Inspection Of Key Parts - Gree GMV-VQ680WM/C-X Service Manual

Gree

4 Inspection of Key Parts

4.1 Outdoor Unit
4.1.1 Power
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
Models: GMV-VQ224WM/C-X、GMV-VQ280WM/C-X、GMV-VQ335WM/C-X
GMV6 HR DC Inverter VRF Units Service Manual
Description
231
Physical position