Owner`s manual

28365-2-0811 Page 53
Attention: Install blower assembly before connecting gas inlet
supply line
Note: Junction box on right side of replace must be pre-wired at
time of replace installation for use with blower assembly.
It is recommended that an ON/OFF wall switch be installed
that will activate the power supply to the furnace by a
qualied electrician.
1. If installed, turn OFF gas supply to replace.
2. If applicable, turn OFF electric supply to replace.
3. Lower bottom louver on replace.
4. Refer to page 55, "Junction Box Wiring Installation Instructions"
to complete wiring of junction box.
Attention: If installed, do not damage gas inlet supply line
when blower assembly is inserted into replace. If
necessary, remove gas inlet supply line.
5. Insert blower assembly into interior, bottom of fireplace.
Position blower assembly behind gas valve, align notch
on back of blower assembly with center screw on replace
back and push blower assembly against replace back. The
magnets on the back and bottom of blower assembly will
sufciently hold blower assembly in place.
6. Position speed control box to the right of gas valve. Attach
speed control box to bottom of replace. The magnets on
bottom of speed control box will sufciently hold speed control
box in place.
7. With base (ush face) of fan control switch facing upward,
insert base of fan control switch under the mounting tabs on
valve bracket. The base (ush face) of fan control switch must
be in contact with bottom of rebox.
8. Insert power cord plug into junction box.
9. Close bottom louver on replace.
10. Installation of FBB4 optional variable speed blower assembly
is completed.
Wiring
The appliance, when installed, must be electrically grounded in
accordance with local codes or, in the absence of local codes,
with the National Electrical Code, ANSI/NFPA 70, if an external
electrical source is utilized. This appliance is equipped with
a three-prong [grounding] plug for your protection against

grounded three-prong receptacle. Do not cut or remove the
grounding prong from this plug. For an ungrounded receptacle,
an adapter, which has two prongs and a wire for grounding, can
be purchased, plugged into the ungrounded receptacle and its
wire connected to the receptacle mounting screw. With this wire
completing the ground, the appliance cord plug can be plugged
into the adapter and be electrically grounded.
       
servicing controls. Wiring errors can cause improper
and dangerous operation. Verify proper operation after
servicing.
Blower Motor
The blower motor does not have oiling holes. Do not attempt to
oil the blower motor.
Blower Wheels
The blower wheels will collect lint and could require periodic
cleaning. If the air output decreases or the noise level increases,
it indicates a dirty blower wheel. Remove fan and clean blower
wheels.

heater from cycling. To turn off gas to the heater (millivolt

to "OFF." Do not force. To turn off gas on direct ignition
model, turn gas line valve to "OFF."
Note: Refer to wiring instructions on page 54 for proper
operation.
JUNCTION BOX
SEE NOTE
VA LVE BRACKET
FA N SWITCH
SPEED CONTROL
SWITCH HOLDER
(TOP OF VA LVE BRACKET)
FA N KIT
FBB4 OPTIONAL VARIABLE SPEED BLOWER INSTALLATION