Gree GMV-120WM/B-F

GMV5 D.C INVERTER MULTI VRF SERVICE MANUAL
207
Description of electric expansion valve:
2) Four-way valve: While this valve is normally running, the four copper pipes connected to it will
suffer different temperature. When a unit switches to act the valve, you will feel obvious vibration and
hear sound.
Touch the upper
part of an electric
expansion valve
and you will feel
its vibration while
units are being
powered on
Make sure the
coil is fixed
and firm