Gree GMV-VQ680WM/C-X Service Manual page 374

Gree
(3) Install the electronic expansion valve coil to the correct position, and press the electronic
expansion valve coil until hearing a "da" sound, which means the installation is in place;
(4) The wiring is fixed according to the original requirements, please refer to the wiring
diagram;
(5) Check whether the components and connecting wires are well connected;
(6) Install the side plate sub-assy and the unit cover plate, and tighten the screws.
NOTE: The disassembly of other electronic expansion valves on the unit are all carried out
according to the above steps.
5.3 Hydro Box
5.3.1 Water discharge of hydro box
It need to drain off the water inside the hydro box at first before replacing the flow switch and
the plate heat exchanger. The operation method is as follow:
(1) Use a screwdriver to unscrew the 9 screws of the top cover of the hydro box and the 4
screws at the bottom of the rear panel (the side panel without the GREE logo), and then
remove the top cover and the rear panel.
(2) Operate from the direction shown in the figure below. Loosen the drain valve.
GMV6 HR DC Inverter VRF Units Service Manual
372