40
Drain pipe and drain hose installaton
Duct connection
Testing the drainage
Drainpipe
Drain water drops
Prepare a little water about 5 liters.
Make sure to insulate the duct refering to the picture.
X
Wind the aluminum tape securely round the duct connection so that the air in the duct does not leak.
X
To prevent rain from permeating duct connection, install the two outdoor ducts (OA, EA) on a slope.
X
To prevent condensation from forming, insulate the three ducts. (Outdoor ducts and Indoor supply air duct)
(Material: Glass wool of 25 mm thick)
X
The outside-air intake duct installed must be at least 3 m long.
X
Install electric damper and back draft damper during duct installation.
1. Pour water into the base pan in the indoor unit as shown in figure.
2. Confirm that the water flows out through the drain hose.
3. Check drain water drops at the end of the drain pipe.
4. Check that no water leaks from joints in the drain installation.
5. Reassemble the cover of water supply intake.
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to reduce the noise as well.
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Examples of incorrect duct installation
Extreme bend
Multi bend
Narrow diameter of
connection part
A bend right next
to the outlet
Insulation material(Locally procured)
Outdoor Air duct,
Exhaust air duct
Aluminium tape (Locally procured)
Aluminium tape (Locally procured)
Inclination
(1/50~1/20)
Supply Air duct
