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SMMS 1-Way Cassette YH Type
Installation Manual
SMMS 1-Way Cassette YH Type
Installation Manual
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
(Unit: mm)
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
20
50
455
395
110
890
330
400
430
20
20
150
100
85
200
120
225
140
235
18
850
1050
470
400
850
470
Ceiling bottom surface
Hanging bolt 4-M10
Arranged at site
Panel mounting
hole 5 positions
Ceiling panel (Sold separately)
Support
metal
Power connecting port
Discharge louver
Discharge port
Air suction grille
Panel external dimension
1050
Ceiling open dimension
1010
P
an
el ex
te
rn
al dim
e
ns
ion
Ce
ilin
g o
p
en
di
me
ns
io
n
Drain pipe connecting port
(VP25)
Refrigerant pipe connecting
port (Liquid side Ø6.4)
Refrigerant pipe connecting port
(Gas side Ø9.5)
Center of panel
(B)
(B)
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
the indoor unit (these are not supplied).
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.
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.
Hanging bolt
M10 or W3/8
4 pieces
Nut
M10 or W3/8
12 pieces
Washer
M10
8 pieces
Ceiling panel fixing screw (Use the attached screws.)
Pattern sheet
New concrete slab
Install the bolts with insert brackets or anchor bolts.
Steel flame structure
Use existing angles or install new support angles.
Existing concrete slab
Use a hole-in anchors, hole-in plugs, or a hole-in bolts.
Rubber
Anchor bolt
(Blade type
bracket)
(Slide type
bracket)
(Pipe hanging
anchor bolt)
Hanging bolt
Hanging bolt
Support angle
17-EN
18-EN
Содержание MMU-AP0074YH1-E
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