Outdoor Unit Clearances; Single Units; Multiple Units - Lennox MCA Series Service Manual

8.5.

Outdoor Unit Clearances

8.5.1.

Single Units

12
(305)
8.5.2.

Multiple Units

CLEARANCE NOTES FOR MULTIPLE UNITS:
If the height of the wall (C) is less than or equal to the height of the smallest unit (A), the distance from the unit to the wall (B) must be a minimum of 10 inches
(254 mm).
If 1/2 the height of the unit (A) is less than the height of the wall (C), the distance from the unit to the wall (B) must be a minimum of 12 inches (305 mm).
If the height of the wall (C) is greater than the height of the unit (A), the distance from the unit to the wall (B) must be a minimum of 20 inches (508 mm).
24 (610)
Figure 20. Single Outdoor Unit Clearances - Inches (mm)
Unit
Height (A)
Figure 21. Multiple Outdoor Unit Clearances - Inches (mm)
24
(610)
79
(2007)
Air Outlet
Minimum rear clearance can be 6 inches (152 mm) when mounted on brackets
1
and with no obstructions on the other three sides.
21
Air Inlet
1
12
(305)
Height of
Wall (C)
NOTE: It is recommended that the single clearance
be followed in a multi-unit applications. If not then
these are the maximum and minimum clearances
you are allowed.