
bull Easy set point setting for Cut-OFF Cut-IN temperatures and Cut-IN Timers
bull Password features to provide safety for the system parameters from being adjusted by unauthorized personal
bull PLC IO indicators to show the current PLC IO status
Remarks Ener-Save may change the controller to Carel Controller without prior notice
ENER-SAVE SDN BHD Hydrocarbon Air Cooled Screw Chiller
P a g e | 6 Switch to Green Save the Environment Save The EARTH
Technical Specification
Model (77RT to 172RT)
ESAC77C50SHCx
ESAC86C50CHCx
ESAC86C50SHCx
ESAC155C50SHCx
ESAC172C50SHCx
General
Capacity RT +-5 776 867 865 1552 1729
BTUh 931200 1040400 1038000 1862400 2074800
Rated Power kW 1020 1148 1091 2040 2182
Operating Power kW 878 980 933 1756 1867
No Of refrigerant circuits
1
2 1 2 2
Number of compressor
1 2 1 2 2
Capacity Steps of Compressor
100 ndash 75-50 ndash 0
100 ndash 75-50 ndash 0
100 ndash 75-50 ndash 0
100 ndash 75-50 ndash 25 ndash
0
100 ndash 75-50 ndash 25 ndash
0
Compressor
Type Semi-Hermetic
Screw
Semi-Hermetic
Screw
Semi-Hermetic
Screw
Semi-Hermetic
Screw
Semi-Hermetic
Screw
Compressor Model RC2-310B RC2-180B RC2-340B RC2-310B RC2-340B
Connection Star-Delta Star-Delta Star-Delta Star-Delta Star-Delta
Voltage Range 342 ndash 462Vac
Power Supply 380 415V 3ph 50Hz
Air Cooled Condenser V Coil 16FPI
No Coil 4 4 4 8 8
Face Area (m2) 1072 1208 1208 214 242
No of Fan Motor x Power (kW)
6 x 32 6 x 32 6 x 32 12 x 32 12 x 332
Air Flow (m3h) 136000 146200 146200 272000 292400
Cooling Shell amp Tube
ENER-SAVE SDN BHD Hydrocarbon Air Cooled Screw Chiller
P a g e | 7 Switch to Green Save the Environment Save The EARTH
Recommended Full Load Differential Temp Degree Celsius
45 ndash 6 45 ndash 6 45 ndash 6 45 ndash 6 45 ndash 6
Chilled Water LCWT Degree Celsius
70
Water Flow Rate usgpm
2061 2303 2298 4122 4592
Number of Cooling shell and tube
1 1 1 1 1
Water Connection (Flange) Size Inch
4rdquo 4rdquo 4rdquo 6rdquo 6rdquo
Refrigerant
HC-22aR290 Weight kg per system
17 13 x 2 18 22 x 2 18 x 2
Category C C C C C
Dimension
Height mm 1920 1920 1920 1920 1920
Width mm 2500 2500 2500 5000 5000
Length mm 1450 2290 2290 1450 2290
Weight kg 820 960 1120 1640 1820
Notes
1 1 RT = 3024kcalh = 3517kW 1m3 H2O 98kPa
2 Ambient Temperature of 40 Degree Celsius
3 Specification subject to change without prior notice
4 Compressor Oil SUNISO 4GS
5 Chiller Overview subject to change without prior notice due to positioning of chiller
compressor chiller barrel and condenser coil and fins
6 Designed Chilled Water Differential Temperature = 5 degree Celsius (12 oC7 oC)
Compressor Selection Highlights of RC2 Series Screw Compressor WWWHANBELLCOM
High-efficiency Motor 1062672 Available for part winding start or star delta start 1062672 Custom-made for specified voltage and frequency of power 1062672 Two options AampB motor for RC2-100~RC2-930 Four options A1 A2 amp B1 B2 motors for RC2-1020 ~1530
ENER-SAVE SDN BHD Hydrocarbon Air Cooled Screw Chiller
P a g e | 8 Switch to Green Save the Environment Save The EARTH
1062672 Optimal slot design for passage of refrigerant inside motor casing 1062672 Refrigerant flows through outside of motor winding to provide the most efficient motor cooling 1062672 Sliding-fit stator easier for installation and removal
Part-load Effective Economizer Operation 1062672 Enhance cooling capacity as well as energy efficiency 1062672 Sustain optimum medium pressure by vapor injection through specially-designed slots in slide valve and compression casing 1062672 Effective under partial load and full load
Dual Capacity Control 1062672 Flanged-on solenoid coil easy for installation 1062672 3-step 4-step or continuous (33~100 25~100) capacity control system 1062672 Interchangeable by varying control logic without modification of solenoid valves
Durable Bearing Structure
ENER-SAVE SDN BHD Hydrocarbon Air Cooled Screw Chiller
P a g e | 9 Switch to Green Save the Environment Save The EARTH
1062672 High-quality bearings (radial and axial resistance) 1062672 Additional bearing for backward rotation 1062672 ________ _______________________ 1062672 Heavy-duty design 1062672 Longer bearing life compared to traditional 9-bearing design
High-performance Integral Oil Separator 1062672 Detachable demister for cleaning 1062672 Finer size of mesh 1062672 Low pressure drop and oil carry-over 1062672 Three-staged oil separation (RC2-1020~RC2-1530)
Complete Protection amp Accessories 1 Motor temperature sensor (optional) 106267210626721062672106267210626721062672 ldquoBuilt-inrdquo Pt100 or Pt1000 installed in motor winding 106267210626721062672106267210626721062672 Accurately registers motor temperature 106267210626721062672106267210626721062672 Controller can precisely initiate liquid injection to motor accordingly 2 Discharge Temperature Thermistor amp Motor Temperature Thermistor 106267210626721062672106267210626721062672 Totally integrated 106267210626721062672106267210626721062672 Effectively protect compressor in advance when any abnormal alarm occurs
ENER-SAVE SDN BHD Hydrocarbon Air Cooled Screw Chiller
P a g e | 10 Switch to Green Save the Environment Save The EARTH
3 Liquid Injection and Oil Cooler Function (Port amp Stop Pin) 106267210626721062672106267210626721062672 Both available on every Hanbell screw compressor 4 Oil Level Switch 106267210626721062672106267210626721062672 Ensure sufficient lubricant in compressor for better lubrication capacity control cooling and sealing 5 Heater (150W amp 300W) 106267210626721062672106267210626721062672 Increase lubricantrsquos flow-ability when compressor restarts after long-term stop 6 Connection for Pressure Differential Switch 106267210626721062672106267210626721062672 Easily detect clog in oil filter 106267210626721062672106267210626721062672 Assure effective capacity modulation and lubrication
Other Advantages 1062672 Low noise level and minimum vibration 1062672 Fewer quantity of parts in screw compressor than those in reciprocating compressor 1062672 Easy for maintenance and overhaul 1062672 Compact geometry easy for layout
Approval and Certification 1062672 Production by SOP conformed to major quality standards 1062672 Approved by ISO 9001-2000 UL CE(PED) Electronic Apparatus for Explosive Atmospheres (EX China) Lloydrsquos Register (vessel) Symbol of Excellence in Taiwan
ENER-SAVE SDN BHD Hydrocarbon Air Cooled Screw Chiller
P a g e | 11 Switch to Green Save the Environment Save The EARTH
Refrigerant Gas Selection
Hydrocarbon Refrigerant Gas HC refrigerant is designed to replace ozone-depleting global-warming refrigerants HC
Refrigerants are made of natural organic compounds mdash not a blend of pre-existing
chemically based synthetic refrigerants
In fact HC Refrigerant products can actually enhance the life and performance of air-
conditioning and refrigeration system Thanks to an anti-friction additive and their excellent
thermal and chemical stability After more than 12 years of extensive testing itrsquos clear that HC
Refrigerant Products provide more efficient performance than the man-made synthetic
refrigerants they replace
OR ENER-SAVE R600a is designed as direct replace and
retrofit refrigerant gas for Ozone Depleting refrigerant R12 (CFC) or Global Warming
refrigerant gas R134a (HFC)
OR ENER-SAVE R290 is designed as direct replace and
retrofit refrigerant gas for ozone depleting refrigerant gas R22 (HCFC) Global Warming
Refrigerant gas R410a R411a and R407C
A Natural Solution to a Global Dilemma
A growing awareness of the environmental issues facing our planet has motivated many world
leaders and governments to embrace hydrocarbon technology as a long-term solution to
environmental concerns The European Common has adopted a new Standard EN 378 which
provides guidelines for the use and installation of hydrocarbon refrigerants in over 14
European countries In the past five years alone more than 8 million refrigerators and freezers
were manufactured in Germany and Denmark utilizing hydrocarbon technology
Features of HC Refrigerant Benefits
bull Highly efficient
bull Non-ozone depleting
bull Non-corrosive
bull Non-toxic
bull Non-global warming
bull Molecule Lighter
bull Energy Saving
bull Environmental Friendly
bull Enhance Life and Performance of AC System
ENER-SAVE SDN BHD Hydrocarbon Air Cooled Screw Chiller
P a g e | 12 Switch to Green Save the Environment Save The EARTH
In the US ASHRAE has rewritten Standard 15 to provide a framework for greater use of
hydrocarbon refrigerants In the past ten years more than one million gallons of our HC
Refrigerant has been used to cool between 3 million and 5 million motor vehicles throughout
North America During that period there have been no reported accidents or injuries
attributed to the use of our products
Hydrocarbon refrigerant gas helps to stop ozone depleting (ODP= 0) amp reduce the global-
warming crisis (GWP lt 3) fully compliance with UN Montreal Protocol amp Kyoto Protocol
Refrigerants Hydrocarbons (HC)
Chlorofluorocarbons (CFC)
Hydro Chlorofluorocarbons
(HCFC)
Hydro Fluorocarbons
(HFC)
ODP 0 09 004 0
GWP (CO2 = 1 100 year Basic)
3 10600 1800 1600
Ozone Depleting Substances controlled by UN Montreal Protocol
Global Warming Substances gt150 controlled by Kyoto Protocol
Label on Hydrocarbon Chiller
ENER-SAVE SDN BHD Hydrocarbon Air Cooled Screw Chiller
P a g e | 13 Switch to Green Save the Environment Save The EARTH
ENER-SAVE SDN BHD Hydrocarbon Air Cooled Screw Chiller
P a g e | 14 Switch to Green Save the Environment Save The EARTH
Safety Guideline and Minimum Room Ventilation
General Safety Issues All hydrocarbon refrigerants are highly flammable but non-toxic This gives them an ldquoA3rdquo classification according to MS 26782017 Reference should be made to this Standard which details the requirements for the safe use of flammable refrigerants in commercial and industrial applications For more detailed information on these safety requirements refer to the Institute of Refrigeration Safety Code for A3 refrigerants There are many other safety requirements that should be considered in the design and construction of all refrigerating and air conditioning installations regardless of the flammability of the refrigerant used General safety standards and codes of practice referenced in this document should be consulted for this additional information Allowable Refrigerant Charge The limiting factor associated with the use of hydrocarbon refrigerants is the refrigerant charge size the occupancy category and the room size The charge size requirements according to MS 26782017 are detailed in Table below Table Charge size requirements for various location categories
Systems with charge sizes of 015kg or less can be installed in any size of room Systems with charge size of more than 015kg room size should be such that a sudden loss of refrigerant shall not raise the mean concentration in the room above the practical limit (approximately 0008kgm3) Room Ventilation and Refrigerant Detection ldquoRefrigeration machinery rooms should be vented to the outside air by means of natural or mechanical ventilation Free Air Movement (All) ldquoEnsure that free air movement can be achieved around all refrigerant containing parts of the system Openings for outside air should be positioned such that short circuiting does not occurrdquo
ENER-SAVE SDN BHD Hydrocarbon Air Cooled Screw Chiller
P a g e | 15 Switch to Green Save the Environment Save The EARTH
Mechanical Ventilation (All) Where the refrigerant charge of a single refrigerating circuit exceeds the mass in Equation below a machinery room containing HC refrigerants must employ mechanical ventilation capable of providing the minimum ventilation rate The minimum ventilation rate depends upon the type of electrical protection within the machinery room Where the installation is protected according to the mechanical ventilation rate should be equivalent to at least 10-room volume changes per hour
Eg Minimum ventilation fan flow rate for extraction Vmin
Vmin = 0004 x m LFL
Where
Vmin = minimum volume flow rate of extract fan m3 s
m = largest mass of refrigerant within any single circuit of any refrigerating system kg
(lb)
LFL = Lower Flammability Limit of refrigerant kgm3
Vmin = = 0004 x 22kg 0038kgm3 = 232m3s
Suggested Ventilation Fan should be more than 232 m3s flow rate for
Ener-Save Hydrocarbon Air Cooled Screw Chiller
ldquoIn all cases a refrigerant detector should be linked into the initiation of mechanical ventilation The location of the sampling point should be at low level (where heavier than air refrigerants are used) The ventilation must either be running continuously or use a refrigerant detector starting device set at 25 of the Lower Flammability Level (LFL) Lower ventilation rates can be initiated upon detection of lower refrigerant concentrationsrdquo ldquoThe inlet of the extract ventilation should be located at floor level and ducted to a safe location Discharge points for vented air or openings for fresh air shall be positioned so as to avoid discharged air being drawn back in the building such as ventilation system inlets opening windows and doors and sources of ignition The rejection of flammable materials shall not present a hazard externally such as entering a building or being in contact with sources of ignition The mechanical ventilation system should be designed to maintain the room at a lower pressure than surrounding areas so that there will be no escape of leaked refrigerants to other areas Fans for mechanical ventilation should use motors of non-sparking type and the fan blades and cowling should be designed so as to avoid sparking as a result of metal-to-metal contact Mechanical ventilation equipment should be installed with independent emergency control located outside of and near to the machinery roomrdquo
ENER-SAVE SDN BHD Hydrocarbon Air Cooled Screw Chiller
P a g e | 16 Switch to Green Save the Environment Save The EARTH
Authorized and Qualified Installer
Product Manufacturer and HC Trainer
ENER-SAVE SDN BHD
(661220-A) Tel +607-557 2669 Fax +607-558 2669
Todays Savings Tomorrows Sustainable Living Switch To Green Save The Environment Save The Earth We Specialise in Natural Green Refrigerant - Hydrocarbon
ENER-SAVE SDN BHD Hydrocarbon Air Cooled Screw Chiller
P a g e | 2 Switch to Green Save the Environment Save The EARTH
Model Description
System Designed comply to Malaysia Standard MS 26782017
ENER-SAVE SDN BHD Hydrocarbon Air Cooled Screw Chiller
P a g e | 3 Switch to Green Save the Environment Save The EARTH
AWARD WINING PRODUCT
ENER-SAVE SDN BHD Hydrocarbon Air Cooled Screw Chiller
P a g e | 4 Switch to Green Save the Environment Save The EARTH
Superior Feature
ESWC Hydrocarbon series designed using Semi- Hermetic Screw compressor System designs
consist of several systems and every system operated by single compressor It further reduces
the refrigerant gas charge amount and increases the feasibility of easy maintenance and
servicing
Screw compressor ndashdeploy to serve the main compression drive to ESWC Hydrocarbon Chiller
low noise level high EER and high reliability and tested in many applications The electrical
termination point is sealed by fire rating insulation Series HC1 which is utilizing the HC-12a as
refrigerant further reduce extremely high-pressure hazard if compares to system using HC-
22a and HFC R410a
Chiller capacity control design is based on number of compressor and the control step from
thermostat controller Other safety gadget to protect the chiller system is flow rate sensor
pressure switch anti-freeze sensor and HC leak detector
HC leak detector can be linked to exhaust fan or other control circuit for refrigerant gas
evacuation and indication
Picture 4 ndash Isobutene Propane refrigerant gas sensor
Control Panel
ENER-SAVE SDN BHD Hydrocarbon Air Cooled Screw Chiller
P a g e | 5 Switch to Green Save the Environment Save The EARTH
bull Interactive screen
bull User friendly interface
bull Simple operation
bull Graph and digital numerical display for chilled water temperature
bull Display for Cut-OFF and Cut-IN temperature set-points
bull Temperature in Centigrade unit
bull System run time display in Days Hours and Minutes
bull Indicator lights to show the number of running compressors compressorrsquos status running status system error and compressorrsquos maintenance indicator
bull Active Alarm and History Alarm display to show the current and previous error
bull Parameters is set to factory default if the PLC is out of battery for 10 days
bull Easy set point setting for Cut-OFF Cut-IN temperatures and Cut-IN Timers
bull Password features to provide safety for the system parameters from being adjusted by unauthorized personal
bull PLC IO indicators to show the current PLC IO status
Remarks Ener-Save may change the controller to Carel Controller without prior notice
ENER-SAVE SDN BHD Hydrocarbon Air Cooled Screw Chiller
P a g e | 6 Switch to Green Save the Environment Save The EARTH
Technical Specification
Model (77RT to 172RT)
ESAC77C50SHCx
ESAC86C50CHCx
ESAC86C50SHCx
ESAC155C50SHCx
ESAC172C50SHCx
General
Capacity RT +-5 776 867 865 1552 1729
BTUh 931200 1040400 1038000 1862400 2074800
Rated Power kW 1020 1148 1091 2040 2182
Operating Power kW 878 980 933 1756 1867
No Of refrigerant circuits
1
2 1 2 2
Number of compressor
1 2 1 2 2
Capacity Steps of Compressor
100 ndash 75-50 ndash 0
100 ndash 75-50 ndash 0
100 ndash 75-50 ndash 0
100 ndash 75-50 ndash 25 ndash
0
100 ndash 75-50 ndash 25 ndash
0
Compressor
Type Semi-Hermetic
Screw
Semi-Hermetic
Screw
Semi-Hermetic
Screw
Semi-Hermetic
Screw
Semi-Hermetic
Screw
Compressor Model RC2-310B RC2-180B RC2-340B RC2-310B RC2-340B
Connection Star-Delta Star-Delta Star-Delta Star-Delta Star-Delta
Voltage Range 342 ndash 462Vac
Power Supply 380 415V 3ph 50Hz
Air Cooled Condenser V Coil 16FPI
No Coil 4 4 4 8 8
Face Area (m2) 1072 1208 1208 214 242
No of Fan Motor x Power (kW)
6 x 32 6 x 32 6 x 32 12 x 32 12 x 332
Air Flow (m3h) 136000 146200 146200 272000 292400
Cooling Shell amp Tube
ENER-SAVE SDN BHD Hydrocarbon Air Cooled Screw Chiller
P a g e | 7 Switch to Green Save the Environment Save The EARTH
Recommended Full Load Differential Temp Degree Celsius
45 ndash 6 45 ndash 6 45 ndash 6 45 ndash 6 45 ndash 6
Chilled Water LCWT Degree Celsius
70
Water Flow Rate usgpm
2061 2303 2298 4122 4592
Number of Cooling shell and tube
1 1 1 1 1
Water Connection (Flange) Size Inch
4rdquo 4rdquo 4rdquo 6rdquo 6rdquo
Refrigerant
HC-22aR290 Weight kg per system
17 13 x 2 18 22 x 2 18 x 2
Category C C C C C
Dimension
Height mm 1920 1920 1920 1920 1920
Width mm 2500 2500 2500 5000 5000
Length mm 1450 2290 2290 1450 2290
Weight kg 820 960 1120 1640 1820
Notes
1 1 RT = 3024kcalh = 3517kW 1m3 H2O 98kPa
2 Ambient Temperature of 40 Degree Celsius
3 Specification subject to change without prior notice
4 Compressor Oil SUNISO 4GS
5 Chiller Overview subject to change without prior notice due to positioning of chiller
compressor chiller barrel and condenser coil and fins
6 Designed Chilled Water Differential Temperature = 5 degree Celsius (12 oC7 oC)
Compressor Selection Highlights of RC2 Series Screw Compressor WWWHANBELLCOM
High-efficiency Motor 1062672 Available for part winding start or star delta start 1062672 Custom-made for specified voltage and frequency of power 1062672 Two options AampB motor for RC2-100~RC2-930 Four options A1 A2 amp B1 B2 motors for RC2-1020 ~1530
ENER-SAVE SDN BHD Hydrocarbon Air Cooled Screw Chiller
P a g e | 8 Switch to Green Save the Environment Save The EARTH
1062672 Optimal slot design for passage of refrigerant inside motor casing 1062672 Refrigerant flows through outside of motor winding to provide the most efficient motor cooling 1062672 Sliding-fit stator easier for installation and removal
Part-load Effective Economizer Operation 1062672 Enhance cooling capacity as well as energy efficiency 1062672 Sustain optimum medium pressure by vapor injection through specially-designed slots in slide valve and compression casing 1062672 Effective under partial load and full load
Dual Capacity Control 1062672 Flanged-on solenoid coil easy for installation 1062672 3-step 4-step or continuous (33~100 25~100) capacity control system 1062672 Interchangeable by varying control logic without modification of solenoid valves
Durable Bearing Structure
