Mitsubishi Heavy Industries SCM71ZM-S1 Technical Manual page 301

＜SUB PCB:PCB2＞
CNEEV1
CNMAIN
Connector
R
IN
S
IN
RO
SO
S-1 - C-1
CN20V
CNA(Black-White)
CNA(Red)
CNB(Black-White)
CNB(Brown)
CNC(Black-White)
CNC(Blue)
CND(Black-White)
CND(Yellow)
CNEEV1
CNMAIN(1-4)
CNMAIN(5-4)
CNEEV2
CNEEV2 S-1 (WH) C-1 (RD)
RO (BK)
SO (WH)
Connected to
TB1(L)
TB1(N)
R-1 of Main PCB
S-1 of Main PCB
S-2,C-2 of Main PCB
CNSUB of Main PCB
Indoor unit A
Indoor unit A
Indoor unit B
Indoor unit B
Indoor unit C
Indoor unit C
Indoor unit D
Indoor unit D
EEV A(WH) and EEV B(RD)
CNSUB of Main PCB
EEV C(BL) and EEV D(GN)
300
-
CN20V
CND CNC CNB CNA
Grounding cables
Normal value
AC220-240V Power source
AC0V Power source
AC220-240V
AC0V
DC20V
DC20V
AC220-240V Power source
AC0V Earth
AC220-240V Power source
AC0V Earth
AC220-240V Power source
AC0V Earth
AC220-240V Power source
AC0V Earth
DC13V
DC5V
-
'17 • SCM-T-225
Black cable
White cable
to N-terminal
Remark