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Water Cooled Packaged UnitModels: MWCP18A MWCP115A MWCP30A MWCP125A MWCP35A MWCP135A MWCP55A MWCP145A MWCP70A MWCP165A MWCP75A MWCP205A MWCP85A MWCP100A
Technical Manual MWCP-2007
�
Nomenclature...............................................................................................................................2
Features........................................................................................................................................2
Specification.................................................................................................................................3
Sound.Data....................................................................................................................................9
Performance.Data.......................................................................................................................17
Dimensional.Data.......................................................................................................................32
Electrical.Data.............................................................................................................................37
Wiring.Diagrams.........................................................................................................................42..
Refrigerant.Circuit.Diagram......................................................................................................50.
Troubleshooting.........................................................................................................................54
Exploded.View.and.Parts.List...................................................................................................55
Contents
Note:.Installation and maintenance are to be performed only by qualified personnel who are familiar with local codes and regulations, and experienced with this type of equipment.
Caution:.Sharp edges and coil surfaces are a potential injury hazard. Avoid contact with them.
Warning:.Moving machinery and electrical power hazard may cause severe personal injury or death. Disconnect and lock off power before servicing equipment.
“McQuay” is a registered trademark of McQuay International. All rights reserved throughout the world.
© 2007 McQuay International
Bulletin illustrations cover the general appearance of McQuay International products at the time of
publication and we reserve the right to make changes in design and construction at any time without notice.
2
FeaturesThe McQuay “SCROLL” MWCP water-cooled packaged units are designed for duct type air-conditioning system in commercial and industrial application. An optional plenum is available for MWCP18A-MWCP70A, for free standing applications. The MWCP water-cooled packaged unit has single or multiple hermetic compressors with independent refrigerant circuits. Each refrigerant circuit consists of a high efficiency condenser, a sealed strainer, and capillary tubes. Every McQuay MWCP unit has been leak tested, evacuated and fully charged with refrigerant R22 at the factory.
High Efficiency Hermetic Compliant Scroll Compressor• Quiet operation. • Unmatched reliability with 70% fewer moving parts than comparably sized reciprocating compressors.• Greater capability at handling liquid and debris in the system.• High efficiency performance.
Enhanced.Copper.Tubes.Condenser.Extra-high efficiency is attained by special designed shell-and-tube condenser with “T” groove copper tube surfaces for superior refrigerant-water heat transfer.
Anti-Corrosion.Unit.CasingUnit casing is constructed of electro-galvanized steel sheet. Casing surface is finished with epoxy polyester powder coating. Therefore, units are suitable for both commercial and industrial application.
Whisper-.Quiet.OperationEach unit is divided into separate compartments such that compressor noise is kept away from the supply air stream. Internal insulation of 1/2 inch thick fiberglass and double blowers design further reduce noise level.
Quality AssuranceEach unit is leak-tested, evacuated, fully charged with refrigerant and run tested in McQuay’s ISO9001 certified factory.
Nomenclature
Capacity
Water-Cooled Packaged
Brand: McQuay
Power Source �80-415V/�N/50Hz
Description
Export
Design Series
M WCP 18 A F EAA
�
MODE MWCP18A MWCP30A MWCP35A MWCP55A MWCP70A MWCP75A
NOMINAL CAPACITYBtu/h 58100 88800 119600 181000 240000 270910
W 17000 26000 �5000 5�000 70200 79400
NOMINAL TOTAL INPUT POWER kW 4.�4 (4.16) 7.10 (7.10) 9.70 (9.00) 14.29 (1�.49) 16.70 (15.90) 22.00
ELECTRICAL HEATER W 6000 9000 12000 21000 27000 �6000
POWER SOURCE V/Ph/Hz �80-415/�/50
REFRIGERANT TYPE R22
AIR FLOWl/s / cfm
800/1695 1167/2470 1916/4058 2250/4765 �000/6�5� �778/8000
EXTERNAL STATIC PRESSUREPa /
in.wg80 (0)/0.� (0)
100 (0)/0.4 (0) 150 (0)/0.5 (0) 200/0.8
SOUND PRESSURE LEVEL dBA 52 6� 65 67 70 72
UNIT DIMENSION
LENGTH mm/in 1078/42 1078/42 1278/150 1722/68 1922/76 1962/77
WIDTH mm/in 647/25 647/25 677/27 7�6/29 8�6/�� 1060/42
HEIGHT mm/in1789 (2058)/
70 (81)1789 (2058)/
70 (81) 1902 (2172)/
75 (86)1921 (2195)/
76 (86)20�5 (2404)/
80 (95)1961/77
PACKING DIMENSION
LENGTH mm/in 1190/47 1190/47 1�90/55 1810/71 20�8/80 2050/81
WIDTH mm/in 816/�2 816/�2 845/�� 850/�� 990/�9 1265/50
HEIGHT mm/in 2020/80 2020/80 2115/8� 2160/85 2290/90 221�/87
UNIT WEIGHT kg/lb205 (220)/451 (484)
2�5 (250)/517 (550)
280 (�00)/616 (660)
455 (485)/1001 (1067)
610 (650)/1�42 (14�0)
720/1584
CONDENSATE DRAIN SIZE mm/in 25.4/1 25.4/1 25.4/1 25.4/1 25.4/1 25.4/1
WATER PIPECONNECTION
TYPE Female Thread
SIZE mm/in �1.75/1.25 �1.75/1.25 �1.75/1.25 50.80/2.00 50.80/2.00 50.80/2.00
REFRIGERANT CHARGE kg/lb 1.45/�.2 2.50/5.5 �.10/6.8 5.00/11.0 7.40/16.2 8.60/19.0
SpecificationsGeneral Data
NOTES:1. ALLSPECIFICATIONSARESUBJECTEDTOCHANGEBYTHEMANUFACTURERWITHOUTPRIORNOTICE.2. NOMINALCOOLINGANDHEATINGCAPACITYAREBASEDONTHECONDITIONSBELOW:COOLING-27°CDB/19°CWB
INDOORAND30°C/35°CENTEMNG/LEAVINGWATER.TEMPERATURE.3. SOUNDPRESSURELEVELAREACCORDINGTOJISB8615STANDARD.POSITIONOFTHEMEASUREMENTPOINTIS1mIN
FRONTAND1mBELOWTHEUNIT.4. DATAINTHEBRACKETISFORTHEMODELWITHPLENUMBOX.
4
General Data
MODE MWCP85A MWCP100A MWCP115A MWCP125A
NOMINAL CAPACITYBtu/h 297400 �24200 �9�160 4�4690
W 87000 95000 115000 127400
NOMINAL TOTAL INPUT POWER kW 23.5 2�.90 �2.50 �4.50
ELECTRICAL HEATER W �6000 - 48000 48000
POWER SOURCE V/Ph/Hz �80-415/�/50
REFRIGERANT TYPE R22
AIR FLOW l/s / cfm �778/8000 4722/10000 5500/11647 6111/12941
EXTERNAL STATIC PRESSURE Pa / in.wg 200/0.8 250/1.0 250/1.0 �00/1.2
SOUND PRESSURE LEVEL dBA 72 74 75 76
UNIT DIMENSION
LENGTH mm/in 1962/77 1962/77 2182/86 2182/86
WIDTH mm/in 1060/42 1060/42 124�/49 124�/49
HEIGHT mm/in 1961/77 1961/77 2040/80 2040/80
PACKING DIMENSION
LENGTH mm/in 2050/81 2050/81 2�04/ 91 2�04/91
WIDTH mm/in 1265/50 1265/50 14�5/56 14�5/56
HEIGHT mm/in 221�/87 221�/87 2227/88 2227/88
UNIT WEIGHT kg/lb 800/1760 9�0/2046 1010/2222 10�0/2266
CONDENSATE DRAIN SIZE mm/in 25.4/1
WATER PIPECONNECTION
TYPE Female Thread
SIZE mm/in 50.8/2.00 6�.5/2.50 6�.5/2.50 6�.5/2.50
REFRIGERANT CHARGE kg/lb 7.50/18.0 12.70/27.9 1�.20/29.1 1�.50/29.7
NOTES:1. ALLSPECIFICATIONSARESUBJECTEDTOCHANGEBYTHEMANUFACTURERWITHOUTPRIORNOTICE.2. NOMINALCOOLINGANDHEATINGCAPACITYAREBASEDONTHECONDITIONSBELOW:COOLING-27°CDB/19°CWBIN-
DOORAND30°C/35°CENTEMNG/LEAVINGWATER.TEMPERATURE.3. SOUNDPRESSURELEVELAREACCORDINGTOJISB8615STANDARD.POSITIONOFTHEMEASUREMENTPOINTIS1mIN
FRONTAND1mBELOWTHEUNIT.4. DATAINTHEBRACKETISFORTHEMODELWITHPLENUMBOX.
5
General Data
MODE MWCP135A MWCP145A MWCP165A MWCP205A
NOMINAL CAPACITYBtu/h 443690 491470 525600 679180
W 130000 144000 154000 199000
NOMINAL TOTAL INPUT POWER kW �2.20 �4.50 �9.20 47.80
ELECTRICAL HEATER W 48000 48000 60000 60000
POWER SOURCE V/Ph/Hz �80-415/�/50
REFRIGERANT TYPE R22
AIR FLOW l/s / cfm 68��/14470 68��/14470 7���/15529 9167/19412
EXTERNAL STATIC PRESSURE Pa / in.wg �00/1.18 �00/1.18 �50/1.�8 �50/1.�8
SOUND PRESSURE LEVEL dBA 76 77 77 79
UNIT DIMENSION
LENGTH mm/in 2�82/86 2�82/86 2�82/94 �012/119
WIDTH mm/in 124�/49 124�/49 124�/49 15�4/60
HEIGHT mm/in 2040/80 2040/80 2040/80 208�/82
PACKING DIMENSION
LENGTH mm/in 2550/100 2550/100 2550/100 �510/1�8
WIDTH mm/in 1454/57 1454/57 1454/57 1625/64
HEIGHT mm/in 2262/89 2262/89 2262/89 2225/88
UNIT WEIGHT kg/lb 1225/2695 12�5/2717 1250/2750 1400/�081
CONDENSATE DRAIN SIZE mm/in 25.4/1 25.4/1 25.4/1 25.4/1
WATER PIPECONNECTION
TYPE Female Thread
SIZE mm/in 6�.5/2.50 76.2/�.00 76.2/�.00 76.2/�.00
REFRIGERANT CHARGE kg/lb 16.90/�7.1 17.60/�8.6 20.00/44.0 4�.00/94.6
NOTES:1. ALLSPECIFICATIONSARESUBJECTEDTOCHANGEBYTHEMANUFACTURERWITHOUTPRIORNOTICE.2. NOMINALCOOLINGANDHEATINGCAPACITYAREBASEDONTHECONDITIONSBELOW:COOLING-27°CDB/19°CWBIN-
DOORAND30°C/35°CENTEMNG/LEAVINGWATER.TEMPERATURE.3. SOUNDPRESSURELEVELAREACCORDINGTOJISB8615STANDARD.POSITIONOFTHEMEASUREMENTPOINTIS1mIN
FRONTAND1mBELOWTHEUNIT.4. DATAINTHEBRACKETISFORTHEMODELWITHPLENUMBOX.
�
Components Data
NOTE:ALL SPECIFICATIONS ARE SUBJECTED TO CHANGE BY THE MANUFACTURER WITHOUT PRIOR NOTICE.
MODEL MWCP18A MWCP30A MWCP35A MWCP55A MWCP70A
FAN
TYPE DOUBLE INLET CENTRIFUGAL
QUANTITY 1
MATERIAL GI
DRIVE Belt Drive
DIAMETER mm/in 228/9 254/10 305/12 381/15 381/15
MOTOR
TYPE Squirrel Cage Induction
QUANTITY 1
INDEX OF PROTECTION (IP) IP54
COMPRESSORTYPE Scroll
OIL TYPE Mineral oil
EVAPORATOR COIL
TUBE
MATERIAL Copper
DIAMETER mm/in 9.52/0.375
THICKNESS mm/in 0.35/0.014
FIN
MATERIAL Aluminum
THICKNESS mm/in 0.11/0.004
FACE AREA m2/ft2 0.51/ 0.02 0.�3/0.03 0.78/0.03 1.17/12.�4 1.35/14.58
ROW 3
FIN PER INCH 12
CONDENSER
TYPE TUBE IN TUBE SHELL AND TUBE
WATER FLOW m³/h 3.4 5.5 8.5 11 12.�
PRESSURE DROP Kpa 35 37 38 40 42
WATER PIPE SIZE in R1-1/4" R2"
AIR QUALITY FILTER
TYPE Nylon
QUANTITY pc 1
SIZE
LENGTH mm/in825/
32.48825/
32.481025/40.35
14��/57.72
1�5�/�5.20
WIDTH mm/in5�5/
22.24754/29.�9
775/30.51
725/28.54
825/32.48
THICKNESS mm/in 8/0.315
CASINGMATERIAL EG
COLOUR Light Grey(RALF032)
7
Components Data
NOTE:ALL SPECIFICATIONS ARE SUBJECTED TO CHANGE BY THE MANUFACTURER WITHOUT PRIOR NOTICE.