ENER-SAVE SDN BHD Hydrocarbon Air Cooled Screw Chiller
P a g e | 9 Switch to Green Save the Environment Save The EARTH
1062672 High-quality bearings (radial and axial resistance) 1062672 Additional bearing for backward rotation 1062672 ________ _______________________ 1062672 Heavy-duty design 1062672 Longer bearing life compared to traditional 9-bearing design
High-performance Integral Oil Separator 1062672 Detachable demister for cleaning 1062672 Finer size of mesh 1062672 Low pressure drop and oil carry-over 1062672 Three-staged oil separation (RC2-1020~RC2-1530)
Complete Protection amp Accessories 1 Motor temperature sensor (optional) 106267210626721062672106267210626721062672 ldquoBuilt-inrdquo Pt100 or Pt1000 installed in motor winding 106267210626721062672106267210626721062672 Accurately registers motor temperature 106267210626721062672106267210626721062672 Controller can precisely initiate liquid injection to motor accordingly 2 Discharge Temperature Thermistor amp Motor Temperature Thermistor 106267210626721062672106267210626721062672 Totally integrated 106267210626721062672106267210626721062672 Effectively protect compressor in advance when any abnormal alarm occurs
ENER-SAVE SDN BHD Hydrocarbon Air Cooled Screw Chiller
P a g e | 10 Switch to Green Save the Environment Save The EARTH
3 Liquid Injection and Oil Cooler Function (Port amp Stop Pin) 106267210626721062672106267210626721062672 Both available on every Hanbell screw compressor 4 Oil Level Switch 106267210626721062672106267210626721062672 Ensure sufficient lubricant in compressor for better lubrication capacity control cooling and sealing 5 Heater (150W amp 300W) 106267210626721062672106267210626721062672 Increase lubricantrsquos flow-ability when compressor restarts after long-term stop 6 Connection for Pressure Differential Switch 106267210626721062672106267210626721062672 Easily detect clog in oil filter 106267210626721062672106267210626721062672 Assure effective capacity modulation and lubrication
Other Advantages 1062672 Low noise level and minimum vibration 1062672 Fewer quantity of parts in screw compressor than those in reciprocating compressor 1062672 Easy for maintenance and overhaul 1062672 Compact geometry easy for layout
Approval and Certification 1062672 Production by SOP conformed to major quality standards 1062672 Approved by ISO 9001-2000 UL CE(PED) Electronic Apparatus for Explosive Atmospheres (EX China) Lloydrsquos Register (vessel) Symbol of Excellence in Taiwan
ENER-SAVE SDN BHD Hydrocarbon Air Cooled Screw Chiller
P a g e | 11 Switch to Green Save the Environment Save The EARTH
Refrigerant Gas Selection
Hydrocarbon Refrigerant Gas HC refrigerant is designed to replace ozone-depleting global-warming refrigerants HC
Refrigerants are made of natural organic compounds mdash not a blend of pre-existing
chemically based synthetic refrigerants
In fact HC Refrigerant products can actually enhance the life and performance of air-
conditioning and refrigeration system Thanks to an anti-friction additive and their excellent
thermal and chemical stability After more than 12 years of extensive testing itrsquos clear that HC
Refrigerant Products provide more efficient performance than the man-made synthetic
refrigerants they replace
OR ENER-SAVE R600a is designed as direct replace and
retrofit refrigerant gas for Ozone Depleting refrigerant R12 (CFC) or Global Warming
refrigerant gas R134a (HFC)
OR ENER-SAVE R290 is designed as direct replace and
retrofit refrigerant gas for ozone depleting refrigerant gas R22 (HCFC) Global Warming
Refrigerant gas R410a R411a and R407C
A Natural Solution to a Global Dilemma
A growing awareness of the environmental issues facing our planet has motivated many world
leaders and governments to embrace hydrocarbon technology as a long-term solution to
environmental concerns The European Common has adopted a new Standard EN 378 which
provides guidelines for the use and installation of hydrocarbon refrigerants in over 14
European countries In the past five years alone more than 8 million refrigerators and freezers
were manufactured in Germany and Denmark utilizing hydrocarbon technology
Features of HC Refrigerant Benefits
bull Highly efficient
bull Non-ozone depleting
bull Non-corrosive
bull Non-toxic
bull Non-global warming
bull Molecule Lighter
bull Energy Saving
bull Environmental Friendly
bull Enhance Life and Performance of AC System
ENER-SAVE SDN BHD Hydrocarbon Air Cooled Screw Chiller
P a g e | 12 Switch to Green Save the Environment Save The EARTH
In the US ASHRAE has rewritten Standard 15 to provide a framework for greater use of
hydrocarbon refrigerants In the past ten years more than one million gallons of our HC
Refrigerant has been used to cool between 3 million and 5 million motor vehicles throughout
North America During that period there have been no reported accidents or injuries
attributed to the use of our products
Hydrocarbon refrigerant gas helps to stop ozone depleting (ODP= 0) amp reduce the global-
warming crisis (GWP lt 3) fully compliance with UN Montreal Protocol amp Kyoto Protocol
Refrigerants Hydrocarbons (HC)
Chlorofluorocarbons (CFC)
Hydro Chlorofluorocarbons
(HCFC)
Hydro Fluorocarbons
(HFC)
ODP 0 09 004 0
GWP (CO2 = 1 100 year Basic)
3 10600 1800 1600
Ozone Depleting Substances controlled by UN Montreal Protocol
Global Warming Substances gt150 controlled by Kyoto Protocol
Label on Hydrocarbon Chiller
ENER-SAVE SDN BHD Hydrocarbon Air Cooled Screw Chiller
P a g e | 13 Switch to Green Save the Environment Save The EARTH
ENER-SAVE SDN BHD Hydrocarbon Air Cooled Screw Chiller
P a g e | 14 Switch to Green Save the Environment Save The EARTH
Safety Guideline and Minimum Room Ventilation
General Safety Issues All hydrocarbon refrigerants are highly flammable but non-toxic This gives them an ldquoA3rdquo classification according to MS 26782017 Reference should be made to this Standard which details the requirements for the safe use of flammable refrigerants in commercial and industrial applications For more detailed information on these safety requirements refer to the Institute of Refrigeration Safety Code for A3 refrigerants There are many other safety requirements that should be considered in the design and construction of all refrigerating and air conditioning installations regardless of the flammability of the refrigerant used General safety standards and codes of practice referenced in this document should be consulted for this additional information Allowable Refrigerant Charge The limiting factor associated with the use of hydrocarbon refrigerants is the refrigerant charge size the occupancy category and the room size The charge size requirements according to MS 26782017 are detailed in Table below Table Charge size requirements for various location categories
Systems with charge sizes of 015kg or less can be installed in any size of room Systems with charge size of more than 015kg room size should be such that a sudden loss of refrigerant shall not raise the mean concentration in the room above the practical limit (approximately 0008kgm3) Room Ventilation and Refrigerant Detection ldquoRefrigeration machinery rooms should be vented to the outside air by means of natural or mechanical ventilation Free Air Movement (All) ldquoEnsure that free air movement can be achieved around all refrigerant containing parts of the system Openings for outside air should be positioned such that short circuiting does not occurrdquo
ENER-SAVE SDN BHD Hydrocarbon Air Cooled Screw Chiller
P a g e | 15 Switch to Green Save the Environment Save The EARTH
Mechanical Ventilation (All) Where the refrigerant charge of a single refrigerating circuit exceeds the mass in Equation below a machinery room containing HC refrigerants must employ mechanical ventilation capable of providing the minimum ventilation rate The minimum ventilation rate depends upon the type of electrical protection within the machinery room Where the installation is protected according to the mechanical ventilation rate should be equivalent to at least 10-room volume changes per hour
Eg Minimum ventilation fan flow rate for extraction Vmin
Vmin = 0004 x m LFL
Where
Vmin = minimum volume flow rate of extract fan m3 s
m = largest mass of refrigerant within any single circuit of any refrigerating system kg
(lb)
LFL = Lower Flammability Limit of refrigerant kgm3
Vmin = = 0004 x 22kg 0038kgm3 = 232m3s
Suggested Ventilation Fan should be more than 232 m3s flow rate for
Ener-Save Hydrocarbon Air Cooled Screw Chiller
ldquoIn all cases a refrigerant detector should be linked into the initiation of mechanical ventilation The location of the sampling point should be at low level (where heavier than air refrigerants are used) The ventilation must either be running continuously or use a refrigerant detector starting device set at 25 of the Lower Flammability Level (LFL) Lower ventilation rates can be initiated upon detection of lower refrigerant concentrationsrdquo ldquoThe inlet of the extract ventilation should be located at floor level and ducted to a safe location Discharge points for vented air or openings for fresh air shall be positioned so as to avoid discharged air being drawn back in the building such as ventilation system inlets opening windows and doors and sources of ignition The rejection of flammable materials shall not present a hazard externally such as entering a building or being in contact with sources of ignition The mechanical ventilation system should be designed to maintain the room at a lower pressure than surrounding areas so that there will be no escape of leaked refrigerants to other areas Fans for mechanical ventilation should use motors of non-sparking type and the fan blades and cowling should be designed so as to avoid sparking as a result of metal-to-metal contact Mechanical ventilation equipment should be installed with independent emergency control located outside of and near to the machinery roomrdquo
ENER-SAVE SDN BHD Hydrocarbon Air Cooled Screw Chiller
P a g e | 16 Switch to Green Save the Environment Save The EARTH
Authorized and Qualified Installer
Product Manufacturer and HC Trainer
ENER-SAVE SDN BHD
(661220-A) Tel +607-557 2669 Fax +607-558 2669
Todays Savings Tomorrows Sustainable Living Switch To Green Save The Environment Save The Earth We Specialise in Natural Green Refrigerant - Hydrocarbon
ENER-SAVE SDN BHD Hydrocarbon Air Cooled Screw Chiller
P a g e | 3 Switch to Green Save the Environment Save The EARTH
AWARD WINING PRODUCT
ENER-SAVE SDN BHD Hydrocarbon Air Cooled Screw Chiller
P a g e | 4 Switch to Green Save the Environment Save The EARTH
Superior Feature
ESWC Hydrocarbon series designed using Semi- Hermetic Screw compressor System designs
consist of several systems and every system operated by single compressor It further reduces
the refrigerant gas charge amount and increases the feasibility of easy maintenance and
servicing
Screw compressor ndashdeploy to serve the main compression drive to ESWC Hydrocarbon Chiller
low noise level high EER and high reliability and tested in many applications The electrical
termination point is sealed by fire rating insulation Series HC1 which is utilizing the HC-12a as
refrigerant further reduce extremely high-pressure hazard if compares to system using HC-
22a and HFC R410a
Chiller capacity control design is based on number of compressor and the control step from
thermostat controller Other safety gadget to protect the chiller system is flow rate sensor
pressure switch anti-freeze sensor and HC leak detector
HC leak detector can be linked to exhaust fan or other control circuit for refrigerant gas
evacuation and indication
Picture 4 ndash Isobutene Propane refrigerant gas sensor
Control Panel
ENER-SAVE SDN BHD Hydrocarbon Air Cooled Screw Chiller
P a g e | 5 Switch to Green Save the Environment Save The EARTH
bull Interactive screen
bull User friendly interface
bull Simple operation
bull Graph and digital numerical display for chilled water temperature
bull Display for Cut-OFF and Cut-IN temperature set-points
bull Temperature in Centigrade unit
bull System run time display in Days Hours and Minutes
bull Indicator lights to show the number of running compressors compressorrsquos status running status system error and compressorrsquos maintenance indicator
bull Active Alarm and History Alarm display to show the current and previous error
bull Parameters is set to factory default if the PLC is out of battery for 10 days
bull Easy set point setting for Cut-OFF Cut-IN temperatures and Cut-IN Timers
bull Password features to provide safety for the system parameters from being adjusted by unauthorized personal
bull PLC IO indicators to show the current PLC IO status
Remarks Ener-Save may change the controller to Carel Controller without prior notice
ENER-SAVE SDN BHD Hydrocarbon Air Cooled Screw Chiller
P a g e | 6 Switch to Green Save the Environment Save The EARTH
Technical Specification
Model (77RT to 172RT)
ESAC77C50SHCx
ESAC86C50CHCx
ESAC86C50SHCx
ESAC155C50SHCx
ESAC172C50SHCx
General
Capacity RT +-5 776 867 865 1552 1729
BTUh 931200 1040400 1038000 1862400 2074800
Rated Power kW 1020 1148 1091 2040 2182
Operating Power kW 878 980 933 1756 1867
No Of refrigerant circuits
1
2 1 2 2
Number of compressor
1 2 1 2 2
Capacity Steps of Compressor
100 ndash 75-50 ndash 0
100 ndash 75-50 ndash 0
100 ndash 75-50 ndash 0
100 ndash 75-50 ndash 25 ndash
0
100 ndash 75-50 ndash 25 ndash
0
Compressor
Type Semi-Hermetic
Screw
Semi-Hermetic
Screw
Semi-Hermetic
Screw
Semi-Hermetic
Screw
Semi-Hermetic
Screw
Compressor Model RC2-310B RC2-180B RC2-340B RC2-310B RC2-340B
Connection Star-Delta Star-Delta Star-Delta Star-Delta Star-Delta
Voltage Range 342 ndash 462Vac
Power Supply 380 415V 3ph 50Hz
Air Cooled Condenser V Coil 16FPI
No Coil 4 4 4 8 8
Face Area (m2) 1072 1208 1208 214 242
No of Fan Motor x Power (kW)
6 x 32 6 x 32 6 x 32 12 x 32 12 x 332
Air Flow (m3h) 136000 146200 146200 272000 292400
Cooling Shell amp Tube
ENER-SAVE SDN BHD Hydrocarbon Air Cooled Screw Chiller
P a g e | 7 Switch to Green Save the Environment Save The EARTH
Recommended Full Load Differential Temp Degree Celsius
45 ndash 6 45 ndash 6 45 ndash 6 45 ndash 6 45 ndash 6
Chilled Water LCWT Degree Celsius
70
Water Flow Rate usgpm
2061 2303 2298 4122 4592
Number of Cooling shell and tube
1 1 1 1 1
Water Connection (Flange) Size Inch
4rdquo 4rdquo 4rdquo 6rdquo 6rdquo
Refrigerant
HC-22aR290 Weight kg per system
17 13 x 2 18 22 x 2 18 x 2
Category C C C C C
Dimension
Height mm 1920 1920 1920 1920 1920
Width mm 2500 2500 2500 5000 5000
Length mm 1450 2290 2290 1450 2290
Weight kg 820 960 1120 1640 1820
Notes
1 1 RT = 3024kcalh = 3517kW 1m3 H2O 98kPa
2 Ambient Temperature of 40 Degree Celsius
3 Specification subject to change without prior notice
4 Compressor Oil SUNISO 4GS
5 Chiller Overview subject to change without prior notice due to positioning of chiller
compressor chiller barrel and condenser coil and fins
6 Designed Chilled Water Differential Temperature = 5 degree Celsius (12 oC7 oC)
Compressor Selection Highlights of RC2 Series Screw Compressor WWWHANBELLCOM
High-efficiency Motor 1062672 Available for part winding start or star delta start 1062672 Custom-made for specified voltage and frequency of power 1062672 Two options AampB motor for RC2-100~RC2-930 Four options A1 A2 amp B1 B2 motors for RC2-1020 ~1530
ENER-SAVE SDN BHD Hydrocarbon Air Cooled Screw Chiller
P a g e | 8 Switch to Green Save the Environment Save The EARTH
1062672 Optimal slot design for passage of refrigerant inside motor casing 1062672 Refrigerant flows through outside of motor winding to provide the most efficient motor cooling 1062672 Sliding-fit stator easier for installation and removal
Part-load Effective Economizer Operation 1062672 Enhance cooling capacity as well as energy efficiency 1062672 Sustain optimum medium pressure by vapor injection through specially-designed slots in slide valve and compression casing 1062672 Effective under partial load and full load
Dual Capacity Control 1062672 Flanged-on solenoid coil easy for installation 1062672 3-step 4-step or continuous (33~100 25~100) capacity control system 1062672 Interchangeable by varying control logic without modification of solenoid valves
Durable Bearing Structure
ENER-SAVE SDN BHD Hydrocarbon Air Cooled Screw Chiller
P a g e | 9 Switch to Green Save the Environment Save The EARTH
1062672 High-quality bearings (radial and axial resistance) 1062672 Additional bearing for backward rotation 1062672 ________ _______________________ 1062672 Heavy-duty design 1062672 Longer bearing life compared to traditional 9-bearing design
High-performance Integral Oil Separator 1062672 Detachable demister for cleaning 1062672 Finer size of mesh 1062672 Low pressure drop and oil carry-over 1062672 Three-staged oil separation (RC2-1020~RC2-1530)
Complete Protection amp Accessories 1 Motor temperature sensor (optional) 106267210626721062672106267210626721062672 ldquoBuilt-inrdquo Pt100 or Pt1000 installed in motor winding 106267210626721062672106267210626721062672 Accurately registers motor temperature 106267210626721062672106267210626721062672 Controller can precisely initiate liquid injection to motor accordingly 2 Discharge Temperature Thermistor amp Motor Temperature Thermistor 106267210626721062672106267210626721062672 Totally integrated 106267210626721062672106267210626721062672 Effectively protect compressor in advance when any abnormal alarm occurs
ENER-SAVE SDN BHD Hydrocarbon Air Cooled Screw Chiller
P a g e | 10 Switch to Green Save the Environment Save The EARTH
3 Liquid Injection and Oil Cooler Function (Port amp Stop Pin) 106267210626721062672106267210626721062672 Both available on every Hanbell screw compressor 4 Oil Level Switch 106267210626721062672106267210626721062672 Ensure sufficient lubricant in compressor for better lubrication capacity control cooling and sealing 5 Heater (150W amp 300W) 106267210626721062672106267210626721062672 Increase lubricantrsquos flow-ability when compressor restarts after long-term stop 6 Connection for Pressure Differential Switch 106267210626721062672106267210626721062672 Easily detect clog in oil filter 106267210626721062672106267210626721062672 Assure effective capacity modulation and lubrication
Other Advantages 1062672 Low noise level and minimum vibration 1062672 Fewer quantity of parts in screw compressor than those in reciprocating compressor 1062672 Easy for maintenance and overhaul 1062672 Compact geometry easy for layout
Approval and Certification 1062672 Production by SOP conformed to major quality standards 1062672 Approved by ISO 9001-2000 UL CE(PED) Electronic Apparatus for Explosive Atmospheres (EX China) Lloydrsquos Register (vessel) Symbol of Excellence in Taiwan
ENER-SAVE SDN BHD Hydrocarbon Air Cooled Screw Chiller
P a g e | 11 Switch to Green Save the Environment Save The EARTH
Refrigerant Gas Selection
Hydrocarbon Refrigerant Gas HC refrigerant is designed to replace ozone-depleting global-warming refrigerants HC
Refrigerants are made of natural organic compounds mdash not a blend of pre-existing
chemically based synthetic refrigerants
In fact HC Refrigerant products can actually enhance the life and performance of air-
conditioning and refrigeration system Thanks to an anti-friction additive and their excellent
thermal and chemical stability After more than 12 years of extensive testing itrsquos clear that HC
Refrigerant Products provide more efficient performance than the man-made synthetic
refrigerants they replace
OR ENER-SAVE R600a is designed as direct replace and
retrofit refrigerant gas for Ozone Depleting refrigerant R12 (CFC) or Global Warming
refrigerant gas R134a (HFC)
OR ENER-SAVE R290 is designed as direct replace and
retrofit refrigerant gas for ozone depleting refrigerant gas R22 (HCFC) Global Warming
Refrigerant gas R410a R411a and R407C
A Natural Solution to a Global Dilemma
A growing awareness of the environmental issues facing our planet has motivated many world
leaders and governments to embrace hydrocarbon technology as a long-term solution to
environmental concerns The European Common has adopted a new Standard EN 378 which
provides guidelines for the use and installation of hydrocarbon refrigerants in over 14
