Hearth and Home Technologies C-40 - Manual (Page 12)

Page 12 Heatilator • Constitution EPA Fireplace • 480-1091C November 11, 2008
Figure 12.1 Framing the Fireplace
WITHIN ENCLOSURE AREA:
Appliance to backwall 1 in. (25 mm)
Appliance to sidewall 1 in. (25 mm)
Duct boots to framing 0 in. (0 mm)
Top standoffs to header 0 in. (0 mm)
Door opening to sidewall 22-7/8 in. (581 mm)
EXPOSED SURFACES
Faceplate to sidewall 16 in. (406 mm)
Heat zone air grills to ceiling 12 in. (305 mm)
MANTEL
Combustible and non-combustible mantel minimum height
from base of fireplace to underside of mantel
60 in. (1524 mm)
Maximum mantel depth 12 in. (305 mm)
C. Frame the Fireplace
NOTE: Wiring for fans must be done before framed
enclosure is completed. If using a Heat Zone kit, it also
must be installed before enclosure is complete.
The Constitution Fireplace will fit a framed opening height of
43-7/8 in. (1114 mm) tall and width of 42 in. (1067 mm). The
finished cavity depth must be no less than 24 in. (610 mm).
Framing must extend straight up all the way to the ceiling.
Figure 12.1 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 11.1, on page 11. Any fram-
ing across the top of the fireplace must be above the level of
the top standoffs. (No recess above standoffs.)
OPTIONAL FRAMING CONSTRUCTION / REDUCED
MANTEL HEIGHT:
Non-combustible mantel material minimum height from base
of fireplace to underside of mantel 46 in. (1168mm) when the
following enclosure construction materials are used:
Non-combustible framing materials must be used above fire-
place to height of 84 in. (2134mm) from base of fireplace for
all construction materials, framing members, sheeting, and
all finish materials.
CHIMNEY SECTIONS
Chimney sections at any level require a 2 in. (51 mm) mini-
mum air space clearance between the framing and chimney
section.
Fire Risk
Hearth & Home Technologies is not respon-
sible for discoloration, cracking or other mate-
rial failures of finishing materials due to heat
exposure or smoke.
• Choose finishing materials carefully.
WARNING
1. Minimum Clearances to Combustibles
Materials which will not ignite and burn. Such materials are
those consisting entirely of steel, iron, brick, tile, concrete,
slate, glass or plasters, or any combination thereof.
Materials that are reported as passing ASTM E 136, Stan-
dard Test Method for Behavior of Materials, in a Vertical
Tube Furnace at 750°C, shall be considered non-combus-
tible materials.
Materials made of or surfaced with wood, compressed paper,
plant fibers, plastics, or other materials that can ignite and
burn, whether flame proofed or not, or whether plastered or
un-plastered shall be considered combustible materials.
Non-Combustible Materials
Combustible Materials
Fire Risk
• Non-combustible mantels installed at a
reduced height may GET EXTREMELY
HOT during use of the fireplace.
• DO NOT TOUCH or place heat sensitive
combustible items on the mantel.
WARNING
12 in.
(305mm)
42 in.
(1067mm)
43-7/8 in.
(1114mm)
24 in.
(610mm)
2 in.
(51mm)
Position combustible /
non-combustible mantel
60 in. (1524mm) from
base of the fireplace