Gree GRS-Cm28/NaA-M - Page 71

Chapter Ⅳ Maintenance（3. Maintenance of Key Parts）
69
6 、 Retain
system pressure,
vacuumize and
recharge
refrigerant.
——
● Detect system leakage;
● Make sure the vacuum
degree reaches -1.0bar;
● Type and amount of
refrigerant should accord with
requirements on unit‟s
nameplate.
3.2.1.2 Gas-liquid separator
Removal/ Installation of the gas-liquid separator and liquid storage tank.
Remarks: Reclaim refrigerant properly. Prepare related devices and tools. Make sure
power is off.
Step
Figure
Operation Instructions
1、Reclaim
the refrigerant
and then
remove the
gas-liquid
separator. Take
off the nuts and
bolts on the
base plate.
● Reclaim the
refrigerant;
● Disassemble the
connection pipes by
welding;
● Use spanner or other
tools to take off the
fixing nuts and bolts.
Remove the gas-liquid
separator.
2 、 Clean
the system
accordingly.
Replace with a
same model
gas-liquid
separator.
● Replace with a same
model gas-liquid
separator and secure it
with nuts and bolts;
● Then connect the
pipes with gas-liquid
separator.