Gree GMV-VQ680WM/C-X Service Manual page 234

Gree
Specifications
The power supplies of the compressor and fan comprise the following
three parts:
① The specifications of the input power are 380-415V 3N~ 50/60Hz+
neutral line and earth line.
② The drive board can convert AC power to DC power of about 540 V
(1.41 x power voltage).
③ DC-AC three-phase inverter.
Circuit diagram
Use of power to the main control board:
① Phase protection.
② Providing 220V AC power for the solenoid valve coil and 4-way valve coil.
③ Generating the low-voltage DC power.
Layout of electrical appliance box
232
GMV6 HR DC Inverter VRF Units Service Manual
Description
Physical position
①main board
②function expansion board
③Power terminal block