GREE ELECTRIC GUHD09NK3CO Service Manual page 163

4.Remove the old
expansion valve.
5. Install a new electric
e x p a n s i o n v a l v e a n d
connect it to system
6.Establish vacuum inside
the system through liquid
valve.
7.Recharge the refrigerant
to the system through
liquid valve.
U-Match Series DC
Inverter Service Manual
Remove the old expansion valve.
A.Weld the electric expansion valve
B.During soldering, charge nitrogen
with pressure of 0.5±0.1kgf/cm
(relative pressure)
C.Do not burn the surrounding material
during heating.
through liquid valve.
through liquid valve.
to the indications on nameplate.
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