European countries In the past five years alone more than 8 million refrigerators and freezers
were manufactured in Germany and Denmark utilizing hydrocarbon technology
Features of HC Refrigerant Benefits
bull Highly efficient
bull Non-ozone depleting
bull Non-corrosive
bull Non-toxic
bull Non-global warming
bull Molecule Lighter
bull Energy Saving
bull Environmental Friendly
bull Enhance Life and Performance of AC System
ENER-SAVE SDN BHD Hydrocarbon Air Cooled Screw Chiller
P a g e | 12 Switch to Green Save the Environment Save The EARTH
In the US ASHRAE has rewritten Standard 15 to provide a framework for greater use of
hydrocarbon refrigerants In the past ten years more than one million gallons of our HC
Refrigerant has been used to cool between 3 million and 5 million motor vehicles throughout
North America During that period there have been no reported accidents or injuries
attributed to the use of our products
Hydrocarbon refrigerant gas helps to stop ozone depleting (ODP= 0) amp reduce the global-
warming crisis (GWP lt 3) fully compliance with UN Montreal Protocol amp Kyoto Protocol
Refrigerants Hydrocarbons (HC)
Chlorofluorocarbons (CFC)
Hydro Chlorofluorocarbons
(HCFC)
Hydro Fluorocarbons
(HFC)
ODP 0 09 004 0
GWP (CO2 = 1 100 year Basic)
3 10600 1800 1600
Ozone Depleting Substances controlled by UN Montreal Protocol
Global Warming Substances gt150 controlled by Kyoto Protocol
Label on Hydrocarbon Chiller
ENER-SAVE SDN BHD Hydrocarbon Air Cooled Screw Chiller
P a g e | 13 Switch to Green Save the Environment Save The EARTH
ENER-SAVE SDN BHD Hydrocarbon Air Cooled Screw Chiller
P a g e | 14 Switch to Green Save the Environment Save The EARTH
Safety Guideline and Minimum Room Ventilation
General Safety Issues All hydrocarbon refrigerants are highly flammable but non-toxic This gives them an ldquoA3rdquo classification according to MS 26782017 Reference should be made to this Standard which details the requirements for the safe use of flammable refrigerants in commercial and industrial applications For more detailed information on these safety requirements refer to the Institute of Refrigeration Safety Code for A3 refrigerants There are many other safety requirements that should be considered in the design and construction of all refrigerating and air conditioning installations regardless of the flammability of the refrigerant used General safety standards and codes of practice referenced in this document should be consulted for this additional information Allowable Refrigerant Charge The limiting factor associated with the use of hydrocarbon refrigerants is the refrigerant charge size the occupancy category and the room size The charge size requirements according to MS 26782017 are detailed in Table below Table Charge size requirements for various location categories
Systems with charge sizes of 015kg or less can be installed in any size of room Systems with charge size of more than 015kg room size should be such that a sudden loss of refrigerant shall not raise the mean concentration in the room above the practical limit (approximately 0008kgm3) Room Ventilation and Refrigerant Detection ldquoRefrigeration machinery rooms should be vented to the outside air by means of natural or mechanical ventilation Free Air Movement (All) ldquoEnsure that free air movement can be achieved around all refrigerant containing parts of the system Openings for outside air should be positioned such that short circuiting does not occurrdquo
ENER-SAVE SDN BHD Hydrocarbon Air Cooled Screw Chiller
P a g e | 15 Switch to Green Save the Environment Save The EARTH
Mechanical Ventilation (All) Where the refrigerant charge of a single refrigerating circuit exceeds the mass in Equation below a machinery room containing HC refrigerants must employ mechanical ventilation capable of providing the minimum ventilation rate The minimum ventilation rate depends upon the type of electrical protection within the machinery room Where the installation is protected according to the mechanical ventilation rate should be equivalent to at least 10-room volume changes per hour
Eg Minimum ventilation fan flow rate for extraction Vmin
Vmin = 0004 x m LFL
Where
Vmin = minimum volume flow rate of extract fan m3 s
m = largest mass of refrigerant within any single circuit of any refrigerating system kg
(lb)
LFL = Lower Flammability Limit of refrigerant kgm3
Vmin = = 0004 x 22kg 0038kgm3 = 232m3s
Suggested Ventilation Fan should be more than 232 m3s flow rate for
Ener-Save Hydrocarbon Air Cooled Screw Chiller
ldquoIn all cases a refrigerant detector should be linked into the initiation of mechanical ventilation The location of the sampling point should be at low level (where heavier than air refrigerants are used) The ventilation must either be running continuously or use a refrigerant detector starting device set at 25 of the Lower Flammability Level (LFL) Lower ventilation rates can be initiated upon detection of lower refrigerant concentrationsrdquo ldquoThe inlet of the extract ventilation should be located at floor level and ducted to a safe location Discharge points for vented air or openings for fresh air shall be positioned so as to avoid discharged air being drawn back in the building such as ventilation system inlets opening windows and doors and sources of ignition The rejection of flammable materials shall not present a hazard externally such as entering a building or being in contact with sources of ignition The mechanical ventilation system should be designed to maintain the room at a lower pressure than surrounding areas so that there will be no escape of leaked refrigerants to other areas Fans for mechanical ventilation should use motors of non-sparking type and the fan blades and cowling should be designed so as to avoid sparking as a result of metal-to-metal contact Mechanical ventilation equipment should be installed with independent emergency control located outside of and near to the machinery roomrdquo
ENER-SAVE SDN BHD Hydrocarbon Air Cooled Screw Chiller
P a g e | 16 Switch to Green Save the Environment Save The EARTH
Authorized and Qualified Installer
Product Manufacturer and HC Trainer
ENER-SAVE SDN BHD
(661220-A) Tel +607-557 2669 Fax +607-558 2669
Todays Savings Tomorrows Sustainable Living Switch To Green Save The Environment Save The Earth We Specialise in Natural Green Refrigerant - Hydrocarbon
ENER-SAVE SDN BHD Hydrocarbon Air Cooled Screw Chiller
P a g e | 4 Switch to Green Save the Environment Save The EARTH
Superior Feature
ESWC Hydrocarbon series designed using Semi- Hermetic Screw compressor System designs
consist of several systems and every system operated by single compressor It further reduces
the refrigerant gas charge amount and increases the feasibility of easy maintenance and
servicing
Screw compressor ndashdeploy to serve the main compression drive to ESWC Hydrocarbon Chiller
low noise level high EER and high reliability and tested in many applications The electrical
termination point is sealed by fire rating insulation Series HC1 which is utilizing the HC-12a as
refrigerant further reduce extremely high-pressure hazard if compares to system using HC-
22a and HFC R410a
Chiller capacity control design is based on number of compressor and the control step from
thermostat controller Other safety gadget to protect the chiller system is flow rate sensor
pressure switch anti-freeze sensor and HC leak detector
HC leak detector can be linked to exhaust fan or other control circuit for refrigerant gas
evacuation and indication
Picture 4 ndash Isobutene Propane refrigerant gas sensor
Control Panel
ENER-SAVE SDN BHD Hydrocarbon Air Cooled Screw Chiller
P a g e | 5 Switch to Green Save the Environment Save The EARTH
bull Interactive screen
bull User friendly interface
bull Simple operation
bull Graph and digital numerical display for chilled water temperature
bull Display for Cut-OFF and Cut-IN temperature set-points
bull Temperature in Centigrade unit
bull System run time display in Days Hours and Minutes
bull Indicator lights to show the number of running compressors compressorrsquos status running status system error and compressorrsquos maintenance indicator
bull Active Alarm and History Alarm display to show the current and previous error
bull Parameters is set to factory default if the PLC is out of battery for 10 days
bull Easy set point setting for Cut-OFF Cut-IN temperatures and Cut-IN Timers
bull Password features to provide safety for the system parameters from being adjusted by unauthorized personal
bull PLC IO indicators to show the current PLC IO status
Remarks Ener-Save may change the controller to Carel Controller without prior notice
ENER-SAVE SDN BHD Hydrocarbon Air Cooled Screw Chiller
P a g e | 6 Switch to Green Save the Environment Save The EARTH
Technical Specification
Model (77RT to 172RT)
ESAC77C50SHCx
ESAC86C50CHCx
ESAC86C50SHCx
ESAC155C50SHCx
ESAC172C50SHCx
General
Capacity RT +-5 776 867 865 1552 1729
BTUh 931200 1040400 1038000 1862400 2074800
Rated Power kW 1020 1148 1091 2040 2182
Operating Power kW 878 980 933 1756 1867
No Of refrigerant circuits
1
2 1 2 2
Number of compressor
1 2 1 2 2
Capacity Steps of Compressor
100 ndash 75-50 ndash 0
100 ndash 75-50 ndash 0
100 ndash 75-50 ndash 0
100 ndash 75-50 ndash 25 ndash
0
100 ndash 75-50 ndash 25 ndash
0
Compressor
Type Semi-Hermetic
Screw
Semi-Hermetic
Screw
Semi-Hermetic
Screw
Semi-Hermetic
Screw
Semi-Hermetic
Screw
Compressor Model RC2-310B RC2-180B RC2-340B RC2-310B RC2-340B
Connection Star-Delta Star-Delta Star-Delta Star-Delta Star-Delta
Voltage Range 342 ndash 462Vac
Power Supply 380 415V 3ph 50Hz
Air Cooled Condenser V Coil 16FPI
No Coil 4 4 4 8 8
Face Area (m2) 1072 1208 1208 214 242
No of Fan Motor x Power (kW)
6 x 32 6 x 32 6 x 32 12 x 32 12 x 332
Air Flow (m3h) 136000 146200 146200 272000 292400
Cooling Shell amp Tube
ENER-SAVE SDN BHD Hydrocarbon Air Cooled Screw Chiller
P a g e | 7 Switch to Green Save the Environment Save The EARTH
Recommended Full Load Differential Temp Degree Celsius
45 ndash 6 45 ndash 6 45 ndash 6 45 ndash 6 45 ndash 6
Chilled Water LCWT Degree Celsius
70
Water Flow Rate usgpm
2061 2303 2298 4122 4592
Number of Cooling shell and tube
1 1 1 1 1
Water Connection (Flange) Size Inch
4rdquo 4rdquo 4rdquo 6rdquo 6rdquo
Refrigerant
HC-22aR290 Weight kg per system
17 13 x 2 18 22 x 2 18 x 2
Category C C C C C
Dimension
Height mm 1920 1920 1920 1920 1920
Width mm 2500 2500 2500 5000 5000
Length mm 1450 2290 2290 1450 2290
Weight kg 820 960 1120 1640 1820
Notes
1 1 RT = 3024kcalh = 3517kW 1m3 H2O 98kPa
2 Ambient Temperature of 40 Degree Celsius
3 Specification subject to change without prior notice
4 Compressor Oil SUNISO 4GS
5 Chiller Overview subject to change without prior notice due to positioning of chiller
compressor chiller barrel and condenser coil and fins
6 Designed Chilled Water Differential Temperature = 5 degree Celsius (12 oC7 oC)
Compressor Selection Highlights of RC2 Series Screw Compressor WWWHANBELLCOM
High-efficiency Motor 1062672 Available for part winding start or star delta start 1062672 Custom-made for specified voltage and frequency of power 1062672 Two options AampB motor for RC2-100~RC2-930 Four options A1 A2 amp B1 B2 motors for RC2-1020 ~1530
ENER-SAVE SDN BHD Hydrocarbon Air Cooled Screw Chiller
P a g e | 8 Switch to Green Save the Environment Save The EARTH
1062672 Optimal slot design for passage of refrigerant inside motor casing 1062672 Refrigerant flows through outside of motor winding to provide the most efficient motor cooling 1062672 Sliding-fit stator easier for installation and removal
Part-load Effective Economizer Operation 1062672 Enhance cooling capacity as well as energy efficiency 1062672 Sustain optimum medium pressure by vapor injection through specially-designed slots in slide valve and compression casing 1062672 Effective under partial load and full load
Dual Capacity Control 1062672 Flanged-on solenoid coil easy for installation 1062672 3-step 4-step or continuous (33~100 25~100) capacity control system 1062672 Interchangeable by varying control logic without modification of solenoid valves
Durable Bearing Structure
ENER-SAVE SDN BHD Hydrocarbon Air Cooled Screw Chiller
P a g e | 9 Switch to Green Save the Environment Save The EARTH
1062672 High-quality bearings (radial and axial resistance) 1062672 Additional bearing for backward rotation 1062672 ________ _______________________ 1062672 Heavy-duty design 1062672 Longer bearing life compared to traditional 9-bearing design
High-performance Integral Oil Separator 1062672 Detachable demister for cleaning 1062672 Finer size of mesh 1062672 Low pressure drop and oil carry-over 1062672 Three-staged oil separation (RC2-1020~RC2-1530)
Complete Protection amp Accessories 1 Motor temperature sensor (optional) 106267210626721062672106267210626721062672 ldquoBuilt-inrdquo Pt100 or Pt1000 installed in motor winding 106267210626721062672106267210626721062672 Accurately registers motor temperature 106267210626721062672106267210626721062672 Controller can precisely initiate liquid injection to motor accordingly 2 Discharge Temperature Thermistor amp Motor Temperature Thermistor 106267210626721062672106267210626721062672 Totally integrated 106267210626721062672106267210626721062672 Effectively protect compressor in advance when any abnormal alarm occurs
ENER-SAVE SDN BHD Hydrocarbon Air Cooled Screw Chiller
P a g e | 10 Switch to Green Save the Environment Save The EARTH
3 Liquid Injection and Oil Cooler Function (Port amp Stop Pin) 106267210626721062672106267210626721062672 Both available on every Hanbell screw compressor 4 Oil Level Switch 106267210626721062672106267210626721062672 Ensure sufficient lubricant in compressor for better lubrication capacity control cooling and sealing 5 Heater (150W amp 300W) 106267210626721062672106267210626721062672 Increase lubricantrsquos flow-ability when compressor restarts after long-term stop 6 Connection for Pressure Differential Switch 106267210626721062672106267210626721062672 Easily detect clog in oil filter 106267210626721062672106267210626721062672 Assure effective capacity modulation and lubrication
Other Advantages 1062672 Low noise level and minimum vibration 1062672 Fewer quantity of parts in screw compressor than those in reciprocating compressor 1062672 Easy for maintenance and overhaul 1062672 Compact geometry easy for layout
Approval and Certification 1062672 Production by SOP conformed to major quality standards 1062672 Approved by ISO 9001-2000 UL CE(PED) Electronic Apparatus for Explosive Atmospheres (EX China) Lloydrsquos Register (vessel) Symbol of Excellence in Taiwan
ENER-SAVE SDN BHD Hydrocarbon Air Cooled Screw Chiller
P a g e | 11 Switch to Green Save the Environment Save The EARTH
Refrigerant Gas Selection
Hydrocarbon Refrigerant Gas HC refrigerant is designed to replace ozone-depleting global-warming refrigerants HC
Refrigerants are made of natural organic compounds mdash not a blend of pre-existing
chemically based synthetic refrigerants
In fact HC Refrigerant products can actually enhance the life and performance of air-
conditioning and refrigeration system Thanks to an anti-friction additive and their excellent
thermal and chemical stability After more than 12 years of extensive testing itrsquos clear that HC
Refrigerant Products provide more efficient performance than the man-made synthetic
refrigerants they replace
OR ENER-SAVE R600a is designed as direct replace and
retrofit refrigerant gas for Ozone Depleting refrigerant R12 (CFC) or Global Warming
refrigerant gas R134a (HFC)
OR ENER-SAVE R290 is designed as direct replace and
retrofit refrigerant gas for ozone depleting refrigerant gas R22 (HCFC) Global Warming
Refrigerant gas R410a R411a and R407C
A Natural Solution to a Global Dilemma
A growing awareness of the environmental issues facing our planet has motivated many world
leaders and governments to embrace hydrocarbon technology as a long-term solution to
environmental concerns The European Common has adopted a new Standard EN 378 which
provides guidelines for the use and installation of hydrocarbon refrigerants in over 14
European countries In the past five years alone more than 8 million refrigerators and freezers
were manufactured in Germany and Denmark utilizing hydrocarbon technology
Features of HC Refrigerant Benefits
bull Highly efficient
bull Non-ozone depleting
bull Non-corrosive
bull Non-toxic
bull Non-global warming
bull Molecule Lighter
bull Energy Saving
bull Environmental Friendly
bull Enhance Life and Performance of AC System
ENER-SAVE SDN BHD Hydrocarbon Air Cooled Screw Chiller
P a g e | 12 Switch to Green Save the Environment Save The EARTH
In the US ASHRAE has rewritten Standard 15 to provide a framework for greater use of
hydrocarbon refrigerants In the past ten years more than one million gallons of our HC
Refrigerant has been used to cool between 3 million and 5 million motor vehicles throughout
North America During that period there have been no reported accidents or injuries
attributed to the use of our products
Hydrocarbon refrigerant gas helps to stop ozone depleting (ODP= 0) amp reduce the global-
warming crisis (GWP lt 3) fully compliance with UN Montreal Protocol amp Kyoto Protocol
Refrigerants Hydrocarbons (HC)
Chlorofluorocarbons (CFC)
Hydro Chlorofluorocarbons
(HCFC)
Hydro Fluorocarbons
(HFC)
ODP 0 09 004 0
GWP (CO2 = 1 100 year Basic)
3 10600 1800 1600
Ozone Depleting Substances controlled by UN Montreal Protocol
Global Warming Substances gt150 controlled by Kyoto Protocol
Label on Hydrocarbon Chiller
ENER-SAVE SDN BHD Hydrocarbon Air Cooled Screw Chiller
P a g e | 13 Switch to Green Save the Environment Save The EARTH
ENER-SAVE SDN BHD Hydrocarbon Air Cooled Screw Chiller
P a g e | 14 Switch to Green Save the Environment Save The EARTH
Safety Guideline and Minimum Room Ventilation
General Safety Issues All hydrocarbon refrigerants are highly flammable but non-toxic This gives them an ldquoA3rdquo classification according to MS 26782017 Reference should be made to this Standard which details the requirements for the safe use of flammable refrigerants in commercial and industrial applications For more detailed information on these safety requirements refer to the Institute of Refrigeration Safety Code for A3 refrigerants There are many other safety requirements that should be considered in the design and construction of all refrigerating and air conditioning installations regardless of the flammability of the refrigerant used General safety standards and codes of practice referenced in this document should be consulted for this additional information Allowable Refrigerant Charge The limiting factor associated with the use of hydrocarbon refrigerants is the refrigerant charge size the occupancy category and the room size The charge size requirements according to MS 26782017 are detailed in Table below Table Charge size requirements for various location categories
Systems with charge sizes of 015kg or less can be installed in any size of room Systems with charge size of more than 015kg room size should be such that a sudden loss of refrigerant shall not raise the mean concentration in the room above the practical limit (approximately 0008kgm3) Room Ventilation and Refrigerant Detection ldquoRefrigeration machinery rooms should be vented to the outside air by means of natural or mechanical ventilation Free Air Movement (All) ldquoEnsure that free air movement can be achieved around all refrigerant containing parts of the system Openings for outside air should be positioned such that short circuiting does not occurrdquo
ENER-SAVE SDN BHD Hydrocarbon Air Cooled Screw Chiller
P a g e | 15 Switch to Green Save the Environment Save The EARTH
Mechanical Ventilation (All) Where the refrigerant charge of a single refrigerating circuit exceeds the mass in Equation below a machinery room containing HC refrigerants must employ mechanical ventilation capable of providing the minimum ventilation rate The minimum ventilation rate depends upon the type of electrical protection within the machinery room Where the installation is protected according to the mechanical ventilation rate should be equivalent to at least 10-room volume changes per hour
