Removal of Electrical Box
Si121174
6
Removal Procedure
2. Removal of Electrical Box
Procedure
Warning
Be sure to wait for 10 minutes or more after turning off all power
supplies before disassembling work.
Step
Procedure
Points
1. Disconnect the
harnesses.
The illustrations are for 3-
room models as
representative, 4-room
models also have D port.
1
Layout of the
connecting wires
The wires are fixed to the
terminal board with screws.
Connecting wires
(1) Black :
Power supply
(2) White :
Power supply
(3) Red :
Transmission
Power Supply wires
(L) - Black
(N) - White
Electrical
box
Electronic expansion
valve coil
Service port
A port
B port
C port
(R11175)
Liquid
pipe
Liquid stop valve
Gas stop valve
Gas pipe
(R11176)
(R17256)
Wiring fixture
C port
A port
B port
Service
monitor
PCB
Terminal
board
Earth
wire