drypoint ®®®® r rr rs sss 4c-500 hp50 · en operating manual maintenance manual spare parts...
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EN
Operating manual Maintenance manual
Spare parts
Refrigerating air dryer
DRYPOINTDRYPOINTDRYPOINTDRYPOINT®®®® R R R RSSSS 4C-500 HP50
2 DRYPOINT RS 4C – 500 HP50
Dear Customer, thank you for choosing our product. In order to get the best performances out of this product, please read this manual carefully. To avoid incorrect operation of the equipment and possible physical risk to the operator, please read and strictly follow the instructions contained in this manual. Note, these instructions are in addition to the safety rules that apply in the country where the dryer is installed. Before packing for shipment each DRYPOINT RS HP50 series refrigerated air dryer undergoes a rigorous test to ensure the absence of any manufacturing faults and to demonstrate that the device can perform all the functions for which it has been designed. Once the dryer has been properly installed according to the instructions in this manual, it will be ready for use without any further adjustment. The operation is fully automatic, and the maintenance is limited to few controls and some cleaning operations, as detailed in the following chapters. This manual must be maintained available in any moment for future references and it has to be intended as inherent part of the relevant dryer. Due to the continuous technical evolution, we reserve the right to introduce any necessary change without giving previous notice. Should you experience any trouble, or for further information, please do not hesitate to contact us.
DATA NAMEPLATE
Model �
Product key � Serial n°. �
Nominal Flow Rate � Working pressure PS min/max �
Inlet temperature TS max � Ambient Temp. �
Refrigerant � Refrig. Design Pres. HP/LP �
Power supply � Electric Nominal Power �
Fuse Max. �
The data nameplate is located on the back of the dryer and shows all the primary data of the machine. Upon installation, fill in the table on the previous page with all the data shown on the data nameplate. This data should always be referred to when calling the manufacturer or distributor. The removal or alteration of the data nameplate will void the warranty rights.
Produktschlüssel:Product key:
Serial n° / year of building:Serienr. / Baujahr:
Nominal flow rate (ISO1217): m /h3
Working pressure PS min/max:
Nemmvolumenstrom (ISO1217):
Betriebsüberdruck PS min/max:bar(g)
Inlet temperature TS max:Eintrittstemperatur TS max:
°C
Ambient Temperature:Umgebungstemperatur:
°C
Refrigerant:Kältemittel:
kg
Refrig. Design Pres. HP/LP:Kältem. Auslegungsdruck HD/ND:
bar
Power supply:Elektrischer Anschluß:
ph/V/Hz
Electric Nominal Power:Elektrische Leistung:
W/A
Fuse protection max:Absicherung max:
A
DRYPOINT
BEKO TECHNOLOGIES GMBHIm Taubental 7, 41468 NeussGermanyhttp:// www.beko.de
TA
D00
03
Index
DRYPOINT RS 4C – 500 HP50 3
1. Safety rules....................................................................................................................................................5 1.1. Definition of the Conventional Signs Used in This Manual............................................................................5 1.2. Warnings .......................................................................................................................................................6 1.3. Proper Use of the Dryer.................................................................................................................................6 1.4. Instructions for the use of pressure equipment according to PED Directive 97/23/EC .................................7
2. Installation .....................................................................................................................................................7 2.1. Transport .......................................................................................................................................................7 2.2. Storage ..........................................................................................................................................................8 2.3. Installation site...............................................................................................................................................8 2.4. Installation layout ...........................................................................................................................................9 2.5. Correction factors ........................................................................................................................................10 2.6. Connection to the Compressed Air System ................................................................................................11 2.7. Connection to the Cooling Water Network (Water-Cooled) ........................................................................11 2.8. Electrical connections..................................................................................................................................12 2.9. Condensate Drain........................................................................................................................................12
3. Start up ........................................................................................................................................................13 3.1. Preliminary Operations ................................................................................................................................13 3.2. First start-up ................................................................................................................................................13 3.2.1. First start-up DRYPOINT RS 4C- 130 HP50...............................................................................................13 3.2.2. First start-up DRYPOINT RS 160-500 HP50 ..............................................................................................14 3.3. Start-up and shut down ...............................................................................................................................15 3.3.1. Marcia ed arresto DRYPOINT RS 4C- 130 HP50 .......................................................................................15 3.3.2. Start-up and shut down DRYPOINT RS 160-500 HP50..............................................................................16
4. Technical Specifications..............................................................................................................................17 4.1. Technical Specifications DRYPOINT RS 4C-130 HP50 /AC ......................................................................17 4.2. Technical Specifications DRYPOINT RS 160-500 HP50 /AC .....................................................................18 4.3. Technical Specifications DRYPOINT RS 4CP-50P HP50 /AC....................................................................19 4.4. Technical Specifications DRYPOINT RS 22E-130E HP50 /AC ..................................................................20 4.5. Technical Specifications DRYPOINT RS 160R-500R HP50 /AC................................................................21 4.6. Technical Specifications DRYPOINT RS 75-500 HP50 /WC......................................................................22 4.7. Technical Specifications DRYPOINT RS 75E-130E_160R-500R HP50 /WC.............................................23
5. Technical description...................................................................................................................................24 5.1. Control panel ...............................................................................................................................................24 5.2. Operation.....................................................................................................................................................24 5.3. Flow Diagram (Air-Cooled) ..........................................................................................................................25 5.4. Flow Diagram (Water-Cooled).....................................................................................................................25 5.5. Refrigerating compressor ...........................................................................................................................26 5.6. Condenser (Air-Cooled)...............................................................................................................................26 5.7. Condenser (Water-Cooled) .........................................................................................................................26 5.8. Condenser water regulating valve (Water-Cooled) .....................................................................................26 5.9. Filter Dryer ...................................................................................................................................................27 5.10. Capillary Tube..............................................................................................................................................27 5.11. Air-to-air heat exchanger .............................................................................................................................27 5.12. Evaporator ...................................................................................................................................................27 5.13. Condensate separator .................................................................................................................................27 5.14. Refrigerant relief valve.................................................................................................................................27 5.15. Hot Gas By-pass Valve ...............................................................................................................................28 5.16. Refrigerant Pressure Switches PA-PB-PV.....................................................................................................29 5.17. Safety thermo-switch Ts...............................................................................................................................29 5.18. Compressor crankcase heater (DRYPOINT RS 200-500 HP50)................................................................29 5.19. DMC15 Electronic Instrument (Air Dryer Controller) ...................................................................................30 5.20. DMC14 Electronic Instrument (Air Dryer Controller) ...................................................................................31 5.21. DMC20 Electronic Instrument (Air Dryer Controller) ...................................................................................32 5.22. Electronic level controlled condensate drain BEKOMAT.............................................................................38
6. Maintenance, troubleshooting, spares and dismantling ..............................................................................39 6.1. Controls and Maintenance...........................................................................................................................39 6.2. Troubleshooting...........................................................................................................................................40 6.2.1. Troubleshooting DRYPOINT RS 4C - 130 HP50 ........................................................................................40 6.2.2. Troubleshooting DRYPOINT RS 160-500 HP50.........................................................................................43 6.3. Spare Parts..................................................................................................................................................46 6.4. Maintenance operation on the refrigerating circuit .....................................................................................49 6.5. Dismantling of the Dryer ..............................................................................................................................49
Index
4 DRYPOINT RS 4C – 500 HP50
7. List of attachments ......................................................................................................................................50 7.1. Dryers Dimensions ......................................................................................................................................50 7.1.1. Dryers Dimensions DRYPOINT RS 4C-12C HP50 .....................................................................................50 7.1.2. Dryers Dimensions DRYPOINT RS 15-22 HP50 ........................................................................................50 7.1.3. Dryers Dimensions DRYPOINT RS 30-40 HP50 .......................................................................................51 7.1.4. Dryers Dimensions DRYPOINT RS 50-100 HP50 .....................................................................................51 7.1.5. Dryers Dimensions DRYPOINT RS 130-160 HP50 ...................................................................................52 7.1.6. Dryers Dimensions DRYPOINT RS 200-330 HP50 ...................................................................................52 7.1.7. Dryers Dimensions DRYPOINT RS 400-500 HP50 ...................................................................................52 7.2. Exploded View.............................................................................................................................................53 7.2.1. Exploded view table of components ............................................................................................................53 7.2.2. Exploded view DRYPOINT RS 4C HP50 ..................................................................................................54 7.2.3. Exploded view DRYPOINT RS 8C-12C HP50 ..........................................................................................55 7.2.4. Exploded view DRYPOINT RS 15-22 HP50..............................................................................................56 7.2.5. Exploded view DRYPOINT RS 30-50 HP50..............................................................................................57 7.2.6. Exploded view DRYPOINT RS 75-100 HP50............................................................................................58 7.2.7. Exploded view DRYPOINT RS 130 HP50..................................................................................................59 7.2.8. Exploded view DRYPOINT RS 160 HP50...................................................................................................60 7.2.9. Exploded view DRYPOINT RS 200-330 HP50............................................................................................61 7.2.10. Exploded view DRYPOINT RS 400-500 HP50............................................................................................62 7.3. Electrical Diagram .......................................................................................................................................63 7.3.1. Electrical Diagram table of components......................................................................................................63 7.3.2. Electrical Diagram DRYPOINT RS 4C-12C HP50 - Electronic Instrument DMC15...................................64 7.3.3. Electrical Diagram DRYPOINT RS 15-50 HP50 - Electronic Instrument DMC14 ......................................64 7.3.4. Electrical Diagram DRYPOINT RS 75-100 HP50 - Electronic Instrument DMC14 ....................................65 7.3.5. Electrical Diagram DRYPOINT RS 130 HP50 - Electronic Instrument DMC14 .........................................65 7.3.6. Electrical Diagram DRYPOINT RS 160 HP50 - Electronic Instrument DMC14 .........................................66 7.3.7. Electrical Diagram DRYPOINT RS 160 HP50 - Electronic Instrument DMC14 .........................................67 7.3.8. Electrical Diagram DRYPOINT RS 160 HP50 - Electronic Instrument DMC14 .........................................68 7.3.9. Electrical Diagram DRYPOINT RS 160 HP50 - Electronic Instrument DMC20 .........................................69 7.3.10. Electrical Diagram DRYPOINT RS 160 HP50 - Electronic Instrument DMC20 .........................................70 7.3.11. Electrical Diagram DRYPOINT RS 160 HP50 - Electronic Instrument DMC20 .........................................71 7.3.12. Electrical Diagram DRYPOINT RS 200-330 HP50 - Electronic Instrument DMC14 ..................................72 7.3.13. Electrical Diagram DRYPOINT RS 200-330 HP50 - Electronic Instrument DMC14 ..................................73 7.3.14. Electrical Diagram DRYPOINT RS 200-330 HP50 - Electronic Instrument DMC14 ..................................74 7.3.15. Electrical Diagram DRYPOINT RS 200-330 HP50 - Electronic Instrument DMC20 ..................................75 7.3.16. Electrical Diagram DRYPOINT RS 200-330 HP50 - Electronic Instrument DMC20 ..................................76 7.3.17. Electrical Diagram DRYPOINT RS 200-330 HP50 - Electronic Instrument DMC20 ..................................77 7.3.18. Electrical Diagram DRYPOINT RS 400-500 HP50 - Electronic Instrument DMC14 ..................................78 7.3.19. Electrical Diagram DRYPOINT RS 400-500 HP50 - Electronic Instrument DMC14 ..................................79 7.3.20. Electrical Diagram DRYPOINT RS 400-500 HP50 - Electronic Instrument DMC14 ..................................80 7.3.21. Electrical Diagram DRYPOINT RS 400-500 HP50 - Electronic Instrument DMC20 ..................................81 7.3.22. Electrical Diagram DRYPOINT RS 400-500 HP50 - Electronic Instrument DMC20 ..................................82 7.3.23. Electrical Diagram DRYPOINT RS 400-500 HP50 - Electronic Instrument DMC20 ..................................83
Safety rules
DRYPOINT RS 4C – 500 HP50 5
1. Safety rules
1.1. Definition of the Conventional Signs Used in T his Manual
Carefully read instruction manual before attempting any service or maintenance procedures on the dryer.
Caution warning sign. Risk of danger or possibility of damage to equipment, if related text is not followed properly.
Electrical hazard. Warning message indicates practices or procedures that could result in personal injury or fatality if not followed correctly.
Danger hazard. Part or system under pressure.
Danger hazard. High temperature conditions exist during operation of system. Avoid contact until system or component has dissipated heat.
Danger hazard. Treated air is not suitable for breathing purposes; serious injury or fatality may result if precautions are not followed.
Danger hazard: In case of fire, use an approved fire extinguisher, water is not an acceptable means in cases of fire.
Danger hazard. Do not operate equipment with panels removed.
Maintenance or control operation to be performed by qualified personnel only 1.
ARIAAIR
LUFTAIR
Compressed air inlet connection point
ARIAAIR
LUFTAIR
Compressed air outlet connection point
Condensate drain connection point
Cooling water inlet connection point (Water-Cooled)
Cooling water outlet connection point (Water-Cooled)
Operations which can be performed by the operator of the machine, if qualified 1.
NOTE:Text that specifies items of note to be taken into account does not involve safety precautions.
In designing this unit a lot of care has been devoted to environmental protection: • CFC free refrigerants • CFC free insulation parts • Energy saving design • Limited acoustic emission • Dryer and relevant packaging composed of recyclable materials This symbol requests that the user heed environmental considerations and abide with suggestions annotated with this symbol.
1 Experienced and trained personnel familiar with national and local codes, capable to perform the needed activities, identify and avoid possible dangerous situations while handling, installing, using and servicing the machine. Ensuring compliance to all statutory regulations.
Safety rules
6 DRYPOINT RS 4C – 500 HP50
1.2. Warnings
DANGER! Compressed air! Compressed air is a highly hazardous energy source. Never work on the dryer with pressure in the system. Never point the compressed air or the condensate drain outlet hoses towards anybody. The user is responsible for the proper installation of the dryer. Failure to follow instructions given in the “Installation” chapter will void the warranty. Improper installation can create dangerous situations for personnel and/or damages to the machine could occur.
DANGER! Supply voltage! Only qualified personnel are authorized to service electrically powered devices. Before attempting maintenance, the following conditions must be satisfied: • Ensure that main power is off, machine is locked out, tagged for service and power cannot be restored
during service operations. • Ensure that valves are shut and the air circuit is at atmospheric pressure. De-pressurize the dryer.
CAUTION! Refrigerant! These refrigerating air dryers contain R134a or R404A HFC type refrigerant fluid. Refer to the specific paragraph - maintenance operation on the refrigerating circuit.
WARNING! Unauthorized interference! Warranty does not apply to any unit damaged by accident, modification, misuse, negligence or misapplication. Unauthorized alterations will immediately void the warranty.
In case of fire, use an approved fire extinguisher, water is not an acceptable means in cases of electrical fire.
1.3. Proper Use of the Dryer This dryer has been designed, manufactured and tested for the purpose of separating the humidity normally contained in compressed air. Any other use has to be considered improper. The Manufacturer will not be responsible for any problem arising from improper use; the user will bear responsibility for any resulting damage. Moreover, the correct use requires the adherence to the installation instructions, specifically: • Voltage and frequency of the main power. • Pressure, temperature and flow-rate of the inlet air. • Pressure, temperature and cooling water capacity (Water-Cooled). • Ambient temperature. This dryer is supplied tested and fully assembled. The only operation left to the user is the connection to the plant in compliance with the instructions given in the following chapters.
WARNING! Improper use! The purpose of the machine is the separation of water and eventual oil particles present in compressed air. The dried air cannot be used for breathing purposes or for operations leading to direct contact with foodstuff. This dryer is not suitable for the treatment of dirty air or of air containing solid particles.
Installation
DRYPOINT RS 4C – 500 HP50 7
1.4. Instructions for the use of pressure equipment according to PED Directive 97/23/EC According to PED DIRECTIVE 97/23/EC models DRYPOINT RS 4C-40 HP50 are classified as category SEP (PxV < 50 barxl). To ensure the safe operation of pressure equipment, the user must conform strictly to the above directive and the following : 1. The equipment must only be operated within the temperature and pressure limits stated on the manufacturer’s
name/data plate. 2. Welding on heat-exchanger is not recommended. 3. The equipment must not be stored in badly ventilated spaces, near a heat source or inflammable substances; 4. Vibration must be eliminated from the equipment to prevent fatigue failure. 5. The presence of internal corrosion of the pressure equipment should be checked periodically as established
between the user and the National Authority. The actual wall thickness of the condensate separat or vessel after the corrosion (measured on the bottom head) m ust not be lower than 4.3 mm for models DRYPOINT RS 50-75 HP50, 4.8 mm for model DRYPOINT RS 100 HP 50 and 5.4 mm for models DRYPOINT RS 130-500 HP50.
6. Automatic condensate drains should be checked for operation every day to prevent a build up of condensate in the pressure equipment.
7. The maximum working pressure stated on the manufacturer’s data plate must not be exceeded. Prior to use, the user must fit safety / pressure relief devices.
8. All documentation supplied with the equipment (manual, declaration of conformity etc.) must be kept for future reference.
9. Do not apply weights or external loads on the vessel or its connecting piping.
WARNING! Unauthorized interference! Users of the equipment must comply with all local and national pressure equipment legislation in the country of installation.
2. Installation
2.1. Transport Check for visible loss or damage, if no visible damage is found place the unit near to the installation point and unpack the contents. • Always keep the dryer in the upright vertical position. Damage to components could result if unit is laid on its side or
if placed upside down. • Store machine in a clean, dry environment, do not expose to severe weather environments. • Handle with care. Heavy blows could cause irreparable damage.
Installation
8 DRYPOINT RS 4C – 500 HP50
2.2. Storage S
CC
0001
Even when packaged, keep the machine protected from severity of the weather. Keep the dryer in vertical position, also when stored. Turning it upside down some parts could be irreparably damaged. If not in use, the dryer can be stored in its packaging in a dust free and protected site at a maximum temperature of 50 °C, and a specific humidity not exceeding 90%. Should the stocking time exceed 12 months, please contact the manufacturer.
The packaging materials are recyclable. Dispose of material in compliance with the rules and regulations in force in the destination country.
2.3. Installation site
CAUTION! Ambient conditions! Failure to install dryer in the proper ambient conditions will affect the dryer’s ability to condense refrigerant gas. This can cause higher loads on the compressor, loss of dryer efficiency and performance, overheated condenser fan motors, electrical component failure and dryer failure due to the following: compressor loss, fan motor failure and electrical component failure. Failures of this type will affect warranty considerations. Do not install dryer in an environment of corrosive chemicals, explosive gasses, poisonous gasses; steam heat, areas of high ambient conditions or extreme dust and dirt.
In case of fire , use an approved fire extinguisher, water is not an acceptable means in cases of fire.
Minimum installation requirements:
• Select a clean dry area, free from dust, and protected from atmospheric disturbances.
• The supporting area must be smooth, horizontal and able to hold the weight of the dryer.
• Minimum ambient temperature +1°C. • Maximum ambient temperature 50°C. • Allow at least a clearance of 1 m on each side of the
dryer (2 m DRYPOINT RS 400-500 HP50 dryers, Air-Cooled models), for proper ventilation and to facilitate eventual maintenance operations.
The dryer doesn't require to be fixed to the supporting surface.
1 m
1 m 1 m
2m (
400-
500)
1m (
200-
330)
2 m (400-500)
LGT
0010
Installation
DRYPOINT RS 4C – 500 HP50 9
2.4. Installation layout
1 Air compressor
2 Aftercooler
3 Condensate separator
4 Pre-Filter (min. 5 micron)
5 By-pass group
6 Dryer
7 Compressed air tank
8 Final filter
9 Bekomat condensate drain
2
9 9 9 9
- A -
- B -
1
3
1
2
9
6
6
3
4
9 9
4
7
9
8
7
8
CAUTION! Polluted inlet air! In case of heavily polluted inlet air (ISO 8573.1 class 3.-.3 or worse quality), we recommend the additional installation of a pre-filter (f.e. CLEARPOINT F040) to prevent a clogging of the heat exchanger
Type A installation is suggested when the compressor operates at reduced intermittence and the total consumption equals the compressor flow rate. Type B installation is suggested when the air consumption can consistently change with peak values highly exceeding the flow rate of the compressor. The capacity of the tank must be sized in order to compensate eventual instantaneous demand conditions (peak air consumption).
