mpca rsb gb - calor · general the mpca-rsb series air-cooled water chillers consists of 8 models...
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PACKAGED AIRCOOLED WATER CHILLERSCOOLING ONLYOUTDOOR INSTALLATION
Cooling Capacity: 38,4kW - 165,3 kWR407c – Scroll
FeaturesOptimized design for R407c refrigerant.Casing:Galvanized steel plate with polyesteric coating.
AssemblyFully bolted/welding free.
Compressor:Hermetically sealed scroll type.
Air heat exchanger:Cross fin coil.Internally grooved copper tubes and louvered aluminium fins.
Direct drive propeler fan:Low rpm, quiet operation.
Water heat exchanger:Shell and tube type.
Safety and functional devices:- High/low pressure switch.- Linear fan speed regulation according to coil temperature.- Differential water pressostat.- Evaporator low water temperature protection.- Electronic microprosessor control with digital display.- Phase sequence-phase failure-reverse phase and voltage
monitoring device.- High and low pressure manometers.
The Interklima MPCA - RSB mediumcapacity series are packaged air cooledwater chillers for cooling applications andoutdoor installation. They are available in 8models with nominal capacities rangingfrom 38,4 to 165,3 kW.
This series is ideal in combination withInterklima fan coils or air handling units forresidences, offices, hotels, hospitals,shopping malls, shops, restaurants, etc., orfor supplying chilled water for industrialapplications.
MPCA 010-013-015-019-023-029037-046RSB
NOMENCLATURE
1 RangeS-small M-mid L-large R-screw-series
2 Packaged Chiller Air-cooledPCA
3 Model numbers010-013-015-019-023-025-029-030-031-036-037-038-042-044-046-047
4 Cool / Heat ModelR-cooling only H-heat pump
5 Compressor typeS-scroll M-tandem scroll R-reciprocatingT-twin screw
6 Refrigerant typeA-R22 B-R407c
7 Electrical Characteristic-1 Single phase -Ommited Three phase
Interklima Hydronic systemsMPCA 010-046RSB ñ R407c/Scroll 3
1. Technical Description
2. Specifications
3. Capacity Tables
4. Water Pressure Drop Curves
5. Operation Range
6. Sound Data
7. Outlook Drawings
8. Refrigerant Circuit Diagrams
9. Wiring Diagrams
10. Installation
11. Guide Specifications
Contents
GeneralThe MPCA-RSB series air-cooled water chillers consists of 8models covering capacities from 38,4 up to 165,3 kW.It is the end result of a thorough study, and accurate design byexperienced Interklima research and development teams, todevelop a mid size chiller series with compact shape, highperformance, and reliability of the highest quality standards.This series meets the highest levels of aesthetic and technicalrequirements using the latest technological innovations includingenvironmentally friendly R407c refrigerant that is Chlorine-freeand has zero ozone depletion potential. MPCA-RSB units aretherefore ideal for installation in urban environments due to theirelegant design, selected materials and low operating sound levels.
CasingAll units use metal parts that are fabricated from heavy gaugegalvanized steel sheets, formed to ensure maximum rigidity thatguarantees and preserves the units operation during the years. Afterfabrication these are degreased, phosphatised, and electrostaticallypowder coated with an epoxy-polyester RAL 9002 coating of athickness of 60-70 Ì. This fully automatic process ensures superiorcorrosion resistance against the most aggressive ambientconditions. The treatment can successfully withstand a salt spraytest of 500 hours, according to ASTM B-117.All components are assembled together using bolts thus avoiding theneed for welding which may harm the galvanization of the steel, andensures that the whole assembly can fully withstand adverseweather conditions.The compact footprint of the unit arises from detailed study anddesign by our engineering teams and results in a machine, which fitseasily in restricted areas and is simple and easy to install andmaintain, and has been designed with special fittings for easytransport and lifting.Removable side panels with special locks are used to permit accessonly to authorized personnel to internal components of the unit forinspection and maintenance. Electrical and electronic equipment andcomponents for proper unit operation are located in a weather proof(IP 55) electrical panel with access via a special key.
CompressorAll units’ use low-noise, maintenance free, Hermetic Scrollcompressors with low vibration levels, specially optimized for usewith R407c refrigerant. They are equipped with a crankcaseelectrical heater for the oil, and are internally protected againstpotential overloading or electrical spikes.The compressors are mounted on special antivibration rubbermounts to eliminate vibration from the unit’s operation.
Air heat exchanger All air heat exchangers are manufactured from high qualityseamless inner grooved copper tubes according to ASTM B-280,having an outside diameter of 9,52 mm (3/8"). The fins aremanufactured from aluminium and form the secondary extendedheat transfer surface. The fins are continuous across the heatexchanger and are fabricated in high precision dedicated presslines. The fin surface is waffle formed, so as to increase the finrigidity, and have special louvers that help increase heat transfer.The combination of internally grooved Copper-tubing and louveredfins has resulted in a heat transfer performance 30% superior tothat of a conventional coil for this particular application. Theassembly of the finned pack is achieved by mechanical expansionof the tubes in such a way as to form a perfect mechanical bondwith the fins. For this purpose, the fin holes have a peripheralextrusion (collar) of adjustable height. This extrusion serves todefine the distance between fins (and consequently the total heattransfer surface) and to ensure perfect contact of the fins to thetubes.Alternative fin materials are available upon request such as epoxy– coated aluminium and or copper for applications in especiallyaggressive environments.
Water heat exchanger All units are equipped with a Shell and Tube water –directexpansion type evaporator that has two separate cooling circuits,one for each independent refrigerant circuit. The casing is of steeland the internal tubes are of copper. There is an air vent valve,drain valve, probes for water temperature sensors, differentialpressure switch and the whole heat exchanger is wrapped in aheavy insulation material appropriate for external installation.
Air heat exchanger fansAll unit fans are of the axial type, single phase, 6 poles, internallyprotected against potential overheating, silent and suitable foroutdoor installation. Due to the sophisticated aerodynamic designof the blades and inlet cones, as well as the perfect static anddynamic balancing, their operation is completely vibration-free. Thefan-motor assembly has a protective grid against accidentalcontact with moving parts, which is designed according to ISOregulations. Fan motors are of the external rotor type,aerodynamically shaped so as not to interfere with the airflow, andhave permanently lubricated bearings that do not require servicing.Continuous linear fan speed regulation control is achievedaccording to coil temperatures including fan silent mode operation.This standard feature for Interklima MPCA units saves energy andreduces sound levels dramatically, optimizing performance.
Interklima Hydronic systemsMPCA 010-046RSB ñ R407c/Scroll4
Technical Description1.
