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Installation Procedure
2
Insert the end of the drain hose to the extension drain
hose to make a connection.
3
Tightly wrap the connection part with a cable tie or tape
for fixing.
Connecting drain hose
(foamed polyethylene)
•
When the hole of the drain hose on the wall is lower
than that of the drain hose connection
Indoor unit
•
When the hole of the drain hose on the wall is higher
than that of the drain hose connection
Indoor unit
22 English
Insulation
Drain hole for duct
(polypropylene)
Drain hose
Inside indoor unit
Step 16 Performing drainage test
Put the water bottle deeply into the first blade on the left of
the air outlet and slowly pour water.
Water bottle
CAUTION
•
Install the drain hose in a downward direction.
•
Water leakage may occur when the drain hose is not
firmly fixed with a cable tie or tape.
•
If there is any foreign substance in the drain pan, it
may clog the drain hose. Be sure to remove the foreign
substance after installation.
•
Do not use the drain hose connected by multiple drain
hoses.
–
Water may leak from the extension connection part.
Install the drain hose for each piece.
–
If its length is too short and you cannot avoid
the connecting multiple drain hoses, be sure to
use silicone sealant or other material for water-
proofing. Do not use the insulating tape.
Step 17 Checking the earthing
Before supplying main power, use a DC 500V insulation
resistance tester to measure the resistance between the
power terminals (L, N) and the outdoor unit earthing. Make
CAUTION
•
Do not test the communication terminals with the DC
500V insulation resistance tester. Failure to do so may
damage the communication circuit.
•
Use a common circuit tester to test the communication
terminals for open or short circuit.
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