Installation
10 DRYPOINT RS 4C – 500 HP50
2.5. Correction factors Correction factor for operating pressure changes : Inlet air pressure barg 15 20 25 30 35 40 45 50 Factor (F1) 0.74 0.82 0.87 0.92 0.96 1.00 1.03 1.06
Correction factor for ambient temperature changes: Ambient temperature ºC 25 30 35 40 45 50 Factor (F2) 1.00 0.99 0.97 0.93 0.88 0.81
Correction factor for inlet air temperature changes: Air temperature ºC 25 30 35 40 45 50 55 60 65 Factor (F3) 1.27 1.12 1.00 0.88 0.78 0.70 0.62 0.55 0.49
Correction factor for DewPoint changes: DewPoint ºC 3 5 7 10 Factor (F4) 1.00 1.09 1.19 1.37 How to find the air flow capacity:
Air flow capacity = Nominal duty x Factor (F1) x F actor (F2) x Factor (F3) x Factor (F4)
Example: A DRYPOINT RS 40 HP50 has a nominal duty of 240 m³/h . What is the maximum allowable flow through the dryer under the following operating conditions:
– Inlet air pressure = 50 barg
– Ambient temperature = 45°C
– Inlet air temperature = 50°C
– Pressure DewPoint = 10°C
� Factor (F1) = 1.06
� Factor (F2) = 0.88
� Factor (F3) = 0.70
� Factor (F4) = 1.37
Each item of data has a corresponding numerical factor which multiplied by the design air flow is as follows:
Air flow capacity = 240 x 1.06 x 0.88 x 0.70 x 1.3 7 = 215 m³/h
215 m³/h This is the maximum flow rate that the dryer can accept under these operating conditions.
How to select a suitable dryer for a given duty:
Design air flow Minimum std. air flow rate =
Factor (F1) x Factor (F2) x Factor (F3) x Factor (F 4)
Example: With the following operating parameters:
– Design air flow = 165 m³/h
– Inlet air pressure = 50 barg
– Ambient temperature = 45°C
– Inlet air temperature = 50°C
– Pressure DewPoint = 10°C
� Factor (F1) = 1.06
� Factor (F2) = 0.88
� Factor (F3) = 0.70
� Factor (F4) = 1.37
In order to select the correct dryer model the required flow rate is to be divided by the correction factors relating to above mentioned parameters:
165 Minimum std. air flow rate =
1.06 x 0.88 x 0.70 x 1.37 = 185 m³/h
Therefore the model suitable for the conditions above is DRYPOINT RS HP50 40 (240 m³/h nominal duty).
Installation
DRYPOINT RS 4C – 500 HP50 11
2.6. Connection to the Compressed Air System
DANGER! Compressed air! Operations to be performed by qualified personnel only. Never work on compressed air system under pressure. The user is responsible to ensure that the dryer will never be operated with pressure exceeding the maximum pressure rating on the unit data tag. Over-pressurizing the dryer could be dangerous for both the operator and the unit.
The air temperature and the flow entering the dryer must comply within the limits stated on the data nameplate. The system connecting piping must be kept free from dust, rust, chips and other impurities, and must be consistent with the flow-rate of the dryer. In case of treatment of air at particularly high temperature, the installation of a final refrigerator could result necessary. In order to perform maintenance operations, it recommended that a dryer by-pass system be installed as shown in the following illustration. In realising the dryer, particular measures have been taken in order to limit the vibration which could occur during the operation. Therefore we recommend to use connecting pipes able to insulate the dryer from possible vibrations originating from the line (flexible hoses, vibration damping fittings, etc.).
CAUTION:
Piping the dryer, inlet/outlet connections must be supported as show in the diagram. Failing will result in damage.
2.7. Connection to the Cooling Water Network (Water -Cooled)
DANGER! Compressed air and unqualified personnel! Operations to be performed by qualified personnel. Never operate with plants under pressure. The user is responsible to ensure that the dryer will never be operated with pressure exceeding the nominal values. Eventual over-pressure could be dangerous both for the operator and the machine.
The temperature and the amount of cooling water must comply with the limits indicated on the technical characteristics chart. The cross section of the connection pipes, preferably flexible, must be free from rust, chips and other impurities. We recommend to use connecting pipes able to insulate the dryer from possible vibrations originating from the line (flexible hoses, vibration damping fittings, etc.).
Installation
12 DRYPOINT RS 4C – 500 HP50
2.8. Electrical connections
DANGER! Supply voltage! Qualified personnel should carry out connecting unit to the main power. Be sure to check the local codes in your area.
Before connecting the unit to the electric power, verify that the voltage and the frequency available on the mains correspond to the data reported on the data plate of the dryer. In terms of voltage, a ±5% tolerance is allowed. The dryers DRYPOINT RS 4C-100 HP50 come with a mains connecting cable already installed and ending with a VDE 16A - Shucko plug; while the dryers DRYPOINT RS 130-500 HP50 come with an electric box for the connection to the mains. The mains socket must be provided with a mains magneto-thermal differential breaker (I∆n=0.03A), adjusted on the basis of the consumption of the dryer (see the nominal values on the data plate of the dryer). The cross section of the power supply cables must comply with the consumption of the dryer, while keeping into account also the ambient temperature, the conditions of the mains installation, the length of the cables, and the requirements enforced by the local Power Provider.
DANGER! Mains voltage and missing earthing! Important: ensure that the plant is earthed. Do not use any socket adapters at the mains plug. If the mains plug needs to be replaced, this must only be done by a qualified electrician
2.9. Condensate Drain
DANGER! Compressed air and pressurized condensate! The condensate is discharge at the system pressure. Drain line should be secured. Never point the condensate drain line towards anybody.
The dryer comes already fitted with an electronically level controlled BEKOMAT condensate drain. Connect and properly fasten the condensate drain to a collecting plant or container. The drain cannot be connected to pressurized systems.
Don’t dispose the condensate in the environment. The condensate collected in the dryer contains oil particles released in the air by the compressor. Dispose the condensate in compliance with the local rules. We suggest to install a water-oil separator where to convey all the condensate drain coming from compressors, dryers, tanks, filters, etc. We recommend ÖWAMAT oil-water separators for disperse compressor condensate, BEKOSPLIT emulsion splitters for emulsified condensate.
Start up
DRYPOINT RS 4C – 500 HP50 13
3. Start up
3.1. Preliminary Operations
CAUTION! Exceeding of operating parameters! Verify that the operating parameters match with the nominal values stated on the data nameplate of the dryer (voltage, frequency, air pressure, air temperature, ambient temperature, etc.).
This dryer has been thoroughly tested, packaged and inspected prior to shipment. Nevertheless, the unit could be damaged during transportation, check the integrity of the dryer during first start-up and monitor operation during the first hours of operation.
Qualified personnel must perform the first start-up. When installing and operating this equipment, comply with all National Electrical Code and any applicable federal, state and local codes. Who is operating the unit is responsible for the proper and safe operation of the dryer. Never operate equipment with panels removed.
3.2. First start-up 3.2.1. First start-up DRYPOINT RS 4C- 130 HP50
This procedure should be followed on first start-up, after periods of extended shutdown or following maintenance procedures. Qualified personnel must perform the start-up.
Sequence of operations (refer to paragraph 5.1 Cont rol Panel).
• Ensure that all the steps of the “Installation” chapter have been observed. • Ensure that the connection to the compressed air system is correct and that the piping is suitably fixed and
supported. • Ensure that the condensate drain pipe is properly fastened and connected to a collection system or container. • Ensure that the by-pass system (if installed) is open and the dryer is isolated • Ensure that the manual valve of the condensate drain circuit is open. • Ensure that the cooling water flow and temperature is adequate (Water-Cooled). • Remove any packaging and other material which could obstruct the area around the dryer. • Activate the mains switch. • Turn on the main switch - pos. 1 on the control panel. • Ensure that the electronic instrument is ON. • Ensure the consumption matches with the values of the data plate. • Ensure the fan work properly - wait for its first i nterventions (Air-Cooled). • Allow the dryer temperature to stabilise at the pre-set value. • Slowly open the air inlet valve. • Slowly open the air outlet valve. • Slowly close the central by-pass valve of the system (if installed). • Check the piping for air leakage. • Ensure the drain is regularly cycling - wait for its first interventions.
Start up
14 DRYPOINT RS 4C – 500 HP50
3.2.2. First start-up DRYPOINT RS 160-500 HP50
This procedure should be followed on first start-up, after periods of extended shutdown or following maintenance procedures. Qualified personnel must perform the start-up.
Sequence of operations (refer to paragraph 5.1 Cont rol Panel) :
DMC14 Electronic Instrument DMC20 Electronic Instru ment
• Ensure that all the steps of the “Installation” chapter have been observed.
• Ensure that the connection to the compressed air system is correct and that the piping is suitably fixed and supported.
• Ensure that the condensate drain pipe is properly fastened and connected to a collection system or container.
• Ensure that the by-pass system (if installed) is closed and the dryer is isolated.
• Ensure that the manual valve of the condensate drain circuit is open.
• Remove any packaging and other material which could obstruct the area around the dryer.
• Activate the mains switch. • Turn on the main switch - pos. 1 on the control panel. • Check that the mains detection light of the ON/OFF
button - pos. 4 of the control panel - is ON. • Wait at least two hours before starting the dryer
(compressor crankcase heater must heat the oil of the compressor) (DRYPOINT RS 200-500 HP50).
• Ensure the cooling water flow and temperature is adequate (Water-Cooled).
• Switch ON the dryer pressing the button "I - ON" of the ON/OFF switch - pos. 4 of the control panel.
• Ensure that DMC14 electronic instrument is ON. • Ensure the consumption matches with the values of the
data plate. • Check that the rotation direction of the fan
corresponds with the arrows on the condenser (Air-Cooled).
• Allow the dryer temperature to stabilise at the pre-set value.
• Slowly open the air inlet valve. • Slowly open the air outlet valve. • Slowly close the central by-pass valve of the system (if
installed). • Check the piping for air leakage. • Ensure the drain is regularly cycling - wait for its first
interventions.
• Ensure that all the steps of the “Installation” chapter have been observed.
• Ensure that the connection to the compressed air system is correct and that the piping is suitably fixed and supported.
• Ensure that the condensate drain pipe is properly fastened and connected to a collection system or container.
• Ensure that the by-pass system (if installed) is closed and the dryer is isolated.
• Ensure that the manual valve of the condensate drain circuit is open.
• Remove any packaging and other material which could obstruct the area around the dryer.
• Activate the mains switch. • Turn on the main switch - pos. 1 on the control panel. • Check that "crankcase oil heater" and "Stand-by" leds
on DMC20 are ON. • Wait at least two hours before starting the dryer
(compressor crankcase heater must heat the oil of the compressor) (DRYPOINT RS 200-500 HP50).
• Ensure the cooling water flow and temperature is adequate (Water-Cooled).
• Switch ON the dryer keeping the “Dryer Start-up” button on DMC20 pressed for at least 2 seconds.
• Check that “compressor ON” led on DMC20 is ON. • Ensure the consumption matches with the values of the
data plate. • Check that the rotation direction of the fan
corresponds with the arrows on the condenser (Air-Cooled).
• Allow the dryer temperature to stabilise at the pre-set value.
• Slowly open the air inlet valve. • Slowly open the air outlet valve. • Slowly close the central by-pass valve of the system (if
installed). • Check the piping for air leakage. • Ensure the drain is regularly cycling - wait for its first
interventions.
Start up
DRYPOINT RS 4C – 500 HP50 15
3.3. Start-up and shut down 3.3.1. Marcia ed arresto DRYPOINT RS 4C- 130 HP50
Start-up (refer to paragraph 5.1 Control Panel) :
• Check the condenser for cleanliness (Air-Cooled). • Ensure the cooling water flow and temperature is adequate (Water-Cooled). • Verify that the system is powered. • Activate the main switch - pos. 1 on the control panel. • Ensure that electronic controller is ON. • Wait a few minutes; verify that the DewPoint temperature displayed on electronic instrument is correct and that the
condensate is regularly drained. • Switch on the air compressor.
Shut down (refer to paragraph 5.1 Control Panel) :
• Verify that the DewPoint temperature displayed on electronic controller is correct. • Switch OFF the air compressor. • After a few minutes, switch off the main switch on the control panel of the dryer (pos. 1). NOTE : DRYPOINT RS 4C-12C HP50 - A DewPoint included in the green operating area of the electronic controller is correct according to the possible working conditions (flow-rate, temperature of the incoming air, ambient temperature, etc.) NOTE : DRYPOINT RS 15-130 HP50 - A DewPoint within 0°C and +10°C displayed on th e electronic controller is correct according to the possible working conditions (flow-rate, temperature of the incoming air, ambient temperature, etc.). During the operation, the refrigeration compressor will run continuously. The dryer must remain on during the full usage period of the compressed air, even if the air compressor works intermittently.
The number of starts must be no more than 6 per hour. The dryer must stop running for at least 5 minutes before being started up again. The user is responsible for compliance with these rules. Frequent starts may cause irreparable damage.
Start up
16 DRYPOINT RS 4C – 500 HP50
3.3.2. Start-up and shut down DRYPOINT RS 160-500 H P50
For short periods of inactivity, (max 2-3 days) we recommend that power is maintained to the dryer and the control panel. Otherwise, before re-startin g the dryer, it is necessary to wait at least 2 hou rs for the compressor crankcase heater to heat the oil of the compressor (DRYPOINT RS 200-500 HP50).
Start-up (refer to paragraph 5.1 Control Panel)
DMC14 Electronic Instrument DMC20 Electronic Instru ment
• Check the condenser for cleanliness (Air-Cooled). • Ensure the cooling water flow and temperature is
adequate (Water-Cooled). • Check that the mains detection light of the ON/OFF
button - pos. 4 of the control panel - is ON. • Switch ON the dryer pressing the button "I - ON" of the
ON/OFF switch - pos. 4 of the control panel. • Ensure that DMC14 electronic instrument is ON. • Wait a few minutes; verify that the DewPoint
temperature displayed on electronic instrument DMC14 is correct and that the condensate is regularly drained.
• Switch on the air compressor.
• Check the condenser for cleanliness (Air-Cooled). • Ensure the cooling water flow and temperature is
adequate (Water-Cooled). • Check that "crankcase oil heater" and "Stand-by" leds
on DMC20 are ON. • Switch ON the dryer keeping the “Dryer Start-up” button
on DMC20 pressed for at least 2 seconds. • Check that “compressor ON” led on DMC20 is ON. • Wait a few minutes; verify that the DewPoint
temperature displayed on electronic instrument DMC20 is correct and that the condensate is regularly drained.
• Switch on the air compressor.
Shut down (refer to paragraph 5.1 Control Panel)
DMC14 Electronic Instrument DMC20 Electronic Instru ment
• Check that the DewPoint temperature indicated on the DMC14 is within range.
• Shut down the air compressor. • After few minutes, shut down the dryer pressing the
button "0 - OFF" of the ON/OFF switch - pos. 4 of the control panel.
• Check that the DewPoint temperature indicated on the DMC20 is within range.
• Shut down the air compressor. • After a few minutes, shut down the dryer keeping the
“Dryer Stop” button on DMC20 pressed for at least 2 seconds.
NOTE : A DewPoint within 0°C and +10°C displayed on Air Dr yer Controller is correct according to the possible working conditions (flow-rate, temperature of the incoming air, ambient temperature, etc.). During the operation, the refrigerating compressor will run continuously. The dryer must remain on during the full usage period of the compressed air, even if the air compressor works intermittently.
The number of starts must be no more than 6 per hour. The dryer must stop running for at least 5 minutes before being started up again. The user is responsible for compliance with these rules. Frequent starts may cause irreparable damage.
Technical Specifications
DRYPOINT RS 4C – 500 HP50 17
4. Technical Specifications
4.1. Technical Specifications DRYPOINT RS 4C-130 HP 50 /AC
130
1350
0
810
477
0.23
G 1
.1/2
”
1.80
1150
5.2
1700
8.0
133
100
1025
0
615
362
0.22
1.30
1900
1050
4.9
1500
7.4
109
75
7500
450
265
0.22
1.20
1600
920
4.4
1400
6.4
87
50
5250
315
186
0.20
G 1
”
0.87
450
870
4.0
1100
5.3
84
40
4000
240
141
0.24
0.60
690
3.7
950
5.1
59
30
3000
180
106
0.24
G 3
/4”
R40
4A
0.52
380
640
3.6
780
4.8
54
22
2250
135
80
0.23
0.38
1/23
0-24
0/50
460
2.6
670
3.5
37
15
1500
90
53
0.23
G 1
/2”
0.37
300
1.9
350
2.1
36
12C
1200
72
42
0.25
0.28
220
1.4
250
1.5
32
8C
800
45
28
0.24
0.20
300
200
1.3
240
1.4
29
Air-
Coo
led
4C
417
25
15
+3
equa
l to
0.73
g/m
3 of
H2O
+25
(+
50)
+1
+35
(+
65)
40
50
0.25
G 3
/8”
R13
4.a
0.17
200
- - - - - -
1/23
0-24
0/50
, 1/2
30/6
0
150
1.0
200
1.2
< 7
0
28
[l/m
in]
[m3 /h
]
[scf
m]
[°C]
[°C]
[°C]
[°C]
[bar
g]
[bar
g]
[bar
]
[BS
P-F
]
[kg]
[m3 /h
]
[m3 /h
]
[m3 /h
]
[°C]
[bar
g]
[BS
P-F
]
[Ph/
V/H
z]
[W]
[A]
[W]
[A]
[dbA
]
[kg]
DR
YP
OIN
T R
S H
P50
MO
DE
L
Air
flow
rat
e at
nom
inal
con
ditio
n 1
Pre
ssur
e D
ewP
oint
at n
omin
al c
ondi
tion
1
Nom
inal
am
bien
t tem
pera
ture
(m
ax.)
Min
. am
bien
t tem
pera
ture
Nom
inal
inle
t air
tem
pera
ture
(m
ax.)
Nom
inal
inle
t air
pres
sure
Max
. inl
et a
ir pr
essu
re
Air
pres
sure
dro
p -
∆p
Inle
t - O
utle
t con
nect
ions
Ref
riger
ant t
ype
Ref
riger
ant q
uant
ity 3
Coo
ling
air
fan
flow
Coo
ling
wat
er fl
ow a
t 15°
C (
out 3
0°C
)
Coo
ling
wat
er fl
ow a
t 30°
C (
out 4
0°C
)
Con
trol
of c
oolin
g w
ater
flow
Max
imum
wat
er te
mpe
ratu
re 2
Min
. (M
ax)
wat
er p
ress
ure
Coo
ling
wat
er c
onne
ctio
ns
Sta
ndar
d P
ower
Sup
ply
3
Nom
inal
ele
ctric
con
sum
ptio
n
Max
. ele
ctric
con
sum
ptio
n
Max
. noi
se le
vel a
t 1 m
Wei
ght
1 The
nom
inal
con
ditio
n re
fers
to a
n am
bien
t tem
pera
ture
of +
25°C
with
inle
t air
at 7
bar
g an
d +
35 °C
.
2 Oth
er te
mpe
ratu
re o
n re
ques
t.
3 Che
ck th
e da
ta s
how
n on
the
data
nam
epla
te.
