Gree GMV6 DC Inverter VRF Units Service Manual
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Coils of different types are used on:
① Solenoid valve.
② 4-way valve.
① The 4-way valve is used to switch between cooling mode and heating mode. If the 4-way valve is active, the
unit works in heating mode, if the 4-way valve is inactive, the unit works in cooling mode.
② The solenoid valve is used to control the on-and-off of the pipeline. The valve of the unit is solid closed. That is,
the valve is closed when it is inactive, open when it is active.
Layout of electrical appliance box
Models: GMV-400WM/G-X, GMV-450WM/G-X, GMV-504WM/G-X
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