Bp Unit; Pcb Assembly - Daikin RMKS112LV1A Service Manual

Si181296_A

2. BP Unit

2.1

PCB Assembly

Warning
Step
1 Remove the 4 screws
and remove the
electrical box cover.
Disconnect the
2
connectors for the
electronic expansion
valve [X20A] [X21A]
[X22A] [X23A] and the
connector for the
thermistors [X90A].
3 Remove the screw of
the wire harness band.
Remove the screw of
4
the earth / ground wire.
Disconnect the terminal
5
of the earth / ground
wire.
Removal Procedure
Be sure to wait for 10 minutes or more after turning off all power supplies before
disassembling work.
Procedure
[X23A]
[X90A]
[X22A]
[X21A]
[X20A]
(Q0501)
Wire harness band
(R18300)
Earth / ground wire
(R18516)
(Q0507)
Points
The PCB is waterproof with
resin. This means that the
fuse and varistor cannot be
replaced.
When reassembling,
conduct test operation for
checking wrong wiring.
[X20A]: bypass
[X21A]: for room A
[X22A]: for room B
[X23A]: for room C
(3-room models only)
[X90A]: thermistors
BP Unit
21