Technical Specifications
18 DRYPOINT RS 4C – 500 HP50
4.2. Technical Specifications DRYPOINT RS 160-500 H P50 /AC 50
0
5050
0
3030
1784
0.25
9.00
6500
11.1
8600
14.6
580
400
4050
0
2430
1431
0.25
F.L
. AN
SI 2
.1/2
”
8.00
1550
0
6000
10.5
7100
12.2
< 8
0
550
330
3350
0
2010
1184
0.22
5.00
4100
7.8
5150
9.3
260
270
2700
0
1620
954
0.23
4.00
7800
3900
7.2
5100
9 238
200
2000
0
1200
707
0.22
G 2
” B
SP
-F
3.50
4900
2900
5.7
3900
7.3
< 7
5
232
Air-
Coo
led
160
1680
0
1008
594
+3
equa
l to
0.73
g/m
3 of
H2O
+25
(+
50)
+1
+35
(+
65)
40
50
0.22
G 1
.1/2
” B
SP
-F
R40
4A
3.00
3400
- - - - - -
3/40
0-41
5/50
2050
3.9
2500
4.5
< 7
0
140
[l/m
in]
[m3 /h
]
[scf
m]
[°C]
[°C]
[°C]
[°C]
[bar
g]
[bar
g]
[bar
]
[BS
P-F
]
[kg]
[m3 /h
]
[m3 /h
]
[m3 /h
]
[°C]
[bar
g]
[BS
P-F
]
[Ph/
V/H
z]
[W]
[A]
[W]
[A]
[dbA
]
[kg]
DR
YP
OIN
T R
S H
P50
MO
DE
L
Air
flow
rat
e at
nom
inal
con
ditio
n 1
Pre
ssur
e D
ewP
oint
at n
omin
al c
ondi
tion
1
Nom
inal
am
bien
t tem
pera
ture
(m
ax.)
Min
. am
bien
t tem
pera
ture
Nom
inal
inle
t air
tem
pera
ture
(m
ax.)
Nom
inal
inle
t air
pres
sure
Max
. inl
et a
ir pr
essu
re
Air
pres
sure
dro
p -
∆p
Inle
t - O
utle
t con
nect
ions
Ref
riger
ant t
ype
Ref
riger
ant q
uant
ity 3
Coo
ling
air
fan
flow
Coo
ling
wat
er fl
ow a
t 15°
C (
out 3
0°C
)
Coo
ling
wat
er fl
ow a
t 30°
C (
out 4
0°C
)
Con
trol
of c
oolin
g w
ater
flow
Max
imum
wat
er te
mpe
ratu
re 2
Min
. (M
ax)
wat
er p
ress
ure
Coo
ling
wat
er c
onne
ctio
ns
Sta
ndar
d P
ower
Sup
ply
3
Nom
inal
ele
ctric
con
sum
ptio
n
Max
. ele
ctric
con
sum
ptio
n
Max
. noi
se le
vel a
t 1 m
Wei
ght
1 The
nom
inal
con
ditio
n re
fers
to a
n am
bien
t tem
pera
ture
of +
25°C
with
inle
t air
at 7
bar
g an
d +
35 °C
.
2 Oth
er te
mpe
ratu
re o
n re
ques
t.
3 Che
ck th
e da
ta s
how
n on
the
data
nam
epla
te.
Technical Specifications
DRYPOINT RS 4C – 500 HP50 19
4.3. Technical Specifications DRYPOINT RS 4CP-50P H P50 /AC 50
P
5250
315
186
0.20
G 1
” B
SP
-F
0.87
900
1200
10.2
1310
11.8
84
40P
4000
240
141
0.24
R40
4A
0.60
1100
9.8
1270
11.2
59
30P
3000
180
106
0.24
G 3
/4”
BS
P-F
0.52
600
580
6.2
700
6.8
54
22P
2250
135
80
0.23
0.38
540
6.0
650
6.6
37
15P
1500
90
53
0.23
G 1
.1/2
” B
SP
-F
0.30
350
3.8
400
4.2
36
12C
P
1200
72
42
0.25
0.28
260
3.0
290
3.2
32
8CP
800
45
28
0.24
0.20
400
220
2.5
250
2.7
29
Air-
Coo
led
4CP
417
25
15
+3
equa
l to
0.73
g/m
3 of
H2O
+25
(+
50)
+1
+35
(+
65)
40
50
0.25
G 3
/8”
BS
P-F
R13
4.a
0.15
300
- - - - - -
1/11
5/60
190
2.3
210
2.4
< 7
0
28
[l/m
in]
[m3 /h
]
[scf
m]
[°C]
[°C]
[°C]
[°C]
[bar
g]
[bar
g]
[bar
]
[BS
P-F
]
[kg]
[m3 /h
]
[m3 /h
]
[m3 /h
]
[°C]
[bar
g]
[BS
P-F
]
[Ph/
V/H
z]
[W]
[A]
[W]
[A]
[dbA
]
[kg]
DR
YP
OIN
T R
S H
P50
MO
DE
L
Air
flow
rat
e at
nom
inal
con
ditio
n 1
Pre
ssur
e D
ewP
oint
at n
omin
al c
ondi
tion
1
Nom
inal
am
bien
t tem
pera
ture
(m
ax.)
Min
. am
bien
t tem
pera
ture
Nom
inal
inle
t air
tem
pera
ture
(m
ax.)
Nom
inal
inle
t air
pres
sure
Max
. inl
et a
ir pr
essu
re
Air
pres
sure
dro
p -
∆p
Inle
t - O
utle
t con
nect
ions
Ref
riger
ant t
ype
Ref
riger
ant q
uant
ity 3
Coo
ling
air
fan
flow
Coo
ling
wat
er fl
ow a
t 15°
C (
out 3
0°C
)
Coo
ling
wat
er fl
ow a
t 30°
C (
out 4
0°C
)
Con
trol
of c
oolin
g w
ater
flow
Max
imum
wat
er te
mpe
ratu
re 2
Min
. (M
ax)
wat
er p
ress
ure
Coo
ling
wat
er c
onne
ctio
ns
Sta
ndar
d P
ower
Sup
ply
3
Nom
inal
ele
ctric
con
sum
ptio
n
Max
. ele
ctric
con
sum
ptio
n
Max
. noi
se le
vel a
t 1 m
Wei
ght
1 The
nom
inal
con
ditio
n re
fers
to a
n am
bien
t tem
pera
ture
of +
25°C
with
inle
t air
at 7
bar
g an
d +
35 °C
.
2 Oth
er te
mpe
ratu
re o
n re
ques
t.
3 Che
ck th
e da
ta s
how
n on
the
data
nam
epla
te.
Technical Specifications
20 DRYPOINT RS 4C – 500 HP50
4.4. Technical Specifications DRYPOINT RS 22E-130E HP50 /AC 13
0E
1350
0
810
477
0.23
G 1
.1/2
” B
SP
-F
1.80
3750
2240
10.4
2730
12.6
133
100E
1025
0
615
362
0.22
1.30
2600
1620
7.4
2050
10.1
109
75E
7500
450
265
0.22
1.20
2400
1380
5.9
1580
7.2
87
50E
5250
315
186
0.20
G 1
” B
SP
-F
0.87
900
1200
5.1
1310
5.9
84
40E
4000
240
141
0.24
R40
4A
0.60
1100
4.9
1270
5.6
59
30E
3000
180
106
0.24
G 3
/4”
BS
P-F
0.52
600
600
3.4
720 4 54
Air-
Coo
led
22E
2250
135
80
+3
equa
l to
0.73
g/m
3 of
H2O
+25
(+
50)
+1
+35
(+
65)
40
50
0.23
G 1
/2”
BS
P-F
R13
4.a
0.38
400
- - - - - -
1/23
0/60
550
3.1
630
3.5
< 7
0
37
[l/m
in]
[m3 /h
]
[scf
m]
[°C]
[°C]
[°C]
[°C]
[bar
g]
[bar
g]
[bar
]
[BS
P-F
]
[kg]
[m3 /h
]
[m3 /h
]
[m3 /h
]
[°C]
[bar
g]
[BS
P-F
]
[Ph/
V/H
z]
[W]
[A]
[W]
[A]
[dbA
]
[kg]
DR
YP
OIN
T R
S H
P50
MO
DE
L
Air
flow
rat
e at
nom
inal
con
ditio
n 1
Pre
ssur
e D
ewP
oint
at n
omin
al c
ondi
tion
1
Nom
inal
am
bien
t tem
pera
ture
(m
ax.)
Min
. am
bien
t tem
pera
ture
Nom
inal
inle
t air
tem
pera
ture
(m
ax.)
Nom
inal
inle
t air
pres
sure
Max
. inl
et a
ir pr
essu
re
Air
pres
sure
dro
p -
∆p
Inle
t - O
utle
t con
nect
ions
Ref
riger
ant t
ype
Ref
riger
ant q
uant
ity 3
Coo
ling
air
fan
flow
Coo
ling
wat
er fl
ow a
t 15°
C (
out 3
0°C
)
Coo
ling
wat
er fl
ow a
t 30°
C (
out 4
0°C
)
Con
trol
of c
oolin
g w
ater
flow
Max
imum
wat
er te
mpe
ratu
re 2
Min
. (M
ax)
wat
er p
ress
ure
Coo
ling
wat
er c
onne
ctio
ns
Sta
ndar
d P
ower
Sup
ply
3
Nom
inal
ele
ctric
con
sum
ptio
n
Max
. ele
ctric
con
sum
ptio
n
Max
. noi
se le
vel a
t 1 m
Wei
ght
1 The
nom
inal
con
ditio
n re
fers
to a
n am
bien
t tem
pera
ture
of +
25°C
with
inle
t air
at 7
bar
g an
d +
35 °C
.
2 Oth
er te
mpe
ratu
re o
n re
ques
t.
3 Che
ck th
e da
ta s
how
n on
the
data
nam
epla
te.
Technical Specifications
DRYPOINT RS 4C – 500 HP50 21
4.5. Technical Specifications DRYPOINT RS 160R-500R HP50 /AC 50
0R
5050
0
3030
1784
0.25
9.00
1030
0
15.0
1200
0
17.0
580
400R
4050
0
2430
1431
0.25
F.L
. AN
SI 2
.1/2
”
8.00
1900
0
9500
14.0
1080
0
15.7
< 8
0
550
330R
3350
0
2010
1184
0.22
5.00
5600
8.5
6600
9.6
260
270R
2700
0
1620
954
0.23
4.00
5300
7.9
6300
9.2
238
200R
2000
0
1200
707
0.22
G 2
” B
SP
-F
3.50
7500
4300
6.6
5000
7.5
< 7
5
232
Air-
Coo
led
160R
1680
0
1008
594
+3
equa
l to
0.73
g/m
3 of
H2O
+25
(+
50)
+1
+35
(+
65)
40
50
0.22
G 1
.1/2
” B
SP
-F
R40
4A
3.00
3750
- - - - - -
3/46
0/60
2800
4.2
3300
4.8
< 7
0
140
[l/m
in]
[m3 /h
]
[scf
m]
[°C]
[°C]
[°C]
[°C]
[bar
g]
[bar
g]
[bar
]
[BS
P-F
]
[kg]
[m3 /h
]
[m3 /h
]
[m3 /h
]
[°C]
[bar
g]
[BS
P-F
]
[Ph/
V/H
z]
[W]
[A]
[W]
[A]
[dbA
]
[kg]
MO
DE
LLO
DR
YP
OIN
T R
S
Air
flow
rat
e at
nom
inal
con
ditio
n 1
Pre
ssur
e D
ewP
oint
at n
omin
al c
ondi
tion
1
Nom
inal
am
bien
t tem
pera
ture
(m
ax.)
Min
. am
bien
t tem
pera
ture
Nom
inal
inle
t air
tem
pera
ture
(m
ax.)
Nom
inal
inle
t air
pres
sure
Max
. inl
et a
ir pr
essu
re
Air
pres
sure
dro
p -
∆p
Inle
t - O
utle
t con
nect
ions
Ref
riger
ant t
ype
Ref
riger
ant q
uant
ity 3
Coo
ling
air
fan
flow
Coo
ling
wat
er fl
ow a
t 15°
C (
out 3
0°C
)
Coo
ling
wat
er fl
ow a
t 30°
C (
out 4
0°C
)
Con
trol
of c
oolin
g w
ater
flow
Max
imum
wat
er te
mpe
ratu
re 2
Min
. (M
ax)
wat
er p
ress
ure
Coo
ling
wat
er c
onne
ctio
ns
Sta
ndar
d P
ower
Sup
ply
3
Nom
inal
ele
ctric
con
sum
ptio
n
Max
. ele
ctric
con
sum
ptio
n
Max
. noi
se le
vel a
t 1 m
Wei
ght
1 The
nom
inal
con
ditio
n re
fers
to a
n am
bien
t tem
pera
ture
of +
25°C
with
inle
t air
at 7
bar
g an
d +
35 °C
.
2 Oth
er te
mpe
ratu
re o
n re
ques
t.
3 Che
ck th
e da
ta s
how
n on
the
data
nam
epla
te.
Technical Specifications
22 DRYPOINT RS 4C – 500 HP50
4.6. Technical Specifications DRYPOINT RS 75-500 HP 50 /WC 50
0
5050
0
3030
1784
0.25
5.20
1.25
1.80
5800
9.9
7900
13.4
570
400
4050
0
2430
1431
0.25
F.L
. AN
SI 2
.1/2
”
4.80
1.12
1.70
G 1
” B
SP
-F
5300
9.3
6400
11.0
< 7
5
540
330
3350
0
2010
1184
0.22
4.20
0.75
1.13
3800
6.9
4850
8.4
255
270
2700
0
1620
954
0.23
3.20
0.71
1.06
3600
6.3
4800
8.1
233
200
2000
0
1200
707
0.22
G 2
” B
SP
-F
2.90
0.54
0.82
G 3
/4”
BS
P-F
2650
5.0
3650
6.6
227
160
1680
0
1008
594
0.22
2.50
0.37
0.56
3/40
0-41
5/50
1900
3.5
2350
4.1
137
130
1350
0
810
477
0.23
G 1
.1/2
” B
SP
-F
1.60
0.25
0.38
1020
4.6
1570
7.4
130
100
1025
0
615
362
0.22
1.10
0.22
0.33
920
4.3
1370
6.8
107
Wat
er-C
oole
d
75
7500
450
265
+3
equa
l to
0.73
g/m
3 of
H2O
+25
(+
50)
+1
+35
(+
65)
40
50
0.22
G 1
” B
SP
-F
R40
4A
1.00
-
0.21
0.31
Aut
omat
ic b
y va
lve
30
3 (1
0)
G 1
/2”
BS
P-F
1/23
0-24
0/50
810
3.9
1290
5.9
< 7
0
85
[l/m
in]
[m3/
h]
[scf
m]
[°C]
[°C]
[°C]
[°C]
[bar
g]
[bar
g]
[bar
]
[BS
P-F
]
[kg]
[m3/
h]
[m3/
h]
[m3/
h]
[°C]
[bar
g]
[BS
P-F
]
[Ph/
V/H
z]
[W]
[A]
[W]
[A]
[dbA
]
[kg]
DR
YP
OIN
T R
S H
P50
MO
DE
L
Air
flow
rat
e at
nom
inal
con
ditio
n 1
Pre
ssur
e D
ewP
oint
at n
omin
al c
ondi
tion
1
Nom
inal
am
bien
t tem
pera
ture
(m
ax.)
Min
. am
bien
t tem
pera
ture
Nom
inal
inle
t air
tem
pera
ture
(m
ax.)
Nom
inal
inle
t air
pres
sure
Max
. inl
et a
ir pr
essu
re
Air
pres
sure
dro
p -
∆p
Inle
t - O
utle
t con
nect
ions
Ref
riger
ant t
ype
Ref
riger
ant q
uant
ity 3
Coo
ling
air
fan
flow
Coo
ling
wat
er fl
ow a
t 15°
C (
out 3
0°C
)
Coo
ling
wat
er fl
ow a
t 30°
C (
out 4
0°C
)
Con
trol
of c
oolin
g w
ater
flow
Max
imum
wat
er te
mpe
ratu
re 2
Min
. (M
ax)
wat
er p
ress
ure
Coo
ling
wat
er c
onne
ctio
ns
Sta
ndar
d P
ower
Sup
ply
3
Nom
inal
ele
ctric
con
sum
ptio
n
Max
. ele
ctric
con
sum
ptio
n
Max
. noi
se le
vel a
t 1 m
Wei
ght
1 The
nom
inal
con
ditio
n re
fers
to a
n am
bien
t tem
pera
ture
of +
25°C
with
inle
t air
at 7
bar
g an
d +
35 °C
.
2 Oth
er te
mpe
ratu
re o
n re
ques
t.
3 Che
ck th
e da
ta s
how
n on
the
data
nam
epla
te.
Technical Specifications
DRYPOINT RS 4C – 500 HP50 23
4.7. Technical Specifications DRYPOINT RS 75E-130E_ 160R-500R HP50 /WC 50
0R
5050
0
3030
1784
0.25
5.20
1.54
2.31
7600
10.8
9300
12.8
570
400R
4050
0
2430
1431
0.25
F.L.
AN
SI 2
.1/2
”
4.80
1.38
2.07
G 1
” B
SP
-F
6800
9.8
8100
11.5
< 7
5
540
330R
3350
0
2010
1184
0.22
4.20
0.95
1.42
4550
7.0
5550
8.1
255
270R
2700
0
1620
954
0.23
3.20
0.85
1.28
4250
6.4
5250
7.7
233
200R
2000
0
1200
707
0.22
G 2
” B
SP
-F
2.90
0.66
1.00
G 3
/4”
BS
P-F
3250
5.1
3950
6.0
227
160R
1680
0
1008
594
0.22
2.50
0.46
0.70
3/46
0/60
2300
3.5
2800
4.1
137
130E
1350
0
810
477
0.23
G 1
.1/2
” B
SP
-F
1.60
0.27
0.40
2100
9.9
2600
12.1
130
100E
1025
0
615
362
0.22
1.10
0.25
0.38
1500
6.9
1950
9.6
107
Wat
er-C
oole
d
75E
7500
450
265
+3
ugua
le a
0.7
3 g/
m3 o
f H2O
+25
(+
50)
+1
+35
(+
65)
40
50
0.22
G 1
” B
SP
-F
R40
4A
1.00
-
0.20
0.28
Aut
omat
ic b
y va
lve
30
3 (1
0)
G 1
/2”
BS
P-F
1/23
0/60
1300
5.6
1500
6.9
< 7
0
85
[l/m
in]
[m3 /h
]
[scf
m]
[°C]
[°C]
[°C]
[°C]
[bar
g]
[bar
g]
[bar
]
[BS
P-F
]
[kg]
[m3 /h
]
[m3 /h
]
[m3 /h
]
[°C]
[bar
g]
[BS
P-F
]
[Ph/
V/H
z]
[W]
[A]
[W]
[A]
[dbA
]
[kg]
DR
YP
OIN
T R
S H
P50
MO
DE
L
Air
flow
rat
e at
nom
inal
con
ditio
n 1
Pre
ssur
e D
ewP
oint
at n
omin
al c
ondi
tion
1
Nom
inal
am
bien
t tem
pera
ture
(m
ax.)
Min
. am
bien
t tem
pera
ture
Nom
inal
inle
t air
tem
pera
ture
(m
ax.)
Nom
inal
inle
t air
pres
sure
Max
. inl
et a
ir pr
essu
re
Air
pres
sure
dro
p -
∆p
Inle
t - O
utle
t con
nect
ions
Ref
riger
ant t
ype
Ref
riger
ant q
uant
ity 3
Coo
ling
air
fan
flow
Coo
ling
wat
er fl
ow a
t 15°
C (
out 3
0°C
)
Coo
ling
wat
er fl
ow a
t 30°
C (
out 4
0°C
)
Con
trol
of c
oolin
g w
ater
flow
Max
imum
wat
er te
mpe
ratu
re 2
Min
. (M
ax)
wat
er p
ress
ure
Coo
ling
wat
er c
onne
ctio
ns
Sta
ndar
d P
ower
Sup
ply
3
Nom
inal
ele
ctric
con
sum
ptio
n
Max
. ele
ctric
con
sum
ptio
n
Max
. noi
se le
vel a
t 1 m
Wei
ght
1 The
nom
inal
con
ditio
n re
fers
to a
n am
bien
t tem
pera
ture
of +
25°C
with
inle
t air
at 7
bar
g an
d +
35 °C
.
