Toshiba Carrier RAV-SP180UT-UL EN - Manual (Page 11)

Toshiba
– 10 –
4-way Air Discharge Cassette Type
Installation Manual
EN
„ 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, system interconnection wires, and
remote control wires to their connection locations
before hanging the indoor unit.
Procure hanging bolts and nuts for installing the indoor
unit (these are not supplied).
Using 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.
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 3/8” (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.
Installation of ceiling opening and hanging
bolt
Hanging bolt 3/8" (M10) 4 pieces
Nut 3/8" (M10) 12 pieces
Indoor unit
Panel fixing
screw
Installation pattern (Accessory)
hole
New concrete slab
Install the bolts with insert brackets or anchor bolts.
Steel flame structure
Use existing angles or install new support angles.
Existing concrete slab
Use a hole-in anchors, hole-in plugs, or a hole-in bolts.
Rubber
Anchor bolt
(Blade type
bracket)
(Slide type
bracket)
(Pipe hanging
anchor bolt)
Hanging bolt
Hanging bolt Support angle
Hanging bolt
Level
Hanging bracket
10-EN
+00EH99864701_00Ta.book Page 10 Tuesday, November 24, 2009 4:54 PM