MODEL MWCP75A MWCP85A MWCP100A MWCP115A MWCP125A
FAN
TYPE DOUBLE INLET CENTRIFUGAL
QUANTITY 1
MATERIAL GI
DRIVE Belt Drive
DIAMETER mm/in 381/15 381/15 381/15 457/18 457/18
MOTOR
TYPE Squirrel Cage Induction
QUANTITY 1
INDEX OF PROTECTION (IP) IP54
COMPRESSORTYPE Scroll
OIL TYPE Mineral oil
EVAPORATOR COIL
TUBE
MATERIAL Copper
DIAMETER mm/in 9.52/0.375
THICKNESS mm/in 0.35/0.014
FIN
MATERIAL Aluminum
THICKNESS mm/in 0.11/0.004
FACE AREA m2/ft2 2.05/22.14 2.05/22.14 2.05/22.14 2.3�/25.49 2.3�/25.49
ROW 3
FIN PER INCH 12
CONDENSER
TYPE SHELL AND TUBE
WATER FLOW m³/h 13.8 15 19 23 25.1
PRESSURE DROP Kpa 43 38 20 45 4�
WATER PIPE SIZE in R2" R2-1/2R2"
AIR QUALITY FILTER
TYPE Nylon
QUANTITY pc �
SIZE
LENGTH mm/in529/
20.83529/
20.83529/
20.83593/
23.35593/
23.35
WIDTH mm/in��0/
25.98��0/
25.98��0/
25.98�8�/
27.00�8�/
27.00
THICKNESS mm/in 8/0.315
CASINGMATERIAL EG
COLOUR Light Grey (RALF032)
8
Components Data
MODEL MWCP135A MWCP145A MWCP165A MWCP205A
FAN
TYPE DOUBLE INLET CENTRIFUGAL
QUANTITY 1
MATERIAL GI
DRIVE Belt Drive
DIAMETER mm/in 457/18 457/18 457/18 559/22
MOTOR
TYPE Squirrel Cage Induction
QUANTITY 1 1 1 2
INDEX OF PROTECTION (IP) IP54
COMPRESSORTYPE Scroll
OIL TYPE Mineral oil
EVAPORATOR COIL
TUBE
MATERIAL Copper
DIAMETER mm/in 9.52/0.375
THICKNESS mm/in 0.35/0.014
FIN
MATERIAL Aluminum
THICKNESS mm/in 0.11/0.004
FACE AREA m2/ft2 2.�3/28.40 2.�3/28.40 2.�3/28.40 3.47/37.45
ROW 3
FIN PER INCH 12
CONDENSER
TYPE SHELL AND TUBE
WATER FLOW m³/h 25.3 28 29.3 39
PRESSURE DROP Kpa 35 55 �0 115
WATER PIPE SIZE in R2-1/2R2" R3"
AIR QUALITY FILTER
TYPE Nylon
QUANTITY pc � � � 8
SIZE
LENGTH mm/in ��1/2� ��1/2� ��1/2� �29/25
WIDTH mm/in �8�/27 �8�/27 �8�/27 �73/2�
THICKNESS mm/in 8/0.315
CASINGMATERIAL EG
COLOUR Light Grey (RALF032)
MODEL MWCP18A~70A MWCP75A~205A
SAFETYDEVICE
HIGH PRESSURE SWITCH
TYPE Auto Reset Cartridge
OPEN MPa/psi 2.8/40�0 2.0�/299
CLOSE MPa/psi 2.3/3335 1.5�/22�
LOW PRESSURE SWITCH
TYPE Auto Reset Cartridge
OPEN MPa/psi 0.15/21.75
CLOSE MPa/psi 0.05/7.25
PHASE PROTECTION Phase sequencer
Safety Devices
NOTE:ALL SPECIFICATIONS ARE SUBJECTED TO CHANGE BY THE MANUFACTURER WITHOUT PRIOR NOTICE.
9
Outdoor.Units1/1 Octave Sound Pressure Level (dB,ref 20μPa)
Overall.A(dBA)
Noise.Criteria
63Hz 125Hz 250Hz 500Hz 1000Hz 2000Hz 4000Hz 8000Hz
MWCP18A �2.0 41.0 42.0 44.0 45.4 42.5 �5.0 �0.0 52.0 44.5
MWCP30A 44.0 5�.0 54.0 56.5 58.0 54.0 50.5 47.5 6�.0 57.0
MWCP35A 42.0 56.0 56.0 59.0 60.0 57.0 51.0 48.0 65.0 58.�
MWCP55A 50.0 57.0 59.0 61.5 61.5 58.0 54.5 51.5 67.0 61.9
MWCP70A 47.0 57.0 6�.0 64.0 67.0 64.0 56.0 47.0 70.0 66.0
MWCP75A 49.0 60.0 6�.0 66.0 67.0 64.0 59.0 55.0 72.0 66.6
MWCP85A 49.0 6�.0 65.0 66.0 67.0 6�.0 58.0 55.0 72.0 66.6
MWCP100A 51.0 6�.0 67.0 68.0 71.0 68.0 60.0 51.0 74.0 70.8
MWCP115A 58.0 64.0 65.0 69.0 69.0 67.5 62.5 59.5 75.0 68.1
MWCP125A 56.0 6�.0 65.0 70.0 70.0 67.0 6�.0 60.0 75.0 68.5
MWCP135A 5�.0 67.0 67.0 70.0 71.0 68.0 62.0 59.0 76.0 71.0
MWCP145A 60.0 67.0 67.0 71.5 71.5 68.0 64.5 61.5 77.0 71.7
MWCP165A 54.0 64.0 70.0 71.0 74.0 71.0 6�.0 54.0 77.0 71.5
MWCP205A 56.0 70.0 70.0 7�.0 74.0 71.0 65.0 62.0 79.0 72.�
Sound Data
Sound Pressure Level
Model Measuring.location
�m
�m
�m
45
H
(H+
1)/
2
microphone
microphone
microphone
microphone
microphone
Standard: JIS B 8616-1999
MWCP18A MWCP115AMWCP30A MWCP125AMWCP35A MWCP135AMWCP55A MWCP145A..MWCP70A MWCP165AMWCP75A MWCP205AMWCP85A..MWCP100A.
�0
Octave-band frequency (Hz)
6� 125 250 500 �000 2000 4000 80000
�0
20
�0
40
50
60
70
80
90
Sou
nd p
ress
ure
leve
l (dB
,ref
20
MP
a)
NC15
NC20
NC25
NC�0
NC�5
NC40
NC45
NC50
NC55
NC60
NC65
NC70
MWCP18A/30A.NC.CURVE
MWCP�0A
MWCP18A
NC Curves
Octave-band frequency (Hz)
6� 125 250 500 �000 2000 4000 80000
�0
20
�0
40
50
60
70
80
90
Sou
nd p
ress
ure
leve
l (dB
,ref
20
MP
a)
NC15
NC20
NC25
NC�0
NC�5
NC40
NC45
NC50
NC55
NC60
NC65
NC70
MWCP35A.NC.CURVE
MWCP�5A
��
Octave-band frequency (Hz)
6� 125 250 500 �000 2000 4000 80000
�0
20
�0
40
50
60
70
80
90
Sou
nd p
ress
ure
leve
l (dB
,ref
20
MP
a)
NC15
NC20
NC25
NC�0
NC�5
NC40
NC45
NC50
NC55
NC60
NC65
NC70
MWCP55A.NC.CURVE
MWCP55A
Octave-band frequency (Hz)
6� 125 250 500 �000 2000 4000 80000
�0
20
�0
40
50
60
70
80
90
Sou
nd p
ress
ure
leve
l (dB
,ref
20
MP
a)
NC15
NC20
NC25
NC�0
NC�5
NC40
NC45
NC50
NC55
NC60
NC65
NC70
MWCP70A.NC.CURVE
MWCP70A
�2
Octave-band frequency (Hz)
6� 125 250 500 �000 2000 4000 80000
�0
20
�0
40
50
60
70
80
90
Sou
nd p
ress
ure
leve
l (dB
,ref
20
MP
a)
NC15
NC20
NC25
NC�0
NC�5
NC40
NC45
NC50
NC55
NC60
NC65
NC70
MWCP75A.NC.CURVE
MWCP75A
Octave-band frequency (Hz)
6� 125 250 500 �000 2000 4000 80000
�0
20
�0
40
50
60
70
80
90
Sou
nd p
ress
ure
leve
l (dB
,ref
20
MP
a)
NC15
NC20
NC25
NC�0
NC�5
NC40
NC45
NC50
NC55
NC60
NC65
NC70
MWCP85A.NC.CURVE
MWCP85A
1�
Octave-band frequency (Hz)
6� 125 250 500 �000 2000 4000 80000
�0
20
�0
40
50
60
70
80
90
Sou
nd p
ress
ure
leve
l (dB
,ref
20
MP
a)
NC15
NC20
NC25
NC�0
NC�5
NC40
NC45
NC50
NC55
NC60
NC65
NC70
MWCP100A.NC.CURVE
MWCP100A
Octave-band frequency (Hz)
6� 125 250 500 �000 2000 4000 80000
�0
20
�0
40
50
60
70
80
90
Sou
nd p
ress
ure
leve
l (dB
,ref
20
MP
a)
NC15
NC20
NC25
NC�0
NC�5
NC40
NC45
NC50
NC55
NC60
NC65
NC70
MWCP115A.NC.CURVE
MWCP115A
14
Octave-band frequency (Hz)
6� 125 250 500 �000 2000 4000 80000
�0
20
�0
40
50
60
70
80
90
Sou
nd p
ress
ure
leve
l (dB
,ref
20
MP
a)
NC15
NC20
NC25
NC�0
NC�5
NC40
NC45
NC50
NC55
NC60
NC65
NC70
MWCP125A.NC.CURVE
MWCP125A
Octave-band frequency (Hz)
6� 125 250 500 �000 2000 4000 80000
�0
20
�0
40
50
60
70
80
90
Sou
nd p
ress
ure
leve
l (dB
,ref
20
MP
a)
NC15
NC20
NC25
NC�0
NC�5
NC40
NC45
NC50
NC55
NC60
NC65
NC70
MWCP135A.NC.CURVE
MWCP1�5A
15
Octave-band frequency (Hz)
6� 125 250 500 �000 2000 4000 80000
�0
20
�0
40
50
60
70
80
90
Sou
nd p
ress
ure
leve
l (dB
,ref
20
MP
a)
NC15
NC20
NC25
NC�0
NC�5
NC40
NC45
NC50
NC55
NC60
NC65
NC70
MWCP145A.NC.CURVE
MWCP145A
Octave-band frequency (Hz)
6� 125 250 500 �000 2000 4000 80000
�0
20
�0
40
50
60
70
80
90
Sou
nd p
ress
ure
leve
l (dB
,ref
20
MP
a)
NC15
NC20
NC25
NC�0
NC�5
NC40
NC45
NC50
NC55
NC60
NC65
NC70
MWCP165A.NC.CURVE
MWCP165A
�6
Octave-band frequency (Hz)
6� 125 250 500 �000 2000 4000 80000
�0
20
�0
40
50
60
70
80
90
Sou
nd p
ress
ure
leve
l (dB
,ref
20
MP
a)
NC15
NC20
NC25
NC�0
NC�5
NC40
NC45
NC50
NC55
NC60
NC65
NC70
MWCP205A.NC.CURVE
MWCP205A
17
Operating.Range
Performance Data
Wate
r E
nte
ring T
em
p. (°
C)
Indoor Temp. (°CWB)
20
15 2419.4
30
35
STD
18
MO
DE
L
AIR
.ON
.EV
AP
OR
AT
OR
WA
TE
R.T
EM
PE
RA
TU
RE
.OF
F.C
ON
DE
NS
ER
21ºC
35ºC
40ºC
NO
MIN
AL
.AIR
.F
LO
W.m
3 /h
DB
.TE
MP
.(ºC
).W
B.T
EM
P.(
ºC).
