Samsung MXJ-YA1509 Series Installation Manual page 21

(6) Connecting the outdoor unit's pipes (6) Connecting the outdoor unit's pipes
(7) Vacuum works (7) Vacuum works
(8) Checking the vacuum gauge (8) Checking the vacuum gauge
8) Refrigerant charging 8) Refrigerant charging
(1) Refrigerant calculation (1) Refrigerant calculation
Picture Picture
Work Work Description
Connecting the Connecting the
outdoor unit's outdoor unit's
pipe. pipe.
Picture Picture Work Work Description
Create vacuum Create vacuum
inside the pipe. inside the pipe.
Picture Picture
Work Work Description
Check the Check the
vacuum gauge vacuum gauge
condition. condition.
Picture Picture
Work Description Work
Accurately calculate Accurately calculate
the amount of the amount of
refrigerant. refrigerant.
Description Things Things to to do
Connect the pipe to Connect the pipe to
the outdoor unit and the outdoor unit and
perform insulation. perform insulation.
Description Things Things to to do
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.
Description Things Things to to do
Continue the vacuum. Continue the vacuum.
Description Things Things to to do
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Installation guide Installation guide
do Check Check point point
Check the insulation Check the insulation
of the outdoor unit. of the outdoor unit.
do Check Check point point
Check the vacuum Check the vacuum
condition. condition.
do Check Check point point
Check the normal vacuum Check the normal vacuum
gauge. gauge.
do Check Check point point
Estimate the accurate Estimate the accurate
amount of refrigerant from amount of refrigerant from
the diagram. the diagram.