21
A
ENGLISH
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.
Note 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.
K The designs and shape are subject to change
according to the model.
AM77FNLD777
AM77FNMD777/AM77FNHD777
AM77JNMD777/AM77JNHD777
AM77JNMP777
Purging the unit
AM77MNMD777/AM77MNHD777
There are two refrigerant pipes of differing diameters:
X A smaller one for the liquid refrigerant
X A larger one for the gas refrigerant
X The inside of copper pipe must be clean & has no dust.
The connection procedure for the refrigerant pipes varies
according to the exit position of the pipes from the indoor unit,
as seen when facing the indoor in the “A” side.
X Liquid refrigerant port
X Gas refrigerant port
X Drain hose port
Refrigerant oil
Torque wrench
Flare nut
Union
Spanner
Connecting the refrigerant pipe
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