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7. Installation location
Do not install the unit where combustible gas may leak.
- If combustible gas accumulates around the unit, fire or explosion may result.
・Provide sufficient space around the unit for effective operation, efficient air movement, and ease of access for
maintenance.
・Note that refrigerant gas is heavier than air and will therefore tend to collect in low spots such as basements.
・When an indoor unit that draws in outside air exits near the outdoor unit, be careful not to affect the normal
operation of the indoor unit.
・When the amount of drain water is excessive, drain water comes out of the outdoor unit along the panel during
heating operation. Provide sufficient space around the unit according to the instructions below.
・Installing the outdoor unit in an indoor space with small air intake windows may result in insufficient air flow. Install
the unit where sufficient air flow is available. When installing the unit outdoors, also ensure that sufficient air flow is
maintained.
7-1. Single unit installation
(1) When all walls are within their height limits*.
L3
L1
When the distance behind the unit (L2) needs to be small
When the distance to the right or left (L3) needs to be small
(2) When one or more walls exceed their height limits*.
When the wall(s) at the front and/
or the right/left exceed(s) their
height limits
h3
h1
L3
L1
Add the dimension that exceeds the height limit (shown as "h1" through "h3" in the figures) to L1, L2, and L3 as
shown in the table below.
When the distance behind the unit (L2) needs to be small
When the distance to the right or left (L3) needs to be small
WT09973X01
L2
When the wall at the rear exceeds
its height limit
h2
L2
* Height limit
Front/Right/Left/Rear Same height or lower than the overall height of the unit
Required minimum distance [mm (in)]
L1 (Front)
450 (17-3/4)
450 (17-3/4)
h2
L2
L3
L1
Required minimum distance [mm (in)]
L1 (Front)
450 (17-3/4) + h1
450 (17-3/4) + h1
14
L2 (Rear)
L3 (Right/Left)
100 (3-15/16)
50 (2)
300 (11-13/16)
15 (5/8)
When all walls exceed their height
limits
h3
h1
L3
L3
L1
L2 (Rear)
L3 (Right/Left)
100 (3-15/16) + h2
50 (2) + h3
300 (11-13/16) + h2
15 (5/8) + h3
[mm (in)]
h2
L2
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