Disassembly And Assembly Of Electronic Expansion Valve - Gree GMV series Service Manual

Dc Inverter VRF plus Water Heater Solution Service Manual
4. Install the coil
of 4-way valve
Remarks ： Make sure that there isn't any refrigerant in pipe system and the power supply is cut off before
removal of electronic expansion valve
Step
1 ． Remove
the coil of
electronic
expansion
valve
2 Use
．
welding gun
to unsolder
the pipes
connected
to electronic
expansion
valve
3 ． Replace
the
electronic
expansion
valve
4 ． Install the
coil of
electronic
expansion
valve

Disassembly and Assembly of electronic expansion valve

Illustration
SERVICING
●Place the coil of 4-way
valve correctly.
●Tighten the screws with
screwdriver.
Handling Instruction
●Remove the coil
electronic expansion valve
and place it away from fire
●Use welding gun
unsolder the pipes
connected to electronic
expansion valve
●Provide nitrogen
protection during gas
welding and the nitrogen
pressure should
2
0.5±0.1kgf/cm （ relative
pressure ）
●Please pay attention to
heating in case that
surrounding materials
should be burnt by high
temperature.
●Wrap the valve with wet
cloth
●Reweld the pipes
connected to electronic
expansion valve
●Install the coil
electronic expansion valve
of
to
be
of
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