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1-5. Installation
(1) Indoor unit (Example; 4-way cassette type)
1) Place the pattern sheet on the ceiling at the spot where you
want to install the indoor unit.
2) Insert bolt anchors, use existing ceiling supports or construct
a suitable support as shown in figure.
3) Install the suspension bolts depending on the ceiling type.
4) Screw eight nuts to the suspension bolts making space for
hanging the indoor unit.
5) Hang the indoor unit to the suspension bolts between two nuts.
6) Screw the nuts to suspend the unit. Cut a pad stopper and
place it on the bracket at this time.
7) Adjust the unit to the appropriate position considering the
installation area for the front panel.
7-1 Place the pattern sheet on the indoor unit.
7-2 Adjust a space between the ceiling and the indoor unit by
using the gauge of dimensions.
7-3 Fix the indoor unit securely after adjusting level of the unit
by using a leveler.
7-4 Remove the pattern sheet, connect the other cables and
install the front panel.
Concrete
Suspension bolt(M8)-field supply
Hole in anchor
Hole in plug
Insert
Ceiling support
20mm
Indoor Unit
Ceiling
Gauge of
Dimensions
17mm
Pad stopper
Bracket
◆ Ensure that the ceiling is strong enough to support
the weight of the indoor unit. Before hanging the unit,
test the strength of each attached suspension bolt.
◆ If the length of suspension bolt is more than 1.5m,
it is required to prevent vibration.
IMPORTANT
You must install the suspension bolts more than four
when installing the indoor unit.
IMPORTANT
◆
Piping must be laid and connected inside the ceiling when
suspending the unit. If the ceiling is already constructed,
lay the piping into position for connection to the unit before
placing the unit inside the ceiling.
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◆
For installation of another indoor unit, refer to an
appropriate installation manual.
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◆ Since the diagram is made of paper, it may shrink or stretch
slightly due to temperature or humidity. For this reason,
before drilling the holes maintain the correct dimensions
between the markings.
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DVM E-D/B(chapter5)-E<03759 3/21/02 7:40 PM Page 11