INSTALLATION

Continued

2.If the vent-free firebox is to be installed directly on carpeting, tile (other than ceramic) or any combustible material other than wood flooring; the vent-free firebox must be installed upon a metal or wood panel extending the full width and depth of the vent-free firebox.

3.If a raised platform is to be constructed, ceiling clearances must be maintained.

4.Install gas piping to firebox location. See In- stalling Gas Line on page 11 and Connecting to Gas Supply in log set owner’s manual.

IMPORTANT: If installing blower accessory. See Hard-Wiring Firebox, page 12.

5.Carefully set firebox in front of rough open- ing. IMPORTANT: If installing brass trim kit, see instructions included with brass trim accessory. You must install shoulder screws from brass trim kit now.

6.Carefully insert firebox into rough opening.

 

 

22 3/4"

 

 

Min.

Note: Gas line

Wallboard

 

Gas Line

 

may also be on

 

 

 

opposite side.

 

 

Facing

44 1/4" Min.

Wallboard

Wall

Facing Wall

(Base line) 40 1/4" Min.

36" Min. to Facing Wall

Figure 8 - Framing for Built-In Firebox

Installation

 

Combustible material must

 

Nailing Flange

not overlap more than

Edge

3/8" onto black metal

of side

 

front face.

Drywall

firebox

 

 

3/8" Max.

opening

 

 

SAFE

 

11/2" Max.

ZONE

 

 

 

Minimum from firebox

 

4"

edge to combustible

 

 

material

 

 

8" Min. from

 

 

adjacent wall

 

 

to fireplace

 

 

opening

 

Figure 9 - Framing for Built-In Firebox

Installation: Top View

7.Attach firebox to wall studs using nails or wood screws through holes in nailing flange (see Figure 10).

8.If using optional brass trim kit, install the trim after final finishing and/or painting of wall.

See instructions included with brass trim ac- cessory for attaching brass trim.

IMPORTANT: When finishing your firebox, combustible materials such as wall board, gypsum board, sheet rock, drywall, plywood, etc. may be butted up next to the sides and top of the firebox. Combustible materials should never overlap the firebox front facing.

WARNING: Do not allow any combustible materials to over- lap the firebox front facing (see Figure 9).

IMPORTANT: Noncombustible materials such as brick, tile, etc. may overlap the front facing, but should never cover any necessary openings like louvered slots.

WARNING: Never modify or cover the louvered slots on the front of the firebox.

WARNING: Use only noncom- bustiblemortaroradhesiveswhen overlapping the front facing with noncombustible facing material.

Nails or

Wood

Screws

Nailing Flanges

Figure 10 - Attaching Firebox to Wall Studs

10

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105116-01D

Page 10
Image 10
Vanguard FBST manual Framing for Built-In Firebox Installation