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SMMS Compact 4-way Cassette
External view
595 to 660 Ceiling open dimension
1000 or more
Obstacle
1000 or more
Space required for
installation and servicing
142
64
Knockout for fresh
air intake Ø100
700 Panel external dimension
145.5
Bottom face
595 to 660 Ceiling open dimension
93
of ceiling
525 Hanging bolt pitch
105
70
Ø162
Electrical control box
For branch duct knockout
square hole Ø150
575 Unit external dimension
Bottom face of ceiling
13-EN
Installation Manual
Check port
(Ø450)
200
Check port
(Ø450)
Check port
(Ø450)
368.5
268
220.5
Drain discharge port
145.5
Hanging bolt
134
M10 or W3/8
63
local arrange
Ø162
Refrigerant pipe
320.5
(Liquid) Ø6.4
55
For branch duct
70
105
93
knockout square
139.5
hole Ø150
190.5
Refrigerant pipe (Gas)
AP015, AP018 type: Ø12.7
AP007 to AP012 type: Ø9.5
SMMS Compact 4-way Cassette
– 7 –
Opening a ceiling and
Unit: mm
installation of hanging bolts
• 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, 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, control wires, and remote control
wires to their connection locations before hanging
the indoor unit.
Procure hanging bolts and nuts for installing the indoor
unit (these are not supplied).
Hanging bolt
M10
Nut
M10
Using the installation pattern (accessory)
The installation pattern is provided inside the
packaging cap.
<For existing ceiling>
27
Use the installation pattern positioning a ceiling
opening and hanging bolts.
Bottom face
of ceiling
<For new ceiling>
Ceiling
Use the installation pattern to position the ceiling
panel
opening when a ceiling is hanged.
• After the hanging bolts have been installed, install
the indoor unit.
• To use the supplied pattern attach it to the indoor unit
using the supplied fixing screws 5 mm × 16 mm 4
pcs. (Screw pattern to the ceiling panel hanging
brackets of the indoor unit)
• Before hanging a ceiling, open the ceiling along the
outside dimensions of the installation pattern.
Indoor unit
Wiring
connection
port
Installation pattern
(Attached)
5 mm × 16 mm screws (Attached)
These screws are exclusive to the installation
pattern. When installing the ceiling panel, the
other exclusive screws attached to the ceiling
panel (sold separately) are used.
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.
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.
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
4 pieces
Install the bolts with insert brackets or anchor bolts.
12 pieces
(Slide type
(Blade type
bracket)
bracket)
Steel flame structure
Use existing angles or install new support angles.
Hanging bolt
Existing concrete slab
Use a hole-in anchors, hole-in plugs, or a hole-in bolts.
Cut off the installation pattern
along slit of the main unit.
Installation Manual
Rubber
Anchor bolt
(Pipe hanging
anchor bolt)
Hanging bolt
Support angle
14-EN
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