Firebox installation – Desa (V)368ST User Manual

Page 4

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55511E

4

FireBox inSTALLATion

Figure 2 - Common Location of Fireplace

MINIMUM CLEARANCE TO

COMBUSTIBLES

Back and sides of firebox

1" min.

Adjacent wall

12" min.

Chimney outer pipe surfaces 2" min.
Bottom of firebox to floor

0" min.

WARNING: Do not block

required air spaces with insu-

lation or any other material.

Do not obstruct effective open-

ing* of firebox with any type of

facing material. Combustible

material must not be in contact

with black front face of firebox.

*

(The effective opening is considered

the opening where actual heat output

may occur.)

MANTEL CLEARANCES

Woodwork such as wood trims, mantels or

any other combustible material projecting from

the front face must not be placed within 9" of

firebox effective opening.
Combustible materials above and projecting

more than 1

1

/

2

" from the firebox front face

(see Figure 4, page 5) must not be placed less

than 12" from effective opening of the firebox

(NFPA STD 211, Sec. 7-3.3.3).
Mantels or any other combustible material

may also come up to the side edge of the

black metal face of the firebox only if the

projection from the front face falls within limits

shown in Figure 5, page 5.

Spacers on Sides of
Fireplace Provide
Required 1" (2.5cm)
Clearance

2" (5cm) Min. Clearance
From Pipe to
Combustibles

3" (7.6cm)

12" (30.4cm) Min. From Perpendicular
Side Wall to Fireplace Opening (Typ.)

Figure 3 - Firebox Clearances

Existing Wall

Projected Wall

12" (30.4 cm) to

Perpendicular Wall

SELECTING LOCATION

To determine the safest and most efficient

location for the firebox, you must take into

consideration the following guidelines:
1. The location must allow for proper clear-

ances.

2. Consider a location where the heat output

will not be affected by drafts, air condition-

ing ducts, windows or doors.

3. A location that avoids the cutting of

joists or roof rafters will make installation

easier.

4. If an outside air kit is to be installed, ac-

cessibility to outside combustion air must

be considered. This can also be achieved

through a vented crawl space in some

cases (see Optional Outside Air Kit on

page 6).

5. Do not connect this firebox to a chimney

system other than a DESA Heating, LLC

chimney system.

6. Install in an area providing ventilation and

adequate combustion air.

7. Due to high temperatures, do not locate

this firebox in high traffic areas or near

furniture or draperies.

8. Provide adequate clearances around

air openings into combustion chamber.

NEVER obstruct front opening of firebox

or flow of combustion and ventilation air.

9. Do not locate in or near an area where

gasoline or other flammable liquids may

be stored. The firebox area must be kept

clear and free from these combustible

materials.

The typical installation for this fireplace is a

projected installation which allows you to ex-

tend the fireplace any distance into the room.

A projection may be ideal for a new addition

on an existing, finished wall.

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