12 Maintenance notes
481
SMGB0087 rev.0 - 12/2013
12
No. Procedure Remarks
13
Perform the replacement of the compressor and the change
of the refrigerant oil according to the section “replacing the
compressor”.
Make sure that you follow the instructions.
14
Perform the vacuum from the check joint of the low-pressure
side.
If you collect the refrigerant only on the low-pressure side
(A in 10). You cannot perform the vacuum of the refrigerant
from the check joint of the high-pressure side.
15
Open the liquid stop valve and the gas stop valve comple-
tely when you nish the vacuum.
—
16
Make sure that the power is turned OFF and attach the
following items: the power supply wire the thermistor the
crankcase heater the 63H wiring the panel and the nut).
—
17
Set the DSW back to the original setting. Make sure that all
the wirings to the compressor are connected correctly.
—
18
Recharge the refrigerant that is collected in the process by
the stop valve of the liquid side during the cooling at the
TEST RUN mode.
If the replacement of the compressor takes more than two
hours an additional change of the refrigerant is necessary.
Additional change = (replacing time – 2 hours) x 0.5 kg.
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