TO
TAL
.C
AP
AC
ITY
.(k
W)
SE
NS
IBL
E.
CA
PA
CIT
Y.
(kW
)
INP
UT
.(k
W)
TO
TAL
.C
AP
AC
ITY
.(k
W)
SE
NS
IBL
E.
CA
PA
CIT
Y.
(kW
)
INP
UT
.(k
W)
TO
TAL
.C
AP
AC
ITY
.(k
W)
SE
NS
IBL
E.
CA
PA
CIT
Y.
(kW
)
INP
UT
.(k
W)
MW
CP
18A
2880
2� 27 �2
15 19 2�
15.4
216
.99
18.�
2
9.82
11.4
91�
.08
�.46
�.56
�.66
14.5
�16
.00
17.5
9
9.58
11.1
212
.96
4.24
4.�4
4.45
14.2
515
.61
17.5
7
9.66
11.1
81�
.28
4.56
4.71
4.8�
MW
CP
�0A
4200
2� 27 �2
15 19 2�
2�.1
�25
.48
27.4
8
14.9
017
.�5
19.8
1
5.71
5.87
6.02
21.7
924
.00
26.�
9
14.2
716
.70
19.4
8
6.94
7.10
7.28
21.�
72�
.42
26.�
6
14.�
416
.89
20.0
6
7.45
7.69
7.88
MW
CP
�5A
5400
2� 27 �2
15 19 2�
�0.8
4��
.97
�6.6
�
20.�
922
.69
25.9
7
9.4�
10.1
610
.79
29.0
5�2
.00
�5.1
8
18.9
422
.02
25.5
4
9.01
9.70
10.4
5
28.4
9�1
.22
�5.1
4
19.1
222
.29
26.�
2
8.88
9.52
10.4
4
MW
CP
55A
8100
2� 27 �2
15 19 2�
47.2
�52
.02
56.1
0
�1.4
6�6
.7�
41.7
9
11.6
711
.97
12.2
7
44.4
949
.00
5�.8
7
�0.6
1�5
.57
41.2
6
1�.9
910
.29
14.6
�
4�.6
�47
.81
5�.8
1
�0.9
8�6
.00
42.6
2
14.9
515
.40
15.7
6
MW
CP
70A
1080
02� 27 �2
15 19 2�
62.6
569
.01
74.4
1
40.6
047
.�4
54.2
4
15.5
215
.92
16.�
1
59.0
165
.00
71.4
6
�9.0
645
.70
5�.0
9
18.6
019
.00
19.4
5
57.8
86�
.42
71.�
8
�9.7
145
.85
54.2
5
19.8
820
.47
20.9
5
MW
CP
75A
1�60
02� 27 �2
15 19 2�
70.8
578
.0�
84.1
4
47.6
155
.�2
6�.0
2
17.8
218
.�0
18.7
7
66.7
�7�
.50
80.8
1
46.1
85�
.58
62.0
6
21.5
222
.00
22.5
4
65.4
571
.71
80.7
2
46.7
�54
.00
64.0
9
2�.0
52�
.77
24.�
4
MW
CP
85A
1�60
02� 27 �2
15 19 2�
79.0
487
.06
9�.8
8
5�.1
161
.7�
70.�
2
18.9
719
.49
20.0
0
74.4
582
.00
90.1
5
51.5
259
.78
69.2
4
22.9
82�
.50
24.0
9
7�.0
280
.00
90.0
5
52.1
460
.24
71.5
0
24.6
425
.41
26.0
4
MW
CP
100A
1700
02� 27 �2
15 19 2�
91.7
510
0.55
108.
0�
62.�
968
.�7
7�.4
6
19.2
219
.77
20.2
7
86.7
195
.00
10�.
95
58.9
664
.60
70.6
9
2�.�
52�
.90
24.5
0
85.1
492
.81
10�.
84
57.8
96�
.11
70.6
1
25.1
025
.81
26.5
�
Per
form
ance
.Tab
les
19
MO
DE
L
AIR
.ON
.EV
AP
OR
AT
OR
WA
TE
R.T
EM
PE
RA
TU
RE
.OF
F.C
ON
DE
NS
ER
21ºC
35ºC
40ºC
NO
MIN
AL
.AIR
.F
LO
W.m
3 /h
DB
.TE
MP
.(ºC
).W
B.T
EM
P.(
ºC).
TO
TAL
.C
AP
AC
ITY
.(k
W)
SE
NS
IBL
E.
CA
PA
CIT
Y.
(kW
)
INP
UT
.(k
W)
TO
TAL
.C
AP
AC
ITY
.(k
W)
SE
NS
IBL
E.
CA
PA
CIT
Y.
(kW
)
INP
UT
.(k
W)
TO
TAL
.C
AP
AC
ITY
.(k
W)
SE
NS
IBL
E.
CA
PA
CIT
Y.
(kW
)
INP
UT
.(k
W)
MW
CP
115A
1980
02� 27 �2
15 19 2�
106.
0�11
6.78
125.
9�
69.6
681
.05
92.5
6
26.2
�26
.95
27.6
6
99.8
711
0.00
120.
9�
67.1
178
.�2
91.1
8
�1.7
9�2
.50
��.�
2
97.9
510
7.�2
120.
80
68.�
778
.99
9�.8
6
�4.0
8�5
.15
�6.0
2
MW
CP
125A
2200
02� 27 �2
15 19 2�
11�.
7412
5.28
1�5.
09
74.8
487
.45
100.
51
28.2
�28
.95
29.6
6
107.
1�11
8.00
129.
7�
72.5
�84
.�7
97.9
5
��.7
9�4
.50
�5.�
2
105.
0811
5.1�
129.
58
7�.2
484
.85
100.
42
�6.0
8�7
.15
�8.0
2
MW
CP
1�5A
2200
02� 27 �2
15 19 2�
122.
561�
4.58
144.
81
8�.�
491
.51
98.4
7
25.8
926
.6�
27.�
1
115.
6712
7.10
1�9.
2�
78.6
686
.�7
94.6
8
�1.1
6�2
.20
��.0
1
11�.
5�12
4.01
1�9.
08
77.2
084
.��
94.5
7
��.8
1�4
.74
�5.7
4
MW
CP
145A
2460
02� 27 �2
15 19 2�
1�8.
5115
�.�7
166.
01
94.1
910
4.29
112.
89
27.7
428
.5�
29.2
6
1�0.
0014
4.00
159.
00
88.4
097
.92
108.
12
��.7
1�4
.50
�5.�
6
129.
�514
0.�0
158.
92
87.9
695
.40
108.
07
�6.2
��7
.26
�8.�
0
MW
CP
165A
2640
02� 27 �2
15 19 2�
148.
5116
�.�7
176.
01
100.
9911
1.09
119.
69
�1.5
2�2
.42
��.2
4
140.
0015
4.00
169.
11
95.2
010
4.72
114.
99
�8.�
0�9
.20
40.1
8
1�7.
�515
0.�0
168.
92
9�.4
010
2.20
114.
87
41.1
642
.�4
4�.5
1
MW
CP
205A
��00
02� 27 �2
15 19 2�
192.
�621
0.�5
225.
65
1�0.
8014
�.04
15�.
44
�8.1
��9
.5�
40.5
�
182.
0619
9.00
217.
29
12�.
801�
5.�2
147.
76
46.7
047
.80
49.0
0
178.
8519
4.52
217.
06
121.
621�
2.27
147.
60
50.1
951
.62
5�.0
6
Per
form
ance
.Tab
les
20
FIG.4 - ALIGNMENT AND BELT TENSION
FIELD SUPPLIED STRAIGHTEDGE
FOUR POINT METHOD
A B C D
Belt.Adjustment
Drive Alignment
Fan Performance Curves
Supply Air Blower AdjustmentThe RPM of the supply air blower will depend on the required CFM, the unit accessories and the static resistance of both the supply and the return air duct system. With this information, the RPM for the supply air blower can be determined from the fan performance curves.Knowing the required blower RPM and the blower motor HP, the supply air motor pulley can be determined.After the supply air blower motor is operating, adjust the resistance in both the supply and the return duct systems to balance the air distribution throughout the conditioned space.
To determine the deflection force required use the formula: Deflection = Belt Span/64
CAUTION:.. 1. Do not over tighten the belts or the bearings may be come damaged. The best tension for a belt drive is the lowest tension at which the belts will not slip under the highest required load. 2. The belts should be checked at a certain time in case too loose.
Table.5-Belt.Tensioning.Information
SUPER.GRIPBELTS
Belt.Cross.SectionSmall.P.D..Range.
(mm)
Deflection Force (N)
Min. Max
SPZ56~95
100~1401�20
2025
SPA80~1�2
140~20025�5
�545
SPB112~2242�6~�15
4565
6585
2�
Panel.ChecksA. Verify � phases power to unit.B. Close unit disconnect and verify that crankcase heaters are energized. Allow the heater to remain on a minimum
of 24 hours before attempting startup. This is important to assure no refrigerant is in the oil startup. Fail to do this could cause compressor failure.
Initial.StartupAfter the operator has familiarized itself with the sequence of operation for the unit and all options provided, the unit can be put in operation. Proceed as follows.1. Energize cooling tower water pump and tower fans.2. Turn the fan switch to the ON position.�. The “Sequence of Operation” instruction covered is shown in the control wiring diagrams.4. If no unusual noise or adverse conditions exist allow the unit to run. If these conditions do exist, turn off the unit
and investigate cause.Take an air flow measurement in the straight duct off the unit discharge using a pitot tube. This measurement should be taken about three quarters (�/4) of the way down the straight duct off the fan, just before any transition or elbow. If a condition of low or high air flow exists, a pulley change may be required.Once it is ascertained that the air quantity leaving the unit is at the design, the thermostats should be set to the desired space temperature. The system should now function as designed.
