Replacement Of Pc Board - Daikin FCQ35B7V1 Service Manual

Disassembly and Maintenance

1.12.13 Replacement of PC Board

1
Warning
Procedure:
Step
1 Removing the PC Board
1 Remove the switch box
cover.
(M4 screw×2)
2 Disconnect the
3
connectors shown in the
right connected to the PC
board.
Cut the tie wrap fixing the
low tension cable (blue)
to the switch box.
5 5
3 Press two claws
supporting the PC board
to disengage one side of
the PCB, then tilt the
board and disconnect the
lead wire for swing flap.
(X36A)
5–72
Be sure to wait 10 minutes or more after turning off all power supplies before disassembling work.
Procedure
Air temperature thermistor : X19A
High tension cable of transformer : X11A
Low tension cable of transformer : X10A
Outdoor unit connection wire : X27A
Fan motor lead wire : X20A
Lead wire of remote controller : X5A
Lead wire of drain pump : X25A
Lead wire of liquid pipe thermistor : X18A
Lead wire of swing motor : X36A (Refer to the item 3 below.)
Lead wire of thermistor for heating : X17A
Lead wire of float switch : X15A
P1 P2 F1 F2
X15A
Claw
Tie wrap
Lead wire of
remote controller
Air temperature thermistor
Cut this tie wrap
To the swing
flap motor
X17A X36A X18A
X10A
X5A
X19A
Low-voltage cable
of transformer
Cut this tie wrap
Claw
(S2688)
Points
X25A
Connector for
fan motor
X20A
X11A X27A
High-voltage
Claw
cable of
Outdoor unit
transformer
connection wire
and earth wire
Part 5 – Disassembly and Maintenance
ESIE05-04
Outdoor unit
connection
wire terminal
(S2687)