2 Oth
er te
mpe
ratu
re o
n re
ques
t.
3 Che
ck th
e da
ta s
how
n on
the
data
nam
epla
te.
Technical description
24 DRYPOINT RS 4C – 500 HP50
5. Technical description
5.1. Control panel The control panel illustrated below is the only dryer-operator interface.
1 Main switch DRYPOINT RS 4C-12C HP50 – DMC15
2 Electronic control instrument
3 Air and refrigerating gas flow diagram
4 ON/OFF switch with mains detecting light
5 Alarm light
K
1
2 3
PQ
S00
08
DMC151
0ON
sec - min
set
DRYPOINT RS 15-40 HP50 – DMC14 DRYPOINT RS 50-130 HP50 – DMC14
1
PQ
S00
16
1
0
K
set
2
DMC14
esc
°F°C
3
PQ
S00
17
K
set
2
DMC14
esc
°F°C
3
ION
1
DRYPOINT RS 160-500 HP50 – DMC14 DRYPOINT RS 160-500 HP50 – DMC20
2
1
5
4
PQ
S00
18
set esc
DMC14°F°C
1
PQ
S00
19
5.2. Operation Operating principal - The dryer models described in this manual operate all on the same principal. The hot moisture laden air enters an air to air heat exchanger. The air then goes through the evaporator, also known as the air to refrigerant heat exchanger. The temperature of the air is reduced to approximately 2°C, causing water vapor to condense to liquid. The liquid is continuously coalesced and collected in the separator for removal by the condensate drain. The cool moisture free air then passes back through the air to air heat exchanger to be reheated to within 8 degrees of the incoming air temperature as it exits the dryer.
Refrigerant circuit - Refrigerant gas is cycled through the compressor and exits at high pressure to a condenser where heat is removed causing the refrigerant to condense to a high-pressure liquid state. The liquid is forced through a capillary tube where the resulting pressure drop allows the refrigerant to boil off at a predetermined temperature. Low-pressure liquid refrigerant enters the heat exchanger where heat from the incoming air is transferred causing the refrigerant to boil; the resulting phase change produces a low pressure, low temperature gas. The low-pressure gas is returned to the compressor, where it is re-compressed and begins the cycle again. During those periods when the compressed air load is reduced the excess refrigerant is by-passed automatically back to the compressor via the Hot Gas By-pass Valve circuit.
Technical description
DRYPOINT RS 4C – 500 HP50 25
5.3. Flow Diagram (Air-Cooled)
12.1
T6
13
PB
3 54
P
11 10
7
6
TS
9 M
8
PVA
T5
12.1
T4
12.1
12.1T7
25
2
DG
F00
32
21
1
1c
1a
T1
12
1b
T3
12.1
T2
12.1
400-500
V2
5
V1P P31
5.4. Flow Diagram (Water-Cooled)
13
PB
3 4
P
7
6
TS A
T5
12.1
T4
12.1
12.1T7
25
2
DG
F00
33
21
1
1c
1a
T1
12
1b
T3
12.1
T2
12.131
11
18
2010
12.119
12.1
T6
T8
1 Combined heat exchanger 11 Capillary tube a - Air-to-air heat exchanger 12 T1 Temperature probe (DewPoint)
b - Air-to-refrigerant exchanger T2 Temperature probe (fan control) (RS 4C-12C HP50)
c - Condensate separator Temp. Probes T2-T8 → DMC20 (if installed) 2 Refrigerant pressure-switch PB (RS 130-500 HP50) 13 Condensate drain service valve 3 TS safety thermo-switch (RS 75-500 HP50) … 4 Refrigerant pressure switch PA 18 Condenser (Water-Cooled) 5 Refrigerant pressure-switch (fan) PV 19 Condenser water regulating valve (water-Cooled)
(RS 15-330 HP50) → PV1 - PV2 (RS 400-500 HP50) 20 Liquid accumulator (Water-Cooled)
6 Refrigerating compressor 21 Bekomat drainer 7 Hot gas by-pass valve … 8 Condenser (Air-Cooled) 25 Compressor crankcase heater (RS 200-500 HP50) 9 Condenser fan …
10 Dehydration filter 31 Refrigerant relief valve
Compressed air flow direction Refrigerating gas flow direction
Technical description
26 DRYPOINT RS 4C – 500 HP50
5.5. Refrigerating compressor The refrigerating compressor is the pump in the system, gas coming from the evaporator (low pressure side) is compressed up to the condensation pressure (high pressure side). The compressors utilized are manufactured by leading manufacturers and are designed for applications where high compression ratios and wide temperature changes are present. The hermetically sealed construction is perfectly gas tight, ensuring high-energy efficiency and long, useful life. Dumping springs support the pumping unit in order to reduce the acoustic emission and the vibration diffusion. The aspirated refrigerating gas, flowing through the coils before reaching the compression cylinders cools the electric motor. The thermal protection protects the compressor from over heating and over currents. The protection is automatically restored as soon as the nominal temperature conditions are reached.
5.6. Condenser (Air-Cooled) The condenser is the component in which the gas coming from the compressor is cooled down and condensed becoming a liquid. Mechanically, a serpentine copper tubing circuit (with the gas flowing inside) is encapsulated in an aluminum fin package. The cooling operation occurs via a high efficiency fan, creating airflow within the dryer, moving air through the fin package. It’s mandatory that the ambient air temperature does not exceed the nominal values. It is also important to keep the condenser unit free from dust and other impurities.
5.7. Condenser (Water-Cooled) The condenser is the component in which the gas coming from the compressor is cooled down and condensed becoming a liquid. Basically it is a water/refrigerating gas exchanger where the cooling water lowers the temperature of the refrigerating gas. The temperature of the inlet water must not exceed the nominal values. It must also guarantee an adequate flow and that the water entering the exchanger is free from dust and other impurities.
5.8. Condenser water regulating valve (Water-Cooled ) The condenser water regulating valve is used to keep the condensing pressure/temperature constant when the Water-Cooled is being used. Thanks to the capillary tube, the valve detects the pressure in the condenser and consequently adjusts the water flow. When the dryer stops the valve automatically closes the cooling water flow.
CAUTION! The condenser water regulating valve is an operating control device. The closure of the water circuit from the pressure condenser water regulating valve cannot be used as a safety closure during service operations on the system.
ADJUSTMENT The condenser water regulating valve is adjusted during the testing phase to a pre-set value that covers 90% of the applications. However, sometimes the extreme operating conditions of the dryer may require a more accurate calibration. During start-up, a qualified technician should check the condensing pressure/temperature and if necessary adjust the valve by using the screws on the valve itself. To increase the condensing temperature, turn the adjusting screws counter-clockwise; to lower it turn the screws clock-wise. Adjust the valve in order to guarantee a condensing temperature of 42-45 °C.
Technical description
DRYPOINT RS 4C – 500 HP50 27
5.9. Filter Dryer Traces of humidity and slag can accumulate inside the refrigerating circuit. Long periods of use can also produce sludge. This can limit the lubrication efficiency of the compressor and clog the expansion valve or capillary tube. The function of the Filter Drier, located before the capillary tubing, is to eliminate any impurities from circulating through the system.
5.10. Capillary Tube It consists of a piece of reduced cross section copper tubing located between the condenser and the evaporator, acting as a metering device to reduce the pressure of the refrigerant. Reduction of pressure is a design function to achieve optimum temperature reached within the evaporator: the smaller the capillary tube outlet pressure, the lower the evaporation temperature. The length and interior diameter of the capillary tubing is accurately sized to establish the performance of the dryer; no maintenance or adjustment is necessary.
5.11. Air-to-air heat exchanger The purpose of this exchanger is to drop the heat of the incoming compressed air onto the outgoing cold air. The benefits of this solution are essentially two: the incoming air is already partially cooled so the refrigerating circuit can be sized as to assure a limited thermal head, with a 40÷50% energy saving. Secondly no cold air is allowed into the compressed air line, thus preventing the formation of condensate on the external surface of the system’s tubes.
5.12. Evaporator Also called an air-refrigerant exchanger. The liquid formed in the condenser is evaporated in this part of the circuit. In the evaporation phase the refrigerator tends to absorb the heat from the compressed air present in the other side of the exchanger. Refrigerant and air are in counter flow, thus contributing to limit pressure drop and to provide efficient thermal exchange.
5.13. Condensate separator The cold air exiting the evaporator goes through the hi-efficiency condensate separator featuring a stainless steel mesh. As the condensate transported by the air gets in contact with the mesh net it is separated and expelled by means of the draining device. The resulting cold and dry air is then conveyed into the dryer outlet. The mesh type mist separator offers the benefit to be highly efficient even with variable flow rates.
5.14. Refrigerant relief valve When, due to any kind of fault or malfunctioning, the pressure of the refrigerating gas circuit is higher than the nominal conditions, the PA pressure switch will stop the refrigerating compressor. A safety valve that requires no adjustment, has been installed as a further safety device, also to prevent the problems caused by over-pressures of the refrigerating gas. The purpose of this valve is to release the over-pressures inside the circuit. After this gas leak, the dryer is no longer capable of operating correctly. An extraordinary maintenance intervention is needed to check and especially eliminate the cause that generated the over-pressure, in addition to reloading the refrigerating gas.
Technical description
28 DRYPOINT RS 4C – 500 HP50
5.15. Hot Gas By-pass Valve This valve injects part of the hot gas (taken from the discharge side of the compressor) in the pipe between the evaporator and the suction side of the compressor, keeping the evaporation temperature/pressure constant at approx. +2 °C. This injection prevents the formation of ice inside the dryer evaporator at every load condition.
DRYPOINT RS 4C-330 HP50
A
4 mm5/32 in.
+
-
VLY
0001
ADJUSTMENT The Hot Gas By-pass Valve is adjusted during the manufacturing testing phase. As a rule no adjustment is required; anyway if it is necessary the operation must be carried out by an experienced refrigerating engineer. WARNING! the use of ¼” Schrader service valves must be justified by a real malfunction of the refrigerating system. Each time a pressure gauge is connected, a part of refrigerant is exhausted. Without compressed air flow through the dryer, rotate the adjusting screw (position A on the drawing) until the following value is reached: Hot gas setting (R134.a) : temperature 0.5 °C (+0 .5 / -0 °K) pressure 2.0 barg (+0.1 / -0 bar) Hot gas setting (R404A) : temperature 0.5 °C (+0. 5 / -0 °K) pressure 5.2 barg (+0.1 / -0 bar)
DRYPOINT RS 400-500 HP50
A8 mm
5/16 in.
-
+
VLY
0003
Technical description
DRYPOINT RS 4C – 500 HP50 29
5.16. Refrigerant Pressure Switches P A-PB-PV As operation safety and protection of the dryer a series of pressure switches are installed in the gas circuit. PB : Low-pressure controller device on the suction side (carter) of the compressor, is enabled only if the pressure
drops below the pre-set value. The values are automatically reset when the nominal conditions are restored.
Calibrated pressure : R 404 A Stop 1.0 barg - Restart 5.0 barg
PA : This high-pressure controller device is located at the pushing side of refrigeration compressor, and it is activated when the pressure exceeds the pre-set value. It features a manual-resetting button mounted on the controller itself.
Calibrated pressure : R 404 A Stop 28.8 barg - Manual reset
PV : Fan control pressure switch located on the pushing side on the compressor. It keeps the condensation temperature/pressure constant within preset limits (Air-Cooled).
Calibrated pressure :
DRYPOINT RS 15-22 HP50 R 134.a Start 11 barg (47°C) - Stop 8 barg (36°C) - Toleran ce ± 1 bar DRYPOINT RS 30-130 HP50 R 404 A Start 20 barg (45°C) - Stop 16 barg (36°C) - Tolera nce ± 1 bar DRYPOINT RS 160-330 HP50 R 404 A Start 20 barg (45°C) - Stop 18 barg (40°C) - Tolera nce ± 1 bar
PV1 : DRYPOINT RS 400-500 HP50 - Fan control pressure switch located on the pushing side on the compressor. It keeps the condensation temperature/pressure constant within preset limits (Air-Cooled) – Low Speed.
Calibrated pressure : R 404 A Start 21 barg (47°C) - Stop 18 barg (41°C) - Tolera nce ± 1 bar
PV2 : DRYPOINT RS 400-500 HP50 - Fan control pressure switch located on the pushing side on the compressor. It keeps the condensation temperature/pressure constant within preset limits (Air-Cooled) – High Speed.
Calibrated pressure : R 404 A Start 23 barg (51°C) - Stop 20.5 barg (46°C) - Tole rance ± 1 bar
5.17. Safety thermo-switch T s
1
2
PQ
S00
05
To protect the operating safety and the integrity of the dryer, a thermo-switch (TS) is installed on the refrigerant gas circuit. The thermo-switch sensor, in case of unusual discharge temperatures, stops the refrigerating compressor before it is permanently damaged. Manually reset the thermo-switch only after the nominal operating conditions have been restored. Unscrew the relative cap (see pos.1 in the figure) and press the reset button (see pos.2 in the figure). TS setting : temperature 100 °C (+2 / -2 °K)
5.18. Compressor crankcase heater (DRYPOINT RS 200- 500 HP50) At low temperatures oil can more easily be mixed with the refrigerant gas. So, when the compressor starts, oil can be drawn into the refrigeration circuit and liquid hammering could occur. To prevent this, an electrical resistance heater is installed in the suction side of the compressor. When the system is powered and the compressor is not running, this heater keeps the oil at the correct temperature. This heater is controlled by a thermo-switch which prevents overheating the oil. NOTE : The heater must be powered at least a couple of hours before the start up of the refrigeration compressor.
Technical description
30 DRYPOINT RS 4C – 500 HP50
5.19. DMC15 Electronic Instrument (Air Dryer Contro ller) set Button - access the set-up.
Button - value increment.
Green LED - glowing = power on.
Yellow LED - Not used
Yellow LED - glowing = condenser fan on.
DMC15ON
sec - min
set
PQ
S00
14
DISPLAY
The DMC15 electronic controller performs the following functions : it shows the current operating DewPoint through the digital led display which is detected from the (T1) probe located at the end of the evaporator, while a second (T2) probe, located on the discharge side of the condenser, activates the relevant fan. OPERATION - During the dryer operation, the LED is on.
Thermometer - The 10 LED display indicates the current operating DewPoint, shown by means of a two colours (green - red) bar over the display itself. • Green section - operating conditions ensuring an optimal DewPoint; • Red section - DewPoint of the dryer too high, the dryer is working with elevated thermal load (high inlet air
temperature, high ambient temperature, etc.). The treatment of the compressed air may be improper. Too high DewPoint temperature, value exceeding the upper limit of the instrument range, is indicated by the intermittent flashing of the last LED; whereas the intermittent flashing of the first LED shows too low DewPoint temperature. A possible (T1) probe failure is indicated by the intermittent flashing of the first and last LED of the display, whereas the dryer keeps on working correctly. Thermostat - The fan condenser is activated when the condensate temperature reaches or exceeds 35°C (FANON) - LED on - and it is deactivated when the temperature goes down to 30°C (FANON - Hys) - LED off. In case of (T2) probe failure, the fun will run continuously and the LED will intermittent flash. SET-UP - The DMC15 is adjusted during the final test of the dryer. In case of particular requirements concerning the operation management, the user can change the setting of the programmed parameters. The parameters which can be set up are the following : • FANON - activation temperature of condenser fan. It is adjustable inside the following range of values, with step of
1°K; whereas the Hys hysteresis is fixed and equal to -5ºK. • TON – Not used • TOFF - Not used
To access the set-up, keep the button set pressed for at least 2 seconds; LED flashing confirms the
command. First appears the (FANON) parameter; to access the other parameters, press sequentially the set button.
To change the value of the selected parameter, keep the set button pressed and operate on button ; the current value is shown on the LED display. For the value range and the resolution (value of each single LED), see the following table : Parameter Description Display Value range Resolution Set
value
FANON Activation temperature of condenser fan
Synchronous flashing LED + LED
31 - 40 °C 1°K 35°C
TON Not used Synchronous flashing
LED + LED 1 - 10 sec 1 sec -
TOFF Not used Non-Synchronous flashing LED + LED
1 - 10 min 1 min -
To exit the set-up condition in any moment, press the button. If no operations are performed for 2 minutes, the system automatically exits the set-up condition
Technical description
DRYPOINT RS 4C – 500 HP50 31
5.20. DMC14 Electronic Instrument (Air Dryer Contro ller) set Button - access the set-up.
esc Button - Exit programming / decrease value.
Button - Value increment.
LED - Dryer in alarm status.
● °C LED - Display the set temperature scale (°C).
● °F LED - Display the set temperature scale (°F).
DMC 14°C
°F
escset
DISPLAY
PQ
S00
06
● LED - Condensate drain solenoid valve on.
Through the digital thermometer with an alphanumerical display, the DMC14 controller shows the DewPoint detected by the probe in the evaporator.
The LED shows any alarm condition, it can happen when : • pressure DewPoint is too high; • pressure DewPoint is too low; • the probe is faulty. If the probe is faulty, the instrument also shows “PF” message (Probe Failure), and alarm activation is immediate. In case of “DewPoint too low” condition (ASL parameter, that is fix and equal to 28.5°F or -2°C), the ala rm signal is delayed of a fix time (AdL parameter) equal to 30 sec, while for “DewPoint too high” condition the value (ASH parameter) is set by the user and the signal is activated with AdH delay time, that can be also set up by the operator (the instrument is already adjusted during final test of the dryer, please see following values). When DewPoint returns into operating temperature (set range), the alarm condition is deactivated. DMC14 allows also remote annunciation of the alarm condition of the dryer; this through a volt free contact on terminals 8 & 9 - please also see electric drawings into the attachments (max 250V 1A, min 5VDC 10mA) • with dryer off or in alarm conditions contact is open • with dryer on and correct operating DewPoint, contact is closed. OPERATION - After dryer starting, the electronic controller displays current operating DewPoint : it shows the measured temperature in Celsius degrees (● °C) with a 0.5°C resolution, or in Fahrenheit degr ees (● °F) with a 1°F resolution. SET-UP (PROGRAMMING)
To access the set-up, keep pressed simultaneously both set and button for at least 5 seconds. In this way programming operation will be activated and the controller display shows the first parameter that can be set (Ton).
After that, by pressing set button the display shows the value set for that parameter. If the value is correct press set button to conferm it and to give access on following parameters. To change the value of selected parameter,
must be used esc and button, respectively to decrease or increase the value. All parameters that can be modified are indicated in following table:
Display Description Value range Set value Equal to
Ton Activation time of the condensate drain solenoid valve.
01 … 20 02 2 sec
ToF Pause time of the condensate drain solenoid valve. 01 … 20 01 1 min ASH Alarm threshold for a high DewPoint. 0.0 … 20.0 15 15°C AdH ASH alarm time before signal. 00 … 20 20 20 min SCL Temperature scale. °C … °F °C °Celsius
Fixe Parameter: ASL (low DewPoint alarm) = -2°C AdL (signal delay) = 30 sec
It is possibile to exit from set-up conditon in any moment, by pressing simultaneously both esc and button. If any operations are not made during 30 seconds, the controller exits automatically from programming operation.
