Gree GMVVQ1015WM/C-X, Service Manual

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Gree GMV6 HR DC Inverter VRF Units Service Manual
371
(4) Remove the side panel assembly without removing the mounting plate of electric
component, side plate sub-assy 1, and side plate sub-assy 2. Please refer to section 5.2.1.4
Remove the Side Plate.
Disassembly steps
(1) Remove the rubber materials such as the insulation sleeve and pipe fixing block near the
electronic expansion valve that need to be replaced;
(2) Unscrew the electronic expansion valve coil to loosen it and then remove it;
(3) Unsolder the connecting pipe of the electronic expansion valve and take out the old
electronic expansion valve;
NOTE: When welding, use a damp cloth to wrap the surrounding electronic expansion valve
and important components.
1- electronic expansion valve coil 2- electronic expansion valve
Installation steps
(1) Install the new electronic expansion valve to a correct position;
(2) Weld the connecting pipe of electronic expansion valve and fill it with nitrogen for
protection during welding (unsolder the connecting pipe of the liquid pipe outside the unit for
nitrogen charging protection);
NOTE: When welding, wrap the valve body with a damp cloth. The electronic expansion valve
and important components near the welding point also need to be wrapped with a damp cloth.