– 7 –
SMMS Concealed Duct High Static Pressure Type
Installation Manual
SMMS Concealed Duct High Static Pressure Type
Installation Manual
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).
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 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.
• Check that four sides are horizontal with a level
gauge. (Horizontal degree: Within 5 mm)
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.
Hanging bolt
M10 or W3/8
4 pieces
Nut
M10 or W3/8
12 pieces
Washer
M10
8 pieces
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
Nut
(W3/8 or M10)
M10 flat washer
M10 flat washer
Hanging bolt
(W3/8 or M10)
Nut
(W3/8 or M10)
Set the air intake and
air discharge sides are
within 5 mm with each
other.
Water pouring
Set the drain pipe
connecting port side
within 5 mm lower than
opposite side.
Front view
Side view
Vinyl hose
± 5 m
m
0 to 5mm
Diagrams for making connecting flanges
(Unit: mm)
The connecting flange (Incl. the fixing screw) is not supplied to the indoor unit. When the connecting flange is
necessary, produce them in locally.
Drawing figure is as follows. (Material: Galvanized steel plate, thickness of 1.6 mm)
1130
1080
394
370
344
12
12
25
25
25
25
65
250
250
65
250
250
10-Ø8 hole
<Air discharge port flange>
1130
1080
430
406
380
12
12
25
25
25
25
65
250
250
65
250
250
<Air intake port connecting flange>
10-Ø8 hole
13-EN
14-EN
+00EH99879701_01EN.book Page 7 Monday, March 21, 2011 6:12 PM