Technical description
32 DRYPOINT RS 4C – 500 HP50
5.21. DMC20 Electronic Instrument (Air Dryer Contro ller)
PQ
S00
11
1. Back-lighted LCD display 8. Led dryer in Stand-by
2. Led compressor ON 9. Led alarm ON
3. Led condenser fan(s) ON 10. Not used
4. Not Used 11. Set-up access button
5. Not Used 12. Incremental button
6. Not Used 13. Decrement button
7. Led crankcase heater ON 14. Dryer start-up button
15. Dryer stop button
The DMC20 controls all the operations, the alarms and the operational setting of the dryer. By means of a 32-character display it shows all the operating conditions. In case of abnormalities, a set of messages in the selected language allows a fast detection of the fault and the relevant solution. 5.21.1 DISPLAY MESSAGES When the main switch is turned ON, all the characters of the DMC20 display are activated for 2 seconds. Afterwards, the software release appears, and finally the two lines of the display are ready for their normal functions. When the dryer is in stand-by condition, the display shows "Stand-by", and the "crankcase oil heater" and "Stand-by" leds are ON. If the remote command is in use, the display shows "Stand-by Remote". To switch ON the dryer, keep the button [14] "Dryer Start-up" pressed for at least 2 seconds. NOTE : DMC20 has an internal timer that cannot allow to restart the compressor before 4 minutes after the switch off. The upper line of the display will show the DewPoint. The following parameters can be selected and displayed on the lower line: Air →O - temperature of the incoming air in °C Air ←O - temperature of the outgoing air °C Compr.LP - suction temperature of the compressor (low pressure side) in °C Compr.HP - discharge temperature of the compressor (high pressure side) in °C Condens. - condensing temperature in °C Ambient - ambient temperature in °C Water →O - inlet temperature of the cooling water (Water-Cooled) in °C Working - operating time of the dryer in hours
The parameter to be displayed on the lower line is selected pressing the [12] or [13] keys. In alarm condition, the list of the parameters to be displayed will include the DewPoint. To Shut down the dryer, keep the [15] button "Dryer Stop" pressed for at least 2 seconds
Technical description
DRYPOINT RS 4C – 500 HP50 33
5.21.2 ALARMS Any alarm condition is indicated by the flashing of the [9] led "Alarm" and the DMC20 activates a buzzer tone in order to alert the operator. The operator can stop the buzzer by pressing any key. The cause of the alarm will be displayed on the upper line of the LCD display.
Alarm Message Cause Intervention Point Intervention Delay
Remarks
Protection Comp. Thermal/electrical protection of the compressor
- No delay The dryer is stopped
Protection Fan. (Air-Cooled)
Thermal/electrical protection of the fan
- No delay The dryer is stopped
STOP Compr.LP PB Refrigerant low pressure switch
R404A = 1.0 barg No delay The dryer is stopped
STOP Compr.HP PA Refrigerant high pressure switch
R404A = 28.8 barg No delay The dryer is stopped
Condens. HIGH Condensation temperature too high (probe T6)
50 - 70 °C 0.5-20 adjustable
The dryer is stopped
DewPoint LOW DewPoint low (probe T1) -10 - 0 °C 0.5-20 adjustable
The operator chooses whether to stop dryer
DewPoint HIGH DewPoint high (probe T1) 10 - 20 °C 0.5-30 min adjustable
The operator chooses whether to stop dryer
Probe Fault One of the probes is faulty - No delay The dryer does not stop
STORING ALARMS IN MEMORY
When the “Automatic Start-Up” and “Reset ! Autom.” functions are deactivated (customer selected setting “no”), any alarm causing the dryer to stop and any anomaly with one or more probes (Probe Fault) is stored in the memory of DMC20. To reset the alarm memory the dryer is to be switched OFF (keep the button [15] "Dryer Stop" pressed for at least 2 seconds). The dryer is then to be switched ON again (keep the button [14] "Dryer Start-up" pressed for at least 2 seconds); If the alarm is no longer in effect the dryer will run correctly, otherwise the alarm message will appear again. When the “Automatic Start-Up” and “Reset ! Autom.” functions are activated (customer selected setting “yes”) any alarm which has caused the stop of the dryer and any anomaly with one or more probes (Probe Fault) is automatically reset once nominal conditions return and the dryer will run again automatically. Any alarm, which is not causing the stop of the dryer, is reset automatically when nominal working conditions return. 5.21.3 SET-UP The DMC20 is adjusted during the final test of the dryer. Where particular requirements concerning the operation or the alarm management exist, the user can change the setting of the programmed parameters. Set-up parameters are divided into two levels: anybody can access the level 1, while access to level 2 is reserved to authorised personnel provided with the password. To access to Set-up mode the [11] "Set-up access" button must be depressed for at least 2 seconds. Then it will be possible to display the desired parameter using the [12] and [13] keys. To modify the displayed parameter, use the [12] and [13] keys, while keeping the [11] key depressed. During Set-up, the upper line of the display will display the selected parameter, while the lower line will show the current value of the same parameter. To exit Set-up mode, press simultaneously the [12] and [13] keys, or wait 20 seconds.
NOTE : The character “!” means “Alarm”
DESCRIPTION OF SET-UP PARAMETERS
LEVEL 1 • Pass Code? : The system asks for the password to access the level 2 of the programming parameters; If the
password is not modified or wrong, only the parameters of level 1 will be accessible; NOTE : The password can be modified only when the dryer is in stand-by; therefore during operation, only the level 1 will be accessible.
• Language : It is possible to select the language for the alarm and dialogue messages
Technical description
34 DRYPOINT RS 4C – 500 HP50
• DewPoint Set : Not Used. • Diff. DewPoint : Not Used. • E Drain Time : Not Used. • E Drain Pause : Not Used. • S Drain Time : Setting of the condensate drainage time of the solenoid valve located on the condensate separator. • S Drain Pause : Setting of the pause time between two successive condensate drain cycles of the valve located on
the condensate separator. • Display Contrast. : Adjustment of the contrast of the LCD display, depending on the observation angle, the
illumination, the ambient temperature, etc. LEVEL 2
• Min DewPoint : Not Used. • Max DewPoint : Not Used. • ! Low DewPoint : Setting of the threshold activating the alarm for the low DewPoint. • Low DP Diff. ! : This is the differential temperature to deactivate the low DewPoint alarm. • Low DP Delay !: Setting in minutes of the delay for the low DewPoint alarm; For example, setting the "Low DewPoint
!" value on -5, the "Low DP Diff.!” value on 6, and the "Low DP Delay !” value on 10, the alarm is activated when the DewPoint remains below -5°C for at least 10 minutes and goes off as soon as the DewPoint goes over +1ºC.
• Stop ! Low DP : Selecting “YES”, it is possible to enable the low DewPoint alarm to Shut down the dryer; otherwise a simple alarm signal is displayed.
• ! High DewPoint : Setting of the threshold activating the alarm for the high DewPoint. • High DP Diff. ! : This is the differential temperature to deactivate the high DewPoint alarm. • High DP Delay ! : Setting in minutes of the delay for the high DewPoint alarm; For example, setting the "High
DewPoint !" value on 15, the "High DP ! Diff.” value on -5, and the "High DP Delay !” value on 10, the alarm is activated when the DewPoint remains over 15°C for a t least 10 minutes a goes off as soon as the DewPoint goes below +10ºC.
• Stop ! High DP : Selecting “YES”, it is possible to enable the high DewPoint alarm to Shut down the dryer; otherwise a simple alarm signal is displayed.
• Condensation ! : Setting of the activation threshold for the condensing temperature too high. • Condens. Diff. ! : This is the differential temperature to deactivate the high condensing temperature alarm. • Condens. Delay ! : Setting in minutes of the delay for the alarm when the condensing temperature is too high; For
example, setting the "Condensation !" value on 60, the "Condens.! Diff." value on -5, and the "Condens.! Delay" value on 10, the alarm is activated when the condensing temperature remains over +60°C for at least 10 minut es and goes off as soon as it falls, below +55ºC. NOTE : the condensing temperature,” too high alarm” will Shut down the dryer.
• Automatic Start-Up : At factory setting of “NO”, each time the dryer is powered ON it will always enter the Stand-by condition; Selecting “YES”, the dryer will continue the function it was performing at the moment of the power cut off.
SELECTING “YES” THE USER WILL BE RESPONSIBLE FOR TH E INSTALLATION OF PROPER PROTECTION FOR POSSIBLE SUDDEN POWER RESTORATION TO THE DRYER.
• Recovery After ! Autom . : Automatic alarms recovery; Selecting “NO”, in case of the activation of an alarm that stopped the dryer, the operator will have to stop the alarm switching the dryer to stand-by condition (pressing the [15] button for at least 2 seconds); If “YES” is selected, the dryer will revert to its previous operational condition as soon as the nominal conditions will be restored.
SELECTING “YES” THE USER WILL BE RESPONSIBLE FOR TH E INSTALLATION OF PROPER PROTECTION FOR POSSIBLE SUDDEN POWER RESTORATION TO THE DRYER.
• Peripheral No : Assignment of a physical address for the DMC20, in case this is connected to a data transmission
network via a serial port.
Technical description
DRYPOINT RS 4C – 500 HP50 35
SET-UP PARAMETERS TABLE Parameter Description Adjustment
Range Std
Value
Pass Code ? Password to access level 2 0 - 255 0 Language Selection of the language for dialogue and alarm messages Italian - English
German - French
DewPoint Set Not Used N.A. -5 ºC DewPoint Diff. Not Used N.A. 0.2 ºK E Drain Time Not Used 0 - 50 sec 3 sec
E Drain Pause Not Used 0.5 - 10 min 4.0 min S Drain Time Not Used 0 - 50 sec 4 sec
S Drain Pause Not Used 0.5 - 10 min 1.0 min Display Contrast. Adjustment of the Display contrast 0 - 100 50
Min DewPoint Not Used N.A. -10 ºC Max DewPoint Not Used N.A. 0 ºC Low ! DewPoint Temperature of interv. for the too low DewPoint alarm -10.0 - 0.0 ºC -5 ºC Low DP ! Diff. Differential temperature for the too low DewPoint alarm 1.0 - 10.0 ºK 6 ºK
Low DP ! Delay Delay time for the too low DewPoint alarm 0.5 - 20 min 10 min Low DP ! Stop STOP enabled in case the DewPoint of the dryer is too low YES/NO NO
High DewPoint ! Temperature of interv. for the too high DewPoint alarm 10.0 - 20.0 ºC 15 ºC High DP ! Diff. Differential temperature for the too high DewPoint alarm -1.0 - -10.0 ºK -5 ºK
High DP ! Delay Delay time for the too high DewPoint alarm 0.5 - 30 min 20 min High DP ! Stop STOP enabled in case the DewPoint of the dryer is too high YES/NO NO Condensation ! Temp. of intervention for the too high condensation
temperature alarm 50.0 - 70.0 ºC 60.0 ºC
Condens ! Diff. Differential temp. for the too high condensation
temperature alarm -1.0 - -10.0 ºK -5 ºK
Condens. ! Delay Delay time for the too high condensation temp. alarm 0.5 - 20 min 10 min
Start at Power Up
Machine enabled to restore its operation after a power black out
YES/NO NO
Recovery After ! Automatic alarms reset YES/NO NO Peripheral No. Unit address for serial communication 01 - 255 01
5.21.4 REMOTE COMMAND It is possible to remotely switch the dryer ON and OFF by means of a simple switch connected with two wires to the DMC20 (see terminal 20 and 21 on the electric diagram). Closing the contact of the command switch, on the display appears the message "Stand-by Remote", and no functions will be selectable on the local panel; as soon as the contact is opened, the dryer returns to the previous condition (Stand-by if it was in Stand-by condition, ON if it was ON).
IF INSTALLED, THE REMOTE CONTROL HAS PRIORITY ON TH E FRONTAL COMMANDS OF THE DMC20. THE USER WILL BE RESPONSIBLE FOR THE INSTALL ATION OF PROPER PROTECTIONS FOR POSSIBLE SUDDEN POWER RESTORATION TO THE DRYER.
L E V E L
1
L E V E L
2
Technical description
36 DRYPOINT RS 4C – 500 HP50
5.21.5 REMOTE ALARM SIGNAL A voltage free contact is provided for remote signalling the sum of any alarm condition of the dryer. 5.21.6 ACCESS CODE A serviceman’s code is required to access level 2.
The manufacturer accepts no responsibility for damages due to the alteration of the operating parameters.
The password is specified in the last page of this manual. The password must be kept by qualified personnel.
5.21.7 SERIAL COMMUNICATION The DMC20 features an RS485 serial port (see terminal A and B on DMC20 back side) allowing the connection to a network managed by a PC or PLC controller. A maximum of 255 DMC20 units can be connected to the same network. If a PC is used, the connection between the PC and the DMC20 network requires usage of an SBC485 interface adaptor (can be purchased as accessory - see spare parts list) to convert the RS232 (PC) signal into an RS485 (DMS20) signal. The RS485 line is made of a two wire cable and can be up to max. 2000 meters long; for long distance (exceeding 100m), it is advisable to use a shielded twisted pair polyethylene cable. For good data transmission, it is imperative that at the cable end of the RS485 line a 120 ohm ¼ watt resistor is placed, as shown in figure.
K E S
set
RS 232SBC 485
RS 485
A
B
PERIPHERAL No. 1
120
K E S
se t
A
B
PERIPHERAL No. 2
K E S
set
A
B
PERIPHERAL No. 255
CONNECTIONS COM # PC 25 pin RS232
SBC485 25 pin RS232
SBC485 9 pin RS485
DMC20 DATA connector
Shield - pin 1 n.c. A - pin 1 A Terminal
Tx - pin 2 pin 2 B - pin 2 B Terminal
Rx - pin 3 pin 3 Shield - pin 4 n.c.
RTS - pin 4 pin 4
CTS - pin 5 pin 5
GND - pin 7 pin 7
PROTOCOL The data flow between PC and SBC485 is controlled by an RTS signal. The protocol used for communication is a subset of MODICON MODBUS 1 (MB1); functions 03 and 06 only are supported. Data are exchanged in ASCII mode with the following format: Baudrate : 9600 Data bit : 7 Stop bit : 1 Parity : even
Technical description
DRYPOINT RS 4C – 500 HP50 37
DATABASE Below is a list of the parameter description, type and address of data on DMC20 :
Data Description Type Register Address
DewPoint DewPoint temperature - T1 probe Signed Integer 0000 - R Air →O Temperature of the incoming air - T2 probe Signed Integer 0001 - R Air ←O Temperature of the outgoing air - T3 probe Signed Integer 0002 - R
Compr.LP Suction temperature of the compressor (low pressure side) - T4 probe Signed Integer 0003 - R Compr.HP Outlet temperature of the compressor (high pressure side) - T5 probe Signed Integer 0004 - R Condens. Condensing temperature - T6 probe Signed Integer 0005 - R Water →O Inlet temperature of the cooling water (Water-Cooled) - T8 probe Signed Integer 0006 - R Ambient Ambient temperature - T7 probe Signed Integer 0007 - R
Language 1) Selection of the language for dialogue and alarm messages Signed Integer 0200 - R/W DewPoint Set Not Used Signed Integer 0201 - R/W Diff. DewPoint Not Used Signed Integer 0202 - R/W E Drain Time Not Used Signed Integer 0203 - R/W
E Drain Pause Not Used Signed Integer 0204 - R/W S Drain Time Not Used Signed Integer 0205 - R/W
S Drain Pause Not Used Signed Integer 0206 - R/W Display Contrast. Adjustment of the Display contrast Signed Integer 0207 - R/W
Min DewPoint Not Used Signed Integer 0208 - R/W Max DewPoint Not Used Signed Integer 0209 - R/W Low DewPoint Temperature of interv. for the too low DewPoint alarm Signed Integer 0210 - R/W Low DP Diff.! Differential temperature for the too low DewPoint alarm Signed Integer 0211 - R/W
Low DP Delay! Delay time for the too low DewPoint alarm Signed Integer 0212 - R/W High DewPoint ! Temperature of interv. for the too high DewPoint alarm Signed Integer 0213 - R/W High DP Diff.! Differential temperature for the too high DewPoint alarm Signed Integer 0214 - R/W
High DP Delay! Delay time for the too high DewPoint alarm Signed Integer 0215 - R/W Condensation ! Temperature of intervention for the too high DewPoint alarm Signed Integer 0216 - R/W Condens.Diff.! Differential temperature for the too high DewPoint alarm Signed Integer 0217 - R/W
Condens.Delay! Delay time for the too high DewPoint alarm Signed Integer 0218 - R/W Peripheral No Unit address for serial communication Signed Integer 0219 - R/W
Working Operating time of the dryer in hours Signed Integer 0246 - R/W Alarm STOP Presence of an alarm that has stopped the dryer bit - 1=Yes 0100.0 - R Alarm Status Presence of an alarm bit - 1=Yes 0100.1 - R
Cond. Fan Switch Status of the condenser fan control pressure switch bit - 1=ON 0101.3 - R Remote ON/OFF
Switch Status of the Remote ON/OFF switch bit - 0=Local
1=Remote 0101.6 - R
DewPoint LOW Low DewPoint alarm ON bit - 1=Yes 0102.0 - R DewPoint HIGH High DewPoint alarm ON bit - 1=Yes 0102.1 - R Condens. HIGH High Condensation temperature alarm ON bit - 1=Yes 0102.2 - R STOP Compr.LP Cooler low pressure switch (PB) alarm ON bit - 1=Yes 0102.4 - R STOP Compr.HP Cooler high pressure switch (PA) alarm ON bit - 1=Yes 0102.5 - R Protection Fan. Fan thermal/electrical protections alarm ON (Air-Cooled) bit - 1=Yes 0102.6 - R
Protection Comp. Compressor thermal/electrical protections alarm ON bit - 1=Yes 0102.7 - R Probe Fault Probe faulty alarm ON bit - 1=Yes 0102.8 - R
Stop ! Low DP STOP enabled in case the DewPoint of the dryer is too low bit - 1=Yes 0220.0 - R/W Stop ! High DP STOP enabled in case the DewPoint of the dryer is too high bit - 1=Yes 0220.1 - R/W
Automatic Start-up Machine enabled to restore its operation after a power black out bit - 1=Yes 0220.2 - R/W Recovery After !
Autom. Automatic alarms reset bit - 1=Yes 0220.3 - R/W
ON/OFF DMC20 Status of DMC20 - ON or OFF (Stand-by) bit-1=Stand-by 0220.15 - R/W
NOTE : 1) Language selection : 00=Italian - 01=English - 02=German - 03=French R=Read - W=Write
Technical description
38 DRYPOINT RS 4C – 500 HP50
5.22. Electronic level controlled condensate drain BEKOMAT The electronic level controlled drain BEKOMAT has a special condensate management that makes sure that condensate is drained safely without any unnecessary air-loss. This drain consists of a condensate accumulator where a capacitive sensor continuously checking liquid level is placed: as soon as the accumulator is filled, the sensor passes a signal to the electronic control and a diaphragm solenoid valve will open to discharge the condensate. Right in time the discharge line will be closed again without wasting compressed air. ATTENTION! These BEKOMAT condensate drains have been specially designed for the use in a refrigerant dryer DRYPOINT RS HP50. Any Installation in other compressed air treatment units or the exchange against a different drain brand may lead to malfunction. Do not exceed the max. operating pressure (see type plate)! Make sure when the dryer starts the upstream valve is open. NOTE: For detailed information on drainer functions, trou bleshooting, service and replacement parts, please refer to the BEKOMAT drainer manual.
Maintenance, troubleshooting, spares and dismantling
DRYPOINT RS 4C – 500 HP50 39
6. Maintenance, troubleshooting, spares and dismant ling
6.1. Controls and Maintenance
DANGER! Compressed air, mains voltage, unqualified personne l! Only qualified personnel should perform troubleshooting and or maintenance operations. Prior to performing any maintenance or service, be sure that: • no part of the machine is powered and that it cannot be connected to the mains supply. • no part of the machine is under pressure and that it cannot be connected to the compressed air
system. • Maintenance personnel have read and understand the safety and operation instructions in this
manual.
Before attempting any maintenance operation on the dryer, shut it down and wait at least 30 minutes.