Microprocessor controllerAll units are equipped with a sophisticated controller thatcombines intelligence with operating simplicity. The controllerconstantly monitors all machine parameters and preciselymanages among others: ñ Automatic compressor control function through return water
temperature.ñ Continuous fan speed control based on coil heat exchanger
temperature.ñ Hydraulic circuit pump control.ñ Compressor starting order control to reduce starting current.ñ Compressor operation control based on running time.ñ Compressor start up time delay function.ñ Compressor running time records.ñ Water pump running time records.ñ Over 150 programmable parameters.ñ Fan motor overload protection.ñ Auto diagnostic stop function due to low water circulation
high/low operating pressures, and compressor/pump thermaloverload.
ñ Auto diagnostic function and digital display of approximately30 possible error codes including thermistor faults.
ñ Digital displays of inlet / outlet water as well as coiltemperatures of each circuit.
ñ Remote on/ off switch.ñ Remote alarm indication capability.ñ Phase sequence - phase failure - reverse phase and voltage
monitoring.ñ Many optional control capabilities (listed in optional
accessories).
Refrigerant circuitAll units have two separate refrigerant circuits – one percompressor.Each circuit consists, depending on the size, of either a restrictoror thermal expansion valve. Other components fitted are a shut offvalve, solenoid valve (023-046), large capacity filter dryer with areplaceable core or fixed one depending on the size, sight glass(023-046), and high / low pressure manometers.Unit protection is provided by a high-pressure switch with manualreset, and a low-pressure switch with auto reset.
Optional accessories
Microprocessor controller optionsñ Remote keyboard.ñ Dynamic set point program via a 4-20ma proportional signal.ñ BMS module interface kit for Modbus connection.ñ Parallel chiller operation with standard controller for up to 2
units (4 compressors).ñ Microprocessor parameter reprogramming card.
Other unit accessories/optionñ Option of reciprocating,scroll, or tandem scroll compressor
based on specification.ñ R407c or R22 refrigerant.ñ Condenser fins made of copper or prepainted aluminum, and
Blygold treatment for corrosion protection.ñ Glycol application for low chilled water temperature down to
–5oC.ñ Pressure relief valve on compressor discharge.ñ A-meter, V-meter.ñ Hydraulic module without buffer tank.ñ Water heat exchanger antifreezing electrical heater.ñ Compressor noise reduction jacket.ñ Compressor chamber noise reduction kit.
Interklima Hydronic systemsMPCA 010-046RSB ñ R407c/Scroll 5
2.Technical specifications
Interklima Hydronic systemsMPCA 010-046RSB ñ R407c/Scroll6
Type
Nominal cooling capacity
Construction
Compressor
Quantity
Capacity steps
Absorbed power
Nominal operating current
Maximum operating current
Condenser
Evaporator
Quantity
Water content
Max. Operating pressure
Connections
Nominal water flow
Water pressure drop
Minimum system water content
Fan
Quantity
Speed
Total air flow
Absorbed power
Nominal operating current
Maximum operating current
Electrical characteristics
Total absorbed power
Nominal operating current
Maximum operating current
Compressor carter
Power cables cross section per phase
Fuses
Voltage operating limits
Refrigerant circuit
Number of circuits
Expansion device
Refrigerant type
Noise level at 5m
Dimensions
Shipping weight
kW
RT
Btu/h
Material/Color
kW
A
A
l
Water side bar
Refrigerant side bar
l/h
kpa
l
rpm
m3/h
kW
A
A
kW
A
A
kW
mm2
A
V
dB(A)
Width mm
Length mm
Heigth mm
kg
MPCA-010
38.4
10.9
130.909
2
2
11.9
24.4
34
1
12.0
10
29
1 1/2"
6.605
22.0
230
2
800
16.750
1.2
5.4
6.0
13.1
29.8
40.0
0.07
16
3x50
2
52
1100
2362
1300
575
46.7
13.3
159.205
2
2
14.3
29.0
40
1
12.0
10
29
1 1/2"
8.032
32.2
280
2
800
16.750
1.2
5.4
6.0
15.5
34.4
46.0
0.14
16
3x50
2
53
1100
2362
1300
640
54.0
15.3
184.091
2
2
16.3
30.6
44
1
14.7
10
29
2 1/2"
9.288
29.1
324
2
800
15.320
1.2
5.4
6.0
17.5
36.0
50.0
0.14
16
3x63
2
53
1100
2362
1300
650
66.2
18.8
225.682
2
2
20.5
35.5
54
1
16.0
10
29
2 1/2"
11.386
36.5
397
3
800
24.200
1.8
8.1
9.0
22.3
43.6
63.0
0.14
25
3x63
2
55
1100
3168
1300
730
MPCA-013 MPCA-015 MPCA-019
Galvanized steel / Light grey-beige (RAL 9002)SCROLL
High capacity cross finned coil with internally grooved tubes and louver fins
Shell and Tube
Electric network 400 V/3Ph/50Hz
360-440V
Restrictor
R407c
2.1 MPCA 010-046RSB
Interklima Hydronic systemsMPCA 010-046RSB ñ R407c/Scroll 7
Type
Nominal cooling capacity
Construction
Compressor
Quantity
Capacity steps
Absorbed power
Nominal operating current
Maximum operating current
Condenser
Evaporator
Quantity
Water content
Max. Operating pressure
Connections
Nominal water flow
Water pressure drop
Minimum system water content
Fan
Quantity
Speed
Total air flow
Absorbed power
Nominal operating current
Maximum operating current
Electrical characteristics
Total absorbed power
Nominal operating current
Maximum operating current
Compressor carter
Power cables cross section per phase
Fuses
Voltage operating limits
Refrigerant circuit
Number of circuits
Expansion device
Refrigerant type
Noise level at 5m
Dimensions
Shipping weight
kW
RT
Btu/h
Material/Color
kW
A
A
l
Water side bar
Refrigerant side bar
l/h
kpa
l
rpm
m3/h
kW
A
A
kW
A
A
kW
mm2
A
V
dB(A)
Width mm
Length mm
Heigth mm
kg
MPCA-023
80.9
23.0
275.795
2
2
24.6
43.4
64
1
18.5
10
29
2 1/2"
13.915
28.2
485
3
800
23.090
1.8
8.1
9.0
26.4
51.5
73.0
0.14
35
3x80
2
56
1100
3168
1300
750
107.3
30.5
365.795
2
2
32.5
55.3
80
1
24.0
10
29
3"
18.456
59.7
644
4
800
29.530
2.4
10.8
12.0
34.9
66.1
92.0
0.2
50
3x100
2
67
1910
2600
1650
1.150
133.6
38.0
455.455
2
2
40.3
70.1
104
1
35.1
10
29
3"
22.979
35.2
802
6
800
41.860
3.5
16.2
18.0
43.8
86.3
122.0
0.2
70
3x160
2
68
1910
3406
1650
1.320
165.3
47.0
564
2
2
48.1
83.5
124
1
51.4
10
29
DN100
28.432
24.5
992
6
800
41.860
3.5
16.2
18.0
51.6
99.7
142.0
0.2
95
3x160
2
69
1910
3406
1650
1.410
MPCA-029 MPCA-037 MPCA-046
Galvanized steel / Light grey-beige (RAL 9002)SCROLL
High capacity cross finned coil with internally grooved tubes and louver fins
Shell and Tube
Electric network 400 V/3Ph/50Hz
360-440V
Thermal expansion valve
R407c
NOTESNominal conditions are asfollows
entering/leaving chilledwater temperature 12/7oC;ambient 35oC DB
electrical installationspecifications are purelyindicative and non-binding,all connections to thesystem and the electricalinstallation must be in fullaccordance with allapplicable national and localcodes.
