Chapter Ⅳ Maintenance（3. Maintenance of Key Parts）
77
4、Secure the
compressor on
chassis and weld
the suction pipe
and dicharge pipe.
● Place the newly replaced
compressor onto the rubber
grommets. Wear steel bushing
on the center of the grommet;
● Tighten up the nuts to the
position of steel bushing.
5、Install the
middle beam,
electric box an
connect the
compressor wire
properly.
● Secure the electric box;
● Connect wires according to
the wiring diagram;
● Power on the unit and
energize the AC contactor of
the compressor manually to
turn compressor on for 2~3
sec;
● If compressor is reversed,
ear-piercing noise will occur.
6 、 Retain
system pressure,
vacuumize and
recharge
refrigerant in. After
confirming it‟s OK,
install the front
panel.
● Detect system leakage;
● Make sure the vacuum
degree reaches -1.0bar;
● Type and amount of
refrigerant should accord with
requirements on unit‟s
nameplate.
3.2.2.2 Gas-liquid separator
Removal/ Installation of gas-liquid separator
Remarks: Reclaim refrigerant properly. Prepare related devices and tools. Make sure power is off.
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