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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
Note: All vertical
measurements are
from top of fireplace
opening to bottom
of mantel shelf. All
measurements are
in inches.
Side of
Firebox
Figure 13 - Minimum Mantel Clearances
for Built-In Installation
OPTIONAL MANTEL INSTALLATION
Refer to instructions provided with the mantel
for assembly and installation instructions.
Refer to instructions on page 4 for firebox as-
sembly. If a blower accessory is being used,
it should be installed before securing your
fireplace to the mantel (see Installing Blower
Accessory GA3450TA).
INSTALLING BLOWER ACCESSORY
GA3450TA
Removing Upper Louver Assembly
To install the blower accessory, you must first
remove the upper louver assembly.
1. Lift screen off heater.
2. Remove 4 screws from louver assembly
(see Figure 14). Save these screws.
3. Pull louver assembly straight out from
the cabinet. Be careful not to scratch the
paint. Set louver assembly and screws
aside.
119508-01B
INSTALLATION
Continued
Mantel Shelf
10"
8"
6"
1
2
/
"
2
www.desatech.com
Figure 14 - Removing Upper Louver
Assembly
Removing Valve Cover Shield
1. Open bottom louver assembly by swinging
the assembly down (see Figure 15).
2. Using short Phillips screwdriver, remove
the screw under the center of the branch
support. Rotate valve cover shield clock-
wise and slide out. IMPORTANT: Do not
remove shoulder screw on the left side of
valve cover shield. Slide the valve cover
shield off of the shoulder screw (see Fig-
ure 15).
Note: If you do not have a short Phil-
lips screwdriver, the screen, log set and
branch support must be removed so a
longer screwdriver may be used. See
Connecting Equipment Shutoff Valve to
Heater Control, page 17, steps 1 and 2.
Shoulder Screw
Valve
Cover
Remove
Shield
Screw
Snap Bushings
Figure 15 - Removing Valve Cover Shield
Blower Bracket
Mounting Holes
Upper
Louver
Screws
Assembly
Branch
Support
Bottom Louver
Assembly
13
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