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English
13
•
When the airtight test is performed for the indoor unit and inter-unit piping after indoor unit installation, be
sure to refer to the installation manual for the indoor unit or technical guide for airtight pressurization and
refrigerant piping installation.
•
Shortage of refrigerant due to air purge or losing the additional refrigerant charging may cause the failure
of the unit (does not sufficiently cool or heat).
Be sure to refer the installation manual or the engineering guide for the outdoor unit at the refrigerant piping
work.
•
Nitrogen should be set to 0.02MPa with a pressure-reducing valve if brazing while inserting nitrogen into
the piping.
(Refer to Fig. 18)
CAUTION
•
Do not use anything such as the oxidation inhibitor when brazing. (Residues may result in the clogging pipe
or parts damage.)
N
itrogen
Press
u
re-red
u
cing
v
al
v
e
Hands
v
al
v
e
Taping
Refrigerant piping
Part to
b
e
b
razed
N
itrogen
Fig. 18
Содержание SkyAir GQI-Eco FCQG100EVEB
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