22
VELOCITY PRESSURE - PA
MODEL.:.MWCP.18A
MODEL.:.MWCP30A
VELOCITY PRESSURE - PA
2�
MODEL.:.MWCP35A
MODEL.:.MWCP55A/75A/85A/100A(MWCP75A/85A/85A use.Double.Blowers)
VELOCITY PRESSURE - PA
VELOCITY PRESSURE - PA
24
MODEL:MWCP70A/115A/125A/135A/145A/165A(MWCP115A/125A/135A/145A/165A.use.Double.Blowers)
MODEL:.MWCP205A
VELOCITY PRESSURE - PA
VELOCITY PRESSURE - PA
25
Water.Flow.Rate/Pressure.Drop.Chart
0
�0
20
�0
40
50
60
70
80
90
�00
��0
�20
0 2 4 6 8 �0 �2 14 �6 18 20 22 24 26
Water Flow (m�/h)
Water.Flow.Rate/Pressure.Drop.Chart.(MWCP18A)
Pre
ssur
e D
rop
(KP
a)
Water.Flow.Rate/Pressure.Drop.Chart.(MWCP30A)
0
�0
20
�0
40
50
60
70
80
90
�00
2 2.5 � �.5 4 4.5 5 5.5 6 6.5 7 7.5 8 8.5 9 9.5 �0
Water Flow (m�/h)
Pre
ssur
e D
rop
(KP
a)
26
Water.Flow.Rate/Pressure.Drop.Chart
0
�0
20
�0
40
50
60
70
80
90
�00
��0
�20
0 � 2 � 4 5 6 7 8 9 �0 �� �2 1� 14 15
Water.Flow.Rate/Pressure.Drop.Chart.(MWCP35A)
Water Flow (m�/h)
Pre
ssur
e D
rop
(KP
a)
0
�0
20
�0
40
50
60
70
80
90
�00
��0
�20
1�0
140
150
0 2 4 6 8 �0 �2 14 �6 18 20 22
Water.Flow.Rate/Pressure.Drop.Chart.(MWCP55A)
Water Flow (m�/h)
Pre
ssur
e D
rop
(KP
a)
27
Water.Flow.Rate/Pressure.Drop.Chart
0
�0
20
�0
40
50
60
70
80
90
�00
��0
�20
1�0
0 2 4 6 8 �0 �2 14 �6 18 20 22 24
Water.Flow.Rate/Pressure.Drop.Chart.(MWCP70A)
Water Flow (m�/h)
Pre
ssur
e D
rop
(KP
a)
0
�0
20
�0
40
50
60
70
80
90
�00
��0
�20
0 2 4 6 8 10 �2 �4 16 �8 20 22 24
Water.Flow.Rate/Pressure.Drop.Chart.(MWCP75A)
Water Flow (m�/h)
Pre
ssur
e D
rop
(KP
a)
28
Water.Flow.Rate/Pressure.Drop.Chart
0
�0
20
�0
40
50
60
70
80
90
�00
��0
�20
0 2 4 6 8 �0 �2 14 �6 18 20 22 24 26
Water.Flow.Rate/Pressure.Drop.Chart.(MWCP85A)
Water Flow (m�/h)
Pre
ssur
e D
rop
(KP
a)
0
5
�0
15
20
25
�0
�5
40
45
50
2 4 6 8 �0 �2 14 �6 18 20 22 24 26 28 �0
Water.Flow.Rate/Pressure.Drop.Chart.(MWCP100A)
Water Flow (m�/h)
Pre
ssur
e D
rop
(KP
a)
29
Water.Flow.Rate/Pressure.Drop.Chart
Water.Flow.Rate/Pressure.Drop.Chart.(MWCP115A)
0
�0
20
�0
40
50
60
70
80
90
�00
��0
�20
140
150
�60
0 5 �0 15 20 25 �0 �5 40 45
Water Flow (m�/h)
Pre
ssur
e D
rop
(KP
a) 1�0
Pre
ssur
e D
rop
(KP
a)
0 5 �0 15 20 25 �0 �5 40 45
Water.Flow.Rate/Pressure.Drop.Chart.(MWCP125A)
Water Flow (m�/h)
0
�0
20
�0
40
50
60
70
80
90
�00
��0
�20
1�0
140
�0
Water.Flow.Rate/Pressure.Drop.Chart
0
�0
20
�0
40
50
60
70
80
90
�00
��0
�20
0 5 �0 15 20 25 �0 �5 40 45
Water.Flow.Rate/Pressure.Drop.Chart.(MWCP135A)
Water Flow (m�/h)
Pre
ssur
e D
rop
(KP
a)
0
20
40
60
80
�00
�20
140
�60
180
0 5 �0 15 20 25 �0 �5 40 45 50
Water.Flow.Rate/Pressure.Drop.Chart.(MWCP145A)
Water Flow (m�/h)
Pre
ssur
e D
rop
(KP
a)
�1
Water.Flow.Rate/Pressure.Drop.Chart
0
40
80
�20
�60
200
240
280
0 5 �0 15 20 25 �0 �5 40 45 50 55 60 65
Water.Flow.Rate/Pressure.Drop.Chart.(MWCP165A)
Water Flow (m�/h)
Pre
ssur
e D
rop
(KP
a)
0
50
�00
150
200
250
�00
�50
0 5 �0 15 20 25 �0 �5 40 45 50 55 60 65 70
Water.Flow.Rate/Pressure.Drop.Chart.(MWCP205A)
Water Flow (m�/h)
Pre
ssur
e D
rop
(KP
a)
�2
1�
EMERGENCY DRAIN 1"
CABLE ENTRY 2"
CONDENSATE DRAIN 1"
WATER INLET �/ "
TIME
SAVEREG
ON/OFF
TEMP UP
DOWNTEMP
COOL AUTO
COMPMODE
COMP�
COMP�
COMP2
HEAT
W-PUMP
RESET
FAN
� I� n� t� e� r� n� a� t� i� o� n� a� l
PLENUM
�4
WATER OUTLET �/ "4�
574
�5
69 180 �4�
677
85
60
�260
1278
85
�2
44 56� 4
�4�
286
�48 400 448
1902
670
1196
�00
4- 1�
A
WATER INLET 1 "
WATER OUTLET 1 "
4�
4�
EMERGENCY DRAIN 1"
CABLE ENTRY 2"
CONDENSATE DRAIN 1"
PLENUM
MODEL A B C D E
MWCP18A �47 �0� �47 �10 264
MWCP�0A 285 ��6 �75 284 291
B C
ED
5�6
�82
�0 60
66
81
647217
1078�060 5��
85
44
�2
640
996
�00
1789
Dimensional Data
INSTALLATIONCLEARANCES
FRONT: 900REAR: 600LEFT: 900RIGHT: 900
Dimensions in mm
MODEL.:.MWCP18A/30A
INSTALLATIONCLEARANCES
FRONT: 900REAR: 600LEFT: 900RIGHT: 900
Dimensions in mm
MODEL.:.MWCP35A
��
WATER INLET 2"
WATER OUTLET 2" CABLE ENTER 2"
EMERGENCY DRAIN 1"
CONDENSATE DRAIN 1"
PLENUM
SAVEREG
� I� n� t� e� r� n� a� t� i� o� n� a� l
MODETEMP DOWNUP
TEMP
COMP2
COMP�
RESETCOMP
TIME
HEAT
COOL
FANCOMP�
W-PUMPAUTO
ON/OFF
609
25�
��0 119
8�6600
425 90 1902
1922
20�5
�00
28 7�0
4�
4 1�
828
1848�9
6
644 560 644
484
�10
WATER OUTLET 2"
WATER INLET 2" CABLE ENTER 2"
EMERGENCY DRAIN 1"
PLENUM
CONDENASATE RRAIN 1"
� I� n� t� e� r� n� a� t� i� o� n� a� l
586 475 586
406
272
728
1647
�00
6�0
64
98 180
7�6
�72 90
165
17021722
1921
4�
94
45 6004 1�
INSTALLATIONCLEARANCES
FRONT: 900REAR: 600LEFT: 900RIGHT: 900
Dimensions in mm
MODEL.:.MWCP55A
INSTALLATIONCLEARANCES
FRONT: 900REAR: 600LEFT: 900RIGHT: 900
Dimensions in mm
MODEL.:.MWCP70A
�4
4
79�898
CABLE ENTRY 2"
WATER OUTLET N
WATER INLET N
MODEL
MWCP100A Rc2 1/2
N(DIMENSION)
CONDENSATE DRAIN 1"
CONDENSATE DRAIN 1"
AIR FILTER COOLING COIL
50�
269
��0
42
998
5445�5
50
10�
2�2
1962
1880 15
1961
471�84471 290290
1878
127
5�5
�060
�62�
1�67
TEMP DOWNUPTEMP RESETCOMP
W-PUMP
FAN
COMP2
COMP�
COMP1
AUTO
MODE
HEAT
COOL
TIME
ON/OFF
EG SAVER
R
SYS.� SYS.2 SYS.�
LOW HIGH LOW HIGH LOW HIGH
INSTALLATIONCLEARANCES
FRONT: 900REAR: 1500LEFT: 900RIGHT: 900
Dimensions in mm
MODEL.:.MWCP75A/85A
INSTALLATIONCLEARANCES
FRONT: 900REAR: 1500LEFT: 900RIGHT: 900
Dimensions in mm
MODEL.:.MWCP100A
MWCP95/�05A
MWCP75A/85A
EMERGENCY DRAIN 1"
MODEL
CONDENSATE DRAIN �"
CABLE ENTRY 2"
WATER OUTLET N
WATER INLET N
N (DIMENSION)
2-1/2"2"
AIR FILTER COOLING COIL
50�
��0
269 42
5�5544
79�898998
�0�
50
2�2
1880
1962
�62�
1�67
290 471 �84 471 290
�27
5�5
�060
1878
196�
�5
EMERGENCY DRAIN 1"
CABLE ENTRY 2"
CONDENSATE DRAIN 1"
WATER OUTLET 2 / "
COOLING COIL AIR FILTER
� 2
WATER INLET 2 / "2�
SAVEREG
� I� n� t� e� r� n� a� t� i� o� n� a� l
COMPUP
TEMP MODETEMP DOWN
HEAT
COOL
RESET
TIME
FAN
COMP2
COMP�
COMP�
W-PUMPAUTO
ON/OFF
��8
520
264
40
177
74628
726964
1080
1180
50
2�00
2182
1814
2040
1424
124�
659
178
2089
27� 557 458 557 27�
INSTALLATIONCLEARANCES
FRONT: 900REAR: 1500LEFT: 900RIGHT: 900
Dimensions in mm
MODEL.:.MWCP115A/125A
INSTALLATIONCLEARANCES
FRONT: 900REAR: 1500LEFT: 900RIGHT: 900
Dimensions in mm
MODEL.:.MWCP135A/145A/165A
MWCP145A/165A
MWCP1�5A Rc2 1/2
Rc �
N(SIZE)
� I� n� t� e� r� n� a� t� i� o� n� a� l
R
MODEL
WATER OUTLET N
WATER INLET N
CABLE ENTRY 2"
CONDENSATE DRAIN 2"
CONDENSATE DRAIN 2"
COOLING COIL AIR FILTER
520
��8
264 40
628726
96410801180
177
74
50
�7� 557 458 557 �7�
2040
2289
178
659
124�
1424
2014
4 152�002�82
�6
� I� n� t� e� r� n� a� t� i� o� n� a� l
WATER INLET Rc�
WATE OUTLET Rc�
CABLE ENTRY 2"
CONDENSATE DRAIN Rc1
CONDENATE DRAIN R1
AIR FILTER COOL ING COIL
1�57
��8
268 �26
4��
852
1�06
174
50.8
684 694 614 694 �26
5569
7
15�4
208�
2952.4
�012
INSTALLATIONCLEARANCES
FRONT: 900REAR: 1500LEFT: 900RIGHT: 900
Dimensions in mm
MODEL.:.MWCP205A
37
MODEL MWCP75A MWCP85A MWCP100A MWCP115A MWCP125A
MOTOR
INSULATION GRADE IP54
POWER SOURCE V/Ph/Hz 380-415/3/50
RATED INPUT POWER W 4000 4000 5500 5500 7500
RATED RUNNING CURRENT A 8.82 8.82 11.80 11.80 15.60
MOTOR OUTPUT W 3360 3360 4675 4675 6525
POLES 4
COMPRESSOR
INSULATION GRADE E
POWER SOURCE V/Ph/Hz 380-415/3/50
CAPACITOR mF -
RATED OUTPUT POWER kW 18.00 19.50 24.68 21.00 24.68
RATED RUNNING CURRENT A 44.2 50 45 52.2 45
LOCKED ROTOR AMP. A 125 167 159 167 159
Electrical Data
MODEL MWCP18A MWCP30A MWCP35A MWCP55A MWCP70A
MOTOR
INSULATION GRADE IP54
POWER SOURCE V/Ph/Hz 380-415/3/50
RATED INPUT POWER W 550 1100 2200 3000 4000
RATED RUNNING CURRENT A 1.57 2.89 5.16 6.78 8.82
MOTOR OUTPUT W 390 825 1760 2460 3360
POLES 4
COMPRESSOR
INSULATION GRADE E
POWER SOURCE V/Ph/Hz 380-415/3/50
CAPACITOR mF -
RATED OUTPUT POWER kW 3.79 6.00 7.50 11.29 15.00
RATED RUNNING CURRENT A 8.9 16.4 19.2 28.1 38.4
LOCKED ROTOR AMP. A 66 95 125 125 125
NOTES:ALL SPECIFICATIONS ARE SUBJECTED TO CHANGE BY THE MANUFACTURER WITHOUT PRIOR NOTICE.
38
Electrical Data
MODEL MWCP135A MWCP145A MWCP165A MWCP205A
MOTOR
INSULATION GRADE IP54
POWER SOURCE V/Ph/Hz 380-415/3/50
RATED INPUT POWER W 7500 11000 11000 15000
RATED RUNNING CURRENT A 15.60 22.30 22.30 31.20
MOTOR OUTPUT W 6525 9680 9680 13050
POLES 4
COMPRESSOR
INSULATION GRADE E
POWER SOURCE V/Ph/Hz 380-415/3/50
CAPACITOR mF -
RATED OUTPUT POWER kW 34.80 31.48 36.00 45.00
RATED RUNNING CURRENT A 62.4 76.3 88.4 110.5
LOCKED ROTOR AMP. A 159 125 125 125
NOTES:ALL SPECIFICATIONS ARE SUBJECTED TO CHANGE BY THE MANUFACTURER WITHOUT PRIOR NOTICE.
�9
Operation.Instruction. .
McQuay water-cooled packaged units are offering a high intelligent control system A.. AFTER.INSTRLLATION.BUT.PRIOR.TO.START.UP
1) Visually check power wiring for size and type. It must meet all local codes and N.E.C. codes.2) Verify that field wiring matches the �-phase power requirements of the unit. See caution on schematic diagram
in the control panel. �) Check the unit visually for indication of leaks in the refrigerant circuit. 4) Check the drive alignment of the pulleys using the four points method prior to adjusting belt tension (see page
2� for alignment and belt tension). 5) Check the fan wheel position in the scroll, by rotating the fan manually. If any rubbing occurs, make necessary
corrections. 6) Install all panels on the air side of the unit after internal unit inspection is completed. 7) Be sure all sensors are installed in the ductwork (supply and return) and in the cooling water lines. 8) Check to see that all piping such as cooling water and drains are completed and tested. The steam and drain
traps must be installed.9) Verify that water pumps (cooling) function properly and that proper flows have been set.10) Are recommended pressure taps and temperature wells installed for trouble shooting, if required.11) Be sure cooling tower fans are wired correctly and fans are turning in the right direction.
