Gree GMV5E Series Service Manual page 271

GREE
3. Disconnect all lines of the compressor drive, including: compressor line; communication line
between the master unit and the drive; communication line between the compressor drive and fan
drive; compressor drive output 18 VDC; bridge rectifier output P; bridge rectifier output N;
compressor drive output 540 VDC; reactor's wiring terminal; bridge rectifier input AC inlead;
compressor drive's mains terminal. See the figure below:
4. Loosen the screws on the compressor drive, as shown in the figure below:
GMV5E DC INVERTER VRF UNITS SERVICE MANUAL
267