SMMS Concealed Duct High Static Pressure Type
Installation Manual
EN
SMMS Concealed Duct High Static Pressure Type
Installation Manual
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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)
Model MMD-
A
B
AP018 to AP036
800
850
AP048
1060
1200
A
660
105
60
11 0
30
35
40
90
380
Refrigerant pipe connecting
port (liquid side)
B
(
si
ze o
f mai
n uni
t)
4-M10 hanging bolt
700 (bolt pitch)
Drain pipe connecting port
Refrigerant pipe connecting
port (gas side)
660
(size of main unit)
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.
• Use level gauge 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 inlet and air outlet sides are
within 5 mm with each other.
Set the drain pipe connecting port
side within 5 mm lower than
opposite side.
Front view
Side view
0 t
o
5 mm
± 5 mm
11-EN
12-EN
+00EH99879501_01EN.book Page 6 Monday, March 14, 2011 10:06 PM