DC INVERTER U-MATCH AIR CONDITION MAINTENANCE
148
7,Renew the electrical source
wire of compressor
●Install the power cable to
the fixing screw according to
the disassembly
procedures.
●Use screwdriver to tighten
the screws fixing the power
cable.
8. Establish vacuum via
Freon nozzle
●Establish vacuum inside
the system via Freon nozzle.
9. Recharge refrigerant via
Freon nozzle
●Recharge the refrigerant to
the system via Freon nozzle.
●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
●Cut off the power and
recycle the refrigerant
properly.
●Remove the solenoid vale
with spanner.
Disconnect the
connecting wire
of compressor
Vacuum piping
through the
process pipe
Vacuum piping
through the
process pipe
Vacuum piping
through the
process pipe
Remove the
solenoid valve
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