GREE GMV5E DC INVERTER VRF UNITS SERVICE MANUAL
280
Heat exchanging board
Precondition: No refrigerant exists in the pipeline system and the power supply has been disconnected.
Step
Diagram
Operation Procedure
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 heat
exchanging board.
●Heat the connecting pipes of the
heat exchanging board by acetylene
welding and then remove the pipes.
Note: Avoid nearby parts from being
burnt during welding. The joints of the
board must be welded with copper
plated steel. Ensure welding quality.
4. Remove the heat
exchanging board.
●Unscrew the support of the heat
exchanging board, and remove the
support and board.
