Service Manual

– 127 –
No.
10
Part name
Compressor
Compressor
lead
Procedure
1. Removal of defective compressor
1) Recover the refrigerant gas.
2) Carry out work of item 1 of
Q
, 1 of
S
and 1 of
W
.
3) Remove the piping panel (Front).
Remove the piping panel (Front) and screws of the
bottom plate. (Hexagonal screw Ø4 × 10, 2 pcs.)
Remove screw of the piping panel (Front) and the
piping panel (Rear). (Hexagonal screw Ø4 × 10, 1 pc.)
4) Remove the piping panel (Rear).
Remove the piping panel (Rear) and screws of the
bottom plate. (Hexagonal screw Ø4 × 10, 2 pcs.)
5) Remove the sound-insulation plate.
(Upper, rolling in, rolling out)
6) Remove the terminal cover of the compressor and
then remove the compressor lead and the compressor
case thermo.
7) Remove TD sensor which is fixed to the discharge
pipe.
8) Remove the compressor lead.
Control P.C. board U : CN211 Red
V : CN212 White
W : CN213 Black
9) Remove ferrite core from compressor lead.
10) Using a burner, remove the discharge pipe and the
suction pipe which are connected to the
compressor.
WARNING
In case of removing the piping by broiling the welded
part with a burner, if there is oil in the pipe, it may burst
into flames at the moment that wax melted, so take
sufficient care.
CAUTION
Note so that the flame does not catch the
4-way valve and PMV. (A malfunction may be caused.)
11) Pull off the discharge pipe and the suction pipe of
the refrigerating cycle upward.
12) Remove the compressor nuts which fix the
compressor to the bottom plate. (3 pcs.)
13) Pull out the compressor toward you.
CAUTION
As weight of the compressor is 20kg or more, handle it
by 2 workers.
Remarks
Compressor lead
Compressor lead
Compressor lead
Ferrite core
Ferrite core
Ferrite core
Compressor nuts
Compressor nuts
(3 pcs.)
(3 pcs.)
Compressor nuts
(3 pcs.)
Remove
Remove
(Discharge pipe)
(Discharge pipe)
Remove
Remove
(Suction pipe)
(Suction pipe)
Remove
(Discharge pipe)
Remove
(Suction pipe)
Pipe cover
Pipe cover
TD sensor
TD sensor
Bundling band
Bundling band
(For thermal proof)
(For thermal proof)
Pipe cover
TD sensor
Bundling band
(For thermal proof)
450
Piping panel (Front)
Piping panel (Front)
Piping panel (Rear)
Piping panel (Rear)
Piping panel (Front)
Piping panel (Rear)