GREE U-Match 6 SERIES UNIT SERVICE MANUAL
125
Removal of electronic expansion valve
Note: Before removing the electronic expansion valve, make sure there is no refrigerant in the pipeline and power is cut off.
Step Picture Work instruction
4. Take out the electronic
expansion valve.
Take out the electronic
expansion valve
5. Install the new electronic
expansion valve.
Weld the connection pipe
of electronic expansion
valve.
When welding the
electronic expansion
valve, the valve should be
wrapped with wet cloth.
Nitrogen welding: the
pressure of nitrogen is
0.5±0.1kgf/ c ㎡ (relative
pressure).
Note: When welding the
pipes, do not let the flame
burn the other
components.
Install the coil of
electronic expansion
valve.
6. Secure the electric box
and arrange the wires as
required.
Put the electric box back
in place and tighten up
the screws.
Arrange the wires as
original.
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