Installation guide
Installation guide
21
21
(6) Connecting the outdoor unit’s pipes
(6) Connecting the outdoor unit’s pipes
Picture
Picture
Work
Work Description
Description
Things
Things to
to do
do
Check
Check point
point
Connecting the
Connecting the
outdoor unit’s
outdoor unit’s
pipe.
pipe.
Connect the pipe to
Connect the pipe to
the outdoor unit and
the outdoor unit and
perform insulation.
perform insulation.
Check the insulation
Check the insulation
of the outdoor unit.
of the outdoor unit.
(7) Vacuum works
(7) Vacuum works
Picture
Picture
Work
Work Description
Description
Things
Things to
to do
do
Check
Check point
point
Create vacuum
Create vacuum
inside the pipe.
inside the pipe.
Connect a vacuum
Connect a vacuum
pump to the service
pump to the service
valve of the outdoor
valve of the outdoor
unit and create vacuum
unit and create vacuum
all (Discharge, Suction
all (Discharge, Suction
& Oil) line.
& Oil) line.
Check the vacuum
Check the vacuum
condition.
condition.
(8) Checking the vacuum gauge
(8) Checking the vacuum gauge
Picture
Picture
Work
Work Description
Description
Things
Things to
to do
do
Check
Check point
point
Check the
Check the
vacuum gauge
vacuum gauge
condition.
condition.
Continue the vacuum.
Continue the vacuum.
Check the normal vacuum
Check the normal vacuum
gauge.
gauge.
8) Refrigerant charging
8) Refrigerant charging
(1) Refrigerant calculation
(1) Refrigerant calculation
Picture
Picture
Work
Work Description
Description
Things
Things to
to do
do
Check
Check point
point
Accurately calculate
Accurately calculate
the amount of
the amount of
refrigerant.
refrigerant.
--
Estimate the accurate
Estimate the accurate
amount of refrigerant from
amount of refrigerant from
the diagram.
the diagram.
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