GMV5 DC INVERTER VRF UNITS SERVICE MANUAL
208
Precondition: No refrigerant exists in the pipeline system and the power supply has been disconnected.
1. Loosen the hooks
at the bottom of the
electric box and the
screws.
●
Remove the upper and lower
front panels.
●
Loosen the hooks at the
bottom of the electric box.
●
Use a screwdriver to unscrew
the electric box.
2. Remove the
electric box.
●Disconnect internal and
external connecting lines of the
electric box.
●Protect the internal parts
during the disassembly.
3. Disassemble the
four-way valve.
Use a screwdriver to unscrew
accessories of the four-way
valve.
Remove the accessories.
●Heat the connecting pipes of
the four-way valve by acetylene
welding and then remove the
pipes.
●Record the direction of the
valve and position of the pipe
joints.
Note: Avoid nearby parts from
being burnt during welding.
4. Remove the
four-way valve.
●
Remove the four-way valve
from the pipeline.
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