2
103964
2. Place the blower against lower rearwall
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).
Using2screwsprovided,mount blower
and tighten screws securely.
3. Be certain that all wire terminals are
securely attached to terminals on
blower motor and that the screw retain-
ing the green ground wire is tight.
4. Locate the plastic hole plug installed
in the 3/8" diameter opening in the
lower right side of the firebox front
panel (see Figure 2). Remove the plas-
tic plug and discard.
5. Place speed control against inner wall
of front panel, pushing the plastic con-
trol shaft forward through the opening
(see Figure 3).
6. While supporting speed control, secure
control shaft with lock nut by pushing
Installing GA3750 Blower Accessory in
Comfort Glow Model CGFB32C Series Firebox
9. Check to make sure that the powercord
is completely clear of the blower wheel
and that there are no other foreign ob-
jects in blower wheel. Turn blower on
and check for operation.
Figure 1 - Removing Screws from Fire-
box Bottom
and turning lock nut with pliers clock-
wise until it is tight against front panel.
Place control knob provided on shaft
(see Figure 3).
7. Plug in blower power cord.
a. Ifyourfireboxisinstalled as afree-
standing unit, determine whether
the power cord will exit the left side
or the right side of the firebox. In-
stall 1 plastic bushing provided into
the 1 1/2" hole in the floor support on
the exit side. Install the second plas-
tic 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 re-
cessed 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.
8. Turn on power to duplex outlet if pre-
viously turned off per the warning in
step 1.
Figure 4 - Installing Plastic Bushing for
Power Cord
NOTICE: If a log set is currently
installed in the firebox, discon-
nect log set from gas supply and
remove from firebox. Contact a
qualifiedservicepersontodothis.
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 fire-
box bottom from the firebox.
WARNING: Ifthe duplex elec-
trical outlet installed in the right
sideofthebottomofthefireplace
base area is wired to a electrical
power source, be sure that the
electrical power to the outlet is
turnedoffbeforeproceedingwith
blower installation. Failure to do
this may result in serious injury.
Screws
Blower
Plastic
Hole Plug
Lower
Rear Wall
of Firebox
Floor
Supports
Exhaust Port
WARNING: Never touch the
blower wheel while in operation.
10. Peel off the backing paper and stick the
suppliedwiringdiagramdecalonthefire-
box bottom approximately 12" in front
of the blower (see Figure 13, page 5).
11. Replacebottom offirebox.
Note:
Make
sure the back of the firebox bottom
slidesunder the rear of thefirebrick (lift
the firebrick up if necessary.)
12. Reattach firebox bottom using 4 screws
removed in step 1.
Note:
Discard the remaining hardware
items.
13. Install the log set heater according to
the installation instructions supplied
with the heater.
NOTICE: A qualified service per-
son must install heater. Follow
all local codes.
Operating the Blower
Light your gas appliance with the blower
off.After about 15 minutes, turn the blower
on to deliver heated air at the top louvers.
Theblowerfeaturesavariablecontrolwhich
allows you to select the speed you desire.
Note:
Periodically check the louvers of the
firebox and remove any dust, dirt, or other
obstructions.
Screws
Figure 2 - Mounting Blower to Firebox
Top
Mounting
Tab
Plastic
Bushing
Figure 3 - Attaching Speed Control
Speed
Control
Lock Nut
Control Knob
Control
Shaft
