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Minimum dimensions are as follows, except for Max., meaning Maximum dimensions, indicated.
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1 Obstacles at rear only (Fig. 2-6)
2 Obstacles at rear and above only (Fig. 2-7)
3 Obstacles at rear and sides only (Fig. 2-8)
* 350 mm, 13-25/32 inch for A12, A18
4 Obstacles at front only (Fig. 2-9)
* When using an optional air outlet guide, the clearance for A42 models is 500 mm,
19-11/16 inch or more.
5 Obstacles at front and rear only (Fig. 2-10)
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* When using an optional air outlet guide, the clearance for A42 models is 500 mm,
19-11/16 inch or more.
6 Obstacles at rear, sides, and above only (Fig. 2-11)
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* 350 mm, 13-25/32 inch for A12, A18
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Leave 350 mm, 13-25/32 inch for A18 and 10 mm, 13/32 inch for A24-A42 space or
more between the units.
1 Obstacles at rear only (Fig. 2-12)
2 Obstacles at rear and above only (Fig. 2-13)
B
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3 Obstacles at front only (Fig. 2-14)
* When using an optional air outlet guide, the clearance for A42 models is 1000 mm,
39-3/8 inch or more.
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4 Obstacles at front and rear only (Fig. 2-15)
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* When using an optional air outlet guide, the clearance for A42 models is 1000 mm,
39-3/8 inch or more.
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When installing the outdoor unit on a rooftop or other location unprotected from the
wind, situate the air outlet of the unit so that it is not directly exposed to strong winds.
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may result.
The following shows three examples of precautions against strong winds.
1 Face the air outlet towards the nearest available wall about 50 cm, 19-11/16 inch
away from the wall. (Fig. 2-3)
2 Install an optional air outlet guide and air guide if the unit is installed in a location
where strong winds from a typhoon, etc. may directly enter the air outlet. (Fig. 2-4)
A Air outlet guide
3 Position the unit so that the air outlet blows perpendicularly to the seasonal wind
direction, if possible. (Fig. 2-5)
B Wind direction
5 Single parallel unit arrangement (Fig. 2-16)
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(1000) mm, 19-11/16 (39-3/8) inch or more.
6 Multiple parallel unit arrangement (Fig. 2-17)
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(1500) mm, 39-3/8 (59-1/16) inch or more.
7 Stacked unit arrangement (Fig. 2-18)
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shown.
3. Installing the outdoor unit
(inch)
A
Max. 23/32 for A12, A18
Max. 1-3/16 for A24-A42
C
E
D
M10(3/8”) bolt
Base
As long as possible.
Vent
Set deep in the ground.
(inch)
A24-A42
19-11/16 Min. 25-19/32 19-11/16
5-29/32
5-29/32
31-1/2
Min. 14-3/16
23-5/8
13
14-9/16
1-9/32 11-13/16
13
Min. 13-25/32
23-5/8
Min. 13/32
6-7/8
6-7/8
37-13/32
Fig. 3-1
M10 (3/8")
120 mm, 4-23/32 inch
70 mm, 2-3/4 inch
320 kg,
g 264 lbs
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bottom surface of the base.
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Installing the outdoor unit
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attach wires, etc., if necessary to install the unit. Use self-tapping screws (ø5 × 15
mm, ø13/16 × 19/32 inch or less) and install on site.
A24-A42
D
A12, A18
4
Foundation bolt
Thickness of concrete
Length
g of bolt
Weight-bearing
g
g capacity
p
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1-3/32
A
B
C
D
E
B
A12, A18
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peration. (Fig. 3-1)
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Warning:
If the unit is mounted on an unstable structure, it may fall down and cause
damage or injuries.
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the risk of damage from earthquakes, typhoons, or strong winds. An incorrectly installed unit may fall down and cause damage or injuries.