Installation, Continued – Desa DCFTNA User Manual
Page 11
www.desatech.com
111244-01E
11
INSTALLATION
Continued
Figure 9 - Rough Opening for Installing
in Corner
Figure 8 - Rough Opening for Installing
in Wall
43
5
/
16
"
30
5
/
8
"
61
1
/
4
"
26
7
/
8
"
26
7
/
8
"
26
7
/
8
"
3/4" Off
The Floor
Minimum
15
1
/
4
"
Actual
Framing
Height
26"
26
7
/
8
"
Front Width
26
3
/
4
"
26
7
/
8
"
Depth
14
1
/
4
"
15
1
/
4
"
1. Frame in rough opening. Use dimensions shown
in Figure 8 for the rough opening. If installing
in a corner, use dimensions shown in Figure
10 for the rough opening. The height is 26
7
/
8
"
which is the same as the wall opening above.
2. If installing GA3450TA blower accessory, do
so at this time. Follow instructions included
with blower accessory.
Note:
If not installing blower accessory, you
may wish to run electrical wiring to your
fireplace for future blower installation (see
Accessories, page 44). Use only approved
three-wire electrical wiring.
WARNING: If pre-wiring, do
not connect wiring to any electri-
cal source at this time.
Install fireplace electrical outlet
and connect wiring to outlet
before connecting to electrical
source. The fireplace electri-
cal outlet is included with the
GA3450TA blower accessory.
Only use the fireplace electri-
cal outlet supplied with the
GA3450TA blower accessory.
Figure 10 - Attaching Fireplace to Wall
Studs
Nailing
Flanges
Nails or
Wood
Screws
Wall Studs
Note:
A qualified installer should make all electri-
cal connections.
3. Install gas piping to fireplace location. This
installation includes an approved flexible gas
line (if allowed by local codes) after the equip-
ment shutoff valve. The flexible gas line must
be the last item installed on the gas piping.
4. If you have not installed hood, follow instruc-
tions on page 6.
5. Carefully set fireplace in front of rough opening
with back of fireplace inside wall opening.
6. Attach flexible gas line to fireplace gas regula-
tor. See Connecting Equipment Shutoff Valve
to Heater Control,
page 17.
7. Bend four nailing flanges on outer casing with
pliers (see Figure 10).
8. Attach fireplace to wall studs using nails or
wood screws through holes in nailing flange.
9. Check all gas connections for leaks. See Check-
ing Gas Connections
, page 17.
10. 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 edge of the fire-
box. Combustible materials should never overlap
the firebox front facing.
WARNING: Do not allow any
combustible materials to overlap
the firebox front facing.
IMPORTANT:
Noncombustible materials such as
brick, tile, etc. may overlap the front facing, but
should never cover any necessary openings like
louvered slots.