Desa Unvented (Vent-Free) Gas Compact Classic Hearth Fireplace VMH26NRB Owner's Operation And Installation Manual page 11

Note: If not installing blower accessory,
you may wish to run electrical wiring to
your fireplace for future blower installation
(see Accessories, page 35). Use only ap-
proved three-wire electrical wiring.
Note: A qualified installer should make all
electrical connections.
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.
3. Install gas piping to fireplace location. 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.
26 "
7
/
8
26 "
7
/
8
Figure 7 - Rough Opening for Installing
36 "
5
/
8
26
51
Figure 8 - Rough Opening for Installing
in Corner
113110-01H
INSTALLATION
10 "
1
/
2
3/4" Off
The Floor
Minimum
in Wall
25 7
7 "
/
8
3 "
/
4
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Continued
4. If you have not assembled firebox, follow
instructions beginning on page 5.
5. Carefully set fireplace in front of rough
opening with back of fireplace inside wall
opening.
6. Attach flexible gas line to fireplace gas
regulator. See Connecting Fireplace to
Gas Supply, page 17.
7. Bend four nailing flanges on outer casing
with pliers (see Figure 9).
8. Attach fireplace to wall studs using nails
or wood screws through holes in nailing
flange.
9. Check all gas connections for leaks. See
Checking Gas Connections, page 19.
10. If using optional trim kit, install the trim
after final finishing and/or painting of wall.
See instructions included with trim acces-
sory for attaching 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 firebox. Combustible materials
should never overlap the firebox front facing.
WARNING: Do not allow any
combustible or noncombustible
materials to overlap the firebox
front facing.
"
Nails or
/
8
Wood
Screws
Figure 9 - Attaching Fireplace to Wall Studs
Wall Studs
Nailing
Flanges
11