DANGER! Hot surfaces! Some components can reach high temperature during operation. Avoid contact until system or component has dissipated heat.
DAILY: Verify that the DewPoint displayed on the electronic instrument is correct. Check the proper operation of the condensate drain systems. Verify the condenser for cleanliness. EVERY 200 HOURS OR MONTHLY
With an air jet (max. 2 bar / 30 psig) blowing from inside towards outside clean the condenser; repeat this operation blowing in the opposite way; be careful not to damage the aluminum fins of the cooling package.
• At the end, check the operation of the machine.
EVERY 1000 HOURS OR YEARLY • Verify for tightness all the screws of the electric system and that all the “Faston” type connections are in
their proper position, inspect unit for broken, cracked or bare wires. • Inspect refrigerating circuit for signs of oil and refrigerant leakage. • Measure and record amperage. Verify that readings are within acceptable parameters as listed in
specification table. • Inspect condensate drain flexible hoses, and replace if necessary. • At the end, check the operation of the machine.
Maintenance, troubleshooting, spares and dismantling
40 DRYPOINT RS 4C – 500 HP50
6.2. Troubleshooting 6.2.1. Troubleshooting DRYPOINT RS 4C - 130 HP50
Only qualified personnel should perform troubleshooting and or maintenance operations. Prior to performing any maintenance or service, be sure that: • no part of the machine is powered and that it cannot be connected to the mains supply. • no part of the machine is under pressure and that it cannot be connected to the compressed air
system. • Maintenance personnel have read and understand the safety and operation instructions in this
manual.
Before attempting any maintenance operation on the dryer, shut it down and wait at least 30 minutes. Some components can reach high temperature during operation. Avoid contact until system or component has dissipated heat
SYMPTOM POSSIBLE CAUSE - SUGGESTED ACTION
� The dryer doesn't start.
� Verify that the system is powered. � Verify the electric wiring.
� The compressor doesn’t work.
� Activation of the compressor internal thermal protection - wait for 30 minutes, then retry. � Verify the electric wiring. � Where installed - Replace the internal thermal protection and/or the start-up relay
and/or the start-up capacitor and/or the working capacitor. � The pressure switch PA has been activated - see specific point. � Where installed - The pressure switch PB has been activated - see specific point. � Where installed - The safety thermo-switch TS has been activated - see specific point. � If the compressor still doesn’t work, replace it.
� The fan of the condenser doesn’t work (Air-Cooled).
� Verify the electric wiring. � DRYPOINT RS 4C-12C HP50 - The DMC15 electronic controller is faulty - replace it. � DRYPOINT RS 15-130 HP50 - PV pressure switch is faulty - replace it. � There is a leak in the refrigerating fluid circuit - contact a refrigeration engineer. � If the fan still doesn't work, replace it.
� DewPoint too high. � The dryer doesn't start - see specific point. � The T1 DewPoint probe doesn’t correctly detect the temperature - ensure the sensor is
pushed into the bottom of copper tube immersion well. � The refrigerating compressor doesn’t work - see specific point. � The ambient temperature is too high or the room aeration is insufficient - provide proper
ventilation (Air-Cooled). � The inlet air is too hot - restore the nominal conditions. � The inlet air pressure is too low - restore the nominal conditions. � The inlet air flow rate is higher than the rate of the dryer - reduce the flow rate - restore
the normal conditions. � The condenser is dirty - clean it (Air-Cooled). � The condenser fan doesn’t work - see specific point (Air-Cooled). � The cooling water is too hot - restore the nominal condition (Water-Cooled). � The cooling water flow is insufficient - restore the nominal condition (Water-Cooled). � The dryer doesn’t drain the condensate - see specific point. � The hot gas by-pass valve is out of setting - contact a refrigeration engineer to restore
the nominal setting. � There is a leak in the refrigerating fluid circuit - contact a refrigeration engineer.
Maintenance, troubleshooting, spares and dismantling
DRYPOINT RS 4C – 500 HP50 41
� DewPoint too low. � DRYPOINT RS 4C-12C HP50 - The fan is always ON - the yellow LED of DMC15 controller is glowing continuously - see specific point.
� DRYPOINT RS 15-130 HP50 - The fan is always ON - PV pressure switch is faulty - replace it (Air-Cooled).
� Ambient temperature is too low - restore de nominal condition. � The hot gas by-pass valve is out of setting - contact a refrigeration engineer to restore
the nominal setting.
� Excessive pressure drop within the dryer.
� The dryer doesn’t drain the condensate - see specific point. � The DewPoint is too low - the condensate is frost and blocks the air - see specific
point. � Check for throttling the flexible connection hoses.
� The dryer doesn’t drain the condensate.
� The service valve located before the drain is closed - open it. � The dryer is not under pressure - restore nominal condition. � Solenoid valve defective. Replace Service Unit (see MANUAL BEKOMAT) � The internal printed circuit board is damaged - replace the drain.
� The dryer continuously drains condensate.
� Too much internal dirt. Replace Service Unit (see MANUAL BEKOMAT)
� Water within the line. � The dryer doesn't start - see specific point. � Where installed - Untreated air flows through the by-pass unit - close the by-pass. � The dryer doesn’t drain the condensate - see specific point. � DewPoint too high - see specific point.
� PA high-pressure switch has been activated.
� Check which of the following has caused the activation : 1. The ambient temperature is too high or the room aeration is insufficient - provide proper
ventilation (Air-Cooled). 2. The condenser is dirty - clean it (Air-Cooled). 3. The condenser fan doesn’t work - see specific point (Air-Cooled). 4. The cooling water is too hot - restore the nominal condition (Water-Cooled). 5. The cooling water flow is insufficient - restore the nominal condition (Water-Cooled). � Reset the pressure-switch pressing the button on the controller itself - verify the dryer
for correct operation. � The PA pressure switch is faulty - contact a refrigeration engineer to replace it.
� Where installed- The PB low-pressure switch has been activated.
� There is a leak in the refrigerating fluid circuit - contact a refrigeration engineer. � The pressure switch restores automatically when normal conditions are restored -
check the proper operation of the dryer.
� Where installed - The TS safety thermo-switch has been activated.
� Check which of the following has caused the activation : 1. Eccessive thermal load – restore the standard operating conditions. 2. The inlet air is too hot - restore the nominal conditions. 3. The ambient temperature is too high or the room aeration is insufficient - provide proper
ventilation. 4. The condenser unit is dirty - clean it. 5. The fan doesn’t work - see specific point. 6. There is a leak in the refrigerating fluid circuit - contact a refrigeration engineer. � Reset the thermo-switch by pressing the button on the thermo-switch itself – verify the
correct operation of the dryer. � The TS thermo-switch is faulty - replace it.
� DMC15- The first and the last LED of the display of electronic instrument blink simultaneously.
� Verify the electric wiring of (T1) DewPoint probe. � The (T1) DewPoint probe is faulty - replace it. � The DMC15 electronic controller is faulty - replace it.
Maintenance, troubleshooting, spares and dismantling
42 DRYPOINT RS 4C – 500 HP50
� DMC15- The yellow LED of the electronic controller is flashing continuously.
� Verify the electric wiring of (T2) fan control probe. � The (T2) fan control probe is faulty - replace it. � The DMC15 electronic controller is faulty - replace it.
� DMC15- The first LED of the display of electronic instrument is flashing continuously.
� DewPoint too low - see specific point. � The (T1) DewPoint probe is faulty - replace it. � The DMC15 electronic controller is faulty - replace it.
� DMC15- The last LED of the display of electronic instrument is flashing continuously.
� DewPoint too high - see specific point. � The (T1) DewPoint probe is faulty - replace it. � The DMC15 electronic controller is faulty - replace it.
� DMC14- The LED
of the instrument is on or flashes to indicate alarm situations.
� The LED flashes because the DewPoint is too high – see specific point.
� The LED flashes because the DewPoint is too low - see specific point.
� The LED flashes because the probe is faulty or interrupted, the instrument displays the message “PF” (Probe Failure) – replace the probe.
Maintenance, troubleshooting, spares and dismantling
DRYPOINT RS 4C – 500 HP50 43
6.2.2. Troubleshooting DRYPOINT RS 160-500 HP50
Only qualified personnel should perform troubleshooting and or maintenance operations. Prior to performing any maintenance or service, be sure that: • no part of the machine is powered and that it cannot be connected to the mains supply. • no part of the machine is under pressure and that it cannot be connected to the compressed air
system. • Maintenance personnel have read and understand the safety and operation instructions in this
manual.
Before attempting any maintenance operation on the dryer, shut it down and wait at least 30 minutes. Some components can reach high temperature during operation. Avoid contact until system or component has dissipated heat
SYMPTOM POSSIBLE CAUSE - SUGGESTED ACTION
� The dryer doesn't start.
� Verify that the system is powered. � Verify the electric wiring. � Intervention of the electric protection (see Q3/Q4 on the electric diagram) of the
auxiliary circuit - restore it and check the proper operation of the dryer. � DRYPOINT RS 400-500 HP50 /AC- The back panel of the dryer is open (SD door
interlock safety-switch has been activated) - make sure the back panel is correctly closed and the SD switch restored.
� DMC14- The “alarm” led is ON - see specific point. � DMC20- The “alarm” led is ON - see specific point.
� The compressor doesn’t work.
� Activation of the compressor internal thermal protection - wait for 30 minutes, then retry. � Verify the electric wiring. � The high pressure switch PA has been activated - see specific point. � The low pressure switch PB has been activated - see specific point. � The safety thermo-switch TS has been activated - see specific point. � DMC14- The “alarm” led is ON - see specific point. � DMC20- Internal delay device – wait at least 4 min from last shut-off. � DMC20- The “alarm” led is ON - see specific point. � If the compressor still doesn’t work, replace it.
� The fan of the condenser doesn’t work (Air-Cooled).
� Verify the electric wiring. � PV-PV1-PV2 pressure switch is faulty - contact a refrigeration engineer. � The fan power contactor (see V on the electric diagram) is faulty - replace it. � DMC14- The “alarm” led is ON - see specific point. � DMC20- The “alarm” led is ON - see specific point. � There is a leak in the refrigerating fluid circuit - contact a refrigeration engineer. � If the fan still doesn't work, replace it.
� DewPoint too high. � The dryer doesn't start - see specific point. � The T1 DewPoint probe doesn’t correctly detect the temperature - ensure the sensor is
pushed into the bottom of copper tube immersion well. � The Compressor doesn’t work - see specific point. � The ambient temperature is too high or the room aeration is insufficient - provide proper
ventilation (Air-Cooled). � The inlet air is too hot - restore the nominal conditions. � The inlet air pressure is too low - restore the nominal conditions. � The inlet air flow rate is higher than the rate of the dryer - reduce the flow rate - restore
the normal conditions. � The condenser is dirty - clean it (Air-Cooled). � The condenser fan doesn’t work - see specific point (Air-Cooled). � The cooling water is too hot - restore the nominal condition (Water-Cooled). � The cooling water flow is insufficient - restore the nominal condition (Water-Cooled). � The dryer doesn’t drain the condensate - see specific point. � The Hot Gas By-pass Valve is out of setting - contact a refrigeration engineer to restore
the nominal setting. � There is a leak in the refrigerating fluid circuit - contact a refrigeration engineer.
Maintenance, troubleshooting, spares and dismantling
44 DRYPOINT RS 4C – 500 HP50
� DewPoint too low. � The fan is always ON - PV-PV1-PV2 pressure switch is faulty - replace it (Air-Cooled).
� Ambient temperature is too low - restore de nominal condition. � The Hot Gas By-pass Valve is out of setting - contact a refrigeration engineer to
restore the nominal setting.
� Excessive pressure drop within the dryer.
� The dryer doesn’t drain the condensate - see specific point. � The DewPoint is too low - the condensate is frost and blocks the air - see specific
point. � Check for throttling the flexible connection hoses.
� The dryer doesn’t drain the condensate.
� The service valve located before the drain is closed - open it. � The dryer is not under pressure - restore nominal condition. � Solenoid valve defective. Replace Service Unit (see MANUAL BEKOMAT) � The internal printed circuit board is damaged - replace the drain.
� The dryer continuously drains condensate.
� Too much internal dirt. Replace Service Unit (see MANUAL BEKOMAT)
� Water within the line. � The dryer doesn't start - see specific point. � Where installed - Untreated air flows through the by-pass unit - close the by-pass. � The dryer doesn’t drain the condensate - see specific point. � DewPoint too high - see specific point.
� The safety thermo-switch TS tripped.
� Check which of the following has caused the activation : 1. Excessive thermal load – restore the standard operating conditions. 2. The inlet air is too hot - restore the nominal conditions. 3. The ambient temperature is too high or the room aeration is insufficient - provide
proper ventilation. 4. The condenser unit is dirty - clean it. 5. The fan doesn’t work - see specific point. 6. There is a leak in the refrigerating fluid circuit - contact a refrigeration engineer. � Reset the thermo-switch by pressing the button on the thermo-switch itself – verify the
correct operation of the dryer. � The TS thermo-switch is faulty - replace it.
� The PA high-pressure switch has been activated.
� Check which of the following has caused the activation : 1. The ambient temperature is too high or the room aeration is insufficient - provide
proper ventilation (Air-Cooled). 2. The condenser is dirty - clean it (Air-Cooled). 3. The condenser fan doesn’t work - see specific point (Air-Cooled). 4. The cooling water is too hot - restore the nominal condition (Water-Cooled). 5. The cooling water flow is insufficient - restore the nominal condition (Water-Cooled). � Reset the pressure-switch pressing the button on the controller itself - verify the dryer
for correct operation. � The PA pressure switch is faulty - contact a refrigeration engineer to replace it.
� The PB low-pressure switch has been activated.
� There is a leak in the refrigerating fluid circuit - contact a refrigeration engineer. � The pressure switch restores automatically when normal conditions are restored -
check the proper operation of the dryer.
� DMC14- The “alarm” led is ON.
� The PA high-pressure switch is activated - see specific point. � The PB low-pressure switch is activated - see specific point. � The electric protection (see Q1 on the electric diagram) of the compressor is activated
- restore it and retry. � The electric protection (see Q2 on the electric diagram) of the fan(s) is activated -
restore it and retry (air cooled). � The thermal protection (see TV on the electric diagram) inside the fan is activated -
wait 30 minutes and retry. � The safety thermo-switch TS has been activated - see specific point.
Maintenance, troubleshooting, spares and dismantling
DRYPOINT RS 4C – 500 HP50 45
� DMC14- The LED
of the instrument is on or flashes to indicate alarm situations.
� The LED flashes because the DewPoint is too high – see specific point.
� The LED flashes because the DewPoint is too low - see specific point.
� The LED flashes because the probe is faulty or interrupted, the instrument displays the message “PF” (Probe Failure) – replace the probe.
� DMC20- The “alarm” led is on.
� One of the following appears on the upper line of the DMC20 display : 1. "Protection Comp." : The electric protection (see Q1 on the electric diagram) of the
compressor is activated - restore it and retry. 2. "Protection Comp." : The safety thermo-switch TS has been activated - see specific
point. 3. "Protection Fan": (Air-Cooled) : Intervention of the electric protection (see Q2 on the
electric diagram) of the fan - restore it and check the proper operation of the dryer 4. "Protection Fan": (Air-Cooled) : Intervention of the thermal protection (see TV on the
electric diagram) inside the fan - wait 30 minutes and retry. 5. “STOP Compr. LP” : The PB low pressure-switch is activated - see specific point. 6. “STOP Compr. HP” : The PA low pressure-switch is activated - see specific point. 7. “Condens. HIGH” : condensing temperature is too high - see specific point. 8. “LOW DewPoint” : The DewPoint is too low - see specific point. 9. “HIGH DewPoint” : The DewPoint is too high - see specific point.
10. “Probe Fault” : one of the probes is faulty - see specific point.
� DMC20- The condensing temperature is too high.
� Check which of the following has caused the alarm : 1. The ambient temperature is too high or the room aeration is insufficient - provide
proper ventilation (Air-Cooled). 2. The condenser is dirty - clean it (Air-Cooled). 3. The condenser fan doesn’t work - see specific point (Air-Cooled). 4. The cooling water is too hot - restore the nominal condition (Water-Cooled). 5. The cooling water flow is insufficient - restore the nominal condition (Water-Cooled).
� DMC20- display “Probe Fault” message.
� One of the temperature probes is faulty - display in sequence all the temperatures - the parameter indicated with “?” corresponds to faulty probe.
� Verify that the probe-extension connector of faulty probe is correctly inserted in DMC20.
� Check the probe-extension connection between DMC20 and terminal board. � Check electric connection between probe and terminal board. � If the fault persists, replace probe and/or probe-extension. NOTE: If any probe is faulty the dryer will run correctly even if there is an alarm condition.
Maintenance, troubleshooting, spares and dismantling
46 DRYPOINT RS 4C – 500 HP50
6.3. Spare Parts The suggested spare parts list will enable you to promptly intervene in case of abnormal operation, so avoiding to wait for the spares delivery. In case of failure of other parts, for example inside the refrigerating circuit, the replacement must be worked out by a refrigerating systems specialist or in our factory. NOTE: To order the suggested spare parts or any other par t, it’s necessary to quote the data reported on the
identification plate. DRYPOINT RS HP50
N. DESCRIPTION OF THE SPARE PARTS CODICE 4C 8C 12C 15 22 30 40 50 75 100 130 2 Refrigerant gas pressure switch PB XE RA 5655 NNN 085 1 3 TS safety thermo-switch XE RA 5614 1NN 005 1 1 1 4 Refrigerant gas pressure switch PA XE RA 5655 NNN 087 1 1 1 1 1 1 1 1 1 1 1 5 Refrigerant gas pressure switch PV XE RA 5655 NNN 160 1 1 1 1 1 1 1 5 Refrigerant gas pressure switch PV XE RA 5655 NNN 170 1 6 Refrigerating compressor XE RA 5015 110 101 1 6 Refrigerating compressor XE RA 5015 110 104 1 6 Refrigerating compressor XE RA 5015 110 107 1 6 Refrigerating compressor XE RA 5015 110 113 1 6 Refrigerating compressor XE RA 5015 110 016 1 6 Refrigerating compressor XE RA 5025 116 002 1 6 Refrigerating compressor XE RA 5025 116105 1 6 Refrigerating compressor XE RA 5025 116 010 1 6 Refrigerating compressor XE RA 5030 116 015 1 6 Refrigerating compressor XE RA 5030 116 020 1 6 Refrigerating compressor XE RA 5030 116 025 1 7 Hot gas by-pass valve XE RA 6414 0SS 150 1 1 1 1 1 7 Hot gas by-pass valve XE RA 6414 0SS 155 1 1 1 1 1 1 9 Complete fan XE RA 5250 110 067 1 9 Complete fan XE RA 5250 110 071 1 1
9.1 Fan motor XE RA 5210 110 005 1 9.1 Fan motor XE RA 5210110011 1 1 1 1 9.1 Fan motor XE RA 5210 110 018 1 1 9.1 Fan motor XE RA 5210 110 022 1 9.2 Fan blade XE RA 5215 000 010 1 1 1 9.2 Fan blade XE RA 5215 000 019 1 1 9.2 Fan blade XE RA 5215 000 025 1 1 9.2 Fan blade XE RA 5215 000 034 1 9.3 Fan grid XE RA 5225 000 010 1 1 9.3 Fan grid XE RA 5225 000 014 1 1 9.3 Fan grid XE RA 5225 000 027 1 1 9.3 Fan grid XE RA 5225 000 030 1 10 Dehydration filter XE RA 6650 SSS 005 1 1 1 1 1 10 Dehydration filter XE RA 6650 SSN 150 1 1 10 Dehydration filter XE RA 6650 SSN 160 1 1 1 1 12 DMC15 Temperature probe XE RA 5625 NNN 033 1� 1� 1� 12 DMC15 Temperature probe XE RA 5625 NNN 035 1� 1� 1� 12 DMC14 Temperature probe (T1) XE RA 5625 NNN 035 1� 1� 1� 1� 1� 1� 1� 12 DMC14 Temperature probe (T1) XE RA 5625 NNN 037 1� 17 DMC15 Analog thermometer XE RA 5620 110 104 1� 1� 1� 17 DMC14 Electronic instrument XE RA 5620 110 103 1� 1� 1� 1� 1� 1� 1� 1�
21 BEKOMAT BM 12 COPN63 V BI (supply voltage)
1 1 1 1 1 1 1 1 1 1 1
22 Main switch 2P 0/1 XE RA 5450 SZN 010 1 1 1 1 1 1 1 22 Main switch XE RA 5450 SZN 117 1 1 1 1 31 Refrigerant relief valve XE RA 6415 0MN 100 1 1 1 1 1 1 1 1 1 1 31 Refrigerant relief valve XE RA 6415 0MN 102 1
� Suggested spare part.
