Main PCB (upper layer)
5. Disconnect all connectors
on the main PCB side.
①Disconnect the faston
connectors for power
supply to compressor.
U : Pink cable
V : White cable
W : Gray cable
②Disconnect the faston
connectors of reactotr
which is located just
above the 4-way valve.
③Disconnect the connector
of fan motor (CNFAN).
④Disconnect the connector
of CNSUB.
(Going to Sub PCB )
⑤Disconnect the connector
of CNTH.
For
Tho-A (Outdoor air temp.)
Tho-R (Heat exch. temp.)
Tho-D (Discharge pipe temp.)
⑥Disconnect the connector
of CN20V.
(Going to Sub PCB )
5. Disconnect all connectors
on the Sub PCB side.
①Disconnect the faston
connectors of power line.
(Going to Main PCB)
①
②
③
④
⑤
⑥
〔Sub PCB〕
〔Main PCB〕
S0 : White R0 : Black S-1 : White C-1 : Red
Reactor
U : Pink
V : White
W : Gray