Toshiba MCY-MHP0404HS-E Service Manual page 165

Step Component
13 Compressor 1. Installation of compressor
installation
2. Vacuuming
3. Refrigerant charging
4. Installation of sound-insulation mat
AMP Air Conditioning
Procedure
1) Install the compressor in the reverse procedure
of removal.
CAUTION
The tightening torque of the hexagonal bolt to
fi x the compressor is 11.0 N•m (110 Kgf•cm).
1) Connect the vacuum pump to the valve charge
ports on the liquid and gas pipes.
2) Vacuum until the vacuum low-pressure gauge
indicates -755 mmHg.
CAUTION
Before vacuuming, open PMV fully.
Vacuuming of the outdoor heat exchanger will
not occur if PMV is closed.
Method of opening compulsion of PMV
completely
• Turn on the power to the outdoor unit.
• Short CN300 and CN301 on I/F P.C. board.
• Turn off the power to the outdoor unit within
2 minutes of short-circuiting.
Add the same amount of refrigerant as the
remaining refrigerant from the charge port of the
valve.
(Fig. 13-1)
1) Start installing the sound-insulation mat (inside)
from the "adjustment position" between the
compressor and pipe, and the sound-insulation
mat (outside) up to the "adjustment position"
between the pipe and partition plate.
Sound-insulation
mat (outside-1)
Suction pipe
Partition plate
Discharge pipe
Compressor
Sound-insulation mat
(inside)
164
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Remarks
Sound-insulation
mat (outside-2)
(Fig. 13-1)