background image

18862-3-0414

Page 2

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."

Reviews: