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Indoor unit installation
It is recommended to install theY-joint before installing the indoor unit.
1. Place the pattern sheet on the ceiling at the spot where you want to install
the indoor unit.
• Since the diagram is made of paper, it may shrink or stretch slightly
due to temperature or humidity. For this reason, before drilling the
NOTE
holes, maintain the correct dimensions between the markings.
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.
• Ensure that the ceiling is strong enough to support the weight of
the indoor unit. Before hanging the unit, test the strength of each
CAUTION
attached suspension bolt.
• If the length of suspension bolt is more than 4.92ft(1.5m), it is
required to prevent vibration.
• If this is not possible, create an opening on the false ceiling in order
to be able to use it to perform the required operations on the indoor
unit.
4. Screw eight nuts to the suspension bolts making space for hanging the
indoor unit.
• You must install the suspension bolts more than four when
installing the indoor unit.
CAUTION
5. Hang the indoor unit to the suspension bolts between two nuts.
• Piping must be laid and connected inside the ceiling when
suspending the unit. If the ceiling is already constructed, lay the
NOTE
piping into position for connection to the unit before placing the
unit inside the ceiling.
6. Screw the nuts to suspend the unit.
7. Adjust level of the unit by using measurement plate for all 4 sides.
• For proper drainage of condensate, give a 1° slant to the left or
right side of the unit which will be connected with the drain hose,
NOTE
as shown in the figure. Make a tilt when you wish to install the drain
pump, too.
Big Duct_IBIM_E_33766-3.indd 19
Concrete
Hole in anchor
Hole in plug
Suspension bolt( 3/8" or M10)
Ceiling support
Rubber
1°
Drain hose port
2012-01-13 오후 9:40:27
Insert
19
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