GREE ELECTRIC GUHD09NK3CO Service Manual page 156

U-Match Series DC
Inverter Service Manual
4 . R e m o v e t h e
compressor away
5. Place the new
compressor on the
base
6 . C o n n e c t t h e
suction/discharge
p i p e s o f t h e
compressor with the
system piping.
7 . C o n n e c t t h e
power cord of the
compressor
8. Establish vacuum
through liquid valve
153
Remove the compressor away from its
base.
a. Put the new compressor in the right
place.
b. Tighten the screws of the compressor
with a wrench
c. Never put the compress upside down
a. Connect the suction/discharge pipes of
the compressor by means of gas welding.
b. During the welding, nitrogen should
be inflated and its pressure should be
3
0.5±0.1kgf/cm (relative pressure)
c. Attention should be taken during the
heating to avoid the surrounding objects
burnt due to the high temperature.
a. Connect the power cord as the reverse
way of disconnection mentioned above.
b. Tighten the cover of the compressor
with a screw driver.
Establish vacuum inside the system
through liquid valve.