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Minimum Operational Clearances
Outdoor Clearances
The following minimum outside clearance from rear grille
must be maintained:
• Rear of unit to nearest obstruction - 36”
• Side of unit to nearest obstruction - 0”
• Bottom of unit to obstruction and/or ground: This require-
ment is determined by local climate and environmental
conditions. The unit must be above ground and high
enough off of the ground to prevent snow, water, leaves or
any other obstruction from blocking rear of unit.
Indoor Clearances
The following minimum inside clearances from cabinet front
must be maintained:
• The flow of discharge air must not be obstructed for a
minimum of 12”
• Side of cabinet to nearest obstruction - 1”
• Top of unit to ceiling - 12”
• Cabinet front to nearest obstruction - 36” (12” if obstruc-
tion is removable for service of unit.)
• Bottom of cabinet front to finished floor - 0”
Minimum Clearances to Combustible Construction
Units are approved for 0” clearance to combustible construc-
tion top, sides and bottom.
Front and rear clearances not applicable as there can be no
construction combustible or non-combustible to the front or
rear of the opening.
REAR GRILLE
OUTSIDE WALL
INTERNAL ADJACENT
WALL
MINIMUM CLEARANCE TO NEAREST
OBSTRUCTION:
36 INCHES
WALL SLEEVE
MINIMUM CLEARANCE
FROM SIDE OF CABINET TO
NEAREST OBSTRUCTION:
1 INCH
TOP VIEW
Figure 2
Min. Clearances - Top View
ROOM SIDE
12 INCHES
MIN.
36 INCHES
MIN.
SIDE VIEW
OUTSIDE WALL
WALL
SLEEVE
MINIMUM CLEARANCE
BOTTOM OF UNIT TO GROUND:
DETERMINED BY LOCAL CONDITIONS
MAINTAIN 12” CLEARANCE (18”
FOR CANADA) ABOVE HIGHEST
ANTICIPATED SNOW LEVEL
FROM
Figure 3
Min. Clearances- Side View
