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Concealed Duct High Static Pressure
Duct design
1. In order to prevent short circuits, design the duct installation, so that the intake and discharge openings are not
adjacent to each other.
2. The indoor unit does not have a built-in air filter. Make sure to set up the filter chamber etc. and install the air filter (Locally
procured). If no air filter is installed, the heat exchanger will be blocked by dust, which may cause the malfunction of air
conditioner or the water leakage.
<Duct installation example (First floor)>
Duct hose (with heat insulation)
to ground floor
NOTE
All duct connection between units except outdoor unit must be procured and enforced locally.
Air outlet chamber
(with heat insulation)
Flexible duct hanging band
Air outlet port
Air outlet port
High efficiency filter
inserting port
Air outlet port
connecting flange
Indoor unit
Electrical control
Filter
box
chamber
Ceiling
Check port or carrying
Check port cap
in port (600x600)
– 14 –
Installation Manual
Pre filter
inserting port
Air inlet port
connecting flange
Air inlet
chamber
Duct hose
from ground floor
EN
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