Gree Ultra Heat GMV-V72W/A-F, Service Manual

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Ultra Heat GMV VRF Technical Service Manual MAINTENANCE
148
10. Fix and wire the electric
box.
●Put the electric box back to original position
and screw it.
●Connect all lines.
11. Check and then install
the front panels.
●Check various parts and connecting lines.
●If no problem is found, hook the front panels
and tighten the screws.
Four-way valve
Precondition: No refrigerant exists in the pipeline system and the power supply has been disconnected
Step Diagram Operation Procedure
1. Remove the front panels.
●Use a screwdriver to unscrew the upper and
lower front panels.
●Lift the front panels in order to take it out.
Note: Both the upper panel and lower panel
are fixed with two fasteners respectively to
connect to the side panels.
2. Remove the electric box.
●Disconnect internal and external connecting
lines of the electric box.
●Protect the internal parts during the
disassembly.