Removal Of Switch Box - Daikin Sky Air B-Series R-410A Service Manual

Si21-205
1.6

Removal of Switch Box

Procedure
Step
Remove decoration panel
first.
1 Remove the lid of
switch box.
(Two pieces of M4
screws)
2 Disconnect the
connection wires for
outdoor units and earth
wire. At this time, cut
the tie wrap fixing the
connection wires.
Disconnect wire of
remote controller also.
At this time, cut the tie
wrap fixing the wire of
remote controller.
3 Remove five pieces of
lead wires from PCB on
the switch box and lead
wire connected to the
capacitor for fan motor.
(Refer to the list shown
in the right.)
Cut tie wraps fixing lead
4
wires of float switch,
thermistor for heating
and liquid pipe
thermistor.
5 Remove two fixing
screws located at both
ends of switch box and
one screw inside the
box.
6 Remove the switch box.
Removal Procedure
Warning Be sure to wait 10 minutes or more after turning off all power supplies
before disassembling work.
Procedure
Fixing
screw
(M4×12)
P1 P2 F1 F2
X15A
Wires for remote controller
∗
Five pieces lead wires shown below (connect to the PCB) and
lead wire connected to the capacitor for fan motor.
X15A······Lead wire of float switch
X17A······Lead wire of thermistor for heating
X18A······Lead wire of liquid pipe thermistor
X20A······Lead wire of fan motor
X25A······Lead wire of drain pump
(S2650)
Tie wrap
X17A X18A
FFQ25/35/50/60BV1B
Points
Fixing screw
(M4×12)
Capacitor
for fan
Fixing
screw
(M5×12)
X25A
X20A
Outdoor unit
connection
wire terminal
Outdoor unit
connection wire
and earth wire
Tie wrap (S2651)
(S2763)
237