Eg Minimum ventilation fan flow rate for extraction Vmin
Vmin = 0004 x m LFL
Where
Vmin = minimum volume flow rate of extract fan m3 s
m = largest mass of refrigerant within any single circuit of any refrigerating system kg
(lb)
LFL = Lower Flammability Limit of refrigerant kgm3
Vmin = = 0004 x 22kg 0038kgm3 = 232m3s
Suggested Ventilation Fan should be more than 232 m3s flow rate for
Ener-Save Hydrocarbon Air Cooled Screw Chiller
ldquoIn all cases a refrigerant detector should be linked into the initiation of mechanical ventilation The location of the sampling point should be at low level (where heavier than air refrigerants are used) The ventilation must either be running continuously or use a refrigerant detector starting device set at 25 of the Lower Flammability Level (LFL) Lower ventilation rates can be initiated upon detection of lower refrigerant concentrationsrdquo ldquoThe inlet of the extract ventilation should be located at floor level and ducted to a safe location Discharge points for vented air or openings for fresh air shall be positioned so as to avoid discharged air being drawn back in the building such as ventilation system inlets opening windows and doors and sources of ignition The rejection of flammable materials shall not present a hazard externally such as entering a building or being in contact with sources of ignition The mechanical ventilation system should be designed to maintain the room at a lower pressure than surrounding areas so that there will be no escape of leaked refrigerants to other areas Fans for mechanical ventilation should use motors of non-sparking type and the fan blades and cowling should be designed so as to avoid sparking as a result of metal-to-metal contact Mechanical ventilation equipment should be installed with independent emergency control located outside of and near to the machinery roomrdquo
ENER-SAVE SDN BHD Hydrocarbon Air Cooled Screw Chiller
P a g e | 16 Switch to Green Save the Environment Save The EARTH
Authorized and Qualified Installer
Product Manufacturer and HC Trainer
ENER-SAVE SDN BHD
(661220-A) Tel +607-557 2669 Fax +607-558 2669
Todays Savings Tomorrows Sustainable Living Switch To Green Save The Environment Save The Earth We Specialise in Natural Green Refrigerant - Hydrocarbon
ENER-SAVE SDN BHD Hydrocarbon Air Cooled Screw Chiller
P a g e | 5 Switch to Green Save the Environment Save The EARTH
bull Interactive screen
bull User friendly interface
bull Simple operation
bull Graph and digital numerical display for chilled water temperature
bull Display for Cut-OFF and Cut-IN temperature set-points
bull Temperature in Centigrade unit
bull System run time display in Days Hours and Minutes
bull Indicator lights to show the number of running compressors compressorrsquos status running status system error and compressorrsquos maintenance indicator
bull Active Alarm and History Alarm display to show the current and previous error
bull Parameters is set to factory default if the PLC is out of battery for 10 days
bull Easy set point setting for Cut-OFF Cut-IN temperatures and Cut-IN Timers
bull Password features to provide safety for the system parameters from being adjusted by unauthorized personal
bull PLC IO indicators to show the current PLC IO status
Remarks Ener-Save may change the controller to Carel Controller without prior notice
ENER-SAVE SDN BHD Hydrocarbon Air Cooled Screw Chiller
P a g e | 6 Switch to Green Save the Environment Save The EARTH
Technical Specification
Model (77RT to 172RT)
ESAC77C50SHCx
ESAC86C50CHCx
ESAC86C50SHCx
ESAC155C50SHCx
ESAC172C50SHCx
General
Capacity RT +-5 776 867 865 1552 1729
BTUh 931200 1040400 1038000 1862400 2074800
Rated Power kW 1020 1148 1091 2040 2182
Operating Power kW 878 980 933 1756 1867
No Of refrigerant circuits
1
2 1 2 2
Number of compressor
1 2 1 2 2
Capacity Steps of Compressor
100 ndash 75-50 ndash 0
100 ndash 75-50 ndash 0
100 ndash 75-50 ndash 0
100 ndash 75-50 ndash 25 ndash
0
100 ndash 75-50 ndash 25 ndash
0
Compressor
Type Semi-Hermetic
Screw
Semi-Hermetic
Screw
Semi-Hermetic
Screw
Semi-Hermetic
Screw
Semi-Hermetic
Screw
Compressor Model RC2-310B RC2-180B RC2-340B RC2-310B RC2-340B
Connection Star-Delta Star-Delta Star-Delta Star-Delta Star-Delta
Voltage Range 342 ndash 462Vac
Power Supply 380 415V 3ph 50Hz
Air Cooled Condenser V Coil 16FPI
No Coil 4 4 4 8 8
Face Area (m2) 1072 1208 1208 214 242
No of Fan Motor x Power (kW)
6 x 32 6 x 32 6 x 32 12 x 32 12 x 332
Air Flow (m3h) 136000 146200 146200 272000 292400
Cooling Shell amp Tube
ENER-SAVE SDN BHD Hydrocarbon Air Cooled Screw Chiller
P a g e | 7 Switch to Green Save the Environment Save The EARTH
Recommended Full Load Differential Temp Degree Celsius
45 ndash 6 45 ndash 6 45 ndash 6 45 ndash 6 45 ndash 6
Chilled Water LCWT Degree Celsius
70
Water Flow Rate usgpm
2061 2303 2298 4122 4592
Number of Cooling shell and tube
1 1 1 1 1
Water Connection (Flange) Size Inch
4rdquo 4rdquo 4rdquo 6rdquo 6rdquo
Refrigerant
HC-22aR290 Weight kg per system
17 13 x 2 18 22 x 2 18 x 2
Category C C C C C
Dimension
Height mm 1920 1920 1920 1920 1920
Width mm 2500 2500 2500 5000 5000
Length mm 1450 2290 2290 1450 2290
Weight kg 820 960 1120 1640 1820
Notes
1 1 RT = 3024kcalh = 3517kW 1m3 H2O 98kPa
2 Ambient Temperature of 40 Degree Celsius
3 Specification subject to change without prior notice
4 Compressor Oil SUNISO 4GS
5 Chiller Overview subject to change without prior notice due to positioning of chiller
compressor chiller barrel and condenser coil and fins
6 Designed Chilled Water Differential Temperature = 5 degree Celsius (12 oC7 oC)
Compressor Selection Highlights of RC2 Series Screw Compressor WWWHANBELLCOM
High-efficiency Motor 1062672 Available for part winding start or star delta start 1062672 Custom-made for specified voltage and frequency of power 1062672 Two options AampB motor for RC2-100~RC2-930 Four options A1 A2 amp B1 B2 motors for RC2-1020 ~1530
ENER-SAVE SDN BHD Hydrocarbon Air Cooled Screw Chiller
P a g e | 8 Switch to Green Save the Environment Save The EARTH
1062672 Optimal slot design for passage of refrigerant inside motor casing 1062672 Refrigerant flows through outside of motor winding to provide the most efficient motor cooling 1062672 Sliding-fit stator easier for installation and removal
Part-load Effective Economizer Operation 1062672 Enhance cooling capacity as well as energy efficiency 1062672 Sustain optimum medium pressure by vapor injection through specially-designed slots in slide valve and compression casing 1062672 Effective under partial load and full load
Dual Capacity Control 1062672 Flanged-on solenoid coil easy for installation 1062672 3-step 4-step or continuous (33~100 25~100) capacity control system 1062672 Interchangeable by varying control logic without modification of solenoid valves
Durable Bearing Structure
ENER-SAVE SDN BHD Hydrocarbon Air Cooled Screw Chiller
P a g e | 9 Switch to Green Save the Environment Save The EARTH
1062672 High-quality bearings (radial and axial resistance) 1062672 Additional bearing for backward rotation 1062672 ________ _______________________ 1062672 Heavy-duty design 1062672 Longer bearing life compared to traditional 9-bearing design
High-performance Integral Oil Separator 1062672 Detachable demister for cleaning 1062672 Finer size of mesh 1062672 Low pressure drop and oil carry-over 1062672 Three-staged oil separation (RC2-1020~RC2-1530)
Complete Protection amp Accessories 1 Motor temperature sensor (optional) 106267210626721062672106267210626721062672 ldquoBuilt-inrdquo Pt100 or Pt1000 installed in motor winding 106267210626721062672106267210626721062672 Accurately registers motor temperature 106267210626721062672106267210626721062672 Controller can precisely initiate liquid injection to motor accordingly 2 Discharge Temperature Thermistor amp Motor Temperature Thermistor 106267210626721062672106267210626721062672 Totally integrated 106267210626721062672106267210626721062672 Effectively protect compressor in advance when any abnormal alarm occurs
ENER-SAVE SDN BHD Hydrocarbon Air Cooled Screw Chiller
P a g e | 10 Switch to Green Save the Environment Save The EARTH
3 Liquid Injection and Oil Cooler Function (Port amp Stop Pin) 106267210626721062672106267210626721062672 Both available on every Hanbell screw compressor 4 Oil Level Switch 106267210626721062672106267210626721062672 Ensure sufficient lubricant in compressor for better lubrication capacity control cooling and sealing 5 Heater (150W amp 300W) 106267210626721062672106267210626721062672 Increase lubricantrsquos flow-ability when compressor restarts after long-term stop 6 Connection for Pressure Differential Switch 106267210626721062672106267210626721062672 Easily detect clog in oil filter 106267210626721062672106267210626721062672 Assure effective capacity modulation and lubrication
Other Advantages 1062672 Low noise level and minimum vibration 1062672 Fewer quantity of parts in screw compressor than those in reciprocating compressor 1062672 Easy for maintenance and overhaul 1062672 Compact geometry easy for layout
Approval and Certification 1062672 Production by SOP conformed to major quality standards 1062672 Approved by ISO 9001-2000 UL CE(PED) Electronic Apparatus for Explosive Atmospheres (EX China) Lloydrsquos Register (vessel) Symbol of Excellence in Taiwan
ENER-SAVE SDN BHD Hydrocarbon Air Cooled Screw Chiller
P a g e | 11 Switch to Green Save the Environment Save The EARTH
Refrigerant Gas Selection
Hydrocarbon Refrigerant Gas HC refrigerant is designed to replace ozone-depleting global-warming refrigerants HC
Refrigerants are made of natural organic compounds mdash not a blend of pre-existing
chemically based synthetic refrigerants
In fact HC Refrigerant products can actually enhance the life and performance of air-
conditioning and refrigeration system Thanks to an anti-friction additive and their excellent
thermal and chemical stability After more than 12 years of extensive testing itrsquos clear that HC
Refrigerant Products provide more efficient performance than the man-made synthetic
refrigerants they replace
OR ENER-SAVE R600a is designed as direct replace and
retrofit refrigerant gas for Ozone Depleting refrigerant R12 (CFC) or Global Warming
refrigerant gas R134a (HFC)
OR ENER-SAVE R290 is designed as direct replace and
retrofit refrigerant gas for ozone depleting refrigerant gas R22 (HCFC) Global Warming
Refrigerant gas R410a R411a and R407C
A Natural Solution to a Global Dilemma
A growing awareness of the environmental issues facing our planet has motivated many world
leaders and governments to embrace hydrocarbon technology as a long-term solution to
environmental concerns The European Common has adopted a new Standard EN 378 which
provides guidelines for the use and installation of hydrocarbon refrigerants in over 14
European countries In the past five years alone more than 8 million refrigerators and freezers
were manufactured in Germany and Denmark utilizing hydrocarbon technology
Features of HC Refrigerant Benefits
bull Highly efficient
bull Non-ozone depleting
bull Non-corrosive
bull Non-toxic
bull Non-global warming
bull Molecule Lighter
bull Energy Saving
bull Environmental Friendly
bull Enhance Life and Performance of AC System
ENER-SAVE SDN BHD Hydrocarbon Air Cooled Screw Chiller
P a g e | 12 Switch to Green Save the Environment Save The EARTH
In the US ASHRAE has rewritten Standard 15 to provide a framework for greater use of
hydrocarbon refrigerants In the past ten years more than one million gallons of our HC
Refrigerant has been used to cool between 3 million and 5 million motor vehicles throughout
North America During that period there have been no reported accidents or injuries
attributed to the use of our products
Hydrocarbon refrigerant gas helps to stop ozone depleting (ODP= 0) amp reduce the global-
warming crisis (GWP lt 3) fully compliance with UN Montreal Protocol amp Kyoto Protocol
Refrigerants Hydrocarbons (HC)
Chlorofluorocarbons (CFC)
Hydro Chlorofluorocarbons
(HCFC)
Hydro Fluorocarbons
(HFC)
ODP 0 09 004 0
GWP (CO2 = 1 100 year Basic)
3 10600 1800 1600
Ozone Depleting Substances controlled by UN Montreal Protocol
Global Warming Substances gt150 controlled by Kyoto Protocol
Label on Hydrocarbon Chiller
ENER-SAVE SDN BHD Hydrocarbon Air Cooled Screw Chiller
P a g e | 13 Switch to Green Save the Environment Save The EARTH
ENER-SAVE SDN BHD Hydrocarbon Air Cooled Screw Chiller
P a g e | 14 Switch to Green Save the Environment Save The EARTH
Safety Guideline and Minimum Room Ventilation
General Safety Issues All hydrocarbon refrigerants are highly flammable but non-toxic This gives them an ldquoA3rdquo classification according to MS 26782017 Reference should be made to this Standard which details the requirements for the safe use of flammable refrigerants in commercial and industrial applications For more detailed information on these safety requirements refer to the Institute of Refrigeration Safety Code for A3 refrigerants There are many other safety requirements that should be considered in the design and construction of all refrigerating and air conditioning installations regardless of the flammability of the refrigerant used General safety standards and codes of practice referenced in this document should be consulted for this additional information Allowable Refrigerant Charge The limiting factor associated with the use of hydrocarbon refrigerants is the refrigerant charge size the occupancy category and the room size The charge size requirements according to MS 26782017 are detailed in Table below Table Charge size requirements for various location categories
Systems with charge sizes of 015kg or less can be installed in any size of room Systems with charge size of more than 015kg room size should be such that a sudden loss of refrigerant shall not raise the mean concentration in the room above the practical limit (approximately 0008kgm3) Room Ventilation and Refrigerant Detection ldquoRefrigeration machinery rooms should be vented to the outside air by means of natural or mechanical ventilation Free Air Movement (All) ldquoEnsure that free air movement can be achieved around all refrigerant containing parts of the system Openings for outside air should be positioned such that short circuiting does not occurrdquo
ENER-SAVE SDN BHD Hydrocarbon Air Cooled Screw Chiller
P a g e | 15 Switch to Green Save the Environment Save The EARTH
Mechanical Ventilation (All) Where the refrigerant charge of a single refrigerating circuit exceeds the mass in Equation below a machinery room containing HC refrigerants must employ mechanical ventilation capable of providing the minimum ventilation rate The minimum ventilation rate depends upon the type of electrical protection within the machinery room Where the installation is protected according to the mechanical ventilation rate should be equivalent to at least 10-room volume changes per hour
Eg Minimum ventilation fan flow rate for extraction Vmin
Vmin = 0004 x m LFL
Where
Vmin = minimum volume flow rate of extract fan m3 s
m = largest mass of refrigerant within any single circuit of any refrigerating system kg
(lb)
LFL = Lower Flammability Limit of refrigerant kgm3
Vmin = = 0004 x 22kg 0038kgm3 = 232m3s
Suggested Ventilation Fan should be more than 232 m3s flow rate for
Ener-Save Hydrocarbon Air Cooled Screw Chiller
ldquoIn all cases a refrigerant detector should be linked into the initiation of mechanical ventilation The location of the sampling point should be at low level (where heavier than air refrigerants are used) The ventilation must either be running continuously or use a refrigerant detector starting device set at 25 of the Lower Flammability Level (LFL) Lower ventilation rates can be initiated upon detection of lower refrigerant concentrationsrdquo ldquoThe inlet of the extract ventilation should be located at floor level and ducted to a safe location Discharge points for vented air or openings for fresh air shall be positioned so as to avoid discharged air being drawn back in the building such as ventilation system inlets opening windows and doors and sources of ignition The rejection of flammable materials shall not present a hazard externally such as entering a building or being in contact with sources of ignition The mechanical ventilation system should be designed to maintain the room at a lower pressure than surrounding areas so that there will be no escape of leaked refrigerants to other areas Fans for mechanical ventilation should use motors of non-sparking type and the fan blades and cowling should be designed so as to avoid sparking as a result of metal-to-metal contact Mechanical ventilation equipment should be installed with independent emergency control located outside of and near to the machinery roomrdquo
ENER-SAVE SDN BHD Hydrocarbon Air Cooled Screw Chiller
P a g e | 16 Switch to Green Save the Environment Save The EARTH
Authorized and Qualified Installer
Product Manufacturer and HC Trainer
ENER-SAVE SDN BHD
(661220-A) Tel +607-557 2669 Fax +607-558 2669
Todays Savings Tomorrows Sustainable Living Switch To Green Save The Environment Save The Earth We Specialise in Natural Green Refrigerant - Hydrocarbon
ENER-SAVE SDN BHD Hydrocarbon Air Cooled Screw Chiller
P a g e | 6 Switch to Green Save the Environment Save The EARTH
Technical Specification
Model (77RT to 172RT)
ESAC77C50SHCx
ESAC86C50CHCx
ESAC86C50SHCx
ESAC155C50SHCx
ESAC172C50SHCx
General
Capacity RT +-5 776 867 865 1552 1729
BTUh 931200 1040400 1038000 1862400 2074800
Rated Power kW 1020 1148 1091 2040 2182
Operating Power kW 878 980 933 1756 1867
No Of refrigerant circuits
1
2 1 2 2
Number of compressor
1 2 1 2 2
Capacity Steps of Compressor
100 ndash 75-50 ndash 0
100 ndash 75-50 ndash 0
100 ndash 75-50 ndash 0
100 ndash 75-50 ndash 25 ndash
0
100 ndash 75-50 ndash 25 ndash
0
Compressor
Type Semi-Hermetic
Screw
Semi-Hermetic
Screw
Semi-Hermetic
Screw
Semi-Hermetic
Screw
Semi-Hermetic
Screw
Compressor Model RC2-310B RC2-180B RC2-340B RC2-310B RC2-340B
Connection Star-Delta Star-Delta Star-Delta Star-Delta Star-Delta
Voltage Range 342 ndash 462Vac
Power Supply 380 415V 3ph 50Hz
Air Cooled Condenser V Coil 16FPI
No Coil 4 4 4 8 8
Face Area (m2) 1072 1208 1208 214 242
No of Fan Motor x Power (kW)
6 x 32 6 x 32 6 x 32 12 x 32 12 x 332
Air Flow (m3h) 136000 146200 146200 272000 292400
Cooling Shell amp Tube
ENER-SAVE SDN BHD Hydrocarbon Air Cooled Screw Chiller
P a g e | 7 Switch to Green Save the Environment Save The EARTH
Recommended Full Load Differential Temp Degree Celsius
45 ndash 6 45 ndash 6 45 ndash 6 45 ndash 6 45 ndash 6
Chilled Water LCWT Degree Celsius
70
Water Flow Rate usgpm
2061 2303 2298 4122 4592
Number of Cooling shell and tube
1 1 1 1 1
Water Connection (Flange) Size Inch
4rdquo 4rdquo 4rdquo 6rdquo 6rdquo
Refrigerant
HC-22aR290 Weight kg per system
17 13 x 2 18 22 x 2 18 x 2
Category C C C C C
Dimension
Height mm 1920 1920 1920 1920 1920
Width mm 2500 2500 2500 5000 5000
Length mm 1450 2290 2290 1450 2290
Weight kg 820 960 1120 1640 1820
Notes
1 1 RT = 3024kcalh = 3517kW 1m3 H2O 98kPa
2 Ambient Temperature of 40 Degree Celsius
3 Specification subject to change without prior notice
4 Compressor Oil SUNISO 4GS
5 Chiller Overview subject to change without prior notice due to positioning of chiller
compressor chiller barrel and condenser coil and fins
6 Designed Chilled Water Differential Temperature = 5 degree Celsius (12 oC7 oC)
Compressor Selection Highlights of RC2 Series Screw Compressor WWWHANBELLCOM
High-efficiency Motor 1062672 Available for part winding start or star delta start 1062672 Custom-made for specified voltage and frequency of power 1062672 Two options AampB motor for RC2-100~RC2-930 Four options A1 A2 amp B1 B2 motors for RC2-1020 ~1530
ENER-SAVE SDN BHD Hydrocarbon Air Cooled Screw Chiller
P a g e | 8 Switch to Green Save the Environment Save The EARTH
1062672 Optimal slot design for passage of refrigerant inside motor casing 1062672 Refrigerant flows through outside of motor winding to provide the most efficient motor cooling 1062672 Sliding-fit stator easier for installation and removal
Part-load Effective Economizer Operation 1062672 Enhance cooling capacity as well as energy efficiency 1062672 Sustain optimum medium pressure by vapor injection through specially-designed slots in slide valve and compression casing 1062672 Effective under partial load and full load