Interklima Hydronic systemsMPCA 010-046RSB ñ R407c/Scroll8
Capacity tables3.
MPCA-010
MPCA-013
MPCA-015
MPCA-019
MPCA-023
MPCA-029
MPCA-037
MPCA-046
Water outlet ÆC
Coolingcapacity
kW
Absorbedpower
kW
CurrentA
Absorbedpower
kW
CurrentA
Coolingcapacity
kW
Absorbedpower
kW
CurrentA
Coolingcapacity
kW
Absorbedpower
kW
CurrentA
Coolingcapacity
kW
Absorbedpower
kW
25 30 35 40 45
CurrentA
Coolingcapacity
kW
5
7
10
5
7
10
5
7
10
5
7
10
5
7
10
5
7
10
5
7
10
5
7
10
40.3
43.7
49.1
48.8
52.7
59.0
56.6
61.0
68.1
69.5
75.0
83.7
84.7
91.4
102.1
112.8
121.7
136.1
142.3
153.9
172.7
173.7
187.9
210.9
9.4
9.4
9.4
11.4
11.4
11.3
12.9
12.8
12.8
16.3
16.3
16.4
19.4
19.5
19.7
25.9
25.9
26.0
32.4
32.6
32.9
38.6
38.8
39.2
21.8
21.8
21.8
25.9
25.9
25.9
26.5
26.5
26.4
30.3
30.4
30.5
37.2
37.1
37.0
46.7
46.8
47.0
60.3
60.5
60.8
70.5
70.8
71.3
37.8
41.0
46.2
46.0
49.7
55.7
53.3
57.5
64.4
65.4
70.6
79.0
79.9
86.2
96.4
106.1
114.7
128.4
132.8
143.9
161.7
163.4
176.9
198.8
10.6
10.5
10.5
12.8
12.8
12.7
14.5
14.5
14.4
18.2
18.2
18.3
21.8
21.8
21.8
28.9
29.0
29.2
36.0
36.1
36.4
42.9
43.1
43.4
22.9
22.9
22.9
27.3
27.3
27.3
28.4
28.3
28.3
32.7
32.7
32.8
40.0
40.0
40.0
50.6
50.7
50.9
64.7
64.8
65.1
76.4
76.6
77.0
35.4
38.4
43.3
43.1
46.7
52.4
50.0
54.0
60.5
61.3
66.2
74.2
74.9
80.9
90.7
99.1
107.3
120.5
123.2
133.6
150.5
152.4
165.3
186.2
12.0
11.9
11.9
14.3
14.3
14.3
16.4
16.3
16.3
20.5
20.5
20.5
24.6
24.6
24.5
32.4
32.5
32.7
40.2
40.3
40.5
48.0
48.1
48.3
24.4
24.4
24.4
29.0
29.0
29.0
30.6
30.5
30.5
35.5
35.5
35.6
43.4
43.4
43.4
55.2
55.3
55.5
70.0
70.1
70.3
83.3
83.5
83.9
33.0
35.9
40.5
40.2
43.5
48.9
46.5
50.3
56.5
57.0
61.7
69.2
69.8
75.5
84.7
91.8
99.6
112.1
113.3
123.2
139.2
140.6
152.9
172.8
13.6
13.5
13.5
16.1
16.1
16.1
18.4
18.4
18.4
23.1
23.1
23.1
27.9
27.8
27.7
36.3
36.5
36.7
45.1
45.2
45.3
53.8
53.9
54.1
26.1
26.1
26.1
31.0
31.0
30.9
33.1
33.1
33.0
38.8
38.8
38.9
47.3
47.3
47.4
60.7
60.8
61.0
76.4
76.5
76.6
91.6
91.7
92.0
30.6
33.3
37.7
37.2
40.4
45.5
43.0
46.6
52.4
52.6
57.0
64.1
64.6
69.9
78.6
84.2
91.6
103.5
103.4
112.6
127.6
127.7
139.5
158.5
15.4
15.4
15.3
18.0
18.0
18.1
20.6
20.7
20.7
26.0
26.0
26.1
31.5
31.5
31.4
40.9
41.0
41.2
50.9
50.9
50.9
60.4
60.5
60.6
28.3
28.3
28.2
33.3
33.3
33.3
36.0
36.0
36.0
42.6
42.7
42.8
51.9
51.9
52.0
67.2
67.2
67.4
84.1
84.1
84.2
101.2
101.3
101.5
Type
Ambient temperature oC
Cooling capacity table for MPCA 010-046RSB
NOTESBold values show nominal cooling capacities.Absorbed power and current refers to the compressor.Above figures are valid for water ¢t = 5oC.
Interklima Hydronic systemsMPCA 010-046RSB ñ R407c/Scroll 9
90100
80
70
60
80 100x103706050
50
40
40
54 1010
15
15
20
20
I/h30
1
30kpa
PD
WF
2 3 4 5 6 7
Water pressure drop curves4.
MPCA 010-046RSB
NOTESPD: pressure dropWF: water flow rate1. MPCA 010-013RSB2. MPCA 015RSB3. MPCA 019RSB4. MPCA 023RSB5. MPCA 029RSB6. MPCA 037RSB7. MPCA 046RSB
% ETHYLENE GLYCOL BY VOLUME
Freezing point
Output duty
Input pow er
Equivalent Flow rate
Equivalent Pressure drop
ETHYLENE GLYCOL CORRECTION FACTORSUNIT 10oC
kW
kW
L/H
kPa
-4
0,99
0,99
1,02
1,06
20
-9
0,98
0,98
1,04
1,12
30
-15
0,97
0,98
1,08
1,18
40
-23
0,96
0,97
1,13
1,25
Interklima Hydronic systemsMPCA 010-046RSB ñ R407c/Scroll10
Operation range5.
