Toshiba Super MMU-AP0092H Service Manual page 36

4
INSTALLATION
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.).
• Carry the package by two or more persons, and do not bundle it with plastic band at positions other than
specified.
n External view
Ø162
Ceiling bottom
surface
101 D
Knockout square hole
105
for divide duct (Ø150)
840 Unit external dimension
Knockout square hole
for divide duct (Ø150)
129
105
690 ± 20 Hanging bolt pitch
860 to 910 Ceiling opening dimension
950 Panel external dimension
Ceiling bottom surface
Knockout for simple OA
(Ø100) Z view
Ceiling bottom surface
Ceiling panel (sold separately)
Knockout square hole for humidifier
Model MMU A B C
AP0092H to AP0122H 256 Ø6.4 Ø9.5
AP0152H to AP0182H 256 Ø6.4 Ø12.7
Ceiling bottom surface
80
Ø162
Refrigerant pipe
240
connecting port
105 (Liquid) B
Electric parts box
408
Refrigerant pipe
connecting port
(Gas) C
105
Drain pipe
Connecting port
416.5
Knockout square hole
for divide duct f(Ø150)
480
105 Hanging bolt M10 or Ø3/8
(To be procured locally)
256.5
16.5
Knockout square hole for divide duct (Ø150)
D Model MMU A B
120 AP0242H to AP0302H 256 Ø9.5
120 AP0362H to AP0562H 319 Ø9.5
n 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 connec-
tion locations before hanging the indoor unit.
Procure hanging bolts and nuts for installing the
(Unit:mm)
indoor unit (these are not supplied).
Hanging bolt
Nut
172
112
44
How to use the installation pattern
Take-in port
of wires (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.
129
• When hanging a ceiling, open the ceiling along
189
Ceiling Bottom
the outside dimensions of the installation pattern.
surface
Panel fixing screw
(mm)
C D
Ø15.9 120
Hole
Ø15.9 183
Installation pattern (Accessory)
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 founda-
tion (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.
M10 or W3/8 4 pieces
Installation of hanging bolt
M10 or W3/8 12 pieces
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.
Install the bolts with insert brackets or anchor bolts.
(Blade type
bracket)
Use existing angles or install new support angles.
Indoor unit
Use a hole-in anchors, hole-in plugs, or a hole-in bolts.
New concrete slab
Rubber
Anchor bolt
(Slide type
(Pipe hanging
bracket)
anchor bolt)
Steel flame structure
Hanging bolt
Hanging bolt Support angl
Existing concrete slab