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INSTALLATION
Continued
BUILT-IN FIREPLACE INSTALLATION
Built-in installation of this fireplace involves installing fireplace
into a framed-in enclosure. This makes the front of fireplace flush
with wall. If installing a mantel above the fireplace, you must follow
the clearances shown in Figure 27. Follow the instructions below to
install the fireplace in this manner.
Height
Front Width 34
Depth
1. Frame in rough opening. Use dimensions shown in Figure 24
for the rough opening. If installing in a corner, use dimensions
shown in Figure 25 for the rough opening. The height is 33"
which is the same as the wall opening above.
2. Install and properly ground GA3555, three-prong 120 volt elec-
trical outlet, in fireplace. Follow instructions included in kit (see
Accessories, pages 30 and 31).
3. If not already completed, install gas piping to fireplace loca-
tion. This installation includes an approved flexible gas line
(if allowed by local codes) after the equipment shutoff valve.
The flexible gas line must be the last item installed on the gas
piping. See Installing Gas Piping to Fireplace Location, pages
11 and 12.
4. Carefully set fireplace in front of rough opening with back of
fireplace inside wall opening.
5. Attach flexible gas line to gas supply. See Connecting Fire-
place to Gas Supply, pages 12 and 13.
6. Plug electrical cord(s) into electrical outlet installed in step 2.
7. Carefully insert fireplace into rough opening.
8. Attach fireplace to wall studs using nails or wood screws
through holes in nailing flange (see Figure 26).
9. Check all gas connections for leaks. See Checking Gas Con-
nections, pages 13.
10. Install brass trim. See Assembling and Attaching Optional
Brass Trim, page 16.
17
3
/
"
4
33"
1
35
/
"
2
Figure 24 - Rough Opening for
Installing in Wall
For more information, visit www.desatech.com
For more information, visit www.desatech.com
110112-01A
Actual
Framing
3
32
/
"
33"
8
5
1
/
"
35
/
"
16
2
3
11
16
/
"
17
/
"
16
4
3
39
/
"
8
1
35
/
"
2
5
55
/
"
8
Figure 25 - Rough Opening
for Installing in Corner
Nails or
Wood
Screws
Figure 26 - Attaching Fireplace to Wall Studs
Mantel Clearances for Built-In Installation
If placing mantel above built-in fireplace, you must meet minimum
clearance between mantel shelf and top of fireplace opening.
NOTICE: Surface temperatures of adjacent walls and
mantels become hot during operation. Walls and
mantels above the firebox may become hot to the
touch. If installed properly, these temperatures meet
the requirement of the national product standard.
Follow all minimum clearances shown in this manual.
NOTICE: If your installation does not meet the mini-
mum clearances shown, you must do one of the
following:
• raise the mantel shelf to an acceptable height
• remove the mantel shelf
Wall board or facing
material (above
firebox) may be of
combustible material,
including decorative
mantel ornaments or
other similar projec-
tions off of the facing
material.
Framing
Material
Firebox
7
27
/
"
8
Wire-mesh
Screen
Figure 27 - Minimum Mantel Clearances for Built-In Installation
INSTALLATION
Built-In Fireplace Installation
Nailing
Flanges
Mantel Shelf
10"
8"
6"
1 /2
2
"
Noncombustible
Material May
Project Off this
Surface above
the Firebox Hood
13" 16" 19" 21"
Note: All vertical
measurements are
from top of fireplace
Supplied Firebox
hood opening to bottom
Hood Must Be
of mantel shelf.
Used at All Times
These minimum
clearances replace any
other recommended
clearances supplied with
your ANSI Z21.11.2
approved gas logs.
15
15
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