Dual Capacity Control 1062672 Flanged-on solenoid coil easy for installation 1062672 3-step 4-step or continuous (33~100 25~100) capacity control system 1062672 Interchangeable by varying control logic without modification of solenoid valves
Durable Bearing Structure
ENER-SAVE SDN BHD Hydrocarbon Air Cooled Screw Chiller
P a g e | 9 Switch to Green Save the Environment Save The EARTH
1062672 High-quality bearings (radial and axial resistance) 1062672 Additional bearing for backward rotation 1062672 ________ _______________________ 1062672 Heavy-duty design 1062672 Longer bearing life compared to traditional 9-bearing design
High-performance Integral Oil Separator 1062672 Detachable demister for cleaning 1062672 Finer size of mesh 1062672 Low pressure drop and oil carry-over 1062672 Three-staged oil separation (RC2-1020~RC2-1530)
Complete Protection amp Accessories 1 Motor temperature sensor (optional) 106267210626721062672106267210626721062672 ldquoBuilt-inrdquo Pt100 or Pt1000 installed in motor winding 106267210626721062672106267210626721062672 Accurately registers motor temperature 106267210626721062672106267210626721062672 Controller can precisely initiate liquid injection to motor accordingly 2 Discharge Temperature Thermistor amp Motor Temperature Thermistor 106267210626721062672106267210626721062672 Totally integrated 106267210626721062672106267210626721062672 Effectively protect compressor in advance when any abnormal alarm occurs
ENER-SAVE SDN BHD Hydrocarbon Air Cooled Screw Chiller
P a g e | 10 Switch to Green Save the Environment Save The EARTH
3 Liquid Injection and Oil Cooler Function (Port amp Stop Pin) 106267210626721062672106267210626721062672 Both available on every Hanbell screw compressor 4 Oil Level Switch 106267210626721062672106267210626721062672 Ensure sufficient lubricant in compressor for better lubrication capacity control cooling and sealing 5 Heater (150W amp 300W) 106267210626721062672106267210626721062672 Increase lubricantrsquos flow-ability when compressor restarts after long-term stop 6 Connection for Pressure Differential Switch 106267210626721062672106267210626721062672 Easily detect clog in oil filter 106267210626721062672106267210626721062672 Assure effective capacity modulation and lubrication
Other Advantages 1062672 Low noise level and minimum vibration 1062672 Fewer quantity of parts in screw compressor than those in reciprocating compressor 1062672 Easy for maintenance and overhaul 1062672 Compact geometry easy for layout
Approval and Certification 1062672 Production by SOP conformed to major quality standards 1062672 Approved by ISO 9001-2000 UL CE(PED) Electronic Apparatus for Explosive Atmospheres (EX China) Lloydrsquos Register (vessel) Symbol of Excellence in Taiwan
ENER-SAVE SDN BHD Hydrocarbon Air Cooled Screw Chiller
P a g e | 11 Switch to Green Save the Environment Save The EARTH
Refrigerant Gas Selection
Hydrocarbon Refrigerant Gas HC refrigerant is designed to replace ozone-depleting global-warming refrigerants HC
Refrigerants are made of natural organic compounds mdash not a blend of pre-existing
chemically based synthetic refrigerants
In fact HC Refrigerant products can actually enhance the life and performance of air-
conditioning and refrigeration system Thanks to an anti-friction additive and their excellent
thermal and chemical stability After more than 12 years of extensive testing itrsquos clear that HC
Refrigerant Products provide more efficient performance than the man-made synthetic
refrigerants they replace
OR ENER-SAVE R600a is designed as direct replace and
retrofit refrigerant gas for Ozone Depleting refrigerant R12 (CFC) or Global Warming
refrigerant gas R134a (HFC)
OR ENER-SAVE R290 is designed as direct replace and
retrofit refrigerant gas for ozone depleting refrigerant gas R22 (HCFC) Global Warming
Refrigerant gas R410a R411a and R407C
A Natural Solution to a Global Dilemma
A growing awareness of the environmental issues facing our planet has motivated many world
leaders and governments to embrace hydrocarbon technology as a long-term solution to
environmental concerns The European Common has adopted a new Standard EN 378 which
provides guidelines for the use and installation of hydrocarbon refrigerants in over 14
European countries In the past five years alone more than 8 million refrigerators and freezers
were manufactured in Germany and Denmark utilizing hydrocarbon technology
Features of HC Refrigerant Benefits
bull Highly efficient
bull Non-ozone depleting
bull Non-corrosive
bull Non-toxic
bull Non-global warming
bull Molecule Lighter
bull Energy Saving
bull Environmental Friendly
bull Enhance Life and Performance of AC System
ENER-SAVE SDN BHD Hydrocarbon Air Cooled Screw Chiller
P a g e | 12 Switch to Green Save the Environment Save The EARTH
In the US ASHRAE has rewritten Standard 15 to provide a framework for greater use of
hydrocarbon refrigerants In the past ten years more than one million gallons of our HC
Refrigerant has been used to cool between 3 million and 5 million motor vehicles throughout
North America During that period there have been no reported accidents or injuries
attributed to the use of our products
Hydrocarbon refrigerant gas helps to stop ozone depleting (ODP= 0) amp reduce the global-
warming crisis (GWP lt 3) fully compliance with UN Montreal Protocol amp Kyoto Protocol
Refrigerants Hydrocarbons (HC)
Chlorofluorocarbons (CFC)
Hydro Chlorofluorocarbons
(HCFC)
Hydro Fluorocarbons
(HFC)
ODP 0 09 004 0
GWP (CO2 = 1 100 year Basic)
3 10600 1800 1600
Ozone Depleting Substances controlled by UN Montreal Protocol
Global Warming Substances gt150 controlled by Kyoto Protocol
Label on Hydrocarbon Chiller
ENER-SAVE SDN BHD Hydrocarbon Air Cooled Screw Chiller
P a g e | 13 Switch to Green Save the Environment Save The EARTH
ENER-SAVE SDN BHD Hydrocarbon Air Cooled Screw Chiller
P a g e | 14 Switch to Green Save the Environment Save The EARTH
Safety Guideline and Minimum Room Ventilation
General Safety Issues All hydrocarbon refrigerants are highly flammable but non-toxic This gives them an ldquoA3rdquo classification according to MS 26782017 Reference should be made to this Standard which details the requirements for the safe use of flammable refrigerants in commercial and industrial applications For more detailed information on these safety requirements refer to the Institute of Refrigeration Safety Code for A3 refrigerants There are many other safety requirements that should be considered in the design and construction of all refrigerating and air conditioning installations regardless of the flammability of the refrigerant used General safety standards and codes of practice referenced in this document should be consulted for this additional information Allowable Refrigerant Charge The limiting factor associated with the use of hydrocarbon refrigerants is the refrigerant charge size the occupancy category and the room size The charge size requirements according to MS 26782017 are detailed in Table below Table Charge size requirements for various location categories
Systems with charge sizes of 015kg or less can be installed in any size of room Systems with charge size of more than 015kg room size should be such that a sudden loss of refrigerant shall not raise the mean concentration in the room above the practical limit (approximately 0008kgm3) Room Ventilation and Refrigerant Detection ldquoRefrigeration machinery rooms should be vented to the outside air by means of natural or mechanical ventilation Free Air Movement (All) ldquoEnsure that free air movement can be achieved around all refrigerant containing parts of the system Openings for outside air should be positioned such that short circuiting does not occurrdquo
ENER-SAVE SDN BHD Hydrocarbon Air Cooled Screw Chiller
P a g e | 15 Switch to Green Save the Environment Save The EARTH
Mechanical Ventilation (All) Where the refrigerant charge of a single refrigerating circuit exceeds the mass in Equation below a machinery room containing HC refrigerants must employ mechanical ventilation capable of providing the minimum ventilation rate The minimum ventilation rate depends upon the type of electrical protection within the machinery room Where the installation is protected according to the mechanical ventilation rate should be equivalent to at least 10-room volume changes per hour
Eg Minimum ventilation fan flow rate for extraction Vmin
Vmin = 0004 x m LFL
Where
Vmin = minimum volume flow rate of extract fan m3 s
m = largest mass of refrigerant within any single circuit of any refrigerating system kg
(lb)
LFL = Lower Flammability Limit of refrigerant kgm3
Vmin = = 0004 x 22kg 0038kgm3 = 232m3s
Suggested Ventilation Fan should be more than 232 m3s flow rate for
Ener-Save Hydrocarbon Air Cooled Screw Chiller
ldquoIn all cases a refrigerant detector should be linked into the initiation of mechanical ventilation The location of the sampling point should be at low level (where heavier than air refrigerants are used) The ventilation must either be running continuously or use a refrigerant detector starting device set at 25 of the Lower Flammability Level (LFL) Lower ventilation rates can be initiated upon detection of lower refrigerant concentrationsrdquo ldquoThe inlet of the extract ventilation should be located at floor level and ducted to a safe location Discharge points for vented air or openings for fresh air shall be positioned so as to avoid discharged air being drawn back in the building such as ventilation system inlets opening windows and doors and sources of ignition The rejection of flammable materials shall not present a hazard externally such as entering a building or being in contact with sources of ignition The mechanical ventilation system should be designed to maintain the room at a lower pressure than surrounding areas so that there will be no escape of leaked refrigerants to other areas Fans for mechanical ventilation should use motors of non-sparking type and the fan blades and cowling should be designed so as to avoid sparking as a result of metal-to-metal contact Mechanical ventilation equipment should be installed with independent emergency control located outside of and near to the machinery roomrdquo
ENER-SAVE SDN BHD Hydrocarbon Air Cooled Screw Chiller
P a g e | 16 Switch to Green Save the Environment Save The EARTH
Authorized and Qualified Installer
Product Manufacturer and HC Trainer
ENER-SAVE SDN BHD
(661220-A) Tel +607-557 2669 Fax +607-558 2669
Todays Savings Tomorrows Sustainable Living Switch To Green Save The Environment Save The Earth We Specialise in Natural Green Refrigerant - Hydrocarbon
ENER-SAVE SDN BHD Hydrocarbon Air Cooled Screw Chiller
P a g e | 7 Switch to Green Save the Environment Save The EARTH
Recommended Full Load Differential Temp Degree Celsius
45 ndash 6 45 ndash 6 45 ndash 6 45 ndash 6 45 ndash 6
Chilled Water LCWT Degree Celsius
70
Water Flow Rate usgpm
2061 2303 2298 4122 4592
Number of Cooling shell and tube
1 1 1 1 1
Water Connection (Flange) Size Inch
4rdquo 4rdquo 4rdquo 6rdquo 6rdquo
Refrigerant
HC-22aR290 Weight kg per system
17 13 x 2 18 22 x 2 18 x 2
Category C C C C C
Dimension
Height mm 1920 1920 1920 1920 1920
Width mm 2500 2500 2500 5000 5000
Length mm 1450 2290 2290 1450 2290
Weight kg 820 960 1120 1640 1820
Notes
1 1 RT = 3024kcalh = 3517kW 1m3 H2O 98kPa
2 Ambient Temperature of 40 Degree Celsius
3 Specification subject to change without prior notice
4 Compressor Oil SUNISO 4GS
5 Chiller Overview subject to change without prior notice due to positioning of chiller
compressor chiller barrel and condenser coil and fins
6 Designed Chilled Water Differential Temperature = 5 degree Celsius (12 oC7 oC)
Compressor Selection Highlights of RC2 Series Screw Compressor WWWHANBELLCOM
High-efficiency Motor 1062672 Available for part winding start or star delta start 1062672 Custom-made for specified voltage and frequency of power 1062672 Two options AampB motor for RC2-100~RC2-930 Four options A1 A2 amp B1 B2 motors for RC2-1020 ~1530
ENER-SAVE SDN BHD Hydrocarbon Air Cooled Screw Chiller
P a g e | 8 Switch to Green Save the Environment Save The EARTH
1062672 Optimal slot design for passage of refrigerant inside motor casing 1062672 Refrigerant flows through outside of motor winding to provide the most efficient motor cooling 1062672 Sliding-fit stator easier for installation and removal
Part-load Effective Economizer Operation 1062672 Enhance cooling capacity as well as energy efficiency 1062672 Sustain optimum medium pressure by vapor injection through specially-designed slots in slide valve and compression casing 1062672 Effective under partial load and full load
Dual Capacity Control 1062672 Flanged-on solenoid coil easy for installation 1062672 3-step 4-step or continuous (33~100 25~100) capacity control system 1062672 Interchangeable by varying control logic without modification of solenoid valves
Durable Bearing Structure
ENER-SAVE SDN BHD Hydrocarbon Air Cooled Screw Chiller
P a g e | 9 Switch to Green Save the Environment Save The EARTH
1062672 High-quality bearings (radial and axial resistance) 1062672 Additional bearing for backward rotation 1062672 ________ _______________________ 1062672 Heavy-duty design 1062672 Longer bearing life compared to traditional 9-bearing design
High-performance Integral Oil Separator 1062672 Detachable demister for cleaning 1062672 Finer size of mesh 1062672 Low pressure drop and oil carry-over 1062672 Three-staged oil separation (RC2-1020~RC2-1530)
Complete Protection amp Accessories 1 Motor temperature sensor (optional) 106267210626721062672106267210626721062672 ldquoBuilt-inrdquo Pt100 or Pt1000 installed in motor winding 106267210626721062672106267210626721062672 Accurately registers motor temperature 106267210626721062672106267210626721062672 Controller can precisely initiate liquid injection to motor accordingly 2 Discharge Temperature Thermistor amp Motor Temperature Thermistor 106267210626721062672106267210626721062672 Totally integrated 106267210626721062672106267210626721062672 Effectively protect compressor in advance when any abnormal alarm occurs
ENER-SAVE SDN BHD Hydrocarbon Air Cooled Screw Chiller
P a g e | 10 Switch to Green Save the Environment Save The EARTH
3 Liquid Injection and Oil Cooler Function (Port amp Stop Pin) 106267210626721062672106267210626721062672 Both available on every Hanbell screw compressor 4 Oil Level Switch 106267210626721062672106267210626721062672 Ensure sufficient lubricant in compressor for better lubrication capacity control cooling and sealing 5 Heater (150W amp 300W) 106267210626721062672106267210626721062672 Increase lubricantrsquos flow-ability when compressor restarts after long-term stop 6 Connection for Pressure Differential Switch 106267210626721062672106267210626721062672 Easily detect clog in oil filter 106267210626721062672106267210626721062672 Assure effective capacity modulation and lubrication
Other Advantages 1062672 Low noise level and minimum vibration 1062672 Fewer quantity of parts in screw compressor than those in reciprocating compressor 1062672 Easy for maintenance and overhaul 1062672 Compact geometry easy for layout
Approval and Certification 1062672 Production by SOP conformed to major quality standards 1062672 Approved by ISO 9001-2000 UL CE(PED) Electronic Apparatus for Explosive Atmospheres (EX China) Lloydrsquos Register (vessel) Symbol of Excellence in Taiwan
ENER-SAVE SDN BHD Hydrocarbon Air Cooled Screw Chiller
P a g e | 11 Switch to Green Save the Environment Save The EARTH
Refrigerant Gas Selection
Hydrocarbon Refrigerant Gas HC refrigerant is designed to replace ozone-depleting global-warming refrigerants HC
Refrigerants are made of natural organic compounds mdash not a blend of pre-existing
chemically based synthetic refrigerants
In fact HC Refrigerant products can actually enhance the life and performance of air-
conditioning and refrigeration system Thanks to an anti-friction additive and their excellent
thermal and chemical stability After more than 12 years of extensive testing itrsquos clear that HC
Refrigerant Products provide more efficient performance than the man-made synthetic
refrigerants they replace
OR ENER-SAVE R600a is designed as direct replace and
retrofit refrigerant gas for Ozone Depleting refrigerant R12 (CFC) or Global Warming
refrigerant gas R134a (HFC)
OR ENER-SAVE R290 is designed as direct replace and
retrofit refrigerant gas for ozone depleting refrigerant gas R22 (HCFC) Global Warming
Refrigerant gas R410a R411a and R407C
A Natural Solution to a Global Dilemma
A growing awareness of the environmental issues facing our planet has motivated many world
leaders and governments to embrace hydrocarbon technology as a long-term solution to
environmental concerns The European Common has adopted a new Standard EN 378 which
provides guidelines for the use and installation of hydrocarbon refrigerants in over 14
European countries In the past five years alone more than 8 million refrigerators and freezers
were manufactured in Germany and Denmark utilizing hydrocarbon technology
Features of HC Refrigerant Benefits
bull Highly efficient
bull Non-ozone depleting
bull Non-corrosive
bull Non-toxic
bull Non-global warming
bull Molecule Lighter
bull Energy Saving
bull Environmental Friendly
bull Enhance Life and Performance of AC System
ENER-SAVE SDN BHD Hydrocarbon Air Cooled Screw Chiller
P a g e | 12 Switch to Green Save the Environment Save The EARTH
In the US ASHRAE has rewritten Standard 15 to provide a framework for greater use of
hydrocarbon refrigerants In the past ten years more than one million gallons of our HC
Refrigerant has been used to cool between 3 million and 5 million motor vehicles throughout
North America During that period there have been no reported accidents or injuries
attributed to the use of our products
Hydrocarbon refrigerant gas helps to stop ozone depleting (ODP= 0) amp reduce the global-
warming crisis (GWP lt 3) fully compliance with UN Montreal Protocol amp Kyoto Protocol
Refrigerants Hydrocarbons (HC)
Chlorofluorocarbons (CFC)
Hydro Chlorofluorocarbons
(HCFC)
Hydro Fluorocarbons
(HFC)
ODP 0 09 004 0
GWP (CO2 = 1 100 year Basic)
3 10600 1800 1600
Ozone Depleting Substances controlled by UN Montreal Protocol
Global Warming Substances gt150 controlled by Kyoto Protocol
Label on Hydrocarbon Chiller
ENER-SAVE SDN BHD Hydrocarbon Air Cooled Screw Chiller
P a g e | 13 Switch to Green Save the Environment Save The EARTH
ENER-SAVE SDN BHD Hydrocarbon Air Cooled Screw Chiller
P a g e | 14 Switch to Green Save the Environment Save The EARTH
Safety Guideline and Minimum Room Ventilation
General Safety Issues All hydrocarbon refrigerants are highly flammable but non-toxic This gives them an ldquoA3rdquo classification according to MS 26782017 Reference should be made to this Standard which details the requirements for the safe use of flammable refrigerants in commercial and industrial applications For more detailed information on these safety requirements refer to the Institute of Refrigeration Safety Code for A3 refrigerants There are many other safety requirements that should be considered in the design and construction of all refrigerating and air conditioning installations regardless of the flammability of the refrigerant used General safety standards and codes of practice referenced in this document should be consulted for this additional information Allowable Refrigerant Charge The limiting factor associated with the use of hydrocarbon refrigerants is the refrigerant charge size the occupancy category and the room size The charge size requirements according to MS 26782017 are detailed in Table below Table Charge size requirements for various location categories
Systems with charge sizes of 015kg or less can be installed in any size of room Systems with charge size of more than 015kg room size should be such that a sudden loss of refrigerant shall not raise the mean concentration in the room above the practical limit (approximately 0008kgm3) Room Ventilation and Refrigerant Detection ldquoRefrigeration machinery rooms should be vented to the outside air by means of natural or mechanical ventilation Free Air Movement (All) ldquoEnsure that free air movement can be achieved around all refrigerant containing parts of the system Openings for outside air should be positioned such that short circuiting does not occurrdquo
