Gree NCHS1B(U) Owner's Manual page 17

2) Take out the two silencers, insert nozzle ODΦ19(3/4) in silencer 1 to the high pressure gas pipe
on the right side of converter, then insert nozzle ODΦ28(1-1/8) in silencer 2 to the low pressure
gas pipe on the right side of converter, conduct welding;
NOTICE!
During welding, wrap up the pipe with wet cloth (as shown in the fig. 4.16).
(2) Installation instruction for silencer while the left side of converter is connected to outdoor unit;
1) Take off the plastic sealing cap in high pressure gas pipe nozzle and liquid pipe nozzle on the right
side of converter and conduct welding and install the two junction sealing caps to block the nozzle
on the right;
GMV5 HR Heat Recovery Cooling and Heating Mode Exchanger
Fig. 4.15
Fig. 4.16
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