Sound data6.
45
-5
0
6 15
Outdoor Temperature ( CDB)O
Leaving water temperature(oC)
4
47
NOTESProtect the water circuit against freezing
- The accompanying operating limits are for general guidance only.It may be possible for certain units to operate outside the confinesof the graph. Please contact Interklima if further clarification isrequired.
- For operation with leaving water temperature below 6 oC it isrequired to confirm with Interklima at the time of order and theaddition of glycol into the system.
MPCA-010
MPCA-013
MPCA-015
MPCA-019
MPCA-023
MPCA-029
MPCA-037
MPCA-046
Power
Pressure @1 m
Pressure @10 m
Power
Pressure @1 m
Pressure @10 m
Power
Pressure @1 m
Pressure @10 m
Power
Pressure @1 m
Pressure @10 m
Power
Pressure @1 m
Pressure @10 m
Power
Pressure @1 m
Pressure @10 m
Power
Pressure @1 m
Pressure @10 m
Power
Pressure @1 m
Pressure @10 m
dB(A)
74
66
46
75
67
47
75
67
47
77
69
49
78
70
50
89
81
61
90
82
62
91
83
63
63
78
70
50
78
70
50
78
70
50
79
71
51
79
71
51
80
72
52
81
73
53
81
73
53
125
70
62
42
70
62
42
70
62
42
72
64
44
73
65
45
83
75
55
84
76
56
85
77
57
250
71
63
43
72
64
44
72
64
44
72
64
44
72
64
44
79
71
51
80
72
52
81
73
53
500
71
63
43
72
64
44
72
64
44
73
65
45
73
65
45
79
71
51
79
71
51
81
73
53
1000
71
63
43
72
64
44
72
64
44
72
64
44
72
64
44
85
77
57
86
78
58
87
79
59
2000
64
56
36
65
57
37
65
57
37
66
58
38
65
57
37
79
71
51
80
72
52
81
73
53
4000
56
48
28
58
50
30
58
50
30
58
50
30
59
51
31
74
66
46
74
66
46
74
66
46
8000
47
39
19
49
41
21
49
41
21
50
42
22
50
42
22
66
58
38
67
59
39
66
58
38
Type Octave band center frequency (Hz)
C
B A
275175
11001260
1300
134
2362
1300
1594
TYPE A B CMPCA-010 1190 655 230MPCA-013 1190 655 230 MPCA-015 1030 390 230
275175
11001260
1300
134
1300
1100
3168
3168
AB
C
TYPE A B CMPCA-019 1190 1096 244MPCA-023 1380 840 244
Interklima Hydronic systemsMPCA 010-046RSB ñ R407c/Scroll 11
Outlook drawings7.
7.1 MPCA 010-015RSB
7.2 MPCA 019-023RSB
275175
19102070
1650
134
244
265 11702600
1650
275175
19102070
1650
134
A
3406
C
1910
B
TYPE A B CMPCA-037 1530 608 244MPCA-046 2030 350 280
Interklima Hydronic systemsMPCA 010-046RSB ñ R407c/Scroll12
7.3 MPCA 029RSB
7.4 MPCA 037-046RSB
3
4
52
4
1 1
5
3
3
4
6
5.1
5.12
6
4
1 1
3
Interklima Hydronic systemsMPCA 010-046RSB ñ R407c/Scroll 13
8.1 MPCA 010-019RSB
8.2 MPCA 023RSB
Refrigerant circuit diagrams8.
NOTES1. Compressor2. Shell and tube heat exchanger3. Condenser coil4. Filter dryer5. Expansion device (restrictor)5.1 Expansion device (Thermalexpansion valve)6. Solenoid valve
Interklima Hydronic systemsMPCA 010-046RSB ñ R407c/Scroll14
338
1 1
4
7
6
5.1
5.1
2
4
8
67
8.3 MPCA 029-046RSB
NOTES1. Compressor2. Shell and tube heat exchanger3. Condenser coil4. Filter dryer5. Expansion device (restrictor)5.1 Expansion device (Thermal expansion valve)6. Solenoid valve7. Sight glass8. Shut off valves
Interklima Hydronic systemsMPCA 010-046RSB ñ R407c/Scroll 15
Wiring diagrams9.
H
T
PUM
P TH
ERM
AL
CP
N N
A AL AL
FROM POWER CIRCUIT
S4
4
S2S3123S1
S
ST5ID6
ST6ID7
TF1
TC2T
TF2
F1
TT
F2
C2
+S
GNDID10
NCID9
GNDTK2
AN212
SW
S S
ST3ID3 ID2
ST2 ST1ID1
S
HP1
LP1
HLH
NCNC
ENERGY 400
-
P2 P1 P1
9875 6
Ltc1,2
10
F
FLOW
SW
ITCH
ID11ID8
Off
ON
ST4ID4ID5
GNDALL12AC12AC12DC TK1
GND
LP2
TC1
LT
P2C1
4321
F1
24
LF
SF
33 34
VC
TRANSFORMER
12V
F2
F1FF
EMI FILTER
220V
REM
OTE
ON-O
FF
L1
L2
L3
N
CC2CC1C2
FM2
C1HP
2
CONTROL CIRCUIT
FM1
9.1 MPCA 010-015RSB
CC2CC1
Sv1 Sv2
N N
SV2SV1
T
F3
TF3
C3
FM3
N
H
T
PUM
P TH
ERM
AL
CP
N N
A AL AL
FROM POWER CIRCUIT
S4
4
S2S3
123
S1
S
ST5ID6
ST6ID7
TF1
TC2T
TF2
F1
TT
F2
C2
+S
GNDID10
NCID9
GNDTK2
AN212
SW
S S
ST3ID3 ID2
ST2 ST1ID1
S
HP1
LP1
HLH
NCNC
ENERGY 400
-
P2 P1 P1
9875 6
Ltc1,2
10
F
FLOW
SW
ITCH
ID11ID8
Off
ON
ST4ID4ID5
GNDALL12AC12AC12DC TK1
GND
LP2
TC1
LT
P2C1
4321
F1
24
LF
SF33 34
VC
TRANSFORMER
12V
F2
F1FF
EMI FILTER
220V
REM
OTE
ON-O
FF
L1
L2
L3
N
CC2CC1C2
FM2
C1
HP2
CONTROL CIRCUIT
FM1
9.2 MPCA 019-023RSB
Interklima Hydronic systemsMPCA 010-046RSB ñ R407c/Scroll16
N
FM1
T
F3
T
F4
C
LF1
C
FM2
N
FM4
C
LF2
C
FM3
F2
T
F1
T
C
H
P
T
ENER
GY 4
00
N
L3L2
L1
ALAL
NN
LP1
L
P1P2
L
S
4
SV1
SV1 SV2
SV2
F1
12V
F2 VC
CC1
P1
H
LP2
TC1
TC2
9 105 6 873 421
S4S1S2S3
S
12
SS
3
ON
FF2
EMI
F1 24
FILTER
3433
CONTROL
OFF
ST5ID6ID7
ST6ID8ID11
ID9NC
ID10GND
TK2GND
12DCALL
12AC12AC
_
24F1 CONTROL
