Mitsubishi Heavy Industries SCM71ZM-S1 Technical Manual page 300

＜Main PCB:PCB1＞
Fuse
Connector
CNFAN
CNSUB(5-7)
CNSUB(6-7)
R1-S1
C-2 - S-2
CNSUB(1-2)
CNTH
CN20S
CNHEAT
U
V
U
CNFAN
W : Black
V : White
U : Red
Connected to
Fan motor
CNMAIN of SUB PCB
RO, SO of SUB PCB
C-1,S-1 of SUB PCB
CN20V of SUB PCB
Sensor
20S
Crankacase heater
Compressor
Compressor
Compressor
299
-
CNTH CN20S
CNHEAT
Normal value
DC13V
DC5V
AC220-240V
DC20V
DC20V
Tho-R,Tho-A,Tho-D,Tho-S
AC220-240V
For solenoid coil of 4-way valve
AC220-240V
For crankcase heater
AC300V
-
'17 • SCM-T-225
CNSUB
R : Black
S : White
C-2 : Red
S-2 : White
Remark