B.. FUNCTION.INSTRUCTION1) Features:
Operation Mode: COOL/HEAT/FAN/COOL&HEAT,Room temperature setting, ranging from 16ºC~�0ºC.TIMER On/Off setting, ranging from 0~24hoursEnergy saver function (EG-SAVER).Alarm functionLED display indicates the states of the unit.
2) Control panel operation instruction:
C.. OPERATION�) Finish checking all the items (after installation but prior to start up).2) Press MODE button to select the operation mode.�) If required, press TIMER button to preset time.4) Press ON/OFF button to start up the unit.
In Cool Mode, the start sequence is, switch ON → Water pump on → 50s → Fan on → �0s → Comp on → �min → Next comp on → �min → Next comp onIn Fan Mode, switch ON → Fan On.
5) When the unit runs, you can press TEMP button or EG-SAVER button, so that the temperature indoor is according to your requirement.
6) Shut off the unit. In Cool Mode, the start sequence is, switch OFF → 7S → Comp OFF → 2S → Next Comp OFF → 2S → Next Comp OFF → 7S → Fan OFF → MIN → Water pump OFF
40
7.2 Once an alarm occurs, LED will display the error code, meanwhile, the alarm output switch will be close. When there are more than one error, the LED will display their error codes one by one per second.
7.� When the trouble is settled, the system still maintains the state of error. Only after pressing the key RESET, the system will resume to work
7.4 When there is an Alarm, press key RESET, it will release the Alarm for service. Press the key RESET one more time, the system will check the Alarm signal again, if the trouble is still there, the system will alarm again, but temperature sensor fault and no feedback fault will reset automatically
8) Cool and Fan Mode can be selected before unit startup and related indicate lamp will light up. After unit startup, the lamp of ON/OFF will light up, and then, other indicate lamps will light up when its equipment is running.
9) The control system with networking can connect up to �2unit via RS-485 communication port. The unit address can be set via On or Off of KEY2.1—KEY2.5. In one networking system, there is no same unit address for different units. Our factory can provide the open communication protocol, please contact the factory if needed.
Error.Code Error.Description Error.Code Error.Description
L1 Comp 1 Low pressure E7 Water pump overload
H1 Comp 1 High pressure L8 Shortage of water flow
L2 Comp 2 Low pressure H9 Electric heater overload
H2 Comp 2 High pressure E0 Return air sensor fault
L3 Comp � Low pressure E5 Leaving water sensor fault
H3 Comp � High pressure E1 Coil 1 sensor fault
L4 Comp 4 Low pressure E2 Coil 2 sensor fault
H4 Comp 4 High pressure E3 Coil � sensor fault
H5 Comp 1 Overload E4 Coil 4 sensor fault
H6 Comp 2 Overload E6 Leaving water temp is too high
H7 Comp � Overload L9 Leaving water temp is too Low
H8 Comp 4 Overload L0 No feedback signal
H0 Fan motor overload E9 Communication fault
E7 Water pump overload E8 Memorizer fault
7) Error Code and Troubleshooting: 7.1 Error Code:
MODEPressing this button will advance the modeCOOL HEAT FAN COOL&HEAT
Auxiliary Electric HeaterIf the unti has auxiliary electric heater,press this key is to switch on/off the electric heater.
LED DisplayEnergy Save
In cool or heat mode, press the key
EG-SAVER to enter the energy safe condition,
and the LED will light up. If cool mode,
the set temp that system accepts, is 1 degC
higher than the temp LED displays. If heat
mode, the set temp that system accepts, is
1 degC lower tht the temp LED displays.
Reset
Main Power ON/OFF
E-HEAT
International
COMP3
COMP1
COMP2
COMP4
TEMP UP TEMP DOWN MODE
HEAT
COOL
RESET
TIMER
EGSAVER
FAN
W-PUMP
ON/OFF
TimerTimer range is from 0-24 hours.time, TIMERlamp light means the sytem is in timer operation. When the unit is in ON mode,it will turn off after time's up and it willquit timer operation.hen the unit is in OFF mode,it will turn on after time's up and itwill quit timer operation.
Press or to set the desired temp ranging
Temp. setting
from 16°C~30°C.
41
Key2.5 Key2.4 Key2.3 Key2.2
OFF OFF OFF OFF
OFF OFF OFF OFF
OFF OFF OFF ON
OFF OFF OFF ON
OFF OFF ON OFF
OFF OFF ON OFF
OFF OFF ON ON
OFF OFF ON ON
OFF ON OFF OFF
OFF ON OFF OFF
OFF ON OFF ON
OFF ON OFF ON
OFF ON ON OFF
OFF ON ON OFF
OFF ON ON ON
OFF ON ON ON
ON OFF OFF OFF
ON OFF OFF OFF
ON OFF OFF ON
ON OFF OFF ON
ON OFF ON OFF
ON OFF ON OFF
ON OFF ON ON
ON OFF ON ON
ON ON OFF OFF
ON ON OFF OFF
ON ON OFF ON
ON ON OFF ON
ON ON ON OFF
ON ON ON OFF
ON ON ON ON
ON ON ON ON
NOTE:THEDIPSWITCHKEY1.1、KEY1.2、KEY1.3ANDKEY2.6HAVEBEENSETREADYBEFOREEX-FACTORY,PLEASEDONOTCHANGETHESETTING,ORTHEUNITMAYNOTBERUNNING.
Unit.Address.Table:.
42
Wiring Diagrams
MODEL.:.MWCP18A/30A/35A
L
M
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415V
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TH� COIL1 TEMP SENSOR
TH1 RETURN AIR TEMP SENSOR
44
MODEL.:.MWCP70A/75A
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TH4 COIL2 TEMP SENSOR
TH� COIL1 TEMP SENSOR
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45
MODEL.:.MWCP85A
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2.6
12V
24V
X20
�
X20
2X
20�
L
15
PC
B
N
KM
2
FA
NT
H6
CO
MP
1
CO
MP
2
KM
�
KM
4
2018 2�
TF
TH4 COIL2 TEMP SENSOR
TH� COIL1 TEMP SENSOR
TH1 AIR TEMP SENSOR
46
MODEL.:.MWCP115A/125A
MM
MM
�80-
415V
/�N
~/5
0Hz
MM
BK
TB
RS
TN
WA
RR
AN
TY
MA
Y B
E V
OID
ED
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S R
EC
OM
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:
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R
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BF
M
FS
W
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BK
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TF
SY
MB
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1-5
OL1
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CO
MP
1-�
PC
B
CP
HP
1-�
LP1-
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LOA
D R
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CO
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TT
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MO
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L
MW
CP
115A
MW
CP
125A
OL2
1�A
17A
KE
Y1.
�
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ON
KE
Y1.
2
ON
ON
KE
Y1.
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6
OF
F
OF
F
FA
CT
OR
Y W
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D
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KM
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OL2
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M4
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N
DB
�-A
9181
71
CT
WP
BF
MC
OM
P1
CP
CO
MP
�C
OM
P2
L F �
LP1
HP
1
HP
2
LP2
HP
�
LP�
OL1
OL2
FS
W
2
N
KM
�
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4
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5
24 25 27
HE
AT
ER
1
HE
AT
ER
2
HE
AT
ER
�
KM
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KM
2
KM
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KM
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N
PC
B
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TR
AN
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2
KE
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612
V
24V
X20
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20�
PU
MP
FA
N
TH
6
TH
5
TH
4
TH
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2
TH
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CO
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CO
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TF
20 2�18 22 2�
87 �0 CO
M
�2�� 1� 171514
OV
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1
OV
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2
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HP
1
LP1
LP2
OV
P
OV
F
FLO
W
CO
M
LHP
2
LP�
HP
�
TH4 COIL2 TEMP SENSOR
TH5 COIL� TEMP SENSOR
TH� COIL1 TEMP SENSOR
TH1 AIR TEMP SENSOR
47
MODEL.:.MWCP100A
�80V
-/�N
~/5
0Hz
BK
RS
TN
TB
KM
�
OL1
KM
2
OL2
KM
�K
M4
KM
5
MM
MM
MM
CT
WP
BF
MC
OM
P1
CO
MP
2C
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P�
CP
DB
�-A
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T N
9181
71
L F �N
2
NP
CB
HE
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1
HE
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2
HE
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KM
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4
KM
5
2724 25
LP1
HP
1
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2
LP2
OL1
OL2
FS
W
HP
�
LP�
7 8 �0 �� �2 1� 14 15 17 CO
M
OV
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1
OV
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CO
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6
TH
5
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4
TH
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2
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KM
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CO
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N
TR
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KE
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612
V
24V
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TF
WA
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1-5
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CP
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MW
CP
100A
OL2
12A
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F
KE
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KE
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6
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FA
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KE
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1
TH1 AIR TEMP SENSOR
TH� COIL1 TEMP SENSOR
TH4 COIL2 TEMP SENSOR
TH5 COIL� TEMP SENSOR
48
MODEL.:.MWCP135A/145A/165A
�80V
-/�N
~/5
0Hz
MM
MM
MM
M
BK
RS
TN
TB
KM
�K
M2
KM
�K
M4
KM
5K
M6
OL1
OL2
CP
CT
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4
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MW
CP
165A
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17.2
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25A
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6
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9181
71
L F �
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12V
24V
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6
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6
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27 2825242�22
TF
OV
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2
OV
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17 18
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�2 1� 14 15
LP1
HP
1
HP
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8 �0 ��
DB
�-ATH6 COIL4 TEMP SENSOR
TH5 COIL� TEMP SENSOR
TH4 COIL2 TEMP SENSOR
TH� COIL1 TEMP SENSOR
TH� AIR TEMP SENSOR
49
MODEL.:.MWCP205A
TH6 COIL4 TEMP SENSOR
TH5 COIL� TEMP SENSOR
TH4 COIL2 TEMP SENSOR
TH� COIL1 TEMP SENSOR
TH1 AIR TEMP SENSOR
�80V
-/�N
~/5
0Hz
MM
MM
MM
MM
M
28
WA
RR
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TY
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S R
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:
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TO
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ON
KE
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6
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MW
CP
205A
OV
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R K
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1.2
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2.6
12V
24V
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2X
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6TH
5TH
4TH
�TH
2TH
�
PC
B
40�7 �8 41 42
N
2
L F �D
B�-
A
R S
T N
9181
71K
M�
KM
2K
M�
KM
4K
M5
KM
6K
M7
KM
8
OL1
OL2
OL�
CT
WP
BF
M�
BF
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CO
MP
2C
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CO
MP
4C
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CO
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P
CO
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N
TRAN
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TF
CO
MP
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2
KT
2
KM
7
KM
8
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CO
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MP
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KM
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6
�0 �127 �2
HE
AT
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HE
AT
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2
HE
AT
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�
HE
AT
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4
HE
AT
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5
KM
4
KM
5
KM
6
KM
7
KM
8
OV
- C
1
OV
- C
2
OV
- C
�
OV
- C
4
HP
1
LP1
LP2
OV
P
OV
F
FLO
W
CO
M
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2
LP�
HP
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LP4
HP
4
LP1
HP
1
HP
2
LP2
OL1
OL�
OL2
FS
W
HP
�
LP�
HP
5H
P4
LP4
LP5
�0 �� �2 1� 14 15 1817
CO
M2� 22 24 25
2�20
RS
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RS
TN
TB�
TB2
BK
50
Refrigerant Circuit Diagrams
COMPRESSOR
COOLING CAP. TUBE
WATER INLET
COIL
FAN MOTORCHENCKJOINT
LP
CHENCKJOINT
HP
WATER OUTLET
TUBE IN TUBE
PG PG
MODEL.:.MWCP18A/30A/35A
MODEL.:.MWCP55A
COMPRESSOR 2
COOLING CAP. TUBE
COMPRESSOR �
COOLING CAP. TUBE
WATER INLET
LP1
CHENCKJOINT
COIL
FAN MOTORCHENCKJOINT CHENCK
JOINT
LP1
CHENCKJOINT
TUBE IN TUBE 1
WATER OUTLET
TUBE IN TUBE 2
HP1
PG
HP2
PGPG
PG
51
MODEL.:.MWCP70A
MODEL.:.MWCP75A/85A
EVAPORATOR SYS.2
gas back
COMPRESSOR SYS.2COMPRESSOR SYS.1gas back
exhaustexhaustliquid out
liquid out
CONDENSER SYS.� CONDENSER SYS.2
wind out
capillary
capillary
EVAPORATOR SYS.�
wind back
wind back
COMPRESSOR SYS.2COMPRESSOR SYS.�gas back
wind back
wind back
EVAPORATOR SYS.�
capillary
capillary
wind out
wind out
CONDENSER SYS.2CONDENSER SYS.�
liquid out
liquid outexhaust exhaust
gas back
EVAPORATOR SYS.2
52
MODEL.:.MWCP100A/115A/125A
MODEL.:.MWCP135A/145A/165A
gas back
gas back
COMPRESSOR SYS.1gas back
EVAPORATOR SYS.�
EVAPORATOR SYS.�
wind back
CONDENSER SYS.�
capillaryliquid out
exhaust
CONDENSER SYS.2 CONDENSER SYS.�
EVAPORATOR SYS.2
COMPRESSOR SYS.2 COMPRESSOR SYS.�
exhaust exhaust
liquid out
liquid out
capillary
capillary
wind back
wind backwind out
wind out
gas back
gas back
gas back
gas back
EVAPORATOR SYS.4
EVAPORATOR SYS.2
EVAPORATOR SYS.�
COMPRESSOR SYS.1 COMPRESSOR SYS.2 COMPRESSOR SYS.� COMPRESSOR SYS.4
CONDENSER SYS.� CONDENSER SYS.2 CONDENSER SYS.�
exhaust exhaust exhaustliquid out
liquid out
liquid outcapillary
capillary
capillary
wind back
wind back
wind back
EVAPORATOR SYS.1
wind out
wind out
CONDENSER SYS.4
liquid out
exhaust
5�
MODEL.:.MWCP205A
COMPRESSOR SYS.1gas back
gas back
gas back
gas back
COMPRESSOR SYS.4COMPRESSOR SYS.2 COMPRESSOR SYS.�
CONDENSER SYS.�
EVAPORATOR SYS.2
capillary
capillary
wind back
wind back
EVAPORATOR SYS.�
EVAPORATOR SYS.4
wind out
liquid out
liquid out
liquid out
liquid out
capillary
wind back
EVAPORATOR SYS.�
wind out
exhaust
CONDENSER SYS.4
exhaust exhaust
CONDENSER SYS.2 CONDENSER SYS.�
exhaust
COMPRESSOR SYS.5
gas back
EVAPORATOR SYS.5 liquid out
exhaust
CONDENSER SYS.5
54
Troubleshooting
PROBLEM POSSIBLE.CAUSE ACTION
Lack of Cooling Effect
1. Faulty compressor or lack of compression.2. Temperature of air entering evaporator too high. �. Fouled condenser tube surface.4. Low refrigerant charge.5. Improper air flow through evaporator.6. Eoom thermostat not operating properly.
