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24K/36K (1 Phase, New Gas -cooler) Main PCB
Port
Descrip on
CN24
Port for test board
CN27
Communica on port with key board
CN30
Port for OLP (Compressor top)
Port for Hi-pressure and low-pressure
CN28
switches
Power for heatsink (TF) temperature
CN42
sensor
Power output for condenser (T3),
CN26
ambient (T4) and discharge (Tp)
temperature sensors
CN16
Power output for EEV
CN11, 12 Port for power cable (N, L)
CN38
Power output for 4-way valve
CN21
Power output for chassis heater
CN20
Power output for compressor heater
CN32
Port for DC fan
UVW
Port for Compressor
Figure 28. Typical Component Locations (MPC036S4S-1P and MLB024S4S-1P
X4 Mul Main PCB
Port
Descrip on
CN23
Port for DC fan
CN24
Port for test board
Port for Hi-pressure and low-pressure
CN29
switches
CN30
Port for OLP (Compressor top)
Power output for condenser (T3),
CN26
ambient (T4) and discharge (Tp)
temperature sensors
CN28
Communica on port with key board
CN15, 3,
Power output for EEVs
13, 10
CN38
Power output for 4-way valve
CN4, 2,
Communica on ports with indoor units
43, 5
CN11, 12 Port for power cable (N, L)
CN21
Power output for chassis heater
CN8
Power output for compressor heater
Power output for evaporator outlet
CN27
(T2B) temperature sensors
UVW
Port for Compressor
Figure 29. Typical Component Locations (MPC018S4M-1P)
CN24
EEPROM
Voltage
5V/DC
5V/DC
5V/DC
12V/DC
230V/AC
230V/AC
230V/AC
230V/AC
0-310V/AC
0-310V/AC
CN32
CN
C 32
UVW
UVW
PCB Code: 17122000051368
Voltage
0-310V/AC
5V/DC
5V/DC
Rec fier, FRD,
12V/DC
IGBT and IPM
230V/AC
230V/AC
230V/AC
230V/AC
5V/DC
0-310V/AC
75
PCB Code:
17122000047742
CN30
CN42
CN
C C 4
N 2
CN27
C C 2
CN
N N 7
CN28
C C
CN
C C C N
N N 8
N2
CN26
Main Chip
Rec fier, FRD,
IGBT and IPM
Main Chip
EEPROM
CN
C C 2
CN29
N N 9
C C 2
CN
CN23
N 3
CN24
C 8
CN
CN8
UVW
UVW
CN27
CN
C 2
N 7
CN16
CN11
CN12
CN38
CN21
CN20
CN30
C C 2
CN
CN26
N N 6
C C 2
CN
CN28
N N 8
CN15
C
C
C
C
C
C
C
C
C
CN3
C
N
N
N
N
N
3
3
3
3
3
C
C
C
C
C
C
CN13
C
C
N
N
N
N
1
1
1
1
3
3
3
3
C
C
C
C
C
C
C
CN10
C
N
N
N
N
1
1
1
1
0
0
0
0
CN38
CN
CN4,2
C 4
N
2
,43,5
, ,
CN11
CN12
CN21
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