GREE         U-Match 5 SERIES UNIT SERVICE MANUAL 
137 
Removal of gas liquid separator 
Note: Before removing the gas liquid separator, make sure there is no refrigerant in the pipeline and power is cut off. 
Step  Picture    Work instruction 
4.  Install the new gas liquid 
separator 
 
  Install the gas liquid separator 
by referring to the positions of 
entering and leaving pipes. 
Weld the 2 welding 
interfaces. 
  Nitrogen welding: the 
pressure of nitrogen is 
0.5±0.1kgf/cm² (relative 
pressure). 
Note: When welding the 
pipes, do not let the flame 
burn the other components. 
  Tighten the screws of gas 
liquid separator. 
5.  Secure the electric box and 
arrange the wires as 
required. 
  Put the electric box back in 
place and tighten up the 
screws. 
  Arrange the wires as original. 
6.  Check and open the upper 
and side panels. 
  Check whether each 
component and connection 
wire is well connected. 
  If everything is OK, install the 
upper, left and right panels. 
Tighten up the screws.