1. Check discharge pressure forcompression. Inspect compressor and replace if necessary.
2. Reduce load to design kW value.�. Inspect surfaces and clean.4. Repair refrigerant leak, add refrigerant.5. Determine flow and adjust correctly belt tension.6. Inspect thermostat and replace if necessary.
Tripping of Compressor(s)
A. Due to Low Pressure Cut-out
1. Reduced air flow through evaporator.2. Low refrigerant charge.�. Restricted refrigerant line.4. Faulty low-pressure cut-out or improper setting.
1. Inspect surface & clean, check evaporator fa drive. 2. Repair refrigerant leak, add refrigerant.�. Determine the cause of restriction and repair.4. Readjust or replace.
B. Due to High Pressure Cut-out
1. Air in refrigerant system.2. Excess refrigerant charge.�. Faulty high-pressure cut-out or improper setting.
1. Re-evacuate refrigerant system and charge with new refrigerant.
2. Bleed off excess refrigerant.�. Readjust or replace.
C. Due to Compressor Overload Protector tripping
1. Compressor over-current, under voltage or single phasing.
2. Excessive discharge pressure.�. Compressor over-heating due to low refrigerant. 4. Compressor motor has a winding shorted.5. Liquid refrigerant in Compressor causing valve plate
damage and lack of compression.
6. Defective overload protector.
1. Check electrcal supply, contractors, wires and rectify fault.
2. See section B above.�. Check refrigerant charge (fix leak), add if necess-
ary. 4. Replace compressor.5. Check that crankcase heater is functioning porperly. 6. Replace portector.
Excessive belt “Scream” when fans start up.
1. Slipping belts. 1. Apply “Grako Sprazon” belt dressing.
NOTE:THISCONDITIONSERVICEWHICHSHOULDBEATTEMPTEDONLBYQUALIFIEDSERVICEPERSONNEL.CONTACTYOURNEARESTMCQUAYSERVICEREPRESENTATIVE.
55
7
9
8
�0
1�
�2
��
15
2�
24
�
6
4
�
2
5
20
22
2�
18
1925
26
27
�6
17
14
Exploded view & Part list
SPARE.PART.LIST.OF.MWCP18A
Part not in diagram
A02189008219 PRESSURE GAUGE �
M0�084702507 FILTER, 825*585*8*15mm �
No. Part.Number. Description Quantity
� M01014700474 FRONT PANEL BOTTOM �
2 M0101470045� FRONT PANEL MIDDLE �
� M01014700452 TOP PANEL FRONT �
4 M01014700602 REPAIR PANEL �
5 M01014700448 SIDE PANEL LEFT �
6 M010147005�� TOP PANEL �
7 M01014700459 PANEL TOP REAR �
8 M01014700455 REAR PANEL BOTTOM �
9 M01014700449 SIDE PANEL RIGHT �
�0 M0�029001028BLOWER, CENTRIFUGALSYT 9-9L YILIDA
�
�� M0�059002051 V-BELT, SPZ 6�0 �
�2 M0�049001620 PULLEY, 1SPZ 100/1210 �
1� M0�109004920 BUSH PULLEY, 1210/25 �
14 M01014700458 MOTOR UPPER BASE �
15 M0�0490016�� PULLEY, 1SPZ 71/1108 �
No. Part.Number. Description Quantity
�6 M0�109004914 BUSH PULLEY, 1108/19 �
17 M0�0�9001151MOTOR, Y801-4 0.55kWHUANQIU �80V/�Ph/50Hz, F
�
18 M5002470�622 COIL ASSY �
19 M01014700450 DRAIN PAN �
20 M5002470�62� CONDENSER ASSY �
2� M10014701414 WATER PIPE 2
22 M5001470�460BASE FRAME WELD ASSEMBLY
�
2� M01014700492 TERMINAL BOX �
24 M04019002846COMPRESSOR ZR61KC-TFD-522 COPELAND
�
25 A50054009748 ACCESS VALVE 2
26 M04109012946HIGH PRESSURE SWITCH
2
27 M04109012947 LOW PRESSURE SWITCH 2
56
SPARE.PART.LIST.OF.MWCP30A
Part not in diagram
A02189008219 PRESSURE GAUGE �
M0�084702507 FILTER, 825*754*8*15mm �
No. Part.Number. Description Quantity
� M01014700474 FRONT PANEL BOTTOM �
2 M0101470045� FRONT PANEL MIDDLE �
� M01014700452 TOP PANEL FRONT �
4 M01014700602 REPAIR PANEL �
5 M01014700448 SIDE PANEL LEFT �
6 M01014700457 TOP PANEL �
7 M01014700459 PANEL TOP REAR �
8 M01014700455 REAR PANEL BOTTOM �
9 M01014700449 SIDE PANEL RIGHT �
�0 M0�029001029BLOWER, CENTRIFUGAL SYT 10-10L YILIDA
�
�� M0�059002054 V-BELT, SPZ 710 �
�2 M0�049001622 PULLEY, 1SPZ 112/1610 �
1� M0�109004926 BUSH PULLEY, 1610/25 �
14 M01014700458 MOTOR UPPER BASE �
15 M0�0490016�4 PULLEY, 1SPZ 75/1108 �
No. Part.Number. Description Quantity
�6 M0�109004916 BUSH PULLEY, 1108/24 �
17 M0�0�900115�MOTOR, Y901-4 1.1kW HUANQIU �80V/�Ph/50Hz, F
�
18 M5002470�4�� COIL ASSY �
19 M01014700450 DRAIN PAN �
20 M5002470�422 CONDENSER ASSY �
2� M10014701414 WATER PIPE 2
22 M5001470�460BASE FRAME WELD ASSEMBLY
�
2� M01014700492 TERMINAL BOX �
24 A50049004676COMPRESSOR ZR94KC-TFD-522 COPELAND
�
25 A50054009748 ACCESS VALVE 2
26 M04109012946 HIGH PRESSURE SWITCH 2
27 M04109012947 LOW PRESSURE SWITCH 2
7
9
8
�0
1�
�2
��
15
2�
24
�
6
4
�
2
5
20
22
2�
18
1925
26
27
�6
17
14
57
SPARE.PART.LIST.OF.MWCP35A
Part not in diagram
A02189008219 PRESSURE GAUGE �
M0�08470240� FILTER, 1025*775*8*15mm �
No. Part.Number. Description Quantity
� M01014700475 FRONT PANEL BOTTOM �
2 M01014700416 FRONT PANEL MIDDLE �
� M01014700415 TOP PANEL FRONT �
4 M01014700602 REPAIR PANEL �
5 M01014700406 SIDE PANEL LEFT �
6 M0101470042� TOP PANEL �
7 M01014700418 PANEL TOP REAR �
8 M01014700417 REAR PANEL BOTTOM �
9 M01014700407 SIDE PANEL RIGHT �
�0 M0�0290010�0BLOWER, CENTRIFUGAL SYT 12-12L YILIDA
�
�� M0�059002095 V-BELT, SPZ 772 2
�2 M0�049001664 PULLEY, 2SPZ 106/1610 �
1� M0�109004926 BUSH PULLEY, 1610/25 �
14 M01014700420 MOTOR UPPER BASE 4
15 M0�049001676 PULLEY, 2SPZ 75/1210 �
No. Part.Number. Description Quantity
�6 M0�109004921 BUSH PULLEY, 1210/28 �
17 M0�0�9001155MOTOR, Y1001-4 2.2kW HUANQIU �80V/�Ph/50Hz, F
�
18 M5002470�4�0 COIL ASSY �
19 M01014700409 DRAIN PAN �
20 M5002470�412 CONDENSER ASSY �
2� M10014701414 WATER PIPE 2
22 M5001470�451BASE FRAME WELD ASSEMBLY
�
2� M01014700721 TERMINAL BOX �
24 A50049004677COMPRESSOR ZR125KC-TFD-522 COPELAND
�
25 A50054009748 ACCESS VALVE 2
26 M04109012946 HIGH PRESSURE SWITCH 2
27 M04109012947 LOW PRESSURE SWITCH 2
7
9
8
�0
1�
�2
��
15
2�
24
�
6
4
�
2
5
20
22
2�
18
1925
26
27
�6
17
14
58
SPARE.PART.LIST.OF.MWCP55A
Part not in diagram
A02189008219 PRESSURE GAUGE 2
M0�084702512 FILTER, 1466*725*8*15mm �
No. Part.Number. Description Quantity
� M01014700597 FRONT PANEL BOTTOM �
2 M010147005�1 FRONT PANEL MIDDLE �
� M01014700601 TOP PANEL FRONT �
4 M01014700602 REPAIR PANEL �
5 M01014700580 SIDE PANEL LEFT �
6 M010147005�� TOP PANEL �
7 M010147005�8 PANEL TOP REAR �
8 M010147005�7 REAR PANEL BOTTOM �
9 M010147005�4 SIDE PANEL RIGHT �
�0 M0�0290010�1BLOWER, CENTRIFUGAL SYT 15-15L YILIDA
�
�� M0�059002054 V-BELT, SPZ 710 2
�2 M0�049001668 PULLEY, 2SPZ 1�2/1610 �
1� M0�109004926 BUSH PULLEY, 1610/25 �
14 M01014700529 MOTOR UPPER BASE �
15 M0�049001677 PULLEY, 2SPZ 80/1210 �
No. Part.Number. Description Quantity
�6 M0�109004921 BUSH PULLEY, 1210/28 �
17 M0�0�9001156MOTOR, Y1100L2-4 �kW HUANQIU �80V/�Ph/50Hz, F
�
18 M5002470�517 COIL ASSY �
19 M01014700522 DRAIN PAN �
20 M50024714040 CONDENSER ASSY �
2� M10014711001 WATER PIPE 2
22 M5001470�501BASE FRAME WELD ASSEMBLY
�
2� M01014700501 TERMINAL BOX �
24 A50049004676COMPRESSOR ZR125KC-TFD-522 COPELAND
�
M04019002846COMPRESSOR ZR61KC-TFD-522 COPELAND
�
25 A50054009748 ACCESS VALVE 4
26 M04109012946 HIGH PRESSURE SWITCH 4
27 M04109012947 LOW PRESSURE SWITCH 4
7
9
8
�0
1�
�2
��
15
2�
24
�
6
4
�
2
5
20
22
2�
18
1925
26
27�6
17
14
59
SPARE.PART.LIST.OF.MWCP70A
Part not in diagram
A02189008219 PRESSURE GAUGE 2
M0�084702512 FILTER, 1656*825*8*15mm �
No. Part.Number. Description Quantity
� M01014700596 FRONT PANEL BOTTOM �
2 M01014700595 FRONT PANEL MIDDLE �
� M0101470060� TOP PANEL FRONT �
4 M01014700604 REPAIR PANEL �
5 M01014700584 SIDE PANEL LEFT �
6 M01014700565 TOP PANEL �
7 M01014700568 PANEL TOP REAR �
8 M01014700570 REAR PANEL BOTTOM �
9 M01014700585 SIDE PANEL RIGHT �
