Si042153E
PCBs
Removal Procedure
9
4. PCBs
Warning
Be sure to wait for 10 minutes or more after turning off all power supplies before
disassembling work.
Step
Procedure
Points
1. Remove the control PCB.
Screw size for earth/ground
wire: M4 × 12 (with washer)
1
2
3
Turn the electrical box
over.
Remove the earth/
ground wire screw.
Remove the screw and
loosen the terminal strip
mounting plate ASSY.
4
Disconnect the
connectors [S300A],
[S301B], [S501],
[S600], [S602], and
[S801].
[S300A], [S301B]:
power supply PCB
[S501]: indoor heat exchanger
thermistor
[S600]: humidity sensor PCB
[S602]: intelligent eye sensor
PCB
[S800]: display/signal receiver
PCB
[S801]: wireless LAN
connection PCB
5
Unfasten the 2 hooks
and remove the control
PCB.
There is the radiation sheet
under the control PCB, when
reassembling, make sure to
that it is attached.
Left view
Terminal strip
mounting plate
ASSY
Earth/ground wire screw
(R26161)
(R26162)
[S801]
[S301B]
[S800]
[S501]
[S600]
[S602]
Right view
[S300A]
(R26163)
Control PCB
Power supply PCB
Hook
Hook
Radiation
sheet
Radiation sheet
indicating hole
(R26083)
