A/A DC INVERTER U-MATCH AIR CONDITIONERS MAINTENANCE
183
5. Connect the new
4-way valve to the
pipe.
● Install the new 4-way
valve to correct position.
●When welding the
4-way valve, please
wrap the valve body with
wet cloth, thus to prevent
the guide inside the
valve body from burn.
Also take care to prevent
any water from flowing
into the pipe.
● Weld by charging
nitrogen, with the
nitrogen pressure kept at
0.5±0.1kgf/c(relative
pressure).
6.Establish vacuum
inside the system
through liquid
valve.
● Establish vacuum
inside the system
through liquid valve.
7 Recharge the
refrigerant to 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.
Removal and Installation of Fan and Motor
Remark : 电机拆除之前必须确保机组电源已切断
Step Illustration Handling Instruction
1.拆除格栅
用螺丝刀将格栅与
面板固定螺钉松掉
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