22
Pump Done
Check After Installation
When relocating or disposing of the air
conditioner, pump down the system following
the procedure below so that no refrigerant is
released into the atmosphere.
Connect the hose of manifold valve to the
charge port of stop valve on the gas pipe
side of the outdoor unit.
Close the stop valve on the gas pipe side
almost completely.
Fully close the stop valve on the liquid pipe
side.
Turn on the unit in COOL mode.
Fully close the stop valve on the gas pipe
side when the pressure gauge shows
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2
aN3D
Stop the test run operation by turn the unit
off and all the refrigerant gas have been
collected in the outdoor unit.
Items to be checked
Possible malfunction
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The unit may drop, shake
or emit noise.
Have you done the
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cooling (heating)
Is thermal insulation
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It may cause condensation.
Is water drainage
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It may cause water
leakage.
Is the voltage in
accordance with the
rated voltage marked on
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It may cause electric
malfunction or damage the
unit.
Is the electric wiring
or piping connection
installed correctly and
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It may cause electric
malfunction or damage the
parts.
Has the unit been
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It may cause electrical
leakage.
Is the power cord
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It may cause electric
malfunction or damage the
parts.
Is the inlet or outlet
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cooling (heating)
Is the length of
connection pipes and
refrigerant capacity
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The refrigerant capacity is
not accurate.