Removal Of Pcb And Electrical Box - Daikin FTX25JVEA9 Service Manual

Si18-201
2.2

Removal of PCB and Electrical Box

Procedure
before disassembling work.
Step
"
Detach the top, front and
side panels, referring to
the instructions in
"Removal of Outer
Panels".
1. Disconnecting the earth
wire
Disconnect all the relay
1
wires.
2 Remove the screw
from the earth wire.
Remove the screw
from the electrical box
itself.
2. Disconnecting the
connectors
Disconnect the
1
following connectors.
S108: EVG gas pipe
motorized valve (Blue)
S109: EVL liquid pipe
motorized valve
(White)
S110: EVP discharge/
suction bypass
motorized valve (Red)
S114: Thermistor
harness
S105: LP low-pressure
sensor
3. Disconnecting the relay
connectors
1 Disconnect the two fan
moter relay connectors.
Removal Procedure
Warning Be sure to wait 10 minutes or more after turning off all power supplies
Procedure
Outdoor Unit
Points
Warning
Electric Shock
1 Be sure to turn off the power
before servicing.
2 Do not touch any live parts
(high-voltage) for 15 minutes
after turning off the power.
3 Before handling these parts,
make sure the main circuit
capacitor (C1) voltage is
below DC 50 V and
disconnect the fan
connectors (CN3, CN4).
4 Pay attention to the hot parts
Keep in mind that some
parts inside the electrical box
are hot.
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