Gree GMV-VQ680WM/C-X Service Manual page 254

Gree
4.1.5 Electronic Expansion Valve
Two types of electronic expansion valves are adopted by the unit:
① Heating electronic expansion valve with the largest openness of 3000 pls and 6-core coil.
② Subcooling electronic expansion valve and EVI electronic expansion valve with the largest
openness of 480 pls and 5-core coil.
Circuit diagram
Specifications
Layout of electrical appliance box
Models: GMV-VQ224WM/C-X、GMV-VQ280WM/C-X、GMV-VQ335WM/C-X
GMV6 HR DC Inverter VRF Units Service Manual
The electronic expansion valve is used to control the flow. When the electronic
expansion valve is closed (the openness is 0 pls), the flow is stopped.
①Main electronic expansion valve for heating
②Auxiliary electronic expansion valve for heating
③Electronic expansion valve of subcooler
④EVI electronic expansion valve
252
Description
Physical position