Heat-glo-fireplace LUX60 Manuel d'utilisateur télécharger pdf (Page 23)

Heat & Glo • LUX60 • 4062-116 • Rev. G • 4/11 23

C. Construct the Appliance Chase

A chase is a vertical box-like structure built to enclose the

gas appliance and/or its vent system. In cooler climates

the vent should enclosed inside the chase.

NOTICE:

Treatment of ceiling ﬁ restops and wall shield

ﬁ restops and construction of the chase may vary with the

type of building. These instructions are not substitutes for the

requirements of local building codes. Therefore, you MUST

check local building codes to determine the requirements

to these steps.

Chases should be constructed in the manner of all outside

walls of the home to prevent cold air drafting problems.

The chase should not break the outside building envelope

in any manner.

Walls, ceiling, base plate and cantilever ﬂ oor of the chase

should be insulated. Vapor and air inﬁ ltration barriers

should be installed in the chase as per regional codes for

the rest of the home. Additionally, in regions where cold

air inﬁ ltration may be an issue, the inside surfaces may be

sheetrocked and taped for maximum air tightness.

D. Clearances

NOTICE: Install appliance on hard metal or wood surfaces

extending full width and depth. DO NOT install directly on

carpeting, vinyl, tile or any combustible material other than

wood.

WARNING! Risk of Fire! Maintain speciﬁ ed air space

clearances to appliance and vent pipe:

• Insulation and other materials must be secured to

prevent accidental contact.

• The chase must be properly blocked to prevent blown

insulation or other combustibles from entering and

making contact with ﬁ replace or chimney.

• Failure to maintain airspace may cause overheating and

a ﬁ re.

• Refer to Figure 5.3.

To further prevent drafts, the wall shield and ceiling ﬁ re-

stops should be caulked with caulk with a minimum of

300ºF continuous exposure rating to seal gaps. Gas line

holes and other openings should be caulked with caulk

with a minimum of 300ºF continuous exposure rating or

stuffed with unfaced insulation. If the appliance is being in-

stalled on a cement slab, a layer of plywood may be placed

underneath to prevent conducting cold up into the room.

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Heat-glo-fireplace LUX60 Manuel d'utilisateur Page 23

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