Maintenance, troubleshooting, spares and dismantling
DRYPOINT RS 4C – 500 HP50 47
DRYPOINT RS HP50 Electronic Instrument
DMC14 Electronic Instrument
DMC20 N. DESCRIPTION OF THE SPARE PARTS CODICE 160 200 270 330 160 200 270 330 2 Refrigerant gas pressure switch PB XE RA 5655 NNN 085 1 1 1 1 1 1 1 1 3 TS safety thermo-switch XE RA 5614 1NN 005 1 1 1 1 1 1 1 1 4 Refrigerant gas pressure switch PA XE RA 5655 NNN 087 1 1 1 1 1 1 1 1 5 Refrigerant gas pressure switch PV XE RA 5655 NNN 170 1 1 1 1 1 1 1 1 6 Refrigerating compressor XE RA 5015 340 002 1 1 6 Refrigerating compressor XE RA 5015 340 006 1 1 6 Refrigerating compressor XE RA 5015 340 011 1 1 6 Refrigerating compressor XE RA 5015 340 007 1 1 7 Hot gas by-pass valve XE RA 6414 0SS 155 1 1 1 1 1 1 1 1 9 Complete fan XE RA 5250 110 073 2 2 9 Complete fan XE RA 5250 340 070 1 2 2 1 2 2
10 Dehydration filter XE RA 6650 SSN 165 1 1 1 1 1 1 1 1 12 Temp. probe L=1200mm (T1-T4) XE RA 5625 NNN 035 2� 2� 2�
12.1 Temp. probe. L=600mm (T7) XE RA 5625 NNN 033 1� 1� 1� 12.1 Temp. probe. L=2000mm (T2-T3-T5-T6-T8) XE RA 5625 NNN 037 1� 1� 1� 1� 5� 5� 5�
12.1 Temp. probe. L=2000mm (T1-T2-T3- T4-T5-T6- T7-T8)
XE RA 5625 NNN 038 8�
12.2 Extension for probe L=1200mm XE RA 5625 NNN 030 1� 1� 1� 1� 12.2 Extension for probe L=1800mm XE RA 5625 NNN 029 8� 8� 8� 17 DMC14 Electronic instrument XE RA 5620 110 103 1� 1� 1� 1�
17.1 DMC20 Analog thermometer XE RA 5620 100 005 1� 1� 1� 1� 17.2 DMC20 Power module XE RA 5620 100 006 1� 1� 1� 1� 17.3 Flat cable 16P L=1200mm XE RA 5625 NNN 100 1� 1� 1� 1�
21 BEKOMAT BM 12 COPN63 V BI (supply voltage)
1 1 1 2
21 BEKOMAT BM 12 COPN63 V BI (supply voltage)
1 1 1 2
22 Main switch XE RA 5450 SZN 120 1 1 22 Main switch XE RA 5450 SZN 100 1 1 1 1 1 1 31 Refrigerant relief valve XE RA 6415 0MN 102 1 1 1 1 31 Refrigerant relief valve XE RA 6415 0MN 104 1 1 1 1
60.1 Q1 - Circuit breaker XE RA 5444 3SM 145 1 1 60.1 Q1 - Circuit breaker XE RA 5444 3SM 152 1 1 1 1 1 1 60.2 Q2 - Circuit breaker XE RA 5444 3SM 130 1 1 60.2 Q2 - Circuit breaker XE RA 5444 3SM 135 1 1 1 1 1 1 60.3 Q3 - Circuit breaker XE RA 5444 3C6 011 1 1 60.3 Q3 - Circuit breaker XE RA 5444 3C6 010 1 1 1 60.3 Q3 - Circuit breaker XE RA 5444 4C6 015 1 1 1
60.4 Q1-Q2 - Auxiliary contact x circuit breaker Autom.
XE RA 5490 CAX 060 2 2 2 2 2 2 2 2
60.4 K - Auxiliary contact XE RA 5490 CAX 011 1 1 1 60.5 K - Power contact XE RA 5454 TLT 116 1 1 1 60.5 K - Power contact XE RA 5454 TLT 016 1 1 1 60.5 K-V - Power contact XE RA 5454 TLT 110 2 60.5 V - Power contact XE RA 5454 TLT 111 1 1 1 60.5 K-V - Power contact XE RA 5454 TLT 010 2 60.5 V - Power contact XE RA 5454 TLT 011 1 1 1 60.6 A - Auxiliary relay - 2 contacts XE RA 5456 REL 110 1 1 1 1 60.7 A - Relay socket - 2 contacts XE RA 5456 REL 015 1 1 1 1 60.8 P - Double ON/OFF button with light XE RA 5452 PLS 020 1 1 1 1 60.9 P - Neon lamp for the double button XE RA 5480 NEN 010 1 1 1 1 60.10 X - Rectangular red indicator 18x24 XE RA 5452 IND 005 1 1 1 1 60.11 X - Neon lamp for red indicator XE RA 5480 NEN 005 1 1 1 1 60.12 TF - Transformer XE RA 5440 TFM 052 1 60.12 TF - Transformer XE RA 5440 TFM 050 1 60.12 TF - Transformer XE RA 5440 TFM 025 1 1 1 1 1 1
� Suggested spare part.
Maintenance, troubleshooting, spares and dismantling
48 DRYPOINT RS 4C – 500 HP50
DRYPOINT RS HP50
Electronic Instrument DMC14
Electronic Instrument DMC20
N. DESCRIPTION OF THE SPARE PARTS CODICE 400 500 400 500 2 Refrigerant gas pressure switch PB XE RA 5655 NNN 085 1 1 1 1 3 TS safety thermo-switch XE RA 5614 1NN 005 1 1 1 1 4 Refrigerant gas pressure switch PA XE RA 5655 NNN 087 1 1 1 1 5 Refrigerant gas pressure switch PV XE RA 5655 NNN 170 2 2 2 2 6 Refrigerating compressor XE RA 5015 340 016 1 1 6 Refrigerating compressor XE RA 5015 340 018 1 1 7 Hot gas by-pass valve XE RA 6414 0SS 102 1 1 1 1 9 Complete fan XE RA 5250 340 105 1 1 1 1
10 Dehydration filter XE RA 6650 SSN 175 1 1 1 1 12 Temp. probe L=1200mm (T4-T5-T6) XE RA 5625 NNN 035 3� 3� 12 Temp. probe. L=2000mm (T1) XE RA 5625 NNN 037 1� 1� 1� 1�
12.1 Temp. probe. L=600mm (T7) XE RA 5625 NNN 033 1� 1� 12.1 Temp. probe. L=3600mm (T2-T3) XE RA 5625 NNN 039 2� 2� 12.2 Extension for probe L=1200mm XE RA 5625 NNN 030 1 1 12.2 Extension for probe L=1800mm XE RA 5625 NNN 029 8� 8� 17 DMC14 Electronic Instrument XE RA 5620 110 103 1� 1�
17.1 Display module DMC20 XE RA 5620 100 005 1� 1� 17.2 Power module DMC20 XE RA 5620 100 006 1� 1� 17.3 Flat cable 16P L=1200mm XE RA 5625 NNN 100 1� 1�
21 BEKOMAT BM 12 COPN63 V BI (supply voltage)
2 3
21 BEKOMAT BM 12 COPN63 V BI (supply voltage)
2 3
22 Main switch XE RA 5450 SZN 105 1 1 1 1 31 Refrigerant relief valve XE RA 6415 0MN 104 1 1 31 Refrigerant relief valve XE RA 6415 0MN 106 1 1
60.1 Q1 - Circuit breaker XE RA 5444 3C6 026 1 1 1 1 60.2 Q2 - Circuit breaker XE RA 5444 3SM 135 1 1 1 1 60.3 Q3 - Circuit breaker XE RA 5444 4C6 016 1 1 1 1
60.4 Q1 - Auxiliary contact x circuit breaker Autom.
XE RA 5490 CAX 002 1 1 1 1
60.4 Q2 - Auxiliary contact x circuit breaker Autom.
XE RA 5490 CAX 060 1 1 1 1
60.5 K - Power contact XE RA 5454 TLT 125 1 1 60.5 K - Power contact XE RA 5454 TLT 025 1 1 60.6 A - Auxiliary relay - 2 contacts XE RA 5456 REL 110 1 1 60.7 A - Relay socket - 2 contacts XE RA 5456 REL 015 1 1 60.8 P - Double ON/OFF button with light XE RA 5452 PLS 020 1 1 60.9 P - Neon lamp for the double button XE RA 5480 NEN 010 1 1 60.10 X - Rectangular red indicator 18x24 XE RA 5452 IND 005 1 1 60.11 X - Neon lamp for red indicator XE RA 5480 NEN 005 1 1 60.12 TF - Transformer XE RA 5440 TFM 025 1 1 1 1 60.13 K - Auxiliary contact XE RA 5490 CAX 010 1 1 1 1 60.13 K - Auxiliary contact XE RA 5490 CAX 011 1 1 60.14 V1-V2 - Power contact XE RA 5454 TLT 111 2 2 60.14 V1-V2 - Power contact XE RA 5454 TLT 011 2 2 60.15 V1-V2 - Interlock for power contact XE RA 5490 INM 010 1 1 1 1
� Suggested spare part.
Maintenance, troubleshooting, spares and dismantling
DRYPOINT RS 4C – 500 HP50 49
6.4. Maintenance operation on the refrigerating ci rcuit
CAUTION! Refrigerant! Maintenance and service on refrigerating systems must be carried out only by certified refrigerating engineers only, according to local rules. All the refrigerant of the system must be recovered for its recycling, reclamation or destruction. Do not dispose the refrigerant fluid in the environ ment.
This dryer comes ready to operate and filled with R134a or R404A type refrigerant fluid.
In case of refrigerant leak contact a certified refrigerating engineers. Room is to be aired before any intervention. If is required to re-fill the refrigerating circuit, contact a certified refrigerating engineers. Refer to the dryer nameplate for refrigerant type and quantity.
Characteristics of refrigerants used: Refrigerant Chemical formula TLV GWP R134a - HFC CH2FCF3 1000 ppm 1300 R404A - HFC CH2FCF3/C2HF5/C2H3F3 1000 ppm 3784
6.5. Dismantling of the Dryer If the dryer is to be dismantled, it has to be split into homogeneous groups of materials.
Part Material Refrigerant fluid R404A, R134a, Oil Canopy and Supports Carbon steel, Epoxy paint Refrigerating compressor Steel, Copper, Aluminium, Oil Alu-Dry Module Aluminium Condenser Unit Aluminium, Copper, Carbon steel Pipe Copper Fan Aluminium, Copper, Steel Valve Brass, Steel Electronic Level Drain PVC, Aluminium, Steel Insulation Material Synthetic gum without CFC, Polystyrene, Polyurethane Electric cable Copper, PVC
Electric Parts PVC, Copper, Brass
We recommend to comply with the safety rules in force for the disposal of each type of material. The chilling fluid contains droplets of lubrication oil released by the refrigerating compressor. Do not dispose this fluid in the environment. Is has to be discharged from the dryer with a suitable device and then delivered to a collection centre where it will be processed to make it reusable.
List of attachments
50 DRYPOINT RS 4C – 500 HP50
7. List of attachments
7.1. Dryers Dimensions
7.1.1. Dryers Dimensions DRYPOINT RS 4C-12C HP50
7.1.2. Dryers Dimensions DRYPOINT RS 15-22 HP50
List of attachments
DRYPOINT RS 4C – 500 HP50 51
7.1.3. Dryers Dimensions DRYPOINT RS 30-40 HP50
7.1.4. Dryers Dimensions DRYPOINT RS 50-100 HP50
List of attachments
52 DRYPOINT RS 4C – 500 HP50
7.1.5. Dryers Dimensions DRYPOINT RS 130-160 HP50
7.1.6. Dryers Dimensions DRYPOINT RS 200-330 HP50
7.1.7. Dryers Dimensions DRYPOINT RS 400-500 HP50
List of attachments
DRYPOINT RS 4C – 500 HP50 53
7.2. Exploded View 7.2.1. Exploded view table of components
1 Combined heat exchanger 21 Bekomat drainer
1.1 Insulation Material 22 Main switch
2 Refrigerant pressure-switch PB (DRYPOINT RS 130-500 HP50) …
3 TS safety thermo-switch (DRYPOINT RS 75-500 HP50) 31 Refrigerant relief valve
4 Refrigerant pressure switch PA …
5 Refrigerant pressure-switch (fan) PV 51 Front panel
(DRYPOINT RS 15-330 HP50) → PV1 - PV2 (DRYPOINT RS 400-500 HP50)
52 Back panel
6 Refrigerating compressor 53 Right lateral panel
7 Hot gas by-pass valve 54 Left lateral panel
8 Condenser 55 Cover
9 Condenser fan 56 Base plate
9.1 Motor 57 Upper plate
9.2 Blade 58 Support beam
9.3 Grid 59 Support bracket
10 Dehydration filter 60 Control panel
11 Capillary tube 61 Electric connector
12 T1 Temperature probe (DewPoint) 62 Electric box
13 Condensate drain service valve …
… 64 Internal panel
17 Electronic control instrument …
81 Flow diagram sticker
List of attachments
54 DRYPOINT RS 4C – 500 HP50
7.2.2. Exploded view DRYPOINT RS 4C HP50
List of attachments
DRYPOINT RS 4C – 500 HP50 55
7.2.3. Exploded view DRYPOINT RS 8C-12C HP50
List of attachments
56 DRYPOINT RS 4C – 500 HP50
7.2.4. Exploded view DRYPOINT RS 15-22 HP50
List of attachments
DRYPOINT RS 4C – 500 HP50 57
7.2.5. Exploded view DRYPOINT RS 30-50 HP50
List of attachments
58 DRYPOINT RS 4C – 500 HP50
7.2.6. Exploded view DRYPOINT RS 75-100 HP50
List of attachments
DRYPOINT RS 4C – 500 HP50 59
7.2.7. Exploded view DRYPOINT RS 130 HP50
List of attachments
60 DRYPOINT RS 4C – 500 HP50
7.2.8. Exploded view DRYPOINT RS 160 HP50
List of attachments
DRYPOINT RS 4C – 500 HP50 61
7.2.9. Exploded view DRYPOINT RS 200-330 HP50
List of attachments
62 DRYPOINT RS 4C – 500 HP50
7.2.10. Exploded view DRYPOINT RS 400-500 HP50
List of attachments
DRYPOINT RS 4C – 500 HP50 63
7.3. Electrical Diagram 7.3.1. Electrical Diagram table of components
IG : Main switch K : Refrigerating compressor KT : Compressor thermal protection KR : Compressor starting relay (if installed) CS : Compressor starting capacitor (if installed) CR : Compressor operating capacitor (if installed) V : Condenser fan CV : Fan starting capacitor (if installed) TV : Fan thermal protection DMC15 : DMC15 Electronic Instrument - Air Dryer Controller DMC14 : DMC14 Electronic Instrument - Air Dryer Controller DMC20 : DMC20 Display Module - Air Dryer Controller DMC20RI : DMC20 Power Module - Air Dryer Controller PR : Temperature probe (DewPoint) T1 : DewPoint temperature T2 : Temperature of the incoming air T3 : Temperature of the outgoing air T4 : Suction temperature of the compressor (low pressure side) T5 : Outlet temperature of the compressor (high pressure side) T6 : Condensing temperature T7 : Ambient temperature T8 Cooling water inlet temperature (Water-Cooled) PV : Pressure switch - Fan control (DRYPOINT RS 15-330 HP50 ) PV1 - PV2 : Pressure switch - Fan control (DRYPOINT RS 400-500 HP50 ) PA : Pressure switch - Compressor discharge side (HIGH-pressure) PB : Pressure switch - Compressor suction side (LOW-pressure - DRYPOINT RS 130-500 HP50) TS : Safety thermo-switch (DRYPOINT RS 75-500 HP50) BOX : Electric box ELD : Bekomat drainer SEZ : Main switch with door block P : Start-Stop button - Power on light X : Alarm on light R : Compressor crankcase heater CP : Control panel NT1 : Air Cooled only NT2 : Verify transformer connection according to power supply voltage NT3 : Jump if not installed NT4 : Provided and wired by customer NT5 : Limit of equipment NT6 : Timed drain output – Not used NT7 : Water Cooled only BN = BROWN OR = ORANGE BU = BLUE RD = RED BK = BLACK WH = WHITE YG = YELLOW/GREEN WH/BK = WHITE/BLACK
List of attachments
64 DRYPOINT RS 4C – 500 HP50
7.3.2. Electrical Diagram DRYPOINT RS 4C-12C HP50 - Electronic Instrument DMC15 S
EL0
046
Bu
PO
WE
R10
10 89
11
11
CS
T1 T22
CV
M
Bn
7 6 4 3
KR
CR
1
MA P
C
KT
Air Dryer Controller
Bu
Bu
Bn
Bn
7.3.3. Electrical Diagram DRYPOINT RS 15-50 HP50 - Electronic Instrument DMC14
DEW-POINT ALARM
PO
WE
R2
2 4 5
3
3
CV
max 250V 1A
8 9T111 12
M
KR
CR
MA P
C
KT
CS
Air Dryer Controller
Bn
min 5VDC 10mA
SE
L004
7
Bn
List of attachments
DRYPOINT RS 4C – 500 HP50 65
7.3.4. Electrical Diagram DRYPOINT RS 75-100 HP50 - Electronic Instrument DMC14
DEW-POINT ALARMP
OW
ER
2
2 4 5
3
3
CV
max 250V 1A
8 9T111 12
M MC
KT
CS
Air Dryer Controller
Bn
C
SR
SE
L004
8
min 5VDC 10mA
Bn
7.3.5. Electrical Diagram DRYPOINT RS 130 HP50 - El ectronic Instrument DMC14
Air Dryer Controller3
3
2 4 5 11 12
2P
OW
ER
M
CV
Bn
Bn
3
2
1
9
DEW-POINT ALARMmax 250V 1A
T18
KT
R
CS
S
MC
C
min 5VDC 10mA
SE
L001
8
List of attachments
66 DRYPOINT RS 4C – 500 HP50
7.3.6. Electrical Diagram DRYPOINT RS 160 HP50 - El ectronic Instrument DMC14
01
32
45
67
89
SU
PP
LYm
in 4
G2.
