Desa Ga3750a - Manual (Page 2)

108319-01B
2
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Note: Appearance of firebox may vary slightly depending on
model.
1. Remove the firebox bottom:
a. Remove the 4 screws that secure the bottom of the firebox
(see Figure 1).
b. Carefully raise and remove the firebox bottom from the
firebox.
INSTALLING BLOWER
ACCESSORY IN A 32" FIREBOX
NOTICE: If a log set is currently installed in the firebox,
disconnect log set from gas supply and remove from
firebox. Contact a qualified service person to do this.
WARNING: If there is a duplex electrical outlet
installed in the right side of the bottom of the fireplace
base area, be sure that the electrical power to the outlet
is turned off before proceeding with blower installa-
tion. Failure to do this may result in serious injury.
CAUTION: Never touch the blower wheel while in
operation.
2. Attach the power cord to the blower motor by firmly pushing the two
female terminals at the end of the power cord onto the two spade
terminals on the blower motor.
3. Attach green ground wire from power cord to blower housing us-
ing screw provided (see Figure 2). Tighten screws securely.
4. Place the blower against lower rear wall of firebox wrapper
with the exhaust port directed upward. Align the holes in top
mounting tabs of blower with holes in wall of wrapper (see
Figure 2). Using 2 screws provided, mount blower and tighten
screws securely.
5. Be certain that all wire terminals are securely attached to ter-
minals on blower motor and that the screw retaining the green
ground wire is tight.
6. Locate the plastic hole plug installed in the 3/8" diameter open-
ing in the lower right side of the firebox front panel (see Fig-
ure 2). Remove the plastic plug and discard.
7. Place speed control against inner wall of front panel, pushing the
plastic control shaft forward through the opening (see Figure 3).
Figure 1 - Removing Screws from Firebox Bottom
8. While supporting speed control, secure control shaft with lock
nut by pushing and turning lock nut with pliers clockwise un-
til it is tight against front panel. Place control knob provided
on shaft (see Figure 3).
9. Plug in blower power cord.
a. If your firebox is installed as a freestanding unit, determine
whether the power cord will exit the left side or the right side
of the firebox. Install 1 plastic bushing provided into the 1
1 /
2
"
hole in the floor support on the exit side. Install the second
plastic bushing provided into the 1
1 /
2
" hole in the outer casing
through which the power cord will exit (see Figure 4). Route
power cord through both plastic bushings and plug the power
cord into a 3-prong grounded wall receptacle near the firebox.
b. If your firebox installation is recessed and/or pre-wired,
plug the power cord into the duplex outlet provided. Refer
to your firebox owner’s manual for instructions on wiring
the duplex outlet.
Screws
Figure 2 - Mounting Blower to Firebox
Screws
Blower
Lower Rear Wall
of Firebox Wrapper
Floor
Supports
Top
Mounting
Tab
Exhaust Port
Plastic
Hole Plug
Screw
Note: Appearance of fireplace may vary by model.
Figure 4 - Installing Plastic
Bushing for Power Cord
Plastic
Bushing
Speed Control
Lock
Nut
Control
Knob
Control Shaft
Figure 3 - Attaching Speed
Control
INSTALLING BLOWER ACCESSORY IN A 32" FIREBOX