17
General Installation Guidelines
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GENERAL INSTALLATION GUIDELINES
Required Outdoor Unit Clearances
Mega, Standard Efficiency, and Mega 115V Outdoor Unit Service Access and Allowable Clearances
Specific clearance requirements in the diagram below are for all outdoor units. The figure below shows the overall minimum clearances that
must be observed for safe operation and adequate airflow around the outdoor unit.
When placing the outdoor unit under an overhang, awning, sunroof or other “roof-like structure”, observe the clearance requirements (as
shown in Cases 1 and 2) for height in relation to the unit. To have successful service access to the outdoor unit, see the figure below for
minimum spacing. When installing multiple outdoor units, see Cases 4 and 5 for correct spacing requirements.
Figure 4:
Single Zone Mega, Standard Efficiency, and Mega 115V Outdoor Unit Service Access and Allowable Clearances Diagram.
Unit: Inch
A
B
C
D
E
F
G
Case 1
Standard
12
24
-
12
-
-
-
Minimum
4
10
-
4
-
-
40
Case 2
Standard
-
-
20
-
-
-
-
Minimum
-
-
14
-
-
-
40
Case 3
Standard
-
-
20
12
-
-
-
Minimum
-
-
14
4
-
-
-
Case 4
Standard
-
-
-
12
24
-
-
Minimum
-
-
-
4
8
79
-
Case 5
Standard
-
24
-
12
-
-
-
Minimum
-
10
-
4
-
-
-
Table 7:
Single Zone Mega, Standard Efficiency, and Mega 115V Outdoor Unit Service Access and Allowable Clearances Diagram Legend.
Do not place the unit where animals
and/or plants will be in the path of the
warm air, or where the warm air and/or
noise will disturb neighbors.
If the outdoor unit is installed between standard and minimum clearances, capacity decreases approximately 10%.
Minimum Allowable Clearance and Service Access Requirements
Proper clearance for the outdoor unit coil is critical for proper operation. When installing the outdoor unit, consider service, inlet and outlet,
and minimum allowable space requirements as illustrated in the diagrams below.
• Include enough space for airflow and for service access. If installing multiple outdoor units,
avoid placing the units where the discharge
of one unit will blow into the inlet side of an adjacent unit.
• If an awning is built over the unit to prevent direct sunlight or rain exposure, make sure that the discharge air of the outdoor unit isn’t restricted.
•
No obstacles to air circulation around the unit; keep proper distances from ceilings, fences, floor, walls, etc. (Install a fence to prevent
pests from damaging the unit or unauthorized individuals from accessing it.)
A
B
D
G
C
G
C
D
E
D
D
B
B
F
1/16 inch
20 inches or less
Case 1
Case 4
Case 2
Case 3
Case 5
20 inches or less
