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Installation Procedure
NOTE
•
If a concentrated drain pipe is installed, refer to the
figure below.
Full thread bolt hanger
Main drain pipe
Step 12 Performing the drainage test
1
Do a leak test at the connection part of the flexible hose
and the drain pipe:
a
Connect a general hose to the connection part of
the flexible hose of the indoor unit, and pour in some
water.
Hose
b
After pouring some water, reassemble the rubber cap
on the connection part of a flexible hose of the indoor
unit and firmly tighten it with a band to prevent
leakage.
c
Check the leak test at the part where the adhesive for
the flexible hose and the drain pipe is used.
CAUTION
•
The leak test must be performed for at least 24 hours.
18
English
1000 to 1500 mm
Main air vent
(must be installed)
200 mm or
more
300 to
550 mm
Centralized horizontal drain
pipe (more than 1/100 slope)
Water leakage check part
Flexible hose
2
Check the condensed water drainage:
a
Pour about 2 liters of water into the indoor unit drain
pan as shown in the picture.
b
When the electric cable connection is completed
•
Turn on the indoor unit and outdoor unit.
•
Operate in the Cool mode.
CAUTION
•
Only in the Cool mode, you can check the correct
operation of the drain pump.
When the electric cable connection has not been completed
•
Remove the control box cover of the indoor unit.
•
Connect the power supply (220~240V, 50 Hz) to the
L and N terminals.
•
Reassemble the control box cover and turn on the
indoor unit.
CAUTION
•
When the float switch is not detected due to
insufficient water on the drain pan, the drain
pump will not work.
•
If the power supply is directly connected to the L
and N terminals, communication error message
might appear.
•
After completing the drainage check, turn the
unit off and disconnect the power supply.
•
Reassemble the control box cover.
c
Check whether the drain pump works correctly.
d
Check whether the drainage is performing correctly
at the end of the drain pipe.
e
Check for leakage at the drain pipe and drain pipe
connection part.
f
When leakage occurs, check whether the indoor unit
is level and check the drain hose connection part,
drainpipe connection part and drain pump connection.
g
When the drainage check is completed and the
condensed water remains on the drain pan, remove
the water.
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