3
103964
IMPORTANT:
For clarity, gas valve as-
sembly, logset, and grate/burner assembly
are not shown in Figures 5 through 8. They
will be in your fireplace when you are in-
stalling the blower.
1.
Open lower louver panel.
2.
Place the blower against the lower rear
wall of firebox outer wrapper with the
exhaust port directed upward. Align the
holes in the top mounting tabs of
blower with holes in wall of wrapper
(see Figure 5). Using the two screws
provided, 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.
WARNING: Never touch the
blower wheel while in operation.
10. Peel off the backing paper and stick the
supplied wiring diagram decal on the fire-
box bottom approximately 3" to the right
of the blower speed control (Figure 8).
WARNING: Failure to position
the parts in accordance with sup-
plied diagrams or failure to use
only parts specifically approved
with this heater may result in dam-
age or personal injury.
11. Connect gas supply to fireplace per in-
structions in operating manual provided
with fireplace.
NOTICE: A qualified service per-
son must connect fireplace to
gas supply. 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.
The blower features a variable control which
allows you to select the speed you desire.
Note:
Periodically check the louvers of the
firebox and remove any dust, dirt, or other
obstructions.
NOTICE: Shut off gas supply and
disconnect heater from gas sup-
ply. Contact a qualified service
person to do this.
4.
Remove screws securing the plate con-
taining the ON/OFF switch to the bot-
tom of the firebox and set aside.
5.
Place speed control against back of this
plate and push the plastic control shaft
through opening (see Figure 6).
6.
While supporting speed control, secure
control shaft with lock nut by pushing and
turning lock nut with pliers clockwise
until tight against the plate. Place control
knob provided onto shaft (see Figure 6).
7.
Replace plate containing switches and
tighten screws securely.
8.
Plug in blower power cord.
a. If your fireplace system is installed
as a freestanding unit with an ac-
cessory mantel, determine whether
the power cord will exit the left side
or the right side of the firebox. In-
stall one plastic bushing provided
into the 1.5" hole in the outer casing
through which the power cord will
exit. Install the second plastic bush-
ing provided into the floor support
bracket if exiting through the right
side (see Figure 7). Route power cord
through (both) plastic bushing(s) and
plug the power cord into a properly
grounded 3-prong wall receptacle
near the firebox.
b. If your fireplace system installation
is recessed and/or pre-wired, a
qualified installer must make all elec-
trical connections for the outlet in-
cluded with the fireplace.
Figure 5 - Mounting Blower to Firebox
Figure 6 - Attaching Speed Control to
Firebox
Figure 7 - Installing Plastic Bushing for
Power Cord
Figure 8 - Location of Wiring Diagram
Decal
Exhaust Port
Blower
Screws
Lower Rear Wall of
Firebox Wrapper
Speed Control
Control Shaft
Locknut
Control
Knob
Plastic
Bushing
Wiring
Diagram
Installing GA3750 Blower Accessory in Comfort
Glow Direct Vent Fireplace Models CDV and
CHDV Series
9.
Check to make sure that the power cord
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. Turn blower
off by rotating knob fully counterclock-
wise before continuing.
Top
Mounting
Tab