GREE                                                                        GMV5E DC INVERTER VRF UNITS SERVICE MANUAL 
    269   
3.4 Assembling and Disassembling Key Parts of ODUs 
Precondition: No refrigerant exists in the pipeline system and the power supply has been disconnected.   
1. Remove the front 
panels.   
●Use a screwdriver to unscrew the 
upper and lower front panels.   
●Lift the front panels in order to take it 
out.   
Note: Both the upper panel and lower 
panel are fixed with two fasteners 
respectively to connect to the side 
panels.   
2. Disconnect the 
power line of the 
compressor, and 
remove the electric 
heating belt, top 
temperature sensor, 
and discharge air 
temperature sensor.   
●Remove the sound-proof sponge 
from the compressor.   
●Use a screwdriver to unscrew the 
power line.   
●Remove the power line.   
●Remove the electric heating belt, 
top temperature sensor, and 
discharge air temperature sensor.   
Note: Before removing the power line, 
mark the colours of the line and 
corresponding wiring terminals.   
3. Loosen the nuts of 
the compressor.   
●Use a wrench to unscrew the four 
nuts.