ENER-SAVE SDN BHD Hydrocarbon Air Cooled Screw Chiller
P a g e | 15 Switch to Green Save the Environment Save The EARTH
Mechanical Ventilation (All) Where the refrigerant charge of a single refrigerating circuit exceeds the mass in Equation below a machinery room containing HC refrigerants must employ mechanical ventilation capable of providing the minimum ventilation rate The minimum ventilation rate depends upon the type of electrical protection within the machinery room Where the installation is protected according to the mechanical ventilation rate should be equivalent to at least 10-room volume changes per hour
Eg Minimum ventilation fan flow rate for extraction Vmin
Vmin = 0004 x m LFL
Where
Vmin = minimum volume flow rate of extract fan m3 s
m = largest mass of refrigerant within any single circuit of any refrigerating system kg
(lb)
LFL = Lower Flammability Limit of refrigerant kgm3
Vmin = = 0004 x 22kg 0038kgm3 = 232m3s
Suggested Ventilation Fan should be more than 232 m3s flow rate for
Ener-Save Hydrocarbon Air Cooled Screw Chiller
ldquoIn all cases a refrigerant detector should be linked into the initiation of mechanical ventilation The location of the sampling point should be at low level (where heavier than air refrigerants are used) The ventilation must either be running continuously or use a refrigerant detector starting device set at 25 of the Lower Flammability Level (LFL) Lower ventilation rates can be initiated upon detection of lower refrigerant concentrationsrdquo ldquoThe inlet of the extract ventilation should be located at floor level and ducted to a safe location Discharge points for vented air or openings for fresh air shall be positioned so as to avoid discharged air being drawn back in the building such as ventilation system inlets opening windows and doors and sources of ignition The rejection of flammable materials shall not present a hazard externally such as entering a building or being in contact with sources of ignition The mechanical ventilation system should be designed to maintain the room at a lower pressure than surrounding areas so that there will be no escape of leaked refrigerants to other areas Fans for mechanical ventilation should use motors of non-sparking type and the fan blades and cowling should be designed so as to avoid sparking as a result of metal-to-metal contact Mechanical ventilation equipment should be installed with independent emergency control located outside of and near to the machinery roomrdquo
ENER-SAVE SDN BHD Hydrocarbon Air Cooled Screw Chiller
P a g e | 16 Switch to Green Save the Environment Save The EARTH
Authorized and Qualified Installer
Product Manufacturer and HC Trainer
ENER-SAVE SDN BHD
(661220-A) Tel +607-557 2669 Fax +607-558 2669
Todays Savings Tomorrows Sustainable Living Switch To Green Save The Environment Save The Earth We Specialise in Natural Green Refrigerant - Hydrocarbon
ENER-SAVE SDN BHD Hydrocarbon Air Cooled Screw Chiller
P a g e | 8 Switch to Green Save the Environment Save The EARTH
1062672 Optimal slot design for passage of refrigerant inside motor casing 1062672 Refrigerant flows through outside of motor winding to provide the most efficient motor cooling 1062672 Sliding-fit stator easier for installation and removal
Part-load Effective Economizer Operation 1062672 Enhance cooling capacity as well as energy efficiency 1062672 Sustain optimum medium pressure by vapor injection through specially-designed slots in slide valve and compression casing 1062672 Effective under partial load and full load
Dual Capacity Control 1062672 Flanged-on solenoid coil easy for installation 1062672 3-step 4-step or continuous (33~100 25~100) capacity control system 1062672 Interchangeable by varying control logic without modification of solenoid valves
Durable Bearing Structure
ENER-SAVE SDN BHD Hydrocarbon Air Cooled Screw Chiller
P a g e | 9 Switch to Green Save the Environment Save The EARTH
1062672 High-quality bearings (radial and axial resistance) 1062672 Additional bearing for backward rotation 1062672 ________ _______________________ 1062672 Heavy-duty design 1062672 Longer bearing life compared to traditional 9-bearing design
High-performance Integral Oil Separator 1062672 Detachable demister for cleaning 1062672 Finer size of mesh 1062672 Low pressure drop and oil carry-over 1062672 Three-staged oil separation (RC2-1020~RC2-1530)
Complete Protection amp Accessories 1 Motor temperature sensor (optional) 106267210626721062672106267210626721062672 ldquoBuilt-inrdquo Pt100 or Pt1000 installed in motor winding 106267210626721062672106267210626721062672 Accurately registers motor temperature 106267210626721062672106267210626721062672 Controller can precisely initiate liquid injection to motor accordingly 2 Discharge Temperature Thermistor amp Motor Temperature Thermistor 106267210626721062672106267210626721062672 Totally integrated 106267210626721062672106267210626721062672 Effectively protect compressor in advance when any abnormal alarm occurs
ENER-SAVE SDN BHD Hydrocarbon Air Cooled Screw Chiller
P a g e | 10 Switch to Green Save the Environment Save The EARTH
3 Liquid Injection and Oil Cooler Function (Port amp Stop Pin) 106267210626721062672106267210626721062672 Both available on every Hanbell screw compressor 4 Oil Level Switch 106267210626721062672106267210626721062672 Ensure sufficient lubricant in compressor for better lubrication capacity control cooling and sealing 5 Heater (150W amp 300W) 106267210626721062672106267210626721062672 Increase lubricantrsquos flow-ability when compressor restarts after long-term stop 6 Connection for Pressure Differential Switch 106267210626721062672106267210626721062672 Easily detect clog in oil filter 106267210626721062672106267210626721062672 Assure effective capacity modulation and lubrication
Other Advantages 1062672 Low noise level and minimum vibration 1062672 Fewer quantity of parts in screw compressor than those in reciprocating compressor 1062672 Easy for maintenance and overhaul 1062672 Compact geometry easy for layout
Approval and Certification 1062672 Production by SOP conformed to major quality standards 1062672 Approved by ISO 9001-2000 UL CE(PED) Electronic Apparatus for Explosive Atmospheres (EX China) Lloydrsquos Register (vessel) Symbol of Excellence in Taiwan
ENER-SAVE SDN BHD Hydrocarbon Air Cooled Screw Chiller
P a g e | 11 Switch to Green Save the Environment Save The EARTH
Refrigerant Gas Selection
Hydrocarbon Refrigerant Gas HC refrigerant is designed to replace ozone-depleting global-warming refrigerants HC
Refrigerants are made of natural organic compounds mdash not a blend of pre-existing
chemically based synthetic refrigerants
In fact HC Refrigerant products can actually enhance the life and performance of air-
conditioning and refrigeration system Thanks to an anti-friction additive and their excellent
thermal and chemical stability After more than 12 years of extensive testing itrsquos clear that HC
Refrigerant Products provide more efficient performance than the man-made synthetic
refrigerants they replace
OR ENER-SAVE R600a is designed as direct replace and
retrofit refrigerant gas for Ozone Depleting refrigerant R12 (CFC) or Global Warming
refrigerant gas R134a (HFC)
OR ENER-SAVE R290 is designed as direct replace and
retrofit refrigerant gas for ozone depleting refrigerant gas R22 (HCFC) Global Warming
Refrigerant gas R410a R411a and R407C
A Natural Solution to a Global Dilemma
A growing awareness of the environmental issues facing our planet has motivated many world
leaders and governments to embrace hydrocarbon technology as a long-term solution to
environmental concerns The European Common has adopted a new Standard EN 378 which
provides guidelines for the use and installation of hydrocarbon refrigerants in over 14
European countries In the past five years alone more than 8 million refrigerators and freezers
were manufactured in Germany and Denmark utilizing hydrocarbon technology
Features of HC Refrigerant Benefits
bull Highly efficient
bull Non-ozone depleting
bull Non-corrosive
bull Non-toxic
bull Non-global warming
bull Molecule Lighter
bull Energy Saving
bull Environmental Friendly
bull Enhance Life and Performance of AC System
ENER-SAVE SDN BHD Hydrocarbon Air Cooled Screw Chiller
P a g e | 12 Switch to Green Save the Environment Save The EARTH
In the US ASHRAE has rewritten Standard 15 to provide a framework for greater use of
hydrocarbon refrigerants In the past ten years more than one million gallons of our HC
Refrigerant has been used to cool between 3 million and 5 million motor vehicles throughout
North America During that period there have been no reported accidents or injuries
attributed to the use of our products
Hydrocarbon refrigerant gas helps to stop ozone depleting (ODP= 0) amp reduce the global-
warming crisis (GWP lt 3) fully compliance with UN Montreal Protocol amp Kyoto Protocol
Refrigerants Hydrocarbons (HC)
Chlorofluorocarbons (CFC)
Hydro Chlorofluorocarbons
(HCFC)
Hydro Fluorocarbons
(HFC)
ODP 0 09 004 0
GWP (CO2 = 1 100 year Basic)
3 10600 1800 1600
Ozone Depleting Substances controlled by UN Montreal Protocol
Global Warming Substances gt150 controlled by Kyoto Protocol
Label on Hydrocarbon Chiller
ENER-SAVE SDN BHD Hydrocarbon Air Cooled Screw Chiller
P a g e | 13 Switch to Green Save the Environment Save The EARTH
ENER-SAVE SDN BHD Hydrocarbon Air Cooled Screw Chiller
P a g e | 14 Switch to Green Save the Environment Save The EARTH
Safety Guideline and Minimum Room Ventilation
General Safety Issues All hydrocarbon refrigerants are highly flammable but non-toxic This gives them an ldquoA3rdquo classification according to MS 26782017 Reference should be made to this Standard which details the requirements for the safe use of flammable refrigerants in commercial and industrial applications For more detailed information on these safety requirements refer to the Institute of Refrigeration Safety Code for A3 refrigerants There are many other safety requirements that should be considered in the design and construction of all refrigerating and air conditioning installations regardless of the flammability of the refrigerant used General safety standards and codes of practice referenced in this document should be consulted for this additional information Allowable Refrigerant Charge The limiting factor associated with the use of hydrocarbon refrigerants is the refrigerant charge size the occupancy category and the room size The charge size requirements according to MS 26782017 are detailed in Table below Table Charge size requirements for various location categories
Systems with charge sizes of 015kg or less can be installed in any size of room Systems with charge size of more than 015kg room size should be such that a sudden loss of refrigerant shall not raise the mean concentration in the room above the practical limit (approximately 0008kgm3) Room Ventilation and Refrigerant Detection ldquoRefrigeration machinery rooms should be vented to the outside air by means of natural or mechanical ventilation Free Air Movement (All) ldquoEnsure that free air movement can be achieved around all refrigerant containing parts of the system Openings for outside air should be positioned such that short circuiting does not occurrdquo
ENER-SAVE SDN BHD Hydrocarbon Air Cooled Screw Chiller
P a g e | 15 Switch to Green Save the Environment Save The EARTH
Mechanical Ventilation (All) Where the refrigerant charge of a single refrigerating circuit exceeds the mass in Equation below a machinery room containing HC refrigerants must employ mechanical ventilation capable of providing the minimum ventilation rate The minimum ventilation rate depends upon the type of electrical protection within the machinery room Where the installation is protected according to the mechanical ventilation rate should be equivalent to at least 10-room volume changes per hour
Eg Minimum ventilation fan flow rate for extraction Vmin
Vmin = 0004 x m LFL
Where
Vmin = minimum volume flow rate of extract fan m3 s
m = largest mass of refrigerant within any single circuit of any refrigerating system kg
(lb)
LFL = Lower Flammability Limit of refrigerant kgm3
Vmin = = 0004 x 22kg 0038kgm3 = 232m3s
Suggested Ventilation Fan should be more than 232 m3s flow rate for
Ener-Save Hydrocarbon Air Cooled Screw Chiller
ldquoIn all cases a refrigerant detector should be linked into the initiation of mechanical ventilation The location of the sampling point should be at low level (where heavier than air refrigerants are used) The ventilation must either be running continuously or use a refrigerant detector starting device set at 25 of the Lower Flammability Level (LFL) Lower ventilation rates can be initiated upon detection of lower refrigerant concentrationsrdquo ldquoThe inlet of the extract ventilation should be located at floor level and ducted to a safe location Discharge points for vented air or openings for fresh air shall be positioned so as to avoid discharged air being drawn back in the building such as ventilation system inlets opening windows and doors and sources of ignition The rejection of flammable materials shall not present a hazard externally such as entering a building or being in contact with sources of ignition The mechanical ventilation system should be designed to maintain the room at a lower pressure than surrounding areas so that there will be no escape of leaked refrigerants to other areas Fans for mechanical ventilation should use motors of non-sparking type and the fan blades and cowling should be designed so as to avoid sparking as a result of metal-to-metal contact Mechanical ventilation equipment should be installed with independent emergency control located outside of and near to the machinery roomrdquo
ENER-SAVE SDN BHD Hydrocarbon Air Cooled Screw Chiller
P a g e | 16 Switch to Green Save the Environment Save The EARTH
Authorized and Qualified Installer
Product Manufacturer and HC Trainer
ENER-SAVE SDN BHD
(661220-A) Tel +607-557 2669 Fax +607-558 2669
Todays Savings Tomorrows Sustainable Living Switch To Green Save The Environment Save The Earth We Specialise in Natural Green Refrigerant - Hydrocarbon
ENER-SAVE SDN BHD Hydrocarbon Air Cooled Screw Chiller
P a g e | 9 Switch to Green Save the Environment Save The EARTH
1062672 High-quality bearings (radial and axial resistance) 1062672 Additional bearing for backward rotation 1062672 ________ _______________________ 1062672 Heavy-duty design 1062672 Longer bearing life compared to traditional 9-bearing design
High-performance Integral Oil Separator 1062672 Detachable demister for cleaning 1062672 Finer size of mesh 1062672 Low pressure drop and oil carry-over 1062672 Three-staged oil separation (RC2-1020~RC2-1530)
Complete Protection amp Accessories 1 Motor temperature sensor (optional) 106267210626721062672106267210626721062672 ldquoBuilt-inrdquo Pt100 or Pt1000 installed in motor winding 106267210626721062672106267210626721062672 Accurately registers motor temperature 106267210626721062672106267210626721062672 Controller can precisely initiate liquid injection to motor accordingly 2 Discharge Temperature Thermistor amp Motor Temperature Thermistor 106267210626721062672106267210626721062672 Totally integrated 106267210626721062672106267210626721062672 Effectively protect compressor in advance when any abnormal alarm occurs
ENER-SAVE SDN BHD Hydrocarbon Air Cooled Screw Chiller
P a g e | 10 Switch to Green Save the Environment Save The EARTH
3 Liquid Injection and Oil Cooler Function (Port amp Stop Pin) 106267210626721062672106267210626721062672 Both available on every Hanbell screw compressor 4 Oil Level Switch 106267210626721062672106267210626721062672 Ensure sufficient lubricant in compressor for better lubrication capacity control cooling and sealing 5 Heater (150W amp 300W) 106267210626721062672106267210626721062672 Increase lubricantrsquos flow-ability when compressor restarts after long-term stop 6 Connection for Pressure Differential Switch 106267210626721062672106267210626721062672 Easily detect clog in oil filter 106267210626721062672106267210626721062672 Assure effective capacity modulation and lubrication
Other Advantages 1062672 Low noise level and minimum vibration 1062672 Fewer quantity of parts in screw compressor than those in reciprocating compressor 1062672 Easy for maintenance and overhaul 1062672 Compact geometry easy for layout
Approval and Certification 1062672 Production by SOP conformed to major quality standards 1062672 Approved by ISO 9001-2000 UL CE(PED) Electronic Apparatus for Explosive Atmospheres (EX China) Lloydrsquos Register (vessel) Symbol of Excellence in Taiwan
ENER-SAVE SDN BHD Hydrocarbon Air Cooled Screw Chiller
P a g e | 11 Switch to Green Save the Environment Save The EARTH
Refrigerant Gas Selection
Hydrocarbon Refrigerant Gas HC refrigerant is designed to replace ozone-depleting global-warming refrigerants HC
Refrigerants are made of natural organic compounds mdash not a blend of pre-existing
chemically based synthetic refrigerants
In fact HC Refrigerant products can actually enhance the life and performance of air-
conditioning and refrigeration system Thanks to an anti-friction additive and their excellent
thermal and chemical stability After more than 12 years of extensive testing itrsquos clear that HC
Refrigerant Products provide more efficient performance than the man-made synthetic
refrigerants they replace
OR ENER-SAVE R600a is designed as direct replace and
retrofit refrigerant gas for Ozone Depleting refrigerant R12 (CFC) or Global Warming
refrigerant gas R134a (HFC)
OR ENER-SAVE R290 is designed as direct replace and
retrofit refrigerant gas for ozone depleting refrigerant gas R22 (HCFC) Global Warming
Refrigerant gas R410a R411a and R407C
A Natural Solution to a Global Dilemma
A growing awareness of the environmental issues facing our planet has motivated many world
leaders and governments to embrace hydrocarbon technology as a long-term solution to
environmental concerns The European Common has adopted a new Standard EN 378 which
provides guidelines for the use and installation of hydrocarbon refrigerants in over 14
European countries In the past five years alone more than 8 million refrigerators and freezers
were manufactured in Germany and Denmark utilizing hydrocarbon technology
Features of HC Refrigerant Benefits
bull Highly efficient
bull Non-ozone depleting
bull Non-corrosive
bull Non-toxic
bull Non-global warming
bull Molecule Lighter
bull Energy Saving
bull Environmental Friendly
bull Enhance Life and Performance of AC System
ENER-SAVE SDN BHD Hydrocarbon Air Cooled Screw Chiller
P a g e | 12 Switch to Green Save the Environment Save The EARTH
In the US ASHRAE has rewritten Standard 15 to provide a framework for greater use of
hydrocarbon refrigerants In the past ten years more than one million gallons of our HC
Refrigerant has been used to cool between 3 million and 5 million motor vehicles throughout
North America During that period there have been no reported accidents or injuries
attributed to the use of our products
Hydrocarbon refrigerant gas helps to stop ozone depleting (ODP= 0) amp reduce the global-
warming crisis (GWP lt 3) fully compliance with UN Montreal Protocol amp Kyoto Protocol
Refrigerants Hydrocarbons (HC)
Chlorofluorocarbons (CFC)
Hydro Chlorofluorocarbons
(HCFC)
Hydro Fluorocarbons
(HFC)
ODP 0 09 004 0
GWP (CO2 = 1 100 year Basic)
3 10600 1800 1600
Ozone Depleting Substances controlled by UN Montreal Protocol
Global Warming Substances gt150 controlled by Kyoto Protocol
Label on Hydrocarbon Chiller
ENER-SAVE SDN BHD Hydrocarbon Air Cooled Screw Chiller
P a g e | 13 Switch to Green Save the Environment Save The EARTH
ENER-SAVE SDN BHD Hydrocarbon Air Cooled Screw Chiller
P a g e | 14 Switch to Green Save the Environment Save The EARTH
Safety Guideline and Minimum Room Ventilation
