Frame The Fireplace - Heatilator I60 Installation Manual

F. Frame the Fireplace
NOTICE: Hearth extension design must be determined
before installation of fireplace.
If the fireplace is placed on the floor the maximum height
of a finished raised hearth is 7-5/8 in., if you want a
higher raised hearth the fireplace must be placed on a
platform.
Figure 3.12 shows a typical framing (using 2 x 4 lumber)
of the fireplace, assuming combustible materials are
used. All required clearances to combustibles around the
fireplace must be adhered to. See Figure 3.2. Any fram-
ing across the top of the fireplace must be above the level
of the top standoffs. (No recess above standoffs.)
The finished cavity depth must be no less than:
• I60 - 28 in. (711 mm) from the finished backwall to the
outside of front wall framing.
• I80 - 28 1/2 in. (724 mm) from the finished backwall to
the outside of front wall framing.
Framing must extend straight up all the way to the ceiling.
DO NOT install header until the fireplace is in position.
2 in. (51 mm)
min. air space
clearance
from chimney.
Header will sit on
top of front stand
offs after fireplace
is installed.
B
Figure 3.12 Framing the Fireplace
Framing must be extended
straight up, all the way to the
ceiling.
A
* If interior of chase will be drywalled, add the thickness to
this measurement.
Heatilator • I60/I80 • 4013-260 Installers Manual • Rev G • 10/07/13
WARNING! Risk of Fire!
ances specified.
• I60 - A minimum 1 in. (25 mm) air clearance must
be maintained at the back and sides of the fireplace
assembly.
• I80 - A minimum 1 1/2 in. (38 mm) air clearance must
be maintained at the back and sides of the fireplace
assembly.
• Chimney sections at any level require a 2 in. (51 mm)
minimum air space clearance between the framing and
chimney section.
WARNING! Risk of Fire!
minimum air space clearances to combustibles. DO NOT
pack required air spaces with insulation or other materi-
als.
CAUTION!
and safety glasses during installation. Sheet metal edges
are sharp.
WARNING! Risk of Fire!
loose insulation.
• DO NOT install against vapor barriers or exposed
insulation.
• Secure insulation and vapor barriers.
• Provide minimum air space clearances at the sides and
back of the fireplace assembly.
Header MUST NOT be notched!
C = extra space needed for outside air connection.
If outside air duct has no bend, this dimension may be
reduced as long as minimum clearances are met.
C
Model A
in. 45 1/2
I60
mm 1156
in.
51 1/2
I80
mm 1308
Comply with all minimum clear-
You must comply with all
Risk of Cuts/Abrasions. Wear protective gloves
Prevent contact with sagging,
Fireplace must be set out
1/2 in. (13 mm) in front of
1/2 in.
the face of the framing
(13 mm)
material.
C
(4" duct)
B*
28 8
711 203
28 1/2 8
724 203
13