GMV5 Home DC Inverter Multi VRF Units
318
2. Remove the
electric box.
●Disconnect internal and external
connecting wires of the electric
box.
●Protect the internal parts during
the disassembly.
3. Disassemble the
electric expansion
valve.
●Remove the coil from the electric
expansion valve;
●Heat up the connecting pipes of
the electric expansion valve with
welding and then remove the
pipes.
Note: Prevent nearby parts from
being burnt during welding.
4. Remove the
electric expansion
valve.
●Remove the electric expansion
valve.
5. Install a new
electric expansion
valve.
●Weld the connecting pipes of the
electric expansion valve.
●Before welding, cover the valve
with wet cloth.
●During welding, charge nitrogen
into the pipes. The pressure
should be controlled within 0.5±0.1
kgf/cm2 (relative pressure).
Note: Prevent nearby parts from
being burnt during welding.
●Install the coil on the electric
expansion valve.
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