Concealed Duct High Static Pressure

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 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

(Unit: mm)

Concealed Duct High Static Pressure

nInstallation 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.

Installation Manual

nInstallation 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)

 

– 87 –

4-M10 hanging bolt (Local procure)

1288 (Hanging bolt pitch)

1328

 

 

 

 

 

 

 

 

 

 

(Hanging bolt pitch)

1380

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1260

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

100

 

 

 

 

 

 

 

 

 

 

 

 

 

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

•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.

Electrical control box

Refrigerant pipe connecting port

(Gas side Ø22.2 Brazed) Refrigerant pipe connecting port (Liquid side Ø12.7 Flared)

 

 

1250

 

 

 

200 150

 

 

470

22

Drain pipe

31

 

45

46

624

 

 

65

connecting port

 

698

 

Existing concrete slab

Use a hole-in anchors, hole-in plugs, or a hole-in bolts.

 

Front view

 

Side view

 

 

 

Water pouring

to5mm

 

±5mm

Vinyl hose

0

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.

– 11 –

– 12 –

Page 86 Page 88
Page 87
Image 87
Toshiba RAV-SM2802DT-E, RAV-SM2242DT-TR External Dimensions, Installation of hanging bolt, Installation of indoor unit
Page 86 Page 88

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