Toshiba RAV-SM182UTP-UL Installation Manual page 11

 Opening a ceiling and
installation of hanging bolts
• 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, open the ceiling and install
hanging bolts.
• The dimensions of the ceiling opening and hanging
bolt pitches are given in the outline drawing and the
attached installation pattern.
• When a ceiling already exists, lay the drain pipe,
refrigerant pipe, indoor unit / outdoor unit connection
wires, and remote controller wires to their connection
locations before hanging the indoor unit.
Procure hanging bolts 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
 How to use the installation
pattern (accessory)
The installation pattern is provided inside the
packaging cap.
<For existing ceiling>
Use the installation pattern positioning a ceiling
opening and hanging bolts.
<For new ceiling>
Use the installation pattern to position the ceiling
opening when hanging a ceiling.
• After the hanging bolts have been installed, install
the indoor unit.
• Hook the four holes in the installation pattern to the
panel fixing screws of the indoor unit.
• When hanging a ceiling, open the ceiling along the
outside dimensions of the installation pattern.
Indoor unit
Panel fixing
screw
Hole
Installation pattern (Accessory)
19-EN
 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.
1. Cut and remove the ceiling foundation.
2. Reinforce the cut surface of ceiling foundation, and
add ceiling foundation for fixing the end of ceiling
board.
 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
(Blade type (Slide type
(Pipe hanging
bracket) bracket)
anchor bolt)
Steel flame structure
Use existing angles or install new support angles.
Hanging bolt
Support angle
Hanging bolt
Existing concrete slab
Use a hole-in anchors, hole-in plugs, or a hole-in bolts.
 Installation of ceiling opening
and hanging bolt
Hanging bolt
Level vial
Hanging bracket
• Attach a nut (M10 or W3/8: not supplied) and the
Ø1.3" (34 mm) washer (supplied) to each hanging
bolt.
• Insert a washer on both sides of the T groove of the
hanging bracket of the indoor unit, and hang the
indoor unit.
• Check that the four sides of the indoor unit are level
using a level vial (levelness: 0.2" (5 mm) or less).
• Detach the installation template (accessory) from
the installation pattern.
• Using the installation gauge, check and adjust the
positional relation between the indoor unit and the
ceiling opening (1) (0.4" to 1.4"(10 to 35 mm)
: 4 sides) and the hanging-up height (2)
(0.47" 0 +0 .2" (12 0 mm):4 corners).
+5
(How to use the installation gauge is printed on the
gauge.)
* Procure hanging bolts
and nuts locally.
Hanging bolt
(M10 or W3/8)
Nut (M10 or W3/8) Washer (Accessory)
To prevent the bolt
from falling off (for
Eccentric washer
safety), be sure to set
(Accessory)
it just under the
* Install with the marking hanging bracket as
"UP" facing up.
shown in the figure.
Nut (M10 or W3/8)
� 10 �
Level vial (levelness:0.2"(5 mm) or less)
Hanging bolt
Indoor unit
Hanging
bracket
(1) 0.4" to 1.4"
(10 to 35 mm)
Ceiling
board
Installation gauge
Indoor unit
(2) 0.47" +0.2"
0
Ceiling board (12 mm)
Installation + 5
0
(1) 0.4" to 1.4"
gauge
(10 to 35 mm)
REQUIREMENT
Before installation of the indoor unit, be sure to remove
the tape for transportation between the fan and the bell
mouth. Running the unit without removing the tape may
damage the fan motor.
Be sure to remove the tape for
transportation between the fan and the
bell mouth.
EN
20-EN