Installation Space Requirements - Mitsubishi Electric QAHV Série Manuel D'installation & D'instructions

[2] Installation Space Requirements

Provide sufficient space around the unit for effective operation, efficient air movement, and ease of access for
maintenance.
<1> Single unit installation
(1) When all walls are within their height limits*.
L3
L3
L1
When the distance behind the unit (L2) 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
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
≤ 500 (19-11/16)
L2
L1 (Front)
500 (19-11/16)
When the wall at the rear exceeds
its height limit
≤ 500 (19-11/16)
L3
L3
L2
L1 (Front)
500 + h1
(19-11/16 + h1)
* Height limit
Front/Right/Left Same height or lower than the overall height of the unit
Rear 500 mm (19-11/16 in) or lower from the unit bottom
Required minimum distance [mm (in)]
L2 (Rear)
300 (11-13/16)
h2
500 (19-11/16)
L2
L1
Required minimum distance [mm (in)]
L2 (Rear) L3 (Right/Left)
300 + h2 50 + h3
(11-13/16 + h2) (2 + h3)
GB-9
L3 (Right/Left)
50 (2)
When all walls exceed their height
limits
h3
h2
h1
500 (19-11/16)
L3
L2
L3
L1
[Unit: mm (in)]