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Purging the unit
On delivery, the indoor unit is loaded with inert gas.
All this gas must therefore be purged before connecting the assembly
piping. To purge the inert gas, proceed as follows.
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
N N
N N
o o
o o
t t
t t
e e
e e
during installation, do NOT remove the pinch pipe completely
until you are ready to connect the piping.
Gas refrigerant
port
Liquid refrigerant
port
9
E-
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