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

Concealed Duct High Static Pressure
4

INSTALLATION

• 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 inlet 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.
n External Dimensions
4-M10 hanging bolt
1288 (Hanging bolt pitch)
(Local procure)
Refrigerant pipe connecting port
(Gas side Ø22.2 Brazed)
22
Drain pipe
46
connecting port
65
Installation Manual
WARNING
(Unit: mm)
1328
Electrical control box
Refrigerant pipe connecting port
(Liquid side Ø12.7 Flared)
1250
624
698
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Concealed Duct High Static Pressure
n 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 4 pieces
Nut M10 or W3/8 12 pieces
Washer M10 8 pieces
Installation of hanging bolt
Use 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.
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
Hanging bolt Support angle
Existing concrete slab
Use a hole-in anchors, hole-in plugs, or a hole-in bolts.
Installation Manual
n 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 horizontal.
(Horizontal degree: Within 5mm)
Hanging bolt
M10 flat washer
(W3/8 or M10)
Nut
(W3/8 or M10)
M10 flat washer
Nut
(W3/8 or M10)
• Check that four sides are horizontal using a level vial.
(Horizontal degree: Within 5mm)
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.
• Using level vial or vinyl hose to confirm whether the unit
is hang horizontally.
Front view Side view
Water pouring
Set the drain pipe connecting Set the air inlet and air outlet
port side within 5mm lower sides are within 5mm with
than opposite side. each other.
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Vinyl hose