�0 M0�0290010�2BLOWER, CENTRIFUGAL SYT 18-18L YILIDA
�
�� M0�05900209� V-BELT, SPZ 825 2
�2 M0�049001670 PULLEY, 2SPZ 160/2012 �
1� M0�1090049�4 BUSH PULLEY, 2012/25 �
14 M01014700529 MOTOR UPPER BASE �
No. Part.Number. Description Quantity
15 M0�0490017�7 PULLEY, 2SPZ 95/1610 �
�6 M0�109004927 BUSH PULLEY, 1610/28 �
17 M0�0�9001157MOTOR, Y112M-4 4kW HUANQIU �80V/�Ph/50Hz, F
�
18 M5002470�584 COIL ASSY �
19 M01014700644 DRAIN PAN �
20 M02214702501 CONDENSER ASSY �
22 M5001470�551BASE FRAME WELD ASSEMBLY
�
2� M01014700501 TERMINAL BOX �
24 A50049004677COMPRESSOR ZR125KC-TFD-522 COPELAND
2
25 A50054009748 ACCESS VALVE 4
26 M04109012946 HIGH PRESSURE SWITCH 4
27 M04109012947 LOW PRESSURE SWITCH 4
7
9
8
�0
1�
�2
��
15
2�
24
�
6
4
�
2
5
20
22
2�
18
1925
26
27
�6
17
14
60
SPARE.PART.LIST.OF.MWCP75A
Part not in diagram
A02189008219 PRESSURE GAUGE 2
M0�084702015 FILTER, 5�1*660*8*15mm 6
No. Part.Number. Description Quantity
� M01014700200 FRONT PANEL BOTTOM �
2 M010147001�8 FRONT PANEL TOP �
� M0101470014�SIDE PANEL BOTTOM COVER2
�
4 M01014700124 SIDE PANEL LEFT �
5 M010147001�7 EVAP. SIDE PANEL LEFT �
7 M01014700220 TOP PANEL �
8 M0�02901068�BLOWER, CENTRIFUGAL SYT 15-15R2 YILIDA
�
9 M5002470�156 COIL ASSY �
�0 M01014700140 BACK PANEL �
�� M010147001�� SEPARATE PLATE �
�2 M02214702502 CONDENSER �
1� M010147001�7 EVAP. SIDE PANEL RIGHT �
14 M01014700144SIDE PANEL BOTTOM COVER1
�
15 M01014700142 SIDE PANEL RIGHT �
�6 M5001470�1�7BASE FRAME WELD ASSEMBLY
�
No. Part.Number. Description Quantity
17 A05014012199 ACCESS VALVE 4
18 A0502900�141 JOINT, BRASS ADAPTOR NUT 8
19 M04109012946 HIGH PRESSURE SWITCH 2
20 M04109012947 LOW PRESSURE SWITCH 2
2� M01014700159 PRESSURE GAUGE PLATE �
22 M040190028�7COMPRESSOR ZR144KC-TFD-522 COPELAND
2
2� M01014700119 BAFFLE TOP �
24 M0�0�9001157MOTOR, Y112M-4 4kW HUANQIU �80V/�Ph/50Hz, F
�
25 M01014700529 MOTOR UPPER BASE �
26 M0�109004927 BUSH PULLEY, 1610/28 �
27 M0�049001664 PULLEY, 2SPZ 106/1610 �
28 M0�059002080 V-BELT, SPZ 1687 2
29 M0�049001664 PULLEY, 2SPZ 180/2012 �
�0 M0�1090049�6 BUSH PULLEY, 2012/�0 �
�1 M5001470�155BLOWER SUPPORT STRU.WELD ASSY
�
7
6
8
9
�0
1�
15
14
��
�2
�
�
2
5
4
1819
17
�6
202�222�
2425
28
2627
�0
29
�1
6�
7
6
8
9
�0
1�
15
14
��
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�
�
2
5
4
1819
17
�6
202�222�
24
25
28
2627
�0
29
�1
SPARE.PART.LIST.OF.MWCP85A
Part not in diagram
A02189008219 PRESSURE GAUGE 2
M0�084702015 FILTER, 5�1*660*8*15mm 6
No. Part.Number. Description Quantity
� M01014700200 FRONT PANEL BOTTOM �
2 M010147001�8 FRONT PANEL TOP �
� M0101470014�SIDE PANEL BOTTOM COVER2
�
4 M01014700124 SIDE PANEL LEFT �
5 M010147001�7 EVAP. SIDE PANEL LEFT �
7 M01014700220 TOP PANEL �
8 M0�02901068�BLOWER, CENTRIFUGAL SYT 15-15R2 YILIDA
�
9 M5002470�028 COIL ASSY �
�0 M01014700140 BACK PANEL �
�� M010147001�� SEPARATE PLATE �
�2 M02214702502 CONDENSER �
1� M010147001�7 EVAP. SIDE PANEL RIGHT �
14 M01014700144SIDE PANEL BOTTOM COVER1
�
15 M01014700142 SIDE PANEL RIGHT �
�6 M5001470�090BASE FRAME WELD ASSEMBLY
�
No. Part.Number. Description Quantity
17 A05014012199 ACCESS VALVE 4
18 A0502900�141 JOINT, BRASS ADAPTOR NUT 8
19 M04109012946 HIGH PRESSURE SWITCH 2
20 M04109012947 LOW PRESSURE SWITCH 2
2� M01014700159 PRESSURE GAUGE PLATE �
22 M040190028�6COMPRESSOR ZR16M�-TWD-522 COPELAND
2
2� M01014700119 BAFFLE TOP �
24 M0�0�9001157MOTOR, Y112M-4 4kW HUANQIU �80V/�Ph/50Hz, F
�
25 M01014700275 MOTOR UPPER BASE �
26 M0�109004927 BUSH PULLEY, 1610/28 �
27 M0�049001664 PULLEY, 2SPZ 106/1610 �
28 M0�059002080 V-BELT, SPZ 1687 2
29 M0�049001664 PULLEY, 2SPZ 180/2012 �
�0 M0�1090049�6 BUSH PULLEY, 2012/�0 �
�1 M5001470�155BLOWER SUPPORT STRU.WELD ASSY
�
62
7
6
8
9
�0
1�
15
14
��
�2
�
�
2
5
4
1819
17
�6
202�
222�24
25
28
2627
�0
29
�1
SPARE.PART.LIST.OF.MWCP100A
Part not in diagram
A02189008219 PRESSURE GAUGE 2
M0�084702015 FILTER, 5�1*660*8*15mm 6
No. Part.Number. Description Quantity
� M01014700200 FRONT PANEL BOTTOM �
2 M010147001�8 FRONT PANEL TOP �
� M0101470014�SIDE PANEL BOTTOM COVER2
�
4 M01014700124 SIDE PANEL LEFT �
5 M010147001�7 EVAP. SIDE PANEL LEFT �
7 M01014700220 TOP PANEL �
8 M0�02901068�BLOWER, CENTRIFUGAL SYT 15-15R2 YILIDA
�
9 M5002470�028 COIL ASSY �
�0 M01014700140 BACK PANEL �
�� M010147001�� SEPARATE PLATE �
�2 M02214702502 CONDENSER �
1� M010147001�7 EVAP. SIDE PANEL RIGHT �
14 M01014700144SIDE PANEL BOTTOM COVER1
�
15 M01014700142 SIDE PANEL RIGHT �
�6 M5001470�090BASE FRAME WELD ASSEMBLY
�
No. Part.Number. Description Quantity
17 A05014012199 ACCESS VALVE 4
18 A0502900�141 JOINT, BRASS ADAPTOR NUT 8
19 M04109012946 HIGH PRESSURE SWITCH 2
20 M04109012947 LOW PRESSURE SWITCH 2
2� M01014700159 PRESSURE GAUGE PLATE �
22 M04019002847COMPRESSOR ZR72KC-TFD-522 COPELAND
�
M04019002887COMPRESSOR, JT��5D-Y1L DAIKIN
2
2� M01014700119 BAFFLE TOP �
24 M0�0�9001158MOTOR, Y1�2M-4 5.5kW HUANQIU �80V/�Ph/50Hz, F
�
25 M01014700275 MOTOR UPPER BASE �
26 M0�1090049�0 BUSH PULLEY, 1610/�8 �
27 M0�0490016�9 PULLEY, 2SPA 100/1610 �
28 M0�059002124 V-BELT, SPA1600 2
29 M0�049001646 PULLEY, 2SPA 160/2012 �
�0 M0�1090049�6 BUSH PULLEY, 2012/�0 �
�1 M5001470�155BLOWER SUPPORT STRU.WELD ASSY
�
6�
SPARE.PART.LIST.OF.MWCP115A
Part not in diagram
A02189008219 PRESSURE GAUGE �
M0�084702017 FILTER, 595*686*8*15mm 6
No. Part.Number. Description Quantity
� M01014700186 FRONT PANEL BOTTOM �
2 M01014700087 FRONT PANEL TOP �
� M01014700096SIDE PANEL BOTTOM COVER2
�
4 M01014700078 SIDE PANEL LEFT �
5 M01014700080 EVAP. SIDE PANEL LEFT �
6 M01014700064 TOP PANEL BACK 0
7 M01014700087 TOP PANEL FRONT �
8 M0�029010682BLOWER, CENTRIFUGAL SYT 18-18R2 YILIDA
�
9 M5002470�049 COIL ASSY �
�0 M01014700095 BACK PANEL �
�� M01014700068 SEPARATE PLATE �
�2 M02214702506 CONDENSER �
1� M01014700080 EVAP. SIDE PANEL RIGHT �
14 M01014700097SIDE PANEL BOTTOM COVER1
�
15 M01014700079 SIDE PANEL RIGHT �
�6 M5001470�129BASE FRAME WELD ASSEMBLY
�
No. Part.Number. Description Quantity
17 A05014012199 ACCESS VALVE 4
18 A0502900�141 JOINT, BRASS ADAPTOR NUT 8
19 M04109012946 HIGH PRESSURE SWITCH 2
20 M04109012947 LOW PRESSURE SWITCH 2
2� M01014700159 PRESSURE GAUGE PLATE �
22 M040190028�7COMPRESSOR ZR144KC-TFD-522 COPELAND
�
2� M01014700067 BAFFLE TOP �
24 M0�0�9001158MOTOR, Y1�2M-4 5.5kW HUANQIU �80V/�Ph/50Hz, F
�
25 M01014700276 MOTOR UPPER BASE �
26 M0�1090049�8 BUSH PULLEY, 2012/�8 �
27 M0�0490017�8 PULLEY, 2SPA 1�2/2012 �
28 M0�059002097 V-BELT, SPA1957 2
29 M0�049001650 PULLEY, 2SPA 250/2517 �
�0 M0�109004944 BUSH PULLEY, 2517/�5 �
�1 M5001470�154BLOWER SUPPORT STRU.WELD ASSY
�
7
6
8
9
�0
1�
15
14
��
�2
�
�
2
5
4
1819
17
�6
202�222�
24
25
28
2627
�0
29
�1
64
SPARE.PART.LIST.OF.MWCP125A
Part not in diagram
A02189008219 PRESSURE GAUGE �
M0�084702017 FILTER, 595*686*8*15mm 6
No. Part.Number. Description Quantity
� M01014700186 FRONT PANEL BOTTOM �
2 M01014700087 FRONT PANEL TOP �
� M01014700096SIDE PANEL BOTTOM COVER2
�
4 M01014700078 SIDE PANEL LEFT �
5 M01014700080 EVAP. SIDE PANEL LEFT �
6 M01014700064 TOP PANEL BACK 0
7 M01014700087 TOP PANEL FRONT �
8 M0�029010682BLOWER, CENTRIFUGAL SYT 18-18R2 YILIDA
�
9 M5002470�049 COIL ASSY �
�0 M01014700095 BACK PANEL �
�� M01014700068 SEPARATE PLATE �
�2 M02214702504 CONDENSER �
1� M01014700080 EVAP. SIDE PANEL RIGHT �
14 M01014700097SIDE PANEL BOTTOM COVER1
�
15 M01014700079 SIDE PANEL RIGHT �
