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Step 3 Optional: Insulating the body
of the indoor unit
D
A
Thickness: more than 10mm
AJ009NBLDCH
Indoor
AJ012NBLDCH
Unit
900 X 600 X 199
A
900 X 600
B
900 X 600
C
600 X 199
D
600 X 199
Insulate the front and back side in proper size at
Front/
the same time when insulating the suction duct and
Back
discharge duct.
NOTE
• Insulate the end of the pipe and some curved area by
using separate insulator.
• Insulate the discharge and suction part at the same
time when you insulate connection duct.
Step 4 Installing the indoor unit
When deciding on the location of the air conditioner with
the owner, the following restrictions must be taken into
account
1. Place the pattern sheet on the ceiling at the spot
B
C
• Since the diagram is made of paper, it may shrink or
AJ018NBMDCH
900 X 480 X 260
2. Insert bolt anchors. Use existing ceiling supports or
900 X 480
900 X 480
480 X 260
480 X 260
Hole in anchor
Hole in plug
(Unit: mm)
3. Install the suspension bolts depending on the ceiling type.
• Ensure that the ceiling is strong enough to support the
where you want to install the indoor unit.
NOTE
stretch slightly due to temperature or humidity. For
this reason, before drilling the holes maintain the
correct dimensions between the markings.
construct a suitable support as shown in figure.
Concrete
Suspension bolt (M8) - field supply
CAUTION
weight of the indoor unit. Before hanging the unit, test
the strength of each attached suspension bolt.
Insert
Ceil ing support
27
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