Desa EFS33NR - Manual (Page 12)

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INSTALLATION
Continued
1. Frame in rough opening. Use dimensions
shown in Figure 13 for the rough opening. If
installing in a corner, use dimensions shown
in Figure 14 for the rough opening. The height
is 33" which is the same as the wall opening
above.
2. If using blower, install and properly ground
GA3555, three-prong 120 volt electrical out-
let, in fireplace. Follow instructions included
in kit.
3. Install gas piping into 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. See
Installing Gas Piping to Fireplace Location,
page 13.
4. Carefully set fireplace in front of rough opening
with back of fireplace inside wall opening.
5. Carefully insert fireplace into rough opening.
6. Attach flexible gas line to gas supply. See Con-
necting Fireplace to Gas Supply, page 14.
7. Attach fireplace to wall studs using nails or
wood screws through holes in nailing flange
(see Figure 15).
8. Check all gas connections for leaks. See
Checking Gas Connections, page 15.
9. Plug electrical cord into electrical outlet
installed in step 2.
10. Install brass trim after final finishing and/or
painting of wall (see Figure 7, page 9).
Figure 13 - Rough Opening for Installing
in Wall
Figure 14 - Rough Opening for Installing
in Corner
Figure 15 - Attaching Fireplace to Wall
Studs
35 1 /
2
"
17 3 /
4
"
33"
39 3 /
8
"
27 7 /
8
"
55 5 /
8
"
35 1 /
2
"
Nailing Flanges
Nails or
Wood
Screws
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: If your installation does
not meet the minimum clear-
ances shown, you must do one
of the following:
• raise the mantel to an accept-
able height
• remove the mantel
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.