11
105604
OWNER’S MANUAL
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INSTALLATION
Continued
Figure 20 - Inserting Firebox Into Cabinet
Mantel
34 3/4"
17 3/4"
33" (FB32CA and
NLFB32CA)
34 1/4" (FB32NCA and
NLFB32NCA)
Figure 21 - Rough Opening for Installing
in Wall
BUILT-IN FIREBOX
INSTALLATION
Built-in installation of this firebox involves
installing firebox into a framed-in enclosure.
This makes the front of firebox flush with
wall. If installing a mantel above the firebox,
but you must follow the clearances shown in
Figure 7, page 8. Follow the instructions
below to install the firebox in this manner.
1.
Frame in rough opening. Use dimen-
sions shown in Figure 21 for the rough
opening
If installing in a corner, use dimensions
shown in Figure 22 for the rough open-
ing. The height is 33" (FB32CA and
NLFB32C) or 34
1
/
4
" (FB32NCA and
NLFB32NC), which is the same as the
wall opening in Figure 21.
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Figure 19 - Location of Nailing Flanges
Nailing
Flanges
39 3/8"
27 7/8"
55 5/8"
34 3/4"
Figure 22 - Rough Opening for Installing
in Corner
2.
Install gas piping to firebox location. This
installation includes an approved flexible
gas line (if allowed by local codes) after
the manual shutoff valve. The flexible
gas line must be the last item installed
on the gas piping. See Connecting to Gas
Supply in log set owner’s manual.
3.
Carefully set firebox in front of rough
opening with back of firebox inside wall
opening.
IMPORTANT:
If installing
Brass Trim Kit GA6090, see instruc-
tions included with brass trim accessory.
You must install shoulder screws now.
4.
If using GA3700 blower accessory
(Models FB32CA and NLFB32C
only), see Installing Blower Accessory
for built-in installation, page 8.
5.
Attach flexible gas line to log set. See
Connecting to Gas Supply in log set
owner’s manual.
6.
Carefully insert firebox into rough
opening.
4.
Place hearth base accessory against wall
at installation location. Cut an access
hole in hearth top to run flexible gas
line to firebox (see Figure 17, page 10).
Make sure to locate access hole so cabi-
net mantel will cover it when installed.
Note:
You can secure base to floor us-
ing wood screws. Countersink screw
heads and putty over.
5.
Route flexible gas line through access
hole in hearth base.
6.
Center cabinet mantel on hearth base
(see Figure 18, page 10). Make sure
mantel is flush against wall.
7.
Break off nailing flanges (see Figure 19)
with hammer or pliers.
IMPORTANT:
When installing Brass
Trim Kit, see instructions included with
mantel accessory.
8.
Place cardboard or other protective
material on top of hearth base. Care-
fully set firebox on protective material,
with back of firebox inside mantel
opening.
9.
Attach flexible gas line to log set. See
Connecting to Gas Supply in your log
set owner’s manual.
10. If installing GA3700 blower (FB32CA
and NLFB32C models only), route
blower electrical cord through bushing
included with blower accessory in right
side firebox support and bushing in side
access opening of firebox. Plug elec-
trical cord into electrical outlet. See
Installing Blower Accessory, page 8.
Continued
11. Carefully insert firebox into cabinet
mantel. Be careful not to scratch or
damage hearth base, cabinet mantel, or
any laminate trim on hearth base. Re-
move protective material from top of
hearth base and from front of firebox
(if any).
12. Install the trim after final finishing and/
or painting of wall. See instructions
included with mantel accessory for at-
taching brass trim.
13. Check all gas connections for leaks. See
Checking Gas Connections in log set
owner's manual.
