Gree GMV-VQ680WM/C-X Service Manual page 251

Gree
Specifications
The unit is with two 4-way valves, which adopts the coil
with unified specification.
Circuit diagram
The 4-way valve is used for switching cooling and heating operation, if the cooling 4-way valve is energized, it will
conduct heating operation; if the cooling 4-way valve is not energized, it will conduct cooling operation. The
heating 4-way valve will be always in energization status.
Layout of electrical appliance box
Models: GMV-VQ504WM/C-X、GMV-VQ560WM/C-X、GMV-VQ615WM/C-X
249
GMV6 HR DC Inverter VRF Units Service Manual
Description
Physical position
① 4-way valve for heating
② Main 4-way valve for cooling