5
SE
Z0
1
3UW
MV
3
TV
MU
V
[2-9
]
K [2-1
]21
46
35
V [2-2
]
50-6
0Hz
W
A
TF
[2-9
]
Q3
4A
Q1
Q2
B
Rev
:D
raw
ing
no. :
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/B
EK
O T
EC
HN
OLO
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S G
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KV
KT
List of attachments
DRYPOINT RS 4C – 500 HP50 67
7.3.7. Electrical Diagram DRYPOINT RS 160 HP50 - El ectronic Instrument DMC14
T1
POWER
A
http
:// w
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BE
KO
TE
CH
NO
LOG
IES
GM
BH
[1-3
]6
5 13[2
-1]
14
1 3[1
-3]
2
[1-3
]4
65
[1-4
]11
N.U
.12
1 32
[1-4
][1
-4]
4
K A2
A1
V A2
A1
P
5A [2-9
]9
PV
02221
PR
DE
W-P
OIN
T A
LAR
M
min
5V
DC
10m
A
25
4
max
250
V 1
A
89
1211
Dra
win
g no
. :
/P
ag
Rev
:
4
9 121 85
[2-1
]
[2-7
]
XO
N C
P
N
Rd
L
13 14A
P
TS
A [2-9
]
4 12
13
Q2
[1-5
]14
ON
CP
B PK
13 14
1X
2W
h14
X1
[2- 1
]
13
01
2
Air
Dr y
er C
ontr
olle
r3
ON
CP
DM
C14
34
56
78
Q1
[1-3
]1413
9
ELD
TV
KT
P
PB
P
PA
List of attachments
68 DRYPOINT RS 4C – 500 HP50
7.3.8. Electrical Diagram DRYPOINT RS 160 HP50 - El ectronic Instrument DMC14
http
:// w
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BE
KO
TE
CH
NO
LOG
IES
GM
BH
Dra
win
g no
. :
/P
ag
Rev
:
01
23
45
67
89
SE
Z
Q2
MO
UN
TIN
G P
LAT
E
TE
RM
INA
L
UKK 5
KT
PA
PB
TV
PV
TF
Q3
7
TE
RM
INA
L
12
34
5
6
26W
IRE
TY
PE
14
1412
12
9
8
10
TS
24
32
22
VQ
1A
9 - 10
K
7 - 85 - 6
1 - 23 - 4
XD
MC
14P
ELD
List of attachments
DRYPOINT RS 4C – 500 HP50 69
7.3.9. Electrical Diagram DRYPOINT RS 160 HP50 - El ectronic Instrument DMC20
01
32
45
67
89
SU
PP
LYm
in 4
G2.
5
SE
Z0
1
Rev
:D
raw
ing
no. :
Pag
/ht
tp://
ww
w.b
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BE
KO
TE
CH
NO
LOG
IES
GM
BH
A
50-6
0Hz
TFQ3
4A
B
3 K
KT
UW
MV
3 V
TV
MU
V
[2-2
]
K [2-6
]21
643
5V [2-7
]
W
[2-3
]
Q1
Q2
List of attachments
70 DRYPOINT RS 4C – 500 HP50
7.3.10. Electrical Diagram DRYPOINT RS 160 HP50 - E lectronic Instrument DMC20
01
32
45
67
89
Rev
:D
raw
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no. :
Pag
/
P
PB
PA
P
A(On
CP
)D
MC
20T
1T
2T
3T
4
N.U
.
TV
TS
Q2
Q1
14[1
-3]
14[1
-5]
REMOTEON/OFF
13
T7
13
T5
T6
T8
[1-2
][1
-2]
[1-2
]
K
42 6531
A2
A1
1231
K11
13
B
DM
C20
RI
1514
E
165
6
S
7
P
PV
N.U
.
[1-4
]
V
42 6531
A2
A1
[1- 4
][1
-4]
PRPR
PR
PR
PR PR
PR
PR
BE
KO
TE
CH
NO
LOG
I ES
GM
BH
http
:// w
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C
KT
12
34
56
7
1314
1413
ELD
LN
B
List of attachments
DRYPOINT RS 4C – 500 HP50 71
7.3.11. Electrical Diagram DRYPOINT RS 160 HP50 - E lectronic Instrument DMC20
01
32
45
67
89
Rev
:D
raw
ing
no. :
Pag
/
COMPRESSOR THERMAL PROTECTION
PB
PA
TV
TIMED DRAIN OUTPUT
AIR COOLED ONLY
JUMP IF NOT INSTALLED
START/STOP REMOTE CONTROL
FAN THERMAL PROTECTION
BEKOMAT DRAINER
NOT USED
1
9
78
12
10
11
5
4
2
3
6
3912
20
20
22
20
25
UKK 5
TE
RM
INA
L
TE
RM
INA
L
WIR
E
TY
PE
29
2031
ELD
BE
KO
TE
CH
NO
LOG
IES
GM
BH
http
:// w
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COMPRESSOR DISCHARGE (HIGH) SIDESAFETY PRESSURE SWITCH
COMPRESSOR SUCTION (LOW) SIDESAFETY PRESSURE SWITCH
TS
MO
UN
TIN
G P
LAT
E
TF
Q3
Q1
Q2
V
7 - 8
K
5 - 63 - 41 - 2
11 - 129 - 10
DM
C20
RI
SE
ZD
MC
20
21
16
FAN CONTROL PRESS. SWITCHAIR COOLED ONLY
PV
KT
List of attachments
72 DRYPOINT RS 4C – 500 HP50
7.3.12. Electrical Diagram DRYPOINT RS 200-330 HP50 - Electronic Instrument DMC14
01
32
45
67
89
SU
PP
LYm
in 4
G2.
5
SE
Z0
1
3UW
MV
3
TV
MU
V
[2-9
]
K [2-1
]21
46
35
V [2-2
]
W
[2-9
]
Q1
Q2
Rev
:D
raw
ing
no. :
Pag
/B
EK
O T
EC
HN
OLO
GIE
S G
MB
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K2x
V
KT
50-6
0Hz
AB
Q4
TF
[2-1
]12
K11
Q3
A
R
List of attachments
DRYPOINT RS 4C – 500 HP50 73
7.3.13. Electrical Diagram DRYPOINT RS 200-330 HP50 - Electronic Instrument DMC14
T1
POWER
A
http
:// w
ww
.be k
o.de
BE
KO
TE
CH
NO
LOG
IES
GM
BH
[1-3
]6
5 1311
[2-1
]14
[1-9
]12
1 3[1
-3]
2
[1-3
]4
65
[1-4
]11
N.U
.12
1 32
[1-4
][1
-4]
4
K A2
A1
V A2
A1
P
5A [2-9
]9
PV
02221
PR
DE
W-P
OIN
T A
LAR
M
min
5V
DC
10m
A
25
4
max
250
V 1
A
89
1211
Dra
win
g no
. :
/P
ag
Re v
:
4
9 121 85
[2-1
]
[2-7
]
XO
N C
P
N
Rd
L
13 14A
P
TS
A [2-9
]
4 12
13
Q2
[1-5
]14
ON
CP
B PK
13 14
1X
2W
h14
X1
[2-1
]
13
01
2
Air
Dry
er C
ontr
olle
r3
ON
CP
DM
C14
34
56
78
Q1
[1-3
]1413
9
ELD
PB
P
P
PA T
V2
TV
1
List of attachments
74 DRYPOINT RS 4C – 500 HP50
7.3.14. Electrical Diagram DRYPOINT RS 200-330 HP50 - Electronic Instrument DMC14
01
23
45
67
89
PV
R
PB
PA
TV
1
212
TE
RM
INA
L
WIR
E115
TY
PE
TE
RM
INA
L
UKK 5
5
34
2612
6
7
2322
14
14 11
8
10
9
32
whitered T1
1212
T1
ELD
PR
/P
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ww
w.b
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BE
KO
TE
CH
NO
LOG
IES
GM
BH
Dra
win
g no
. :R
ev :
C - C
5 - 67 - 8
1 - 23 - 4Q
1
MO
UN
TIN
G P
LAT
E
T1
11 - 129 - 10
Q4
Q2
Q3
KV
TFA
SEZ
TS
C
C
TV
2
List of attachments
DRYPOINT RS 4C – 500 HP50 75
7.3.15. Electrical Diagram DRYPOINT RS 200-330 HP50 - Electronic Instrument DMC20
01
32
45
67
89
SU
PP
LYm
in 4
G2.
5
SE
Z0
1
3UW
MV
3MU
V
[2-2
]
K [2-6
]21
46
35
V [2-7
]
W
[2-3
]
Q1
Q2
Rev
:D
raw
ing
no. :
Pag
/
50-6
0Hz
AR
TFQ
36A
[2-5
]12
K11
B
A
http
:// w
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.bek
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BE
KO
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CH
NO
LOG
IES
GM
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KT
K
TV
2x V
List of attachments
76 DRYPOINT RS 4C – 500 HP50
7.3.16. Electrical Diagram DRYPOINT RS 200-330 HP50 - Electronic Instrument DMC20 0
13
24
56
78
9
Rev
:D
raw
ing
no. :
Pag
/
P
PB
PA
P
A(On
CP
)D
MC
20T
1T
2T
3T
4
[1-9
]12
11
TV
2T
SN
L
Q2
Q1
14[1
-3]
14[1
-5]
REMOTEON/OFF
B
13
T7
13T5
T6
T8
[1-2
][1
-2]
[1-2
]
K
42 6531
A2
A1
1231
K11
13
B
DM
C20
RI
1514
E
165
6
S
7
P
PV
1 2N
.U.
1 1
[1-4
]
V
42 6531
A2
A1
[1-4
][1
-4]
PRP
R
PR
PR
PR P
R
PR
PR
BE
KO
TE
CH
NO
LOG
IES
GM
BH
http
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ELD
76
54
32
1C
TV
1
List of attachments
DRYPOINT RS 4C – 500 HP50 77
7.3.17. Electrical Diagram DRYPOINT RS 200-330 HP50 - Electronic Instrument DMC20
01
32
45
67
89
Rev
:D
raw
ing
n o. :
Pag
/
FAN CONTROL PRESS. SWITCH
T4.COMPRESSOR SUCTION (LOW) SIDE
T5.COMPRESSOR DISCHARGE (HIGH) SIDE
PB
PV
PA
TV
1
TIMED DRAIN OUTPUT
T8.WATER IN
T7.AMBIENT
T6.CONDENSING
T1.DEW-POINT
WATER COOLED ONLY
AIR COOLED ONLY
AIR COOLED ONLY
START/STOP REMOTE CONTROL
FAN THERMAL PROTECTION
BEKOMAT DRAINER
COMPRESSOR CRANKCASE HEATER
REMOTE ALARM INDICATION
T3.AIR OUT
T2.AIR IN
NOT USED
R118
T8T7T7
T6T6
T8
T3
T2
T1T1
T2
T5T4
T3T4
T5
white
whitered
red
white
white
white
white
white
white
red
red
red
red
red
red
18
9
7
8
1312
10
11
16
1415
17
5
4
2
3
6
39
12
12
22
21
20
2520
424140
2031
UKK 5
TE
RM
INA
L
TE
RM
INA
L
WIR
E
TY
PE
20
29
1216
V
SEZ
KQ
1D
MC
20R
I
T3
13 - 1411 - 12
15 - 1617 - 18
7 - 8
1 - 23 - 45 - 6
9 - 10
T2T1
Q3
MO
UN
TIN
G P
LAT
E
T6
T4T5
T8T7
Q2 TF
TS
ELD
BE
KO
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CH
NO
LOG
IES
GM
BH
http
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PR
PR
PR
PR
PR
PR
PR
PR
COMPRESSOR DISCHARGE (HIGH) SIDESAFETY PRESSURE SWITCH
COMPRESSOR SUCTION (LOW) SIDESAFETY PRESSURE SWITCH
AIR COOLED ONLY
TV
2
FAN THERMAL PROTECTION
List of attachments
78 DRYPOINT RS 4C – 500 HP50
7.3.18. Electrical Diagram DRYPOINT RS 400-500 HP50 - Electronic Instrument DMC14 0
13
24
56
78
9
Rev
:D
raw
ing
no. :
Pag
/
50-6
0Hz
46
2
SU
PP
LYm
i n 4
G4
SE
Z0
1
Q1
U1
V1
W1
3UW
MV
[2-9
]
W2
M 3U
2
V2
TV
[2-9
]
V2
[2-3
]V
1[2
-2]
[2-1
]K
Q2
51
3
AR
TFQ
36 A
[2-1
]12
K
B
11
A
http
:// w
ww
.bek
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BE
KO
TE
CH
NO
LOG
IES
GM
BH
K
KT
V
List of attachments
DRYPOINT RS 4C – 500 HP50 79
7.3.19. Electrical Diagram DRYPOINT RS 400-500 HP50 - Electronic Instrument DMC14
01
32
45
67
89
Rev
:D
raw
ing
no. :
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V1 A
2
A1
A
11 13
65
12 1421 3
45 111 3
K A2
A1
SD
6 122 46
5 1112
1 32 4
V2 A
2
A1
P
PV
2
P
PV
1
NL
B
41 85
129
A 1413
P
TS
ON
CP
X
DM
C1 4
ON
CP
Rd
14
K [2-1
]
13
A [2-9
]95
02221
P
Wh
X2X1
ON
CP
11413
12[2
-9]
A4
[1-2
][1
-6]
[1-5
][1
-5]
[1-6
][1
-2]
[1-5
][1
-6]
[1-2
]N
.U.
N.U
.[1
-9]
[2-1
]
[2-7
]
[2-1
]
14[1
-5]
13
Q2
13 14[1
-2]
Q1
PB
P
P
PA
24
58
911
12
min
5V
DC
10m
A
DE
W-P
OIN
T A
L AR
Mm
ax 2
50V
1A
Air
Dry
er C
ont r
olle
r3
POWER
T1 P
R
TV
http
:// w
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.bek
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BE
KO
TE
CH
NO
LOG
IES
GM
BH
ELD
List of attachments
80 DRYPOINT RS 4C – 500 HP50
7.3.20. Electrical Diagram DRYPOINT RS 400-500 HP50 - Electronic Instrument DMC14
01
32
45
67
89
Rev
:D
raw
ing
no. :
Pag
/
MO
UN
TIN
G P
LAT
E
3 - 4
TF
1 - 2
T1
17 - 18
9 - 10
19 - 20
11 - 1213 - 1415 - 16
7 - 85 - 6
V2
Q2
Q3
V1
A
SEZ
KQ
1
FAN CONTROL PRESS. SWITCH - HIGH SPEED
FAN CONTROL PRESS. SWITCH - LOW SPEED
COMPRESSOR SUCTION (LOW) SIDE
SAFETY PRESSURE SWITCH
COMPRESSOR DISCHARGE (HIGH) SIDE
SAFETY PRESSURE SWITCH
AIR COOLED ONLY - JUMP IF NOT INSTALLED
FAN DOOR INTERLOCK SAFETY-SWITCH
max 250V 1A - min 5VDC 10mA
AIR COOLED ONLY - JUMP IF NOT INSTALLED
FAN THERMAL PROTECTION
AIR COOLED ONLY
T1. DEW-POINT
REMOTE ALARM ON INDICATION
AIR COOLED ONLY
COMPRESSOR CRANKCASE HEATERR
SD
PV
1P
AP
BP
V2
TV
TS
14 17
15 1
T1T1
TE
RM
INA
L
whiteW
IRE
red
1211109
1516
5
8
14
2
34
6
7
13
26
12
2322
31
12
23
14
-27
35
UKK 5
TY
PE
TE
RM
INA
L
1920
18
1230
12
NOT USED
TIMED DRAIN OUTPUT
BEKOMAT DRAINERELD
BE
KO
TE
CH
NO
LOG
IES
GM
BH
http
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PR
400 3x - 500 4x
List of attachments
DRYPOINT RS 4C – 500 HP50 81
7.3.21. Electrical Diagram DRYPOINT RS 400-500 HP50 - Electronic Instrument DMC20
01
32
45
67
89
Rev
:D
raw
ing
no. :
Pag
/
46
2
SU
PP
LYm
in 4
G4
SE
Z0
1
Q1
U1
V1
W1
3UW
MV
[2-2
]
W2
M 3U
2
V2
TV
[2-3
]
V2
[2-7
]V
1[2
-8]
[2-5
]K
Q2
51
3
50-6
0Hz
AR
TFQ
36A
[2-5
]12
K11
B
A
KT
BE
KO
TE
CH
NO
LOG
IES
GM
BH
http
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KV
List of attachments
82 DRYPOINT RS 4C – 500 HP50
7.3.22. Electrical Diagram DRYPOINT RS 400-500 HP50 - Electronic Instrument DMC20
01
32
45
67
89
Rev
:D
raw
ing
no. :
Pa g
/
P
PB
PA
P
12
A
V2
[2-7
]1211
DM
C20
(On
CP
)T
1
[2-8
]V
111
T2
T3
T4
1112
[1-9
]
TV
TS
NL
PV
1
PP
ON/OFFREMOTE
B
T7
T5
T6
T8
[1-2
][1
-2]
[1-2
]
K
62 451 3
A2
A1
312
1
K11
13
B
1211
[2-2
]12
11[2
-1]
PV
2
DM
C20
RI
51 3
V2 A
2
51 3[1
-5]
[1-5
]
[1-5
]
642A1
V1 642
[1-6
][1
-6]
[1-6
]
A2
A1
1415
E
65
16
S
7
Q1
[1-3
]
13 14[1
-5]
Q2
13 14
SD
http
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ww
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BE
KO
TE
CH
NO
LOG
IES
GM
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PR
PR
PR
PR
PR P
R
PR PR
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76
54
21
C3
List of attachments
DRYPOINT RS 4C – 500 HP50 83
7.3.23. Electrical Diagram DRYPOINT RS 400-500 HP50 - Electronic Instrument DMC20
01
32
45
67
89
Rev
:D
raw
ing
no. :
Pag
/
REMOTE ALARM INDICATION
T5.COMPRESSOR DISCHARGE (HIGH) SIDE
T4.COMPRESSOR SUCTION (LOW) SIDE
FAN DOOR INTERLOCK SAFETY-SWITCH
FAN CONTROL PRESS. SWITCH - HIGH SPEED
COMPRESSOR CRANKCASE HEATER
FAN CONTROL PRESS. SWITCH - LOW SPEED
BEKOMAT DRAINER
FAN THERMAL PROTECTION
START/STOP REMOTE CONTROL
AIR COOLED ONLY - JUMP IF NOT INSTALLED
AIR COOLED ONLY
AIR COOLED ONLY
AIR COOLED ONLY
WATER COOLED ONLY
T1.DEW-POINT
T2.AIR IN
T6.CONDENSING
T3.AIR OUT
T7.AMBIENT
T8.WATER IN
SD
R
TV
PV
2P
AP
V1
PB
23 - 24
19 - 2017 - 1815 - 16
21 - 22
T8
7 - 8
3 - 45 - 6
11 - 129 - 10
1 - 2
T4T3
T1T2
T5T6T7
13 - 14
TF
16
424140
20
12
3736
20
22
35
29
2120
12
5016
12
39
white
18
20
red
red
red
red
white
white
white
white
white
red
redW
IRE
white
white
red
red
31
6
T5
T4T3
T4T5
T2
T1T1
T2
TE
RM
INA
LT3
3
2
4
5
T8
1
T6T6
T7T7T8
17
1514
16
11
10
12
13
87
9
22
2423
20
1819
21
UKK 5
UKK 5
TE
RM
INA
LT
YP
E
DM
C20
RI
V1
Q3
Q2
K
SEZ
V2
Q1
TS
MO
UN
TI N
G P
LAT
E
NOT USEDTIMED DRAIN OUTPUT
http
:// w
ww
.bek
o.d e
BE
KO
TE
CH
NO
LOG
IES
GM
BH
PR
PR
PR
PR
PR
PR
PR
PR
ELD
SAFETY PRESSURE SWITCHCOMPRESSOR DISCHARGE (HIGH) SIDE
SAFETY PRESSURE SWITCHCOMPRESSOR SUCTION (LOW) SIDE
400 3x - 500 4x
����-------------------------------------------------------------------------------------------------------------------------------------------------------
The access code to the 2 level is :
20
����-------------------------------------------------------------------------------------------------------------------------------------------------------
EN
DRYPOINT RS 4C-500 HP50_manual_en_2009-11 Subject to technical changes without prior notice; errors not excluded. Original instructions are in ENGLISH.
BEKO TECHNOLOGIES GMBH Im Taubental 7 D-41468 Neuss Tel. +49 / (0) 21 31 / 988-0 Fax. +49 / (0) 21 31 / 988-900
http://www.beko.de