DC INVERTER U-MATCH AIR CONDITION MAINTENANCE
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8. Establish
vacuum inside
the system
through liquid
valve.
●Establish vacuum inside the
system 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
Remark : 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. Remove the
solenoid valve
● Firstly, cut off the
power.
● Recycle the
refrigerant properly.
● Use screwdriver to
loosen the screws
fixing the oil-liquid
separator.
2. Remove the
solenoid valve
● Remove the solenoid
valve from 4-way valve.
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