Advertisement
Installation Procedure
Step 11 Performing the drainage test
1 Do a leak test at the connection part of the flexible
hose and the drian 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 drian pipe is used.
CAUTION
The leak test must be performed for at least 24
hours.
2 Check the condensed water drainage:
a Pour about 2 liters of water into the indoor unit
drain pan as shown in the picture.
1 way Cassette
4 way Cassette
16
English
Water leakage
check part
Flexible hose
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.
Advertisement
