Installation; External Dimensions - Toshiba RAV-SM2242DT-E Installation Manual

4

Installation

WARNING
• Install the air conditioner certainly to sufficiently withstand the weight.
• If the strength is insufficient, the unit may fall down resulting in human injury.
• Perform a specified installation work to guard against strong wind or earthquake.
• An incomplete installation can cause accidents by the units falling and dropping.
REQUIREMENT
Strictly comply with the following rules to prevent damage of the indoor units and human injury.
• Do not put a heavy article on the indoor unit. (Even units are packaged)
• Carry in the indoor unit as it is packaged if possible. If carrying in the indoor unit unpacked by necessity, be sure to
use buffering cloth, etc. to not damage the unit.
• To move the indoor unit, hold the hooking metals (4 positions) only.
Do not apply force to the other parts (refrigerant pipe, drain pan, foamed parts, or resin parts, etc.).
• Hanging bolt pitch of air intake chamber side is different (centre position), make sure not to make mistake to install
the setting direction.
• Carry the package by two or more persons, and do not bundle it with plastic band at positions other than specified.

External dimensions

4-M10 hanging bolt
(Locally procured)
Refrigerant pipe connecting port
(Gas side Ø22.2 Brazed)
22
46
65
11-EN
1288 (Hanging bolt pitch)
1328
Electrical control box
Refrigerant pipe connecting port
(Liquid side Ø12.7 Flared)
1250
Drain pipe
624
connecting port
698
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
Nut M10 or W3/8
Washer
Installation of hanging bolt
Use M10 hanging bolts (4 pcs, locally procured).
(Unit: mm)
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.
(Slide type
(Blade type
bracket)
bracket)
Steel flame structure
Use existing angles or install new support angles.
Hanging bolt
Hanging bolt
Existing concrete slab
Use a hole-in anchors, hole-in plugs, or a hole-in bolts.
– 6 –
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
4 pieces
horizontal. (Horizontal degree: Within 5 mm)
12 pieces
M10 8 pieces
Hanging bolt
(W3/8 or M10)
Nut
(W3/8 or M10)
Nut
(W3/8 or M10)
• Check that four sides are horizontal using a level
vial. (Horizontal degree: Within 5 mm)
Rubber REQUIREMENT
Anchor bolt
• Hang the unit in a horizontal position.
(Pipe hanging
When unit is hanged to slant, it may cause overflow of
anchor bolt)
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.
Front view
Support angle
Set the drain pipe
connecting port side
within 5 mm lower than
opposite side.
M10 flat washer
M10 flat washer
Side view
Water pouring
Vinyl hose
Set the air intake and
air discharge sides are
within 5 mm with each
other.
EN
12-EN