�6 M5001470�129BASE FRAME WELD ASSEMBLY
�
No. Part.Number. Description Quantity
17 A05014012199 ACCESS VALVE 4
18 A0502900�141 JOINT,BRASS ADAPTOR NUT 8
19 M04109012946 HIGH PRESSURE SWITCH 2
20 M04109012947 LOW PRESSURE SWITCH 2
2� M01014700159 PRESSURE GAUGE PLATE �
22 M040190028�7COMPRESSOR ZR144KC-TFD-522 COPELAND
�
2� M01014700067 BAFFLE TOP �
24 M0�0�9001159MOTOR, Y1�2M-4 7.5kW HUANQIU �80V/�Ph/50Hz, F
�
25 M01014700276 MOTOR UPPER BASE �
26 M0�1090049�8 BUSH PULLEY, 2012/�8 �
27 M0�0490017�8 PULLEY, 2SPA 1�2/2012 �
28 M0�059002097 V-BELT, SPA1957 2
29 M0�049001650 PULLEY, 2SPA 250/2517 �
�0 M0�109004944 BUSH PULLEY, 2517/�5 �
�1 M5001470�154BLOWER SUPPORT STRU.WELD ASSY
�
7
6
8
9
�0
1�
15
14
��
�2
�
�
2
5
4
1819
17
�6
202�222�
24
25
28
2627
�0
29
�1
65
SPARE.PART.LIST.OF.MWCP135A
Part not in diagram
A02189008219 PRESSURE GAUGE 4
M0�084702017 FILTER, 661*686*8*15mm 6
No. Part.Number. Description Quantity
� M01014711018 FRONT PANEL BOTTOM �
2 M01014711011 FRONT PANEL TOP �
� M01014700096SIDE PANEL BOTTOM COVER2
�
4 M01014700078 SIDE PANEL LEFT �
5 M01014700080 EVAP. SIDE PANEL LEFT �
6 M01014711007 TOP PANEL BACK �
7 M01014711019 TOP PANEL FRONT �
8 M0�029010682BLOWER, CENTRIFUGAL SYT 18-18R2 YILIDA
�
9 M50024714004 COIL ASSY �
�0 M01014711014 BACK PANEL �
�� M01014711009 SEPARATE PLATE �
�2 M02214702511 CONDENSER �
1� M01014700080 EVAP. SIDE PANEL RIGHT �
14 M01014700097SIDE PANEL BOTTOM COVER1
�
15 M01014700079 SIDE PANEL RIGHT �
�6 M50014714000BASE FRAME WELD ASSEMBLY
�
No. Part.Number. Description Quantity
17 A05014012199 ACCESS VALVE 4
18 A0502900�141 JOINT, BRASS ADAPTOR NUT 8
19 M04109012946 HIGH PRESSURE SWITCH 2
20 M04109012947 LOW PRESSURE SWITCH 2
2� M01014700159 PRESSURE GAUGE PLATE �
22 M04019002847COMPRESSOR ZR72KC-TFD-522 COPELAND
�
M04019002887COMPRESSOR, JT��5D-Y1L DAIKIN
�
2� M01014711008 BAFFLE TOP �
24 M0�0�9001159MOTOR, Y1�2M-4 7.5kW HUANQIU �80V/�Ph/50Hz, F
�
25 M01014700276 MOTOR UPPER BASE �
26 M0�1090049�8 BUSH PULLEY, 2012/�8 �
27 M0�049001644 PULLEY, 2SPA 140/2012 �
28 M0�059002097 V-BELT, SPA1957 2
29 M0�049001650 PULLEY, 2SPA 250/2517 �
�0 M0�109004944 BUSH PULLEY, 2517/�5 �
�1 M50014714009BLOWER SUPPORT STRU.WELD ASSY
�
7
6
8
9
�0
1�
15
14
��
�2
�
�
2
5
4
1819
17
�6
202�222�
24
25
28
2627
�0
29
�1
66
SPARE.PART.LIST.OF.MWCP145A
Part not in diagram
A02189008219 PRESSURE GAUGE 4
M0�084702017 FILTER, 661*686*8*15mm 6
No. Part.Number. Description Quantity
� M01014711018 FRONT PANEL BOTTOM �
2 M01014711011 FRONT PANEL TOP �
� M01014700096SIDE PANEL BOTTOM COVER2
�
4 M01014700078 SIDE PANEL LEFT �
5 M01014700080 EVAP. SIDE PANEL LEFT �
6 M01014711007 TOP PANEL BACK �
7 M01014711019 TOP PANEL FRONT �
8 M0�029010682BLOWER, CENTRIFUGAL SYT 18-18R2 YILIDA
�
9 M50024714004 COIL ASSY �
�0 M01014711014 BACK PANEL �
�� M01014711009 SEPARATE PLATE �
�2 M0221470251� CONDENSER �
1� M01014700080 EVAP. SIDE PANEL RIGHT �
14 M01014700097SIDE PANEL BOTTOM COVER1
�
15 M01014700079 SIDE PANEL RIGHT �
�6 M50014714000BASE FRAME WELD ASSEMBLY
�
No. Part.Number. Description Quantity
17 A05014012199 ACCESS VALVE 4
18 A0502900�141 JOINT, BRASS ADAPTOR NUT 8
19 M04109012946 HIGH PRESSURE SWITCH 2
20 M04109012947 LOW PRESSURE SWITCH 2
2� M01014700159 PRESSURE GAUGE PLATE �
22 M04019002847COMPRESSOR ZR72KC-TFD-522 COPELAND
�
M040190028�7COMPRESSOR ZR144KC-TFD-522 COPELAND
�
2� M01014711008 BAFFLE TOP �
24 M0�0�9001160MOTOR, Y160M-4 11kW HUANQIU �80V/�Ph/50Hz, F
�
25 M01014700276 MOTOR UPPER BASE �
26 M0�109004940 BUSH PULLEY, 2012/42 �
27 M0�049001646 PULLEY, 2SPA 160/2012 �
28 M0�059002097 V-BELT, SPA1957 2
29 M0�049001650 PULLEY, 2SPA 250/2517 �
�0 M0�109004944 BUSH PULLEY, 2517/�5 �
�1 M50014714009BLOWER SUPPORT STRU.WELD ASSY
�
7
6
8
9
�0
1�
15
14
��
�2
�
�
2
5
4
1819
17
�6
202�222�
24
25
28
2627
�0
29
�1
67
SPARE.PART.LIST.OF.MWCP165A
Part not in diagram
A02189008219 PRESSURE GAUGE 4
M0�084702017 FILTER, 661*686*8*15mm 6
No. Part.Number. Description Quantity
� M01014711018 FRONT PANEL BOTTOM �
2 M01014711011 FRONT PANEL TOP �
� M01014700096SIDE PANEL BOTTOM COVER2
�
4 M01014700078 SIDE PANEL LEFT �
5 M01014700080 EVAP. SIDE PANEL LEFT �
6 M01014711007 TOP PANEL BACK �
7 M01014711019 TOP PANEL FRONT �
8 M0�029010682BLOWER, CENTRIFUGAL SYT 18-18R2 YILIDA
�
9 M50024714005 COIL ASSY �
�0 M01014711014 BACK PANEL �
�� M01014711009 SEPARATE PLATE �
�2 M02214702512 CONDENSER �
1� M01014700080 EVAP. SIDE PANEL RIGHT �
14 M01014700097SIDE PANEL BOTTOM COVER1
�
15 M01014700079 SIDE PANEL RIGHT �
�6 M50014714000BASE FRAME WELD ASSEMBLY
�
No. Part.Number. Description Quantity
17 A05014012199 ACCESS VALVE 4
18 A0502900�141 JOINT, BRASS ADAPTOR NUT 8
19 M04109012946 HIGH PRESSURE SWITCH 2
20 M04109012947 LOW PRESSURE SWITCH 2
2� M01014700159 PRESSURE GAUGE PLATE �
22 M040190028�7COMPRESSOR ZR144KC-TFD-522 COPELAND
4
2� M01014711008 BAFFLE TOP �
24 M0�0�9001160MOTOR, Y160M-4 11kW HUANQIU �80V/�Ph/50Hz, F
�
25 M01014700276 MOTOR UPPER BASE �
26 M0�109004940 BUSH PULLEY, 2012/42 �
27 M0�049001646 PULLEY, 2SPA 160/2012 �
28 M0�059002097 V-BELT, SPA1957 2
29 M0�049001650 PULLEY, 2SPA 250/2517 �
�0 M0�109004944 BUSH PULLEY, 2517/�5 �
�1 M50014714009BLOWER SUPPORT STRU.WELD ASSY
�
7
6
8
9
�0
1�
15
14
��
�2
�
�
2
5
4
1819
17
�6
202�222�
24
25
28
2627
�0
29
�1
68
SPARE.PART.LIST.OF.MWCP205A
PARTS NOT IN DIAGRAM
� A02189008219 PRESSURE GAUGE 5
2 M0�0840720�7 FILTER,692*278*8*15mm 8
No. Part.Number. Description Quantity
� M01014711071FRONT PANEL BOTTOM RIGHT
�
2 M0101471107�FRONT PANEL BOTTOM LEFT
�
� M01014070214 PANEL FRONT TOP2 �
4 M0101407021� PANEL FRONT TOP1 �
5 M01014070511 WRAPPER CONTROL BOX �
6 M01014070206 SIDE PANNEL 2 L/R 2
7 M01014070175 SIDE PANEL 1 L/H �
8 M01014700262 EVAP.SIDE PANEL.LEFT �
9 M01014070187 PANEL TOP �
�0 M50024714080 COIL ASSY �
�� M01014700256DRAIN PAN SUPPORT PANEL
�
�2 M5001470�206ASSY. DRAIN PANEL WELDING
�
1� M01014700�25 BATTLE TOP �
14 M01014711070 BAFFLE PANEL REAR �
15 M01014070400SIDE PANEL SERVICE COVER LEFT
�
�6 M01014700261 EVAP.SIDE PANEL RIGHT �
No. Part.Number. Description Quantity
17 M01014070174 SIDE PANEL 1 R/H �
18 M01014070206 SIDE PANNEL 2 L/R 2
19 M02214702515HEAT EXCHANGER, SHELL AND TUBE MWCP205A
�
20 M50014714061 BASE FRAME WELD ASSY �
2� M040190028�7COMPRESSOR, ZR144KC-TFD-522(WITH HEATER) COPELAND
5
22 M0�1090049�0 BUSH PULLEY, 1610/�8 2
2� M0�049001642 PULLEY, 2SPA 118/1610 2
24 M01014070117 BLOWER SUPPORT L/R 4
25 M5001470�217MOTOR BASE STRENGHEN WELD ASSY
2
26 M0101407000� MOTOR BASE 2
27 M010140704�1SIDE PANEL SERVICE COVER RIGHT
�
28 M0�0�9001159MOTOR,Y1�2M04 7.5KW HUANQIU �80V/�Ph/50Hz,F
2
29 M0�049001649 PULLEY, 2SPA 224/2517 2
�0 M0�109004944 BUSH PULLEY, 2517/�5 2
�1 M0�059002112 V-BELT, SPA 1550 4
�2 M0�029010729BLOWER,CENTRIFUGAL SYT22-22 L YILIDA
2
202� 19 18 172 �
1�
�08
7
28
25
26
27
6
5
4
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24 2� 22
�1 �2�029
9
15
�2
14
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REGISTEREDS&E
While utmost care is taken in ensuring that all details in the publication are correct at the time of going to press, we are constantly striving for improvement and therefore reserve the right to alter model specifications and equipment without notice.Details of specifications and equipment are also subject to change to suit local conditions and requirements and not all models are available in every market.