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(mm)
Min. 300
Min. 10
Min. 600 to 900
Front Side
(1) Provide a open space above the unit.
(2) Keep a wall height as shown below.
Front Side: Max. 1,500mm
Rear Side: Max. 500mm
Right and Left Side: No Limit
(3) If the wall height exceeds the above value,
add a h
/2 or h
1
2
space of the front or rear side.
(4) The maximum outdoor unit quantity should
be 2 in one block.
h2
Max. 1500
4.3
Foundation
• Concrete Foundations
(1) The height of the foundation should be
100 to 300mm higher than the ground
level.
(2) Install a drainage around foundation for
smooth drain.
more than
100
5
90
17
Outdoor
Unit
Vibration
Anchor Bolt
Proof Mat
Drainage
Drainage
(Width 100 x Depth 20)
more than 100
Mortar Hole
Details of P
Correct
Foundation
Fig. 4.2 Foundations
Min. 20
/2 dimension to the service
(mm)
Wall Height: No Limit
h1
500
Min. 300+h1/2
Min. (600 to 900)+h2/2
P
(760)
17
(614)
100 x Depth 20
90
794
Incorrect
Foundation
(3) Install the outdoor unit in the front-rear and
right-left direction horizontally.
Check to ensure that the gradient in four
directions (front, rear, right and left) is
within 10mm.
Min. 10
Right Side
and Left Side
(4) Provide a strong and correct foundation so
that;
a. The outdoor unit is not on an incline.
b. Abnormal sound does not occur.
c. The outdoor unit will not fall down due to
a strong wind or earthquake.
(5) When installing the outdoor unit, fix the unit
by anchor bolts. Refer to Fig. 4.3
regarding the location of fixing holes.
782
782
Fig. 4.3 Position of Anchor Bolts
4.4
Installation Work
(1) Secure the outdoor unit with the anchor
bolts.
17
90
(2) When installing the unit on a roof or a
veranda, drain water sometimes turns to
ice on a cold morning. Therefore, avoid
draining into an area where people often
use because it is slippery.
(3) When drain piping is necessary for the
outdoor unit, use the drain kit (DBS-26).
Front Side
and Rear Side
Unit: mm
10-38x16
782
782
Hole of Anchor Bolt
Nut
Washer
Anchor Bolt
M12
Concrete
Filled Mortar
5
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