18862-3-0414
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Empire Comfort Systems Inc. • 918 Freeburg Avenue • Belleville, IL 62220
110 VOLT AC
JUNCTION BOX
WHITE
SPEED
CONTROL
FAN
CONTROL
GROUND
BLACK
FAN
1
FBB4
BLOWER ASSEMBLY COMPLETE
2
R7649
FAN CONTROL
3
R4192
SPEED CONTROL KNOB
4
18879
SPEED CONTROL
5
R7731
BLOWER MOTOR AND WHEEL ASSEMBLY
Attention:
If installed, do not damage gas inlet supply line
when blower assembly is inserted into fireplace. If
necessary, removal of the gas inlet supply line may
be necessary.
4. Remove upper louver and glass door assembly.
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 fireplace back
and push blower assembly against fireplace back. The blower
wheel must be centered with the back wall of the fireplace.
Place blower assembly against the back wall. The magnets
on the back and bottom of blower assembly will sufficiently
hold blower assembly in place.
6. Position speed control to the right of gas valve. Attach speed
control to bottom of fireplace. The magnets on bottom of
speed control will sufficiently hold the speed control in place.
7. With base (flush face) of fan control switch facing upward,
insert base flanges of fan control switch under the mounting
tabs on valve bracket. The base (flush face) of fan control
switch must be in contact with bottom of the firebox. (see
inset)
8. Insert power cord plug into junction box.
9. Install glass door and upper louver. Close bottom louver on
fireplace.
Note:
This blower is equipped with a heat activated fan control
switch. Fan will operate when the fireplace warms up, and
will turn off when the fireplace cools down.
10. Installation of FBB4 optional variable speed blower assembly
is completed.
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.
Warning:
Unplugging of blower accessory will not stop
the heater from cycling. To turn off gas to the heater
(millivolt model): push in gas control knob slightly and
turn clockwise to "OFF." Do not force. To turn off gas on
direct ignition model, turn gas line valve to "OFF."