Procedure to Remove PCB Assy (1)
Si281317
6
Removal Procedure
4. Procedure to Remove PCB Assy (1)
Procedure
Warning
Be sure to wait for 10 minutes or more after turning off all power
supplies before disassembling work.
Step
Procedure
Points
Remove the front, top and
side panels in accordance
with the Procedure to
remove Outside Panels.
1. Remove the PCB (for
control)
1
Disconnect all
connectors.
Remove the lead
wire from the
terminal cover of the
compressor.
Remove the lead
wire from the
terminal of the high
pressure switch and
low pressure sensor.
Disconnect the
respective
connectors from the
following parts on
the PCB.
• Each thermistor
• Four way valve
coil
• Solenoid valve
coil
2
Unscrew a single
screw from the PCB
assy (for control
use).
Note:
The plastic casing and the PCB
are boned to each other.
Therefore, for the replacement
of these parts, replace by a set
of the PCB assy.
3
In order to remove
the PCB (for control
use) from a fixing
plate, disengage the
3 hooks.
Fixing screw of PCB assy
(for control use)
Hooks
Plastic casing
PCB