33 34
FF1
EMI
FROM POWER CIRCUIT
+
S
12AC12AC
ALL12DC
GNDTK1
GNDID5
ST4ID4
ST3ID3
ST2ID2 ID1
ST1
220V F
SW
SF1 SF2
CC1
CC2
A
CONTROL CIRCUIT
CC2
HP1
HP2
H
P2
T
C2C1
T
Ltc1 Ltc2
REM
OTE
ON-O
FF
FILTER
9.3 MPCA 029RSB
F3
T
F1
T
T
F2F5
T
T
F4
T
F6N
FM6FM5FM4
LF2 NLF1
FM1 FM2 FM3
C
H
P
T
ENER
GY 4
00
N
L3L2
L1
ALAL
NN
LP1
L
P1P2
L
S
4
SV1
SV1 SV2
SV2
F1
12V
F2 VC
CC1
P1
H
LP2
TC1
TC2
9 105 6 873 421
S4S1S2S3
S
12
SS
3
ON
FF2
EMI
F1 24
FILTER
3433
CONTROL
OFF
ST5ID6ID7
ST6ID8ID11
ID9NC
ID10GND
TK2GND
12DCALL
12AC12AC
_
24F1 CONTROL
33 34
FF1
EMI
FROM POWER CIRCUIT
+
S
12AC12AC
ALL12DC
GNDTK1
GNDID5
ST4ID4
ST3ID3
ST2ID2 ID1
ST1
220V F
SW
SF1 SF2
CC1
CC2
A
CONTROL CIRCUIT
CC2
HP1
HP2
H
P2
T
C2C1
T
Ltc1 Ltc2
REM
OTE
ON-O
FF
FILTER
9.4 MPCA 037-046RSB
(OPT
IONA
L)CO
MM
AND
220
V FO
R AN
TI F
REEZ
E H
EATE
RS
220
V AC
HPC T
PUM
P CO
MM
AND
(220
V A
C)
PUM
P TH
ERM
AL P
ROTE
CTIO
N
P2 P2LC1F2 T HT C2 LP1 P1 HF OFF
ONSW 2SALAL 1 S SS 3 T4 F1 T T F3 T F4
CIRC
UIT
1 LI
QUI
D SO
LENO
ID V
ALVE
LOW
PRE
SSUR
E PR
ESSO
STAT
CIR
CUIT
2
HIG
H P
RESS
URE
PRES
SOST
AT C
IRCU
IT 2
LOW
PRE
SSUR
E PR
ESSO
STAT
CIR
CUIT
1
COM
PRES
SOR
2 TH
ERM
AL P
ROTE
CTIO
N
CIRC
UIT
2 CO
IL T
EMPE
RATU
RE S
ENSO
R (S
T6)
220
V FO
R T
HER
MAL
PRO
TECT
ION
COM
P. 1
ENTE
RING
WAT
ER T
EMP.
SENS
OR
(ST1
)
FAN
1 TH
ERM
AL P
ROTE
CTIO
N
T F5FA
N 5
THER
MAL
PRO
TECT
ION
T F6FA
N 6
THER
MAL
PRO
TECT
ION
FAN
3 TH
ERM
AL P
ROTE
CTIO
N
COM
PRES
SOR
1 TH
ERM
AL P
ROTE
CTIO
N
HIG
H P
RESS
URE
PRES
SOST
AT C
IRCU
IT 1
LEAV
ING
WAT
ER T
EMP.
SEN
SOR
(ST2
)
CIRC
UIT
1 CO
IL T
EMPE
RATU
RE S
ENSO
R (S
T3)
FAN
2 TH
ERM
AL P
ROTE
CTIO
N
DIFF
EREN
TIAL
WAT
ER P
RESS
URE
SWIT
CH
REM
OTE
SW
ITCH
ON-
OFF
ALAR
M S
IGNA
L (N
.O. C
ONT
ACT)
FAN
4 TH
ERM
AL P
ROTE
CTIO
N
220
V FO
R T
HER
MAL
PRO
TECT
ION
COM
P. 2
CIRC
UIT
2 LI
QUI
D SO
LENO
ID V
ALVE
CRAN
KCAS
E H
EATE
R CO
MPR
ESSO
R 1
CRAN
KCAS
E H
EATE
R CO
MPR
ESSO
R 2
C-P PUMP COMMAND (220 V AC)T-H PUMP THERMAL PROTECTION (DRY CONTACT)F-SW DIFF. WATER PRESSURE SWITCHON-OFF REMOTE ON-OFF SWITCH (DRY CONTACT)AL-AL ALARM SIGNAL (DRY CONTACT)
CH1
LTC1
SV1
SV1 SV2
CH2
A
LTC2
SV2
F1 CONTROL CIRCUIT BREAKERF2 LOW VOLTAGE (12 V) CIRCUIT BREAKERFF1 CIRCUIT 1 FANS CIRCUIT BREAKERFF2 CIRCUIT 2 FANS CIRCUIT BREAKERSF1,2 CONDENSER FANS SPEED CONTROLERSVC VOLTAGE SURVEYOR CC1 COMPRESSOR 1 CONTACTORCC2 COMPRESSOR 2 CONTACTORSV1 CIRCUIT 1 LIQUID LINE SOLENOID VALVESV2 CIRCUIT 2 LIQUID LINE SOLENOID VALVE TC1 COMPRESSOR 1 THERMAL PROTECTIONTC2 COMPRESSOR 2 THERMAL PROTECTIONTF CONDENSER FANS THERMAL PROTECTIONHP1 HIGH PRESSURE PRESSOSTAT CIRCUIT 1LP1 LOW PRESSURE PRESSOSTAT CIRCUIT 1HP2 HIGH PRESSURE PRESSOSTAT CIRCUIT 2LP2 LOW PRESSURE PRESSOSTAT CIRCUIT 2S1 ENTERING WATER TEMPERATURE SENSORS2 LEAVING WATER TEMPERATURE SENSORS3 CIRCUIT 1 COIL TEMPERATURE SENSORS4 CIRCUIT 2 COIL TEMPERATURE SENSORTR1 TRANSFORMER 220/12V AC
FM1 CONDENSER FAN 1FM2 CONDENSER FAN 3FM3 CONDENSER FAN 3FM4 CONDENSER FAN 4FM5 CONDENSER FAN 5FM6 CONDENSER FAN 6Sª1 GENERAL CIRCUIT BREAKERCª1 COMPRESSOR 1Cª2 COMPRESSOR 2FC1 COMPRESSOR 1 CIRCUIT BREAKERFC2 COMPRESSOR 2 CIRCUIT BREAKERFCH COMPRESSORS CRANKCASE HEATERS CIRCUIT BREAKERCH1 CRANKCASE HEATER COMPRESSOR 1CH2 CRANKCASE HEATER COMPRESSOR 2LTC1 220 V FOR COMP. 1 THERMAL PROTECTIONLTC2 220 V FOR COMP. 2 THERMAL PROTECTION
TC P H
220
V AC SW ON OF
FF AL AL
ALARMLEGEND
FIELD CONNECTIONS
E00: REMOTE ON/OFF IN OFF POSITIONE01: HIGH PRESSURE CIRCUIT 1 E02: LOW PRESSURE CIRCUIT 1∂03: THERMAL PROTECTION COMP.1E04: THERMAL PROTECTION SWITCH COND.FANS E06: PROBE S2 FAULT (WATER OUTLET) E07: PROBE S3 FAULT (COIL 1)∂23: THERMAL PROTECTION SWITCH COMPRESSOR 2E21: HIGH PRESSURE CIRCUIT 2 E22: LOW PRESSURE CIRCUIT 2E27: PROBE S6 FAULT (COIL 2)E40: PROBE S1 FAULT (WATER INLET)E41: DIFFERENTIAL WATER PRESSURE SWITCH
Interklima Hydronic systemsMPCA 010-046RSB ñ R407c/Scroll 17
NN
W1 V1 U1 U2 V2 W2
CH1 CH2
POWER CIRCUITL1
SM1
L2
L3
Mp
PE FC1
CC1 CC2
FC2
CM1 CM2
FCH1 FCH2
CC1 CC2
CH1 CH2
VC
9.5 MPCA 010-046RSB
10.2 Centre of gravity
ªPCA 010-015RSB
550820
Interklima Hydronic systemsMPCA 010-046RSB ñ R407c/Scroll18
Installation10.
The MPCA-RSB unit should be installed in a location that meetsthe following requirements:1. The foundation is strong enough to support the weight of the
