18-EN
17-EN
– 9 –
CAUTION
Strictly comply with the following rules to prevent damage of the indoor units and human injury.
y
Do not put a heavy article on the indoor unit or let a person get on it. (Even units are packaged)
y
Carry in the indoor unit as it is packaged if possible. If carrying in the indoor unit unpacked by necessity, use
buffering cloth or other material to not damage the unit.
y
To move the indoor unit, hold the hooking brackets (4 positions) only.
Do not apply force to the other parts (such as refrigerant pipe, drain pan, foamed parts, or resin parts).
y
Carry the package by four or more persons, and do not bundle it with plastic band at positions other than
speci
fi
ed.
y
To install vibration isolation material to hanging bolts, con
fi
rm that it does not increase the unit vibration.
External dimensions
(Unit: mm)
Unit external dimension 1400
1296 (Outside)
101
95
Hole for hanging bolt
(4-Ø12×30)
324
(Outside)
84
448
90
90
90
27
Hanging bolt mounting pitch
1465
34
45
45
21
510
778
900
Hanging bolt mounting pitch
810
321
221
Refrigerant pipe
connecting port
(Liquid side)
Refrigerant pipe
connecting port
(Gas side)
Drain pipe connecting port
(Gravitational drainage)
74
4
Installation
Installation of hanging bolt
y
Consider the piping / wiring after the unit is hung to
determine the location of the indoor unit installation
and orientation.
y
After the location of the indoor unit installation has
been determined, install hanging bolts.
y
For the dimensions of the hanging bolt pitches, refer
to the external view.
y
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.
(Pipe hanging
anchor bolt)
(Blade type
bracket)
(Slide type
bracket)
Anchor bolt
Rubber
Steel
fl
ame 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.
Installation of indoor unit
Treatment of ceiling
The ceiling differs according to structure of building.
For details, consult your constructor or interior
fi
nish
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.
y
Attach the nuts and the M10
fl
at washers to the
hanging bolt.
y
Put washers at up and down of the hanging bracket
of the indoor unit to hang down the indoor unit.
y
Check that four sides are horizontal with a level
gauge. (Horizontal degree: Within 5 mm)
M10
fl
at washer
M10
fl
at washer
Hanging bolt
(W3/8 or M10)
Nut
(W3/8 or M10)
Nut
(W3/8 or M10)
REQUIREMENT
y
Hang the unit in a horizontal position.
When unit is hanged to slant, it may cause
over
fl
ow of drainage.
y
Install the unit within the dimension according to
the
fi
gure below.
y
Use level gauge to con
fi
rm whether the unit is
hang horizontally.
Front view
0 to 5 mm
0 to 5 mm
Side view
Set the air intake and air discharge
sides are within 5 mm with each other.
Set the drain pipe connecting port side
within 5 mm lower than opposite side.
