En-4
3.3.1 When install nearby limited height wall
(1) Single and multiple installations
• There are no restrictions on the height of the side wall.
• Provide installation spaces L1 and L2 in accordance with the table below according to the
wall height (front side, rear side) conditions.
• Provide installation spaces other
than L1 and L2 in accordance with
the conditions shown in the figure
below.
• Ventilation resistance can be
ignorable when the distance from
a wall or product, etc. is larger
than 2 m.
Wall height condi-
tion [mm]
Necessary
installation
space [mm]
When H1 is 1,500 or less L1 ≥ 500
When H1 is 1,500 or more L1 ≥ 500 + h1 ÷ 2
When H2 is 500 or less L2 ≥ 100
When H2 is 500 or more L2 ≥ 100 + h2 ÷ 2
Single installation
500
1,500
L1
L2
H1
h1
H2
h2
Unit: mm
10 or
more
30 or
more
Multiple installations
500
1,500
L1
L2
H1
h1
H2
h2
Unit: mm
30 or
more
20 or
more
20 or
more
20 or
more
(2) Concentrated installation
• Provide installation spaces L3,
L4, and L5 in accordance with
the table below according to
the wall height (front side, rear
side) conditions.
• Provide installation spaces
other than L3, L4, and L5 in
accordance with the conditions
shown in the figure below.
• Ventilation resistance can be
ignorable when the distance
from a wall or product, etc. is
larger than 2 m.
Wall height condition
[mm]
Necessary in-
stallation space
[mm]
When H3 is 1500 or less L3 ≥ 500
When H3 is 1500 or more L3 ≥ 500 + h3 ÷ 2
When H4 is 500 or less L4 ≥ 200
When H4 is 500 or more L4 ≥ 200 + h4 ÷ 2
When H5 is 500 or less L5 ≥ 200
When H5 is 500 or more L5 ≥ 200 + h5 ÷ 2
500
1,500
L3
L2
H3
h3
H4
h4
L5
L5
500
H5
h5
500
H5
h5
Unit: mm
20 or
more
20 or
more
800 or
more
800 or
more
1,500
1,500
1,500
L5
L5
500
1,500
L3
L2
H3
h3
H4
h4
500
H5
h5
500
H5
h5
Unit: mm
20 or
more
1,500
20 or
more
1,000
or more
500 or
more
3.3.2 When install near unlimited height wall
(1) Single and multiple installations
• There are no restrictions on the height of the wall.
• The wall (without height restrictions) must not exist on the both sides (left / right) of
outdoor unit. Also, must not exist on the both sides (front / rear) of outdoor unit.
• Provide installation spaces other than L6 in accordance with the conditions shown in the
figure below.
• Ventilation resistance can be ignorable when the distance from a wall or product, etc. is
larger than 2 m.
When installing with the
rear of the outdoor unit
facing the wall side
Condition
Necessary installa-
tion space
When B ≥ 400 (mm) L6 ≥ 200 (mm)
When 20 ≤ B < 400 (mm)
L6 ≥ 200 + (400 - B) × 3
(mm)
Single installation
Unit: mm
200 or
more
100 or
more
Multiple installations
B
B
L6
Unit: mm
200 or
more
Example :
When B is made 200 mm
L6 ≥ 200 + (400-200) × 3 = 800 mm
Unit: mm
200 or
more
200
200
800 or
more
9378945708-02_IM_L9.indb 49378945708-02_IM_L9.indb 4 2022/1/20 15:34:372022/1/20 15:34:37
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