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INDOOR UNIT INSTALLATION
•
Pay attention to the following points when the indoor unit
is installed in a hospital or other facilities where there are
electronic waves from medical equipment, etc.
a. Do not install the indoor unit where the electromagnetic
wave is directly radiated to the electrical box, remote
control cable or remote control switch.
b. Install the indoor unit and components as far as practical or
at least 3 meters from the electromagnetic wave radiator.
12.3 INSTALLATION
12.3.1 Position of suspension bolts
1 Determine the final location and installation direction of
indoor unit with care to the space for piping and wiring.
2 After the position of indoor unit is determined, make holes in
the ceiling to install the suspension bolts.
3 The position of suspension bolts is shown below.
Upper surface
(): Dimension for suspension bolt
HP
(1.5-2)
(2.5-3)
(4-6)
4 Ceiling Work: It is different depending on the building
structure. Consult with an architect or an interior finish
worker for more information. Do not install electric light units
and the indoor unit to the same furring for ceiling. If installed,
electric lights may flicker or vibrate by the indoor unit
operation. When installing the indoor unit and electric lights,
a furring for ceiling must be separated for each.
15
PMML0551 rev.4 - 07/2023 - A10762310A
A
B
960
916
1270
1226
1580
1536
c. Prepare a steel box and install the remote control switch
in it. Prepare a steel conduit tube and wire the remote
control cable in it. Then, connect the ground wire with the
box and the tube.
d. Install a noise filter when the power supply emits harmful
noises.
12.3.2 Installation of suspension bolts
1 The structure of suspending part shall be strong enough. The
ductor facilitates suspending work.
2 Strengthen suspension bolts with support plates for the
earthquake resistant depending on the needs of the
quakeproof. Apply M10 of suspension bolts and support
plates for the earthquake resistant. (Field-Supplied).
For steel beam
I Beam
Suspension bolt
(W3/8 or M10)
?
N O T E
To hang the indoor unit, a strong square lumber shall be utilized.
•
Span < 90cm: square Lumber larger than 6cm.
•
Span < 180cm: square Lumber larger than 9cm.
For concrete slab
150 to 160mm
Steel
Insert
(100 to 150kg)
Concrete
Anchor bolt
(W3/8 or M10)
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