unit, and the floor is flat to prevent vibration and noisegeneration.
2. The space around the unit is adequate for servicing and theminimum space air inlet and air outlet is available. If severalunits are being installed side by side in parallel, the minimumservice space between them must be taken into account.
3. There is no danger of fire due to leakage of inflammable gas.4. Ensure that water cannot cause any damage to the location in
case it drips out the unit.
5. Make sure that the air inlet and outlet of the unit are notpositioned towards the main wind direction. Frontal wind shalldisturb the operation of the unit. If necessary, use awindscreen to block the wind.
6. In heavy snowfall areas, select an installation site where snowshall not affect operation of the unit.
7. Make sure that the unit can be fixed directly on concrete.8. In order to avoid the transmission of vibration from the
operating unit to its carrying structure, the use of antivibrationmaterial to install under the supports of the unit isrecommended. It is suggested to install a rubber pad betweenthe points of support and the base of the unit, or springantivibration mounts under each point of support of the unit.
10.1 Selection of location - service space
2000mm
1000mm
4000mm
500mm
2000mm
Interklima Hydronic systemsMPCA 010-046RSB ñ R407c/Scroll 19
ªPCA 019-023RSB
5501100
ªPCA 029RSB
9551200
ªPCA 037-046RSB
9551350
Interklima Hydronic systemsMPCA 010-046RSB ñ R407c/Scroll20
3
1 2 6
14
13
7
15
5
5
11
12
5
8
8
5
109
1621
3
4
4
7
55
MPCA
Example with one central pump
ñ All field connections must be carried out by a licensed technicianand must comply with the applicable local and national codes
ñ Evaporator water connections should be made in accordancewith the unit outlook respecting the water inlet – and outlets
ñ Water piping to be arranged so that the circulating pumpdischarges directly into the evaporator
ñ Install a flow switch or water differential pressostat (standardcomponent) in the water outlet piping to prevent the unit fromoperating at a water flow, which is too low. A terminal is providedin the switch box for the electrical connection of the flow switchin the control circuit.
ñ To avoid erosion, it is recommended to install a filter in thewater inlet pipe.
ñ It is essential to install a thermometer in the water inlet/ outletpipe to check temperatures.
ñ Provide heat insulation with suitable vapour barrier around thechilled water piping to prevent condensation and capacity loss.
ñ Provide drain connections at all low points of the system topermit complete drainage for maintenance and/ or shutdown.
ñ Air vents should be provided at all high points in the systemlocated where they are easily accessible for servicing. Thewater inlet pipe is specially designed to obtain a complete airpurge of the evaporator.
ñ Install an expansion tank on the suction side of the water pumpso that the water pressure on the pump suction shall be positive.
ñ To avoid frequent on/off operation of the compressor, aminimum water volume is required in the system (table 10.4).
ñ To assure proper operation of the unit, the water flow throughthe evaporator must be within the specified limits in (table10.4).
10.3 Recomendations concerning the hydraulic circuit
Interklima Hydronic systemsMPCA 010-046RSB ñ R407c/Scroll 21
3
1 25 6
5
14
13
7
15
1112
88
5
10916
21
3
4
4
75 5
5 5
56,1
6,1
6,1
5
5
55
5
5
5
MPCA
Example with internal loop pump and external zone pumps
NOTES1. Flexible2. Thermometer3. Manometer4. Air vent5. Shut off valve6. Pump (primary circuit)6.1 Pump (secondary circuit)7. Water filter8. Drainage9. Flow switch (optional)10. Balancing valve11. Buffer tank12. Electric resistance13. Automatic make up water valve14. Expansion membrane15. Check valve16. Safety valve
Interklima Hydronic systemsMPCA 010-046RSB ñ R407c/Scroll22
3,5-4 bar
17-19 bar
4-5 bar
21-23 bar
5,5-6 bar
24-26 bar
low pressure
high pressure
Minimum(outdoor temp. 15ÔCDB) (leaving water temp 6ÔC)
Nominal(outdoor temp. 35 CDB)
(leaving water temp, 7ÔC)
Maximum(outdoor temp. 38ÔCDB)
(leaving water temp, 25ÔC)
Cooling mode(region)
To ensure proper operation of the unit, a minimum water volumeis required in the system and the water flow must be within theoperation range as specified in the table.
