Gree GMV-VQ680WM/C-X Service Manual page 368

Gree
Installation steps
（1）Install the new refrigerant adjustment tank to a correct position.
（2）Weld the pipe nozzle.
（3）Nitrogen protection should be adopted when welding, and the nitrogen pressure should
be 0.5±0.1kgf/cm2 (relative pressure).
（4）Check whether the components and connecting wires are well connected.
（5）After checking that there is no problem, install other parts, buckle the front panel, and fix
the fixing screws.
5.2 Mode Exchange Box
5.2.1 Primary disassembly steps
5.2.1.1 Remove the cover plate
(1) Use screwdriver to remove the screw① as shown in the unit;
(2) Remove the cover plate 1 from the unit.
5.2.1.2 Remove the electric box cover
（1） Use screwdriver to remove the screw① that fixes electric box cover as shown in the
figure.
（2） Remove the electric box cover 2 from the unit.
1-upper cover plate
GMV6 HR DC Inverter VRF Units Service Manual
①-screw
366