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Cerona-42 - Fireplaces Plus
Cerona-42 - Fireplaces Plus
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B. Constructing the Appliance Chase<br />
A chase is a vertical boxlike structure built to enclose the<br />
gas appliance and/or its vent system. Vertical vents that<br />
run on the outside of a building may be, but are not required<br />
to be, installed inside a chase.<br />
Construction of the chase may vary with the type of building.<br />
These instructions are not substitutes for the requirements<br />
of local building codes. Local building codes MUST<br />
be checked.<br />
Chases should be constructed in the manner of all outside<br />
walls of the home to prevent cold air drafting problems.<br />
The chase should not break the outside building<br />
envelope in any manner.<br />
Walls, ceiling, base plate and cantilever fl oor of the chase<br />
should be insulated. Vapor and air infi ltration barriers<br />
should be installed in the chase as per regional codes for<br />
the rest of the home. Additionally, in regions where cold<br />
air infi ltration may be an issue, the inside surfaces may be<br />
sheetrocked and taped for maximum air tightness.<br />
To further prevent drafts, the wall shield and ceiling<br />
fi restops should be caulked with high temperature caulk<br />
to seal gaps. Gas line holes and other openings should<br />
be caulked with high temp caulk or stuffed with unfaced<br />
insulation. If the appliance is being installed on a cement<br />
slab, a layer of plywood may be placed underneath to prevent<br />
conducting cold up into the room.<br />
C. Clearances<br />
WARNING<br />
Fire Risk.<br />
Odor Risk.<br />
• Install appliance on hard metal or wood surfaces<br />
extending full width and depth of appliance.<br />
• Do NOT install appliance directly on carpeting,<br />
vinyl, tile or any combustible material other than<br />
wood.<br />
WARNING<br />
Fire Risk.<br />
• Construct chase to all clearance specifications<br />
in manual.<br />
• Locate and install appliance to all clearance<br />
specifi cations in manual.<br />
A<br />
E<br />
B<br />
F<br />
C<br />
D<br />
G<br />
J<br />
H<br />
I<br />
CLEARANCES TO COMBUSTIBLES:<br />
A B C D E F G H I J<br />
Cerona-36<br />
Cerona-42<br />
Rough<br />
Opening<br />
(Vent Pipe)<br />
Rough<br />
Opening<br />
(Height)<br />
Rough<br />
Opening<br />
(Depth)<br />
Rough<br />
Opening<br />
(Width)<br />
Clearance to<br />
Ceiling from Top<br />
of Arch Opening<br />
Combustible<br />
Floor<br />
Combustible<br />
Flooring<br />
Behind<br />
Appliance<br />
Sides of<br />
Appliance<br />
Front of<br />
Appliance<br />
in 10 50-1/2 22-1/4 42-1/8 49 0 8 1/2 1/2 36<br />
mm 254 1283 565 1070 1245 0 203 13 13 914<br />
in 10 54-1/2 22-1/4 49-1/8 45-1/4 0 8 1/2 1/2 36<br />
mm 254 1384 565 1248 1149 0 203 13 13 914<br />
Figure 3.2 Clearances to Combustibles<br />
8<br />
Heat & Glo • Cerona-36, Cerona-42 • 2106-900 Rev. G • 09/08
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