It is important to check the high and low pressure of therefrigerant circuit to ensure the proper operation of the unitand to guarantee that the rated output shall be obtained.
Attention:The pressures measured shall vary between a maximum andminimum value, depending on the water and ambienttemperatures at the moment of measurement.
10.4 Watercharge, flow and quality
10.5 Operating pressure of the refrigerant circuit
230
280
324
397
485
644
802
992
MPCA-010RSB
MPCA-013RSB
MPCA-015RSB
MPCA-019RSB
MPCA-023RSB
MPCA-029RSB
MPCA-037RSB
MPCA-046RSB
Minimumwater
volume (l)
3137
3815
4412
5409
6610
8766
10915
13505
Minimumwater flow
(l/h)
6605
8032
9288
11386
13915
18456
22979
28432
Nominalwater flow
(l/h)
8256
10041
11610
14233
17394
23070
28724
35540
Maximumwater flow
(l/h)
Items to be controlled:
PH AT 25ÔC
∂lectrical conduct (mS/m) at 25ÔC
Chloride ion (mg CI-/I)
Sulfate ion (mg SO 2/4/I
M-alkalinity (ph 4.8) (mg SO3/I)
Total hardness (mg CaCO3/I )
Calcium hardness (mg CaCO3/I)
Silica ion (mg SiO2/I
Items to be referred to:
Iron (mg Fe/I)
Copper (mg Cu/I)
Sulfide ion (mg S2-/I)
Amonium ion (mg NH+4/I
Remaining chloride (mg CI/I)
Free carbide (mg SO2/I)
Stability index
6.8 - 8.0
below 30
below 50
below 50
below 50
below 70
below 50
below 30
below 1.0
below 1.0
Not detectable
below 0.3
below 0.25
below 0.4
-
6.8 - 8.0
below 30
below 200
below 50
below 50
below 70
below 50
below 30
below 0.3
below 0.1
Not detectable
below 0.1
below 0.3
below 4.0
-
7.0 - 8.0
below 30
below 30
below 30
below 50
below 70
below 50
below 30
below 1.0
below 1.0
Not detectable
below 0.1
below 0.1
below 0.4
-
7.0 - 8.0
below 30
below 30
below 30
below 50
below 70
below 50
below 30
below 0.3
below 1.0
Not detectable
below 0.1
below 0.3
below 4.0
-
ItemsCirculatingwater 20C Supply water Circulating
water 20C-60C Supply water
Tendencyif out of criteria
Evaporator water Heated water
corrosion + scale
corrosion + scale
corrosion
corrosion
scale
scale
scale
scale
corrosion + scale
corrosion
corrosion
corrosion
corrosion
corrosion
corrosion + scale
Be sure the water quality is in accordance with the specificationsbelow
NOTESThe above tables are purelyindicative and non-binding
User interface MPCA 010-046RSBThe interface on the front panel can be used to carry out all theoperations connected to the use of the instrument, and inparticular to:
Set operating mode Check the state of resourcesRespond to alarm situations
10.6.1 KeysSelects operating mode (Heating/defrost refersonly to MPCA-H series):
If the heating mode is enabled, each time thekey is pressed the following sequence occurs:Stand-by Cooling Heating Stand by
If cooling mode is enabled:Heating Stand-by Cooling Heating Stand byIn menu mode, this key acts as a SCROLL UPor UP key (increasing value).
Resets alarms, and turns the instrument onand off. Press once to reset all manually resetalarms not currently active.
Hold down the key for 2 seconds to turn theinstrument from on to off or vice versa. When it isoff, only the decimal point remains on the display.In menu mode this key acts as a SCROLL DOWNor DOWN key (decreasing value).
Pressing the “mode” and “on-off” keys at thesame time.
If you press both keys at the same time andthen release within 2 seconds, you shall moveone level deeper in the display menu. If you press both keys for more than 2 secondsyou shall move one level up.If you are currently viewing the lowest level inthe menu and you press both keys and releasewithin 2 seconds, you shall go up one level.
10.6.2.2 LedLed 1 compressor 1.ON if compressor 1 is activeOFF if compressor 1 is offRapid BLINK if safety timing is in progressSlow BLINK if compressor is currently set to defrost (heatpump version)
Led 2 compressor 1.ON if power step 2 is activeOFF if power step 2 is not activeRapid BLINK if safety timing is in progresslow BLINK if step 2 is currently defrosting
Led 3 compressor 2.ON if power step 3 is active (compressor 2).OFF if power step 3 is not activeRapid BLINK if safety timing is in progressSlow BLINK if step 3 is defrosting
Led 4 compressor 2.ON if power step 4 is activeOFF if power step 4 is not activeRapid BLINK if safety timing is in progressSlow BLINK if step 4 is defrosting
10.6.2 Displays10.6.2.1 DisplayNormal display shows:
ñ Regulation temperature in tenths of degreescelsius with a decimal point, or in degreesfahrenheit without a decimal point.
ñ The alarm code, if at least one alarm is active. Ifmultiple alarms are active, the one with greaterpriority shall be displayed, according to the Tableof Alarms.
ñ If temperature control is not analogue anddepends on the status of a digital input (ST1 orST2 configured as digital inputs), the “On” or“Off” label shall be displayed, depending onwhether temperature control is active or not.
ñ When in menu mode, the display depends on thecurrent position; labels and codes are used tohelp the user identify the current function.
ñ Decimal point: when displaying hours of operation,indicates that the value must be multiplied x 100.
10.6 Digital controler
Front panel of the instrument
1 2
3 4
Interklima Hydronic systemsMPCA 010-046RSB ñ R407c/Scroll 23
Interklima Hydronic systemsMPCA 010-046RSB ñ R407c/Scroll24
24
S + -
S + -
26
25
PCB CONTROL BOARD
BACK VIEW REMOTE
The remote keyboard on the display is an exact copy of theinformation displayed on the instrument, with the same leds;
Connection with the controller is illustrated below:
It performs exactly the same functions as those described in thedisplay section.The only difference is in use of the UP and DOWNkeys (to increase and decrease value), which are separate fromthe MODE and ON/OFF keys.
