GREE ELECTRIC GUHD09NK3CO Service Manual page 158

U-Match Series DC
Inverter Service Manual
4. Remove 4-way valve
5. Connect the new 4-way
valve to the pipe.
6.Establish vacuum inside
the system through liquid
valve.
7 Recharge the refrigerant
to the system through
liquid valve.
155
unit.
position.
wrap the valve body with wet cloth,
thus to prevent the guide inside the
valve body from burn. Also take care to
pipe.
nitrogen pressure kept at 0.5±0.1kgf/
c(relative pressure).
through liquid valve.
through liquid valve.
to the indications on nameplate.