General Safety Issues All hydrocarbon refrigerants are highly flammable but non-toxic This gives them an ldquoA3rdquo classification according to MS 26782017 Reference should be made to this Standard which details the requirements for the safe use of flammable refrigerants in commercial and industrial applications For more detailed information on these safety requirements refer to the Institute of Refrigeration Safety Code for A3 refrigerants There are many other safety requirements that should be considered in the design and construction of all refrigerating and air conditioning installations regardless of the flammability of the refrigerant used General safety standards and codes of practice referenced in this document should be consulted for this additional information Allowable Refrigerant Charge The limiting factor associated with the use of hydrocarbon refrigerants is the refrigerant charge size the occupancy category and the room size The charge size requirements according to MS 26782017 are detailed in Table below Table Charge size requirements for various location categories
Systems with charge sizes of 015kg or less can be installed in any size of room Systems with charge size of more than 015kg room size should be such that a sudden loss of refrigerant shall not raise the mean concentration in the room above the practical limit (approximately 0008kgm3) Room Ventilation and Refrigerant Detection ldquoRefrigeration machinery rooms should be vented to the outside air by means of natural or mechanical ventilation Free Air Movement (All) ldquoEnsure that free air movement can be achieved around all refrigerant containing parts of the system Openings for outside air should be positioned such that short circuiting does not occurrdquo
ENER-SAVE SDN BHD Hydrocarbon Air Cooled Screw Chiller
P a g e | 15 Switch to Green Save the Environment Save The EARTH
Mechanical Ventilation (All) Where the refrigerant charge of a single refrigerating circuit exceeds the mass in Equation below a machinery room containing HC refrigerants must employ mechanical ventilation capable of providing the minimum ventilation rate The minimum ventilation rate depends upon the type of electrical protection within the machinery room Where the installation is protected according to the mechanical ventilation rate should be equivalent to at least 10-room volume changes per hour
Eg Minimum ventilation fan flow rate for extraction Vmin
Vmin = 0004 x m LFL
Where
Vmin = minimum volume flow rate of extract fan m3 s
m = largest mass of refrigerant within any single circuit of any refrigerating system kg
(lb)
LFL = Lower Flammability Limit of refrigerant kgm3
Vmin = = 0004 x 22kg 0038kgm3 = 232m3s
Suggested Ventilation Fan should be more than 232 m3s flow rate for
Ener-Save Hydrocarbon Air Cooled Screw Chiller
ldquoIn all cases a refrigerant detector should be linked into the initiation of mechanical ventilation The location of the sampling point should be at low level (where heavier than air refrigerants are used) The ventilation must either be running continuously or use a refrigerant detector starting device set at 25 of the Lower Flammability Level (LFL) Lower ventilation rates can be initiated upon detection of lower refrigerant concentrationsrdquo ldquoThe inlet of the extract ventilation should be located at floor level and ducted to a safe location Discharge points for vented air or openings for fresh air shall be positioned so as to avoid discharged air being drawn back in the building such as ventilation system inlets opening windows and doors and sources of ignition The rejection of flammable materials shall not present a hazard externally such as entering a building or being in contact with sources of ignition The mechanical ventilation system should be designed to maintain the room at a lower pressure than surrounding areas so that there will be no escape of leaked refrigerants to other areas Fans for mechanical ventilation should use motors of non-sparking type and the fan blades and cowling should be designed so as to avoid sparking as a result of metal-to-metal contact Mechanical ventilation equipment should be installed with independent emergency control located outside of and near to the machinery roomrdquo
ENER-SAVE SDN BHD Hydrocarbon Air Cooled Screw Chiller
P a g e | 16 Switch to Green Save the Environment Save The EARTH
Authorized and Qualified Installer
Product Manufacturer and HC Trainer
ENER-SAVE SDN BHD
(661220-A) Tel +607-557 2669 Fax +607-558 2669
Todays Savings Tomorrows Sustainable Living Switch To Green Save The Environment Save The Earth We Specialise in Natural Green Refrigerant - Hydrocarbon
ENER-SAVE SDN BHD Hydrocarbon Air Cooled Screw Chiller
P a g e | 10 Switch to Green Save the Environment Save The EARTH
3 Liquid Injection and Oil Cooler Function (Port amp Stop Pin) 106267210626721062672106267210626721062672 Both available on every Hanbell screw compressor 4 Oil Level Switch 106267210626721062672106267210626721062672 Ensure sufficient lubricant in compressor for better lubrication capacity control cooling and sealing 5 Heater (150W amp 300W) 106267210626721062672106267210626721062672 Increase lubricantrsquos flow-ability when compressor restarts after long-term stop 6 Connection for Pressure Differential Switch 106267210626721062672106267210626721062672 Easily detect clog in oil filter 106267210626721062672106267210626721062672 Assure effective capacity modulation and lubrication
Other Advantages 1062672 Low noise level and minimum vibration 1062672 Fewer quantity of parts in screw compressor than those in reciprocating compressor 1062672 Easy for maintenance and overhaul 1062672 Compact geometry easy for layout
Approval and Certification 1062672 Production by SOP conformed to major quality standards 1062672 Approved by ISO 9001-2000 UL CE(PED) Electronic Apparatus for Explosive Atmospheres (EX China) Lloydrsquos Register (vessel) Symbol of Excellence in Taiwan
ENER-SAVE SDN BHD Hydrocarbon Air Cooled Screw Chiller
P a g e | 11 Switch to Green Save the Environment Save The EARTH
Refrigerant Gas Selection
Hydrocarbon Refrigerant Gas HC refrigerant is designed to replace ozone-depleting global-warming refrigerants HC
Refrigerants are made of natural organic compounds mdash not a blend of pre-existing
chemically based synthetic refrigerants
In fact HC Refrigerant products can actually enhance the life and performance of air-
conditioning and refrigeration system Thanks to an anti-friction additive and their excellent
thermal and chemical stability After more than 12 years of extensive testing itrsquos clear that HC
Refrigerant Products provide more efficient performance than the man-made synthetic
refrigerants they replace
OR ENER-SAVE R600a is designed as direct replace and
retrofit refrigerant gas for Ozone Depleting refrigerant R12 (CFC) or Global Warming
refrigerant gas R134a (HFC)
OR ENER-SAVE R290 is designed as direct replace and
retrofit refrigerant gas for ozone depleting refrigerant gas R22 (HCFC) Global Warming
Refrigerant gas R410a R411a and R407C
A Natural Solution to a Global Dilemma
A growing awareness of the environmental issues facing our planet has motivated many world
leaders and governments to embrace hydrocarbon technology as a long-term solution to
environmental concerns The European Common has adopted a new Standard EN 378 which
provides guidelines for the use and installation of hydrocarbon refrigerants in over 14
European countries In the past five years alone more than 8 million refrigerators and freezers
were manufactured in Germany and Denmark utilizing hydrocarbon technology
Features of HC Refrigerant Benefits
bull Highly efficient
bull Non-ozone depleting
bull Non-corrosive
bull Non-toxic
bull Non-global warming
bull Molecule Lighter
bull Energy Saving
bull Environmental Friendly
bull Enhance Life and Performance of AC System
ENER-SAVE SDN BHD Hydrocarbon Air Cooled Screw Chiller
P a g e | 12 Switch to Green Save the Environment Save The EARTH
In the US ASHRAE has rewritten Standard 15 to provide a framework for greater use of
hydrocarbon refrigerants In the past ten years more than one million gallons of our HC
Refrigerant has been used to cool between 3 million and 5 million motor vehicles throughout
North America During that period there have been no reported accidents or injuries
attributed to the use of our products
Hydrocarbon refrigerant gas helps to stop ozone depleting (ODP= 0) amp reduce the global-
warming crisis (GWP lt 3) fully compliance with UN Montreal Protocol amp Kyoto Protocol
Refrigerants Hydrocarbons (HC)
Chlorofluorocarbons (CFC)
Hydro Chlorofluorocarbons
(HCFC)
Hydro Fluorocarbons
(HFC)
ODP 0 09 004 0
GWP (CO2 = 1 100 year Basic)
3 10600 1800 1600
Ozone Depleting Substances controlled by UN Montreal Protocol
Global Warming Substances gt150 controlled by Kyoto Protocol
Label on Hydrocarbon Chiller
ENER-SAVE SDN BHD Hydrocarbon Air Cooled Screw Chiller
P a g e | 13 Switch to Green Save the Environment Save The EARTH
ENER-SAVE SDN BHD Hydrocarbon Air Cooled Screw Chiller
P a g e | 14 Switch to Green Save the Environment Save The EARTH
Safety Guideline and Minimum Room Ventilation
General Safety Issues All hydrocarbon refrigerants are highly flammable but non-toxic This gives them an ldquoA3rdquo classification according to MS 26782017 Reference should be made to this Standard which details the requirements for the safe use of flammable refrigerants in commercial and industrial applications For more detailed information on these safety requirements refer to the Institute of Refrigeration Safety Code for A3 refrigerants There are many other safety requirements that should be considered in the design and construction of all refrigerating and air conditioning installations regardless of the flammability of the refrigerant used General safety standards and codes of practice referenced in this document should be consulted for this additional information Allowable Refrigerant Charge The limiting factor associated with the use of hydrocarbon refrigerants is the refrigerant charge size the occupancy category and the room size The charge size requirements according to MS 26782017 are detailed in Table below Table Charge size requirements for various location categories
Systems with charge sizes of 015kg or less can be installed in any size of room Systems with charge size of more than 015kg room size should be such that a sudden loss of refrigerant shall not raise the mean concentration in the room above the practical limit (approximately 0008kgm3) Room Ventilation and Refrigerant Detection ldquoRefrigeration machinery rooms should be vented to the outside air by means of natural or mechanical ventilation Free Air Movement (All) ldquoEnsure that free air movement can be achieved around all refrigerant containing parts of the system Openings for outside air should be positioned such that short circuiting does not occurrdquo
ENER-SAVE SDN BHD Hydrocarbon Air Cooled Screw Chiller
P a g e | 15 Switch to Green Save the Environment Save The EARTH
Mechanical Ventilation (All) Where the refrigerant charge of a single refrigerating circuit exceeds the mass in Equation below a machinery room containing HC refrigerants must employ mechanical ventilation capable of providing the minimum ventilation rate The minimum ventilation rate depends upon the type of electrical protection within the machinery room Where the installation is protected according to the mechanical ventilation rate should be equivalent to at least 10-room volume changes per hour
Eg Minimum ventilation fan flow rate for extraction Vmin
Vmin = 0004 x m LFL
Where
Vmin = minimum volume flow rate of extract fan m3 s
m = largest mass of refrigerant within any single circuit of any refrigerating system kg
(lb)
LFL = Lower Flammability Limit of refrigerant kgm3
Vmin = = 0004 x 22kg 0038kgm3 = 232m3s
Suggested Ventilation Fan should be more than 232 m3s flow rate for
Ener-Save Hydrocarbon Air Cooled Screw Chiller
ldquoIn all cases a refrigerant detector should be linked into the initiation of mechanical ventilation The location of the sampling point should be at low level (where heavier than air refrigerants are used) The ventilation must either be running continuously or use a refrigerant detector starting device set at 25 of the Lower Flammability Level (LFL) Lower ventilation rates can be initiated upon detection of lower refrigerant concentrationsrdquo ldquoThe inlet of the extract ventilation should be located at floor level and ducted to a safe location Discharge points for vented air or openings for fresh air shall be positioned so as to avoid discharged air being drawn back in the building such as ventilation system inlets opening windows and doors and sources of ignition The rejection of flammable materials shall not present a hazard externally such as entering a building or being in contact with sources of ignition The mechanical ventilation system should be designed to maintain the room at a lower pressure than surrounding areas so that there will be no escape of leaked refrigerants to other areas Fans for mechanical ventilation should use motors of non-sparking type and the fan blades and cowling should be designed so as to avoid sparking as a result of metal-to-metal contact Mechanical ventilation equipment should be installed with independent emergency control located outside of and near to the machinery roomrdquo
ENER-SAVE SDN BHD Hydrocarbon Air Cooled Screw Chiller
P a g e | 16 Switch to Green Save the Environment Save The EARTH
Authorized and Qualified Installer
Product Manufacturer and HC Trainer
ENER-SAVE SDN BHD
(661220-A) Tel +607-557 2669 Fax +607-558 2669
Todays Savings Tomorrows Sustainable Living Switch To Green Save The Environment Save The Earth We Specialise in Natural Green Refrigerant - Hydrocarbon
ENER-SAVE SDN BHD Hydrocarbon Air Cooled Screw Chiller
P a g e | 11 Switch to Green Save the Environment Save The EARTH
Refrigerant Gas Selection
Hydrocarbon Refrigerant Gas HC refrigerant is designed to replace ozone-depleting global-warming refrigerants HC
Refrigerants are made of natural organic compounds mdash not a blend of pre-existing
chemically based synthetic refrigerants
In fact HC Refrigerant products can actually enhance the life and performance of air-
conditioning and refrigeration system Thanks to an anti-friction additive and their excellent
thermal and chemical stability After more than 12 years of extensive testing itrsquos clear that HC
Refrigerant Products provide more efficient performance than the man-made synthetic
refrigerants they replace
OR ENER-SAVE R600a is designed as direct replace and
retrofit refrigerant gas for Ozone Depleting refrigerant R12 (CFC) or Global Warming
refrigerant gas R134a (HFC)
OR ENER-SAVE R290 is designed as direct replace and
retrofit refrigerant gas for ozone depleting refrigerant gas R22 (HCFC) Global Warming
Refrigerant gas R410a R411a and R407C
A Natural Solution to a Global Dilemma
A growing awareness of the environmental issues facing our planet has motivated many world
leaders and governments to embrace hydrocarbon technology as a long-term solution to
environmental concerns The European Common has adopted a new Standard EN 378 which
provides guidelines for the use and installation of hydrocarbon refrigerants in over 14
European countries In the past five years alone more than 8 million refrigerators and freezers
were manufactured in Germany and Denmark utilizing hydrocarbon technology
Features of HC Refrigerant Benefits
bull Highly efficient
bull Non-ozone depleting
bull Non-corrosive
bull Non-toxic
bull Non-global warming
bull Molecule Lighter
bull Energy Saving
bull Environmental Friendly
bull Enhance Life and Performance of AC System
ENER-SAVE SDN BHD Hydrocarbon Air Cooled Screw Chiller
P a g e | 12 Switch to Green Save the Environment Save The EARTH
In the US ASHRAE has rewritten Standard 15 to provide a framework for greater use of
hydrocarbon refrigerants In the past ten years more than one million gallons of our HC
Refrigerant has been used to cool between 3 million and 5 million motor vehicles throughout
North America During that period there have been no reported accidents or injuries
attributed to the use of our products
Hydrocarbon refrigerant gas helps to stop ozone depleting (ODP= 0) amp reduce the global-
warming crisis (GWP lt 3) fully compliance with UN Montreal Protocol amp Kyoto Protocol
Refrigerants Hydrocarbons (HC)
Chlorofluorocarbons (CFC)
Hydro Chlorofluorocarbons
(HCFC)
Hydro Fluorocarbons
(HFC)
ODP 0 09 004 0
GWP (CO2 = 1 100 year Basic)
3 10600 1800 1600
Ozone Depleting Substances controlled by UN Montreal Protocol
Global Warming Substances gt150 controlled by Kyoto Protocol
Label on Hydrocarbon Chiller
ENER-SAVE SDN BHD Hydrocarbon Air Cooled Screw Chiller
P a g e | 13 Switch to Green Save the Environment Save The EARTH
ENER-SAVE SDN BHD Hydrocarbon Air Cooled Screw Chiller
P a g e | 14 Switch to Green Save the Environment Save The EARTH
Safety Guideline and Minimum Room Ventilation
General Safety Issues All hydrocarbon refrigerants are highly flammable but non-toxic This gives them an ldquoA3rdquo classification according to MS 26782017 Reference should be made to this Standard which details the requirements for the safe use of flammable refrigerants in commercial and industrial applications For more detailed information on these safety requirements refer to the Institute of Refrigeration Safety Code for A3 refrigerants There are many other safety requirements that should be considered in the design and construction of all refrigerating and air conditioning installations regardless of the flammability of the refrigerant used General safety standards and codes of practice referenced in this document should be consulted for this additional information Allowable Refrigerant Charge The limiting factor associated with the use of hydrocarbon refrigerants is the refrigerant charge size the occupancy category and the room size The charge size requirements according to MS 26782017 are detailed in Table below Table Charge size requirements for various location categories
Systems with charge sizes of 015kg or less can be installed in any size of room Systems with charge size of more than 015kg room size should be such that a sudden loss of refrigerant shall not raise the mean concentration in the room above the practical limit (approximately 0008kgm3) Room Ventilation and Refrigerant Detection ldquoRefrigeration machinery rooms should be vented to the outside air by means of natural or mechanical ventilation Free Air Movement (All) ldquoEnsure that free air movement can be achieved around all refrigerant containing parts of the system Openings for outside air should be positioned such that short circuiting does not occurrdquo
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Mechanical Ventilation (All) Where the refrigerant charge of a single refrigerating circuit exceeds the mass in Equation below a machinery room containing HC refrigerants must employ mechanical ventilation capable of providing the minimum ventilation rate The minimum ventilation rate depends upon the type of electrical protection within the machinery room Where the installation is protected according to the mechanical ventilation rate should be equivalent to at least 10-room volume changes per hour
Eg Minimum ventilation fan flow rate for extraction Vmin
Vmin = 0004 x m LFL
Where
Vmin = minimum volume flow rate of extract fan m3 s
m = largest mass of refrigerant within any single circuit of any refrigerating system kg
(lb)
LFL = Lower Flammability Limit of refrigerant kgm3
Vmin = = 0004 x 22kg 0038kgm3 = 232m3s
Suggested Ventilation Fan should be more than 232 m3s flow rate for
Ener-Save Hydrocarbon Air Cooled Screw Chiller
