Gree HOME GMV Инструкция по эксплуатации онлайн [265/367] 48267

Gree HOME GMV Инструкция по эксплуатации онлайн [265/367] 48267
Dc Inverter VRF plus Water Heater Solution Service Manual SERVICING
261
4. Install the coil
of 4-way valve
Place the coil of 4-way
valve correctly.
Tighten the screws with
screwdriver.
Disassembly and Assembly of electronic expansion valve
RemarksMake sure that there isn’t any refrigerant in pipe system and the power supply is cut off before
removal of electronic expansion valve
Step Illustration Handling Instruction
1Remove
the coil of
electronic
expansion
valve
Remove the coil of
electronic expansion valve
and place it away from fire
2 Use
welding gun
to unsolder
the pipes
connected
to electronic
expansion
valve
Use welding gun to
unsolder the pipes
connected to electronic
expansion valve
Provide nitrogen
protection during gas
welding and the nitrogen
pressure should be
0.5±0.1kgf/cm
2
relative
pressure
Please pay attention to
heating in case that
surrounding materials
should be burnt by high
temperature.
3 Replace
the
electronic
expansion
valve
Wrap the valve with wet
cloth
Reweld the pipes
connected to electronic
expansion valve
4Install the
coil of
electronic
expansion
valve
Install the coil of
electronic expansion valve

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