Gree NCHS1D Owner's Manual page 20

Take out the two silencers, insert nozzle ODΦ22 mm in silencer 1 to the high pressure gas pipe
on the right side of the box, then insert nozzle ODΦ28 mm in silencer 2 to the low pressure gas pipe
on the right side of the box, weld them together.
NOTE!
During welding, wrap up the pipe with wet cloth (as shown in the Fig.4.2.2).
(2) Installation instruction for silencer while the left side of box is connected to outdoor unit;
Weld to take off the junction sealing cap on low pressure gas pipe nozzle of right side. Then weld
the other junction sealing packed with the box on it.
Cut off the sealing caps of high pressure gas pipe, low pressure gas pipe and liquid pipe with a
pipe cutter.
Low pressure gas pipe
Cut thispipe outlet
with a pipe cutter
Liquid pipe
High pressure gas pipe
Fig.4.2.1
Fig.4.2.2
Low pressure gas pipe
Liquid pipe
High pressure gas pipe
Fig.4.2.3
16
GMV6 HR Mode Exchange Box
Unit：mm
After welding totake off the
junction sealingcap, welding
to install the other junction
sealing