50
Duct connection
Make sure to insulate the duct refering to the picture.
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Wind the aluminum tape securely round the duct connection so that the air in the duct does not leak.
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To prevent rain from permeating duct connection, install the two outdoor ducts (OA, EA) on a slope.
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To prevent condensation from forming, insulate the three ducts. (Outdoor ducts and Indoor supply air duct)
(Material: Glass wool of 25 mm thick)
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Outdoor air duct must be installed at least 3m above the product.
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Install electric damper and back draft damper during duct installation.
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
NOTE
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The use of flexible hose made of fiber glass is recommended to minimize noise. Install the duct at least
over 3m to reduce the noise as well.
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If the duct is not attached correctly and securely, it may result in malfunction.
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To prevent a short circuit, install the indoor air intake as far away as possible from an air outlet.
Examples of incorrect duct installation
Extreme bend
Multi bend
Narrow diameter of
connection part
A bend right next to
the outlet