ldquoIn all cases a refrigerant detector should be linked into the initiation of mechanical ventilation The location of the sampling point should be at low level (where heavier than air refrigerants are used) The ventilation must either be running continuously or use a refrigerant detector starting device set at 25 of the Lower Flammability Level (LFL) Lower ventilation rates can be initiated upon detection of lower refrigerant concentrationsrdquo ldquoThe inlet of the extract ventilation should be located at floor level and ducted to a safe location Discharge points for vented air or openings for fresh air shall be positioned so as to avoid discharged air being drawn back in the building such as ventilation system inlets opening windows and doors and sources of ignition The rejection of flammable materials shall not present a hazard externally such as entering a building or being in contact with sources of ignition The mechanical ventilation system should be designed to maintain the room at a lower pressure than surrounding areas so that there will be no escape of leaked refrigerants to other areas Fans for mechanical ventilation should use motors of non-sparking type and the fan blades and cowling should be designed so as to avoid sparking as a result of metal-to-metal contact Mechanical ventilation equipment should be installed with independent emergency control located outside of and near to the machinery roomrdquo
ENER-SAVE SDN BHD Hydrocarbon Air Cooled Screw Chiller
P a g e | 16 Switch to Green Save the Environment Save The EARTH
Authorized and Qualified Installer
Product Manufacturer and HC Trainer
ENER-SAVE SDN BHD
(661220-A) Tel +607-557 2669 Fax +607-558 2669
Todays Savings Tomorrows Sustainable Living Switch To Green Save The Environment Save The Earth We Specialise in Natural Green Refrigerant - Hydrocarbon
ENER-SAVE SDN BHD Hydrocarbon Air Cooled Screw Chiller
P a g e | 12 Switch to Green Save the Environment Save The EARTH
In the US ASHRAE has rewritten Standard 15 to provide a framework for greater use of
hydrocarbon refrigerants In the past ten years more than one million gallons of our HC
Refrigerant has been used to cool between 3 million and 5 million motor vehicles throughout
North America During that period there have been no reported accidents or injuries
attributed to the use of our products
Hydrocarbon refrigerant gas helps to stop ozone depleting (ODP= 0) amp reduce the global-
warming crisis (GWP lt 3) fully compliance with UN Montreal Protocol amp Kyoto Protocol
Refrigerants Hydrocarbons (HC)
Chlorofluorocarbons (CFC)
Hydro Chlorofluorocarbons
(HCFC)
Hydro Fluorocarbons
(HFC)
ODP 0 09 004 0
GWP (CO2 = 1 100 year Basic)
3 10600 1800 1600
Ozone Depleting Substances controlled by UN Montreal Protocol
Global Warming Substances gt150 controlled by Kyoto Protocol
Label on Hydrocarbon Chiller
ENER-SAVE SDN BHD Hydrocarbon Air Cooled Screw Chiller
P a g e | 13 Switch to Green Save the Environment Save The EARTH
ENER-SAVE SDN BHD Hydrocarbon Air Cooled Screw Chiller
P a g e | 14 Switch to Green Save the Environment Save The EARTH
Safety Guideline and Minimum Room Ventilation
General Safety Issues All hydrocarbon refrigerants are highly flammable but non-toxic This gives them an ldquoA3rdquo classification according to MS 26782017 Reference should be made to this Standard which details the requirements for the safe use of flammable refrigerants in commercial and industrial applications For more detailed information on these safety requirements refer to the Institute of Refrigeration Safety Code for A3 refrigerants There are many other safety requirements that should be considered in the design and construction of all refrigerating and air conditioning installations regardless of the flammability of the refrigerant used General safety standards and codes of practice referenced in this document should be consulted for this additional information Allowable Refrigerant Charge The limiting factor associated with the use of hydrocarbon refrigerants is the refrigerant charge size the occupancy category and the room size The charge size requirements according to MS 26782017 are detailed in Table below Table Charge size requirements for various location categories
Systems with charge sizes of 015kg or less can be installed in any size of room Systems with charge size of more than 015kg room size should be such that a sudden loss of refrigerant shall not raise the mean concentration in the room above the practical limit (approximately 0008kgm3) Room Ventilation and Refrigerant Detection ldquoRefrigeration machinery rooms should be vented to the outside air by means of natural or mechanical ventilation Free Air Movement (All) ldquoEnsure that free air movement can be achieved around all refrigerant containing parts of the system Openings for outside air should be positioned such that short circuiting does not occurrdquo
ENER-SAVE SDN BHD Hydrocarbon Air Cooled Screw Chiller
P a g e | 15 Switch to Green Save the Environment Save The EARTH
Mechanical Ventilation (All) Where the refrigerant charge of a single refrigerating circuit exceeds the mass in Equation below a machinery room containing HC refrigerants must employ mechanical ventilation capable of providing the minimum ventilation rate The minimum ventilation rate depends upon the type of electrical protection within the machinery room Where the installation is protected according to the mechanical ventilation rate should be equivalent to at least 10-room volume changes per hour
Eg Minimum ventilation fan flow rate for extraction Vmin
Vmin = 0004 x m LFL
Where
Vmin = minimum volume flow rate of extract fan m3 s
m = largest mass of refrigerant within any single circuit of any refrigerating system kg
(lb)
LFL = Lower Flammability Limit of refrigerant kgm3
Vmin = = 0004 x 22kg 0038kgm3 = 232m3s
Suggested Ventilation Fan should be more than 232 m3s flow rate for
Ener-Save Hydrocarbon Air Cooled Screw Chiller
ldquoIn all cases a refrigerant detector should be linked into the initiation of mechanical ventilation The location of the sampling point should be at low level (where heavier than air refrigerants are used) The ventilation must either be running continuously or use a refrigerant detector starting device set at 25 of the Lower Flammability Level (LFL) Lower ventilation rates can be initiated upon detection of lower refrigerant concentrationsrdquo ldquoThe inlet of the extract ventilation should be located at floor level and ducted to a safe location Discharge points for vented air or openings for fresh air shall be positioned so as to avoid discharged air being drawn back in the building such as ventilation system inlets opening windows and doors and sources of ignition The rejection of flammable materials shall not present a hazard externally such as entering a building or being in contact with sources of ignition The mechanical ventilation system should be designed to maintain the room at a lower pressure than surrounding areas so that there will be no escape of leaked refrigerants to other areas Fans for mechanical ventilation should use motors of non-sparking type and the fan blades and cowling should be designed so as to avoid sparking as a result of metal-to-metal contact Mechanical ventilation equipment should be installed with independent emergency control located outside of and near to the machinery roomrdquo
ENER-SAVE SDN BHD Hydrocarbon Air Cooled Screw Chiller
P a g e | 16 Switch to Green Save the Environment Save The EARTH
Authorized and Qualified Installer
Product Manufacturer and HC Trainer
ENER-SAVE SDN BHD
(661220-A) Tel +607-557 2669 Fax +607-558 2669
Todays Savings Tomorrows Sustainable Living Switch To Green Save The Environment Save The Earth We Specialise in Natural Green Refrigerant - Hydrocarbon
ENER-SAVE SDN BHD Hydrocarbon Air Cooled Screw Chiller
P a g e | 13 Switch to Green Save the Environment Save The EARTH
ENER-SAVE SDN BHD Hydrocarbon Air Cooled Screw Chiller
P a g e | 14 Switch to Green Save the Environment Save The EARTH
Safety Guideline and Minimum Room Ventilation
General Safety Issues All hydrocarbon refrigerants are highly flammable but non-toxic This gives them an ldquoA3rdquo classification according to MS 26782017 Reference should be made to this Standard which details the requirements for the safe use of flammable refrigerants in commercial and industrial applications For more detailed information on these safety requirements refer to the Institute of Refrigeration Safety Code for A3 refrigerants There are many other safety requirements that should be considered in the design and construction of all refrigerating and air conditioning installations regardless of the flammability of the refrigerant used General safety standards and codes of practice referenced in this document should be consulted for this additional information Allowable Refrigerant Charge The limiting factor associated with the use of hydrocarbon refrigerants is the refrigerant charge size the occupancy category and the room size The charge size requirements according to MS 26782017 are detailed in Table below Table Charge size requirements for various location categories
Systems with charge sizes of 015kg or less can be installed in any size of room Systems with charge size of more than 015kg room size should be such that a sudden loss of refrigerant shall not raise the mean concentration in the room above the practical limit (approximately 0008kgm3) Room Ventilation and Refrigerant Detection ldquoRefrigeration machinery rooms should be vented to the outside air by means of natural or mechanical ventilation Free Air Movement (All) ldquoEnsure that free air movement can be achieved around all refrigerant containing parts of the system Openings for outside air should be positioned such that short circuiting does not occurrdquo
ENER-SAVE SDN BHD Hydrocarbon Air Cooled Screw Chiller
P a g e | 15 Switch to Green Save the Environment Save The EARTH
Mechanical Ventilation (All) Where the refrigerant charge of a single refrigerating circuit exceeds the mass in Equation below a machinery room containing HC refrigerants must employ mechanical ventilation capable of providing the minimum ventilation rate The minimum ventilation rate depends upon the type of electrical protection within the machinery room Where the installation is protected according to the mechanical ventilation rate should be equivalent to at least 10-room volume changes per hour
Eg Minimum ventilation fan flow rate for extraction Vmin
Vmin = 0004 x m LFL
Where
Vmin = minimum volume flow rate of extract fan m3 s
m = largest mass of refrigerant within any single circuit of any refrigerating system kg
(lb)
LFL = Lower Flammability Limit of refrigerant kgm3
Vmin = = 0004 x 22kg 0038kgm3 = 232m3s
Suggested Ventilation Fan should be more than 232 m3s flow rate for
Ener-Save Hydrocarbon Air Cooled Screw Chiller
ldquoIn all cases a refrigerant detector should be linked into the initiation of mechanical ventilation The location of the sampling point should be at low level (where heavier than air refrigerants are used) The ventilation must either be running continuously or use a refrigerant detector starting device set at 25 of the Lower Flammability Level (LFL) Lower ventilation rates can be initiated upon detection of lower refrigerant concentrationsrdquo ldquoThe inlet of the extract ventilation should be located at floor level and ducted to a safe location Discharge points for vented air or openings for fresh air shall be positioned so as to avoid discharged air being drawn back in the building such as ventilation system inlets opening windows and doors and sources of ignition The rejection of flammable materials shall not present a hazard externally such as entering a building or being in contact with sources of ignition The mechanical ventilation system should be designed to maintain the room at a lower pressure than surrounding areas so that there will be no escape of leaked refrigerants to other areas Fans for mechanical ventilation should use motors of non-sparking type and the fan blades and cowling should be designed so as to avoid sparking as a result of metal-to-metal contact Mechanical ventilation equipment should be installed with independent emergency control located outside of and near to the machinery roomrdquo
ENER-SAVE SDN BHD Hydrocarbon Air Cooled Screw Chiller
P a g e | 16 Switch to Green Save the Environment Save The EARTH
Authorized and Qualified Installer
Product Manufacturer and HC Trainer
ENER-SAVE SDN BHD
(661220-A) Tel +607-557 2669 Fax +607-558 2669
Todays Savings Tomorrows Sustainable Living Switch To Green Save The Environment Save The Earth We Specialise in Natural Green Refrigerant - Hydrocarbon
ENER-SAVE SDN BHD Hydrocarbon Air Cooled Screw Chiller
P a g e | 14 Switch to Green Save the Environment Save The EARTH
Safety Guideline and Minimum Room Ventilation
General Safety Issues All hydrocarbon refrigerants are highly flammable but non-toxic This gives them an ldquoA3rdquo classification according to MS 26782017 Reference should be made to this Standard which details the requirements for the safe use of flammable refrigerants in commercial and industrial applications For more detailed information on these safety requirements refer to the Institute of Refrigeration Safety Code for A3 refrigerants There are many other safety requirements that should be considered in the design and construction of all refrigerating and air conditioning installations regardless of the flammability of the refrigerant used General safety standards and codes of practice referenced in this document should be consulted for this additional information Allowable Refrigerant Charge The limiting factor associated with the use of hydrocarbon refrigerants is the refrigerant charge size the occupancy category and the room size The charge size requirements according to MS 26782017 are detailed in Table below Table Charge size requirements for various location categories
Systems with charge sizes of 015kg or less can be installed in any size of room Systems with charge size of more than 015kg room size should be such that a sudden loss of refrigerant shall not raise the mean concentration in the room above the practical limit (approximately 0008kgm3) Room Ventilation and Refrigerant Detection ldquoRefrigeration machinery rooms should be vented to the outside air by means of natural or mechanical ventilation Free Air Movement (All) ldquoEnsure that free air movement can be achieved around all refrigerant containing parts of the system Openings for outside air should be positioned such that short circuiting does not occurrdquo
ENER-SAVE SDN BHD Hydrocarbon Air Cooled Screw Chiller
P a g e | 15 Switch to Green Save the Environment Save The EARTH
Mechanical Ventilation (All) Where the refrigerant charge of a single refrigerating circuit exceeds the mass in Equation below a machinery room containing HC refrigerants must employ mechanical ventilation capable of providing the minimum ventilation rate The minimum ventilation rate depends upon the type of electrical protection within the machinery room Where the installation is protected according to the mechanical ventilation rate should be equivalent to at least 10-room volume changes per hour
Eg Minimum ventilation fan flow rate for extraction Vmin
Vmin = 0004 x m LFL
Where
Vmin = minimum volume flow rate of extract fan m3 s
m = largest mass of refrigerant within any single circuit of any refrigerating system kg
(lb)
LFL = Lower Flammability Limit of refrigerant kgm3
Vmin = = 0004 x 22kg 0038kgm3 = 232m3s
Suggested Ventilation Fan should be more than 232 m3s flow rate for
Ener-Save Hydrocarbon Air Cooled Screw Chiller
ldquoIn all cases a refrigerant detector should be linked into the initiation of mechanical ventilation The location of the sampling point should be at low level (where heavier than air refrigerants are used) The ventilation must either be running continuously or use a refrigerant detector starting device set at 25 of the Lower Flammability Level (LFL) Lower ventilation rates can be initiated upon detection of lower refrigerant concentrationsrdquo ldquoThe inlet of the extract ventilation should be located at floor level and ducted to a safe location Discharge points for vented air or openings for fresh air shall be positioned so as to avoid discharged air being drawn back in the building such as ventilation system inlets opening windows and doors and sources of ignition The rejection of flammable materials shall not present a hazard externally such as entering a building or being in contact with sources of ignition The mechanical ventilation system should be designed to maintain the room at a lower pressure than surrounding areas so that there will be no escape of leaked refrigerants to other areas Fans for mechanical ventilation should use motors of non-sparking type and the fan blades and cowling should be designed so as to avoid sparking as a result of metal-to-metal contact Mechanical ventilation equipment should be installed with independent emergency control located outside of and near to the machinery roomrdquo
ENER-SAVE SDN BHD Hydrocarbon Air Cooled Screw Chiller
P a g e | 16 Switch to Green Save the Environment Save The EARTH
Authorized and Qualified Installer
Product Manufacturer and HC Trainer
ENER-SAVE SDN BHD
(661220-A) Tel +607-557 2669 Fax +607-558 2669
Todays Savings Tomorrows Sustainable Living Switch To Green Save The Environment Save The Earth We Specialise in Natural Green Refrigerant - Hydrocarbon
ENER-SAVE SDN BHD Hydrocarbon Air Cooled Screw Chiller
P a g e | 15 Switch to Green Save the Environment Save The EARTH
Mechanical Ventilation (All) Where the refrigerant charge of a single refrigerating circuit exceeds the mass in Equation below a machinery room containing HC refrigerants must employ mechanical ventilation capable of providing the minimum ventilation rate The minimum ventilation rate depends upon the type of electrical protection within the machinery room Where the installation is protected according to the mechanical ventilation rate should be equivalent to at least 10-room volume changes per hour
Eg Minimum ventilation fan flow rate for extraction Vmin
Vmin = 0004 x m LFL
Where
Vmin = minimum volume flow rate of extract fan m3 s
m = largest mass of refrigerant within any single circuit of any refrigerating system kg
(lb)
LFL = Lower Flammability Limit of refrigerant kgm3
Vmin = = 0004 x 22kg 0038kgm3 = 232m3s
Suggested Ventilation Fan should be more than 232 m3s flow rate for
Ener-Save Hydrocarbon Air Cooled Screw Chiller
ldquoIn all cases a refrigerant detector should be linked into the initiation of mechanical ventilation The location of the sampling point should be at low level (where heavier than air refrigerants are used) The ventilation must either be running continuously or use a refrigerant detector starting device set at 25 of the Lower Flammability Level (LFL) Lower ventilation rates can be initiated upon detection of lower refrigerant concentrationsrdquo ldquoThe inlet of the extract ventilation should be located at floor level and ducted to a safe location Discharge points for vented air or openings for fresh air shall be positioned so as to avoid discharged air being drawn back in the building such as ventilation system inlets opening windows and doors and sources of ignition The rejection of flammable materials shall not present a hazard externally such as entering a building or being in contact with sources of ignition The mechanical ventilation system should be designed to maintain the room at a lower pressure than surrounding areas so that there will be no escape of leaked refrigerants to other areas Fans for mechanical ventilation should use motors of non-sparking type and the fan blades and cowling should be designed so as to avoid sparking as a result of metal-to-metal contact Mechanical ventilation equipment should be installed with independent emergency control located outside of and near to the machinery roomrdquo
ENER-SAVE SDN BHD Hydrocarbon Air Cooled Screw Chiller
P a g e | 16 Switch to Green Save the Environment Save The EARTH
Authorized and Qualified Installer
Product Manufacturer and HC Trainer
ENER-SAVE SDN BHD
(661220-A) Tel +607-557 2669 Fax +607-558 2669
Todays Savings Tomorrows Sustainable Living Switch To Green Save The Environment Save The Earth We Specialise in Natural Green Refrigerant - Hydrocarbon
ENER-SAVE SDN BHD Hydrocarbon Air Cooled Screw Chiller
P a g e | 16 Switch to Green Save the Environment Save The EARTH
Authorized and Qualified Installer
Product Manufacturer and HC Trainer
ENER-SAVE SDN BHD
(661220-A) Tel +607-557 2669 Fax +607-558 2669
Todays Savings Tomorrows Sustainable Living Switch To Green Save The Environment Save The Earth We Specialise in Natural Green Refrigerant - Hydrocarbon