-
239
-
'11 • SCM-SM-110
<
SUB PCB
>
Connector
Connected to
Normal value
Remark
R
IN
TB1(L)
220-240VAC
Power supply
S
IN
TB1(N)
0VAC
Power supply
SO
R of Main PCB
220-240VAC
RO
S of Main PCB
0VAC
S-1 - C-1
S-2,C-2 of Main PCB
20VDC
CN20V
CN20V of Main PCB
20VDC
CNA(Black-White)
Indoor unit A
220-240VAC
Power supply
CNA(Red)
Indoor unit A
0VAC
Earth
CNB(Black-White)
Indoor unit B
220-240VAC
Power supply
CNB(Brown)
Indoor unit B
0VAC
Earth
CNC(Black-White)
Indoor unit C
220-240VAC
Power supply
CNC(Blue)
Indoor unit C
0VAC
Earth
CND(Black-White)
Indoor unit D
220-240VAC
Power supply
CND(Yellow)
Indoor unit D
0VAC
Earth
CN20S
20S
220-240VAC
For 4 way valve
CNHEAT
Crankcase heater
220-240VAC
For crankcase heater
CNEEV1
EEV A(WH) and EEV B(RD)
CNMA1N(1-4)
13VDC
CNMA1N(2-4)
0-1VDC
When 20S is ON
CNMA1N(3-4)
0-1VDC
When CH is ON
CNMA1N(5-4)
5VDC
CNEEV2
EEV C(BL) and EEV D(GR)
CNTH
Sensor for suction pipe
Tho-S
CNSUB of Main PCB
S
IN
to N-terminal
R
IN
to L-terminal
CN20S
CNHEAT
CN20V
CNEEV2
CNMA1N
CNTH
CNEEV2
C-1 (RD)
S-1 (WH)
RO (BK)
SO (WH)
CNA
CNB
CNC
CND
Grounding cable
Grounding cable
Grounding cable