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Compressor
1. Removing the malfunctioning compressor
9
replacement
1) Collect the refrigerant gas with the recovery.
2) Perform Step 1 of 1, Step 1 of 3, Step 1 of 4,
Step 2 of 4.
3) Remove the screws the packed valve and ball
valve from the valve fixing plate. ( Fig. 9-1 )
(hexagonal screws: M5×16, each 2)
4) Remove the screws the partition plate
and valve fixing plate. ( Fig. 9-2 )
(M4×10, 2)
5) Remove the sound-insulation mat (up, outside, inside).
6) Remove the screws the partition plate,
bottom plate, and heat exchanger, and
remove the partition plate. ( Fig. 9-3 )
(M4×10, 5)
7) Remove the TD sensor and binding band the
discharge pipe. ( Fig. 9-4 )
8) Remove the terminal cover of the compressor,
and the compressor lead is removed. ( Fig. 9-5 )
Be sure the Faston connector on the lead wire
does not bend and become loose when
connecting it or removing it from the compres-
sor's lead wires.
If the Faston connector becomes loose, it could
lead to overheating or fire.
9) Brazing the discharge and suction pipes
connected to the compressor using the burner
to remove the soldering. ( Fig. 9-6 )
Be careful when brazing the soldering with
the burner to remove the pipes. Oil remaining
in the pipes may generate fire when the
soldering melts.
10) Pull up the discharge and suction pipes.
11) Remove the compressor bolts fixing the
compressor to the bottom plate. ( Fig. 9-6 )
(hexagonal bolts: M6×15, 3)
12) Pull out the compressor.
The compressor weighs over 15 kg.
Two persons should work together.
P
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CAUTION
WARNING
CAUTION
CAUTION
147
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Valve fixing plate
( Fig. 9-1 )
Screws (4 positions)
Packed valve (9.5)
Ball valve (15.9)
Partition plate
Screws (2
( Fig. 9-2 )
Valve xing plate
Par
on plate
( Fig. 9-3 )
( Fig. 9-4 )
Bottom plate
otto
p ate
Compressor lead wire precautions
・Attach the compressor's leads
to the specified terminals
・Do not press Faston terminals
two times.
・Replace the compressor's lead
wires if they are inserted into a
Faston connector once and
then removed.
・The compressor's lead wires
must come out straight.
・Be careful to not put excessive
stress on the lead wires and
the terminals.
White
・After passing the lead wire
Red
through the bushing, attach
Put up the
the terminal cover.
sleeve.
When doing this, be careful
that you do not pinch the lead
wire in the terminal cover.
・After passing the lead wire
through the bushing, attach
the terminal cover.
When doing this, be careful
that you do not pinch the lead
wire in the terminal cover.
<Compressor replacement>
Remove (suc on pipe)
Remove
(discharge pipe)
( Fig. 9-6 )
Compressor bolts
(3
)
Binding
band for
TD sensor
Comp.
Comp
terminal and
case
thermostat
Case thermostat
Black
Comp. lead
( Fig. 9-5 )
)
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Table of Contents
Troubleshooting
