Minimum Clearances
Clearance to combustible materials is 0" at the side, top, and front of plenum, if accessibility clearances are
greater than clearances to combustibles, accessibility clearances take precedence.
The front of the unit must be accessible for service, if the unit is enclosed, providing a door or access panel
opposite the front of the unit is the preferred method of providing access. The door or access panel must be
at least 30" wide (centered on the unit) and as tall as the unit.
Top View Side View
Mir Min.
Front of Unit*
Minimum clearance to combustibles for
the front of the unit is 1". Added clear-
ance must be provided for the gas
supply line and drain trap installation.
Wall Sleeve
(one each side)/.
Exterior Wall
Plenum
Interior Wall
[
iO
Z::I..........................................................................
ii
ii
ii
ii
ii
ii
ii
Front of Unit
Clearances*
Mounting Strap
(one each side)
Plywood Riser
Sill Plate i .... !' iiii_
...... _, ,, _ L_ 'I / F
i / 4 Min.
Platform (fieldsupplied) - Must be levelwith silt plate of hole in exterior wall
IMPORTANT
The unit must be installed with approved wall sleeve and grille accessories for safe operation.
Improper installations could result in property damage, personal injury, or death.
# 46977A006 Figure 1 Page 3
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