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1
A
2
F
3
G
4
5
J, K
6
C
D
B
E
H
G
I
N
M
L
7
3. Outdoor unit installation location
E
3.2. Ventilation and service space
When installing a single outdoor unit
1 Service space
Maintain an easily accessible service space in front of the unit as shown
in the diagram.
A 10 mm or more
B 500 mm or more
C 500 mm or more
D Service space
2 Top obstacles
If there are no obstacles in front or at the left or right of the unit, obstacles
above the unit are permitted as shown in the diagram.
E 100 mm or more
F 500 mm or more
•
The front, right and left sides must be free of obstacles.
3 Unobstructed front (blowing side)
If the size of the space reserved for the unit is as shown in the diagram,
the unit can be installed so that obstacles are at the right, left and rear.
G 10 mm or more
H 200 mm or more
•
The front and top must be unobstructed.
•
The height of obstacles on either side must be the same or lower than
that of the outdoor unit.
3.2. Ventilation and service space
4 Obstacles in the front (blowing side) only
If there are obstacles in front of the unit, keep the back, left/right, & top
unobstructed.
I Min. 500 mm
5 Obstacles at the front & rear only
The outdoor unit cannot be used except if the following conditions are
met:
An optional outdoor air outlet guide (left/right & top unobstructed) must be
fitted.
Moreover, if there is no natural wind flowing between the obstacles, keep
the height or width of the obstacles within the following range to prevent
the risk of short cycling. (If either the front or rear satisfies the require-
ments, there is no special restriction on the remaining side).
J Obstruction width: 1.5 times the width of outdoor unit or smaller
K Obstruction height: Unit height or lower
L Air outlet guide
M Min. 500 mm
N Min. 100 mm
6 Obstacles on 4 surrounding sides
The unit cannot be used if there are obstacles on all 4 surrounding sides,
even if there is more than the prescribed amount of space around the
Q
outdoor unit and if the top is unobstructed.
7 Obstacles at the front & rear
This unit cannot be used if the following conditions are met:
P
P Max. 3000 mm
Q Max. 100 mm
9
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