10.7 Remote keyboardDefrost led (heat pump version)ON if defrosting is in progressOFF if defrosting is disabled or has been completedBLINK if timing is in progress (defrost interval)
Electrical heater/boiler ledON if the internal anti-freeze electrical heater or boiler is onOFF if the internal anti-freeze electrical heater or boiler is off
Heating led (heat pump version)ON if the device is in heating mode
Cooling ledON if the controller is in cooling mode
If neither the HEATING led nor the COOLING led is on, thecontroller is in STAND-BY mode
Guide specifications
Interklima Hydronic systemsMPCA 010-046RSB ñ R407c/Scroll 25
The supply, transport to jobsite, installation, commissioning andstart up of an air cooled water chiller with the following technicalcharacteristics.The unit shall be factory assembled, charged with R407crefrigerant and factory tested.The capacity of the unit shall be no less than: kW
Ambient air temperature (DB) ÆCEntering water temperature ÆCLeaving water temperature ÆC
The unit shall operate unhindered within 6 to 15ÆC water outlettemperature, 3.5 to 7ÆC water temperature difference and 5 up to45ÆC ambient air temperature.The structural requirements shall be the following:
UNIT HOUSINGThe unit housing shall be fabricated from heavy gauge galvanizedsteel sheets, formed to ensure maximum rigidity that shallguarantee and preserve the unit operation during the years. Allmetal parts after fabrication shall be degreased phosphatized, andelectrostatically powder coated with epoxy- polyester RAL 9002coating of a thickness of 60-70 m. The corrosion resistancetreatment must successfully withstand a salt spray test of 500hours, according to ASTM B- 117. All components shall beassembled exclusively together using bolts, without welding. Theunit shall have removable access panels, designed in such amanner as to permit easy access to internal compartments onlyby authorized personnel. Electrical and electronic equipment andcomponents for proper unit operation shall be located in a weatherproof (IP 55) electrical panel with access via a special key.
COMPRESSORShall be of the hermetically sealed scroll type, with low noise andvibration levels, specially optimized for use with R407c refrigerant.They shall be equipped with a crank case electrical heater, toseparate refrigerant and oil when the unit is not operating. Theyshall also include internal protection against overloading orelectrical spikes.The compressor shall be mounted on special anti vibration rubbermounts to absorb and eliminate any vibration that can begenerated from the unit base.
AIR HEAT EXCHANGERThe air hear exchangers shall be manufactured from seamlesscopper tubes and an outside diameter of 9.52mm (3/8'') of high
quality according to ASTM B 280. The tubes shall be internallygrooved to achieve optimized heat transfer between refrigerantand tube. The fins shall be manufactured from aluminium. The finsshall be continuous across the heat exchanger and the fin surfaceshall be waffle formed and louvered so as to increase the finrigidity and heat transfer. The combination of internally groovedcopper tubing and louvered fins must result in a heat transferperformance 30% superior to that of a conventional coil.The assembly of the finned pack shall be achieved by mechanicalexpansion in such a way as to form a perfect mechanical bondwith the fins. For this purpose, the fin holes shall have a peripheralextrusion (collar).
WATER HEAT EXCHANGERAll units shall be equipped with a Shell and Tube water –directexpansion type evaporator that has two separate cooling circuits,one for each independent refrigerant circuit. The casing shall be ofsteel and the internal tubes of copper. There shall be an air ventvalve, drain valve, probes for water temperature sensors,differential pressure switch and the whole heat exchanger shall bewrapped in a heavy insulation material appropriate for externalinstallation.
AIR HEAT EXCHANGER FANS The unit shall be equipped with axial type fans, single phase, and6 poles, internally protected against potential overheating,noiseless and suitable for outdoor installation. The design of theblades and inlet cones shall be aerodynamic, and the fan motorassembly shall be perfectly statically and dynamically balancedallowing a completely vibration free operation. The fan motorassembly shall have a protective grid against accidental contactwith moving parts according to ISO. The fan motor shall be of theexternal rotor type with permanently lubricated bearings that donot require servicing. The motor shall be aerodynamically shapedso as not to interfere with the airflow. The unit shall be equippedwith a continuous linear fan speed regulation control according tocoil temperature.
CONTROL SYSTEM WITH MICROPROCESSOR CONTROLLER The control system shall possess a sophisticated controller thatshall constantly monitor all machine parameters and particularlymanage among others: ñ Automatic compressor control function through return water
temperature.ñ Continuous fan speed control based on coil heat exchanger
temperature.
11.
MPCA 010-046RSB
ñ Hydraulic circuit pump control.ñ Compressor start up time control function.ñ Compressor running time records.ñ Over 150 programmable parameters. ñ Fan motors overload protection.ñ Auto diagnostic stop function due to low water circulation,
high / low operating pressures and compressor thermal overload.
ñ Auto diagnostic function and digital display of approximately 30 possible error codes including thermistor faults.
ñ Digital displays of inlet/outlet as well as condensing temperatures of each circuit.
ñ Phase sequence phase failure - reverse phase and voltage monitoring device.
ñ Remote cool/ heat and on / off selection.ñ Various other optional control capabilities (listed in options).
REFRIGERANT CIRCUITThe unit shall have two refrigerant circuits one per compressor.The circuits depanding the size shall consist of a filter dryer withreplacable core, expansion device, solenoid valve, sight glass,shut off valves, high pressure switch with manual reset and a lowpressure switch with auto reset.
NOTEThe consultant may if required add the below mentioned optionalaccessories / functions.ñ Remote keyboard.ñ Dynamic set point program via a 4 20 mA proportional signal.ñ BMS module interface kit for modbus connection.ñ Parallel chiller operation with more than 2 units with optional
controller. ñ Microprocessor parameters reprogramming card.ñ Condenser fins made of prepainted aluminum or copper, and
blygold treatment for additional corrosion protection.ñ Shell and tube exchanger-freezing protection for low chilled
water temperature controlled by microprocessor.ñ Glycol for low chilled water temperatures.ñ Pressure relief valve on compressor discharge.ñ Hydraulic module without buffer tank.ñ Compressor chamber noise reduction.ñ Compressor noise reduction jacket.
Interklima Hydronic systemsMPCA 010-046RSB ñ R407c/Scroll26
Products are manufactured in ISO 9001:2000certified factories. ISO 9001:2000 pertains to quality
assurance regarding design, development,manufacturing and installation of products
as well as to services related to the product.
INTERKLIMA PRODUCTS ARE DISTRIBUTED BY:
EG
B-B
-3-1
-05/
06
Specifications subject to change without notice
Interklima units comply with the European regulations thatguarantee the safety of the product
Engineering Data 2006
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