11
EN
G
LIS
H
Purging the unit
From factory the unit is supplied and set with a pre-charge of nitrogen gas (inert gas). Therefore, all inert gas must be purged
before connecting the assembly piping. Make sure all the nitrogen gas is purged out before installing the unit. If not, do not
install the unit because leftover nitrogen could cause internal leakage.
Unscrew the pinch pipe at the end of each refrigerant pipe.
RESULT : All inert gas escapes from the indoor unit.
To prevent dirt or foreign objects from getting into the pipes during
installation, do NOT remove the pinch pipe completely until you are ready
to connect the piping.
Gas refrigerant port
Liquid
refrigerant
port
❈
The designs and shape are subject to
change according to the model.
NOTE
FJM IDU-PH_Cassette type_IM_31595A-04_EN.indd 11
2015-11-16 오후 4:52:21
