Installation - Toshiba MMU-AP0074YH1-E Installation Manual

SMMS 1-Way Cassette YH Type
4

Installation

CAUTION
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 or let a person get on it. (Even units are packaged)
• Carry in the indoor unit as it is packaged if possible. If carrying in the indoor unit unpacked by necessity, use buffering
cloth or other material to not damage the unit.
• To move the indoor unit, hold the hooking brackets (4 positions) only.
Do not apply force to the other parts (refrigerant pipe, drain pan, foamed parts, resin parts or other parts).
• Carry the package by two or more persons, and do not bundle it with plastic band at positions other than specified.
• To install vibration isolation material to hanging bolts, confirm that it does not increase the unit vibration.
 External dimensions
CAUTION
The hanging bolt pitch on horizontal direction (B) is not halved at centre with the ceiling opening size.
Check the relational the position in the following figure.
20
Power connecting port
Drain pipe connecting port
(VP25)
150
225 100
Refrigerant pipe connecting
port (Liquid side Ø6.4)
Refrigerant pipe connecting port
(Gas side Ø9.5)
Panel mounting
hole 5 positions
17-EN
Panel external dimension
1050
Ceiling open dimension
20
1010
890
395 455
Center of panel
50 (B)
850
110
Hanging bolt 4-M10
Arranged at site
(B)
850
Support
metal
Ceiling panel (Sold separately)
Ceiling bottom surface
Discharge louver Discharge port
1050
Air suction grille
Installation Manual
SMMS 1-Way Cassette YH Type
– 9 –
 Installation of hanging bolt
• Consider the piping / wiring after the unit is hung to
determine 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, control wires, and remote controller
wires to their connection locations before hanging
the indoor unit.
Procure hanging bolts washer and nuts for installing
(Unit: mm)
the indoor unit (these are not supplied).
Hanging bolt
Nut
Washer
Using the installation pattern (Accessory)
The installation pattern is attached inside of the
package cap.
<For existing ceiling>
Use the installation pattern for positioning of the ceiling
opening hole and the hanging bolt.
<For new ceiling>
Use the installation pattern for positioning of the
opening hole when setting up a new ceiling.
• Install the indoor unit after installation of the hanging
bolts.
• Attach the installation pattern to the indoor unit with
the attached installation pattern fixing screws (M5 ×
20L: 4 pieces). (Screwing to installation brackets of
the ceiling panel)
• Open a hole along the outside dimension of the
installation pattern of frame a ceiling.
400
Ceiling panel fixing screw (Use the attached screws.)
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.
Install the bolts with insert brackets or anchor bolts.
(Blade type
bracket)
Use existing angles or install new support angles.
M10 or W3/8 4 pieces
M10 or W3/8 12 pieces
M10 8 pieces
Use a hole-in anchors, hole-in plugs, or a hole-in bolts.
Pattern sheet
Installation Manual
New concrete slab
Rubber
Anchor bolt
(Slide type
(Pipe hanging
bracket)
anchor bolt)
Steel flame structure
Hanging bolt
Support angle
Hanging bolt
Existing concrete slab
18-EN