Installation of hanging bolt

Concealed Duct High Static Pressure	Installation Manual

!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

Nut	M10 or W3/8	12 pieces

Washer	M10	8 pieces

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.

		Rubber
		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)
	Nut
	(W3/8 or M10)	M10 flat washer
	Nut	M10 flat washer
	Nut
	(W3/8 or M10)

•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 hole-in anchors, hole-in plugs, or a hole-in bolts.

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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12-EN

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Concealed Duct High Static Pressure