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Installation of hanging bolt
Consider the piping / wiring after the unit is hung to
determine 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, control 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
Installation of hanging bolt
Use M10 hanging bolts (4 pcs, locally procured).
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
(Slide type
(Blade type
(Pipe hanging
bracket)
bracket)
anchor bolt)
Steel flame structure
Use existing angles or install new support angles.
Hanging bolt
Hanging bolt
Support angle
Existing concrete slab
Use a hole-in anchors, hole-in plugs, or a hole-in bolts.
17-EN
1116950170_01_EN.indd 9
1116950170_01_EN.indd 9
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.
Check that four sides are horizontal with a level
gauge. (Horizontal degree: Within 0.2" (5 mm))
Hanging bolt
M10 flat washer
(W3/8" or M10)
Nut
(W3/8" or M10)
M10 flat washer
Nut
(W3/8" or M10)
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.
Use level gauge to confirm whether the unit is hang
horizontally.
Front view
Set the drain pipe connecting
port side within 0.2" (5 mm)
lower than opposite side.
Side view
Set the air intake and air
discharge sides are within with
0.2" (5 mm) each other.
– 9 –
Mounting filter rails and filters
1
Mount the filter rail so that the hooks fit into the corresponding holes.
(Note that the upper and lower filter rails are not identical.)
2
Mount the filter stopper.
CAUTION
When mounting the rails, push them until the 3
latches click.
3
Slide and push the filters until it stop.
* Insert the filters into the direction which the
arrows, carved on the filters, show.
(2 filters are identical)
Changing from back air intake to under air intake
1
Remove the filters on back of unit.
2
Remove the suction board cover attached to the bottom, and screw it to the back of unit.
3
Mount the supplied rail to the bottom, then set the filter.
Suction board cover
Screw
Suction board cover
* The sizes of the left and right covers of AP0156~AP186 class unit are not identical. As shown in the figure,
re-mount the covers left-right reversed by facing the hook part upwards.
Square hole
Upper filter rail
Fit this hook into
the square hole.
Filter stopper (accessory)
Lower filter rail
Suction board cover
Hook part
Hook part
Screw
Suction board cover
10/21/20 12:30 PM
10/21/20 12:30 PM
18-EN
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