Concealed Duct High Static Pressure | Installation Manual |
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!Installation of hanging bolt
•Consider the piping/wiring after the unit is hung when determining the location of the indoor unit installation and orientation.
•After the location of the indoor unit installation has been determined, install hanging bolts.
•For the dimensions of the hanging bolt pitches, refer to the external view.
•When a ceiling already exists, lay the drain pipe, refrigerant pipe, system interconnection wires, and remote controller wires to their connection locations before hanging the indoor unit.
Procure hanging bolts washer and nuts for installing the indoor unit (these are not supplied).
Hanging bolt | M10 or W3/8 | 4 pieces |
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Nut | M10 or W3/8 | 12 pieces |
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Washer | M10 | 8 pieces |
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Installation of hanging bolt
Use M10 hanging bolts (4 pcs, to be local procure). Matching to the existing structure, set pitch according to size in the unit external view as shown below.
New concrete slab
Install the bolts with insert brackets or anchor bolts.
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| Rubber |
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| Anchor bolt |
(Blade type | (Slide type | (Pipe hanging |
bracket) | bracket) | anchor bolt) |
Steel flame structure
Use existing angles or install new support angles.
Hanging bolt
!Installation of indoor unit
Treatment of ceiling
The ceiling differs according to structure of building. For details, consult your constructor or interior finish contractor.
In the process after the ceiling board has been removed, it is important to reinforce ceiling foundation (frame) and to keep horizontal level of installed ceiling correctly in order to prevent vibration of ceiling board.
•Attach the nuts and the M10 flat washers to the hanging bolt.
•Put washers at up and down of the hanging bracket of the indoor unit to hang down the indoor unit.
•Using a level vial, check that four sides are horizontal. (Horizontal degree: Within 5mm)
Hanging bolt | M10 flat washer | |
(W3/8 or M10) |
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Nut |
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(W3/8 or M10) | M10 flat washer | |
Nut | ||
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(W3/8 or M10) |
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EN
•Check that four sides are horizontal using a level vial. (Horizontal degree: Within 5mm)
REQUIREMENT
•Hang the unit in a horizontal position.
When unit is hanged to slant, it may cause overflow of drainage.
•Install the unit within the dimension according to the figure below.
•Using level vial or vinyl hose to confirm whether the unit is hang horizontally.
Hanging bolt | Support angle |
Existing concrete slab
Use a
Front view
0 to 5mm
Set the drain pipe connecting port side within 5mm lower than opposite side.
Side view
Water pouring
±5mm 
Vinyl hose
Set the air inlet and air outlet sides are within 5mm with each other.
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