Gree GUHD series - Page 137

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134
9. Charge
refrigerant through
liquid valve
Recharge the refrigerant to the
system through liquid valve.
The charge volume must be identical
to the indications on nameplate.
Disassembly and Assembly of 4-way valve
Note: Before removing the 4-way valve, make sure that there is no refrigerant inside the pipe system and that the
power has been cut off.
Step Illustration Handling Instruction
1. Loosen the solenoid
valve
a. Cut off the power supply
b. Recover the refrigerant.
c. Loosen the bolts on the solenoid
valve with a wrench.
2. Remove the solenoid
valve
Remove the solenoid away from the
four-way valve.
3. Remove the 4-way
valve
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connected on the four opennings
of 4-way valve. Then, pull them out
from 4-way valve.
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please record the orientation of
4-way valve and installing position of
each opening.