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OPTIONAL BLOWER INSTALLATION INSTRUCTIONS
INSTALLING OPTIONAL BLOWER SRB-18T OR SRB-30T
If heater is installed onto the wall, in order to install the optional blower,
the heater must be removed from the wall. If heater is installed on
SRS-18 or SRS-30 optional floor stand there is adequate access
area available to install the optional blower.
1.
Turn "OFF" gas supply to the heater.
2.
Remove lower louver from casing assembly (2 screws).
3.
Remove reflector from casing assembly (2 screws).
4.
Remove upper louver from casing assembly (2 screws).
5.
Insert the fan control wires and the upper portion of the fan con-
trol through the 3/4" (19mm) diameter hole on the bottom side
of the top heat shield. The fan control wires will enter into the
top portion of the heater and the fan control disc will be facing
the main burner. Attach fan control to the bottom side of the top
heat shield with (2) screws provided with the optional blower.
6.
Route cord set through 9/16" (14mm) diameter hole on casing
assembly back. Insert approximately 3" (76mm) of cord set into
casing assembly back.
7.
When you are facing the front of the heater, position the optional
blower assembly onto the top heat shield of the heater. The motor
wire harness should be facing into the top, right portion of the
heater.
8.
Attach (1) pin terminal from black (hot) wire, smooth insulation
on cord set to (1) socket terminal on fan control wire harness.
9.
Attach (1) pin terminal from black (neutral) wire, ribbed insula-
tion on cord set to (1) socket terminal from white (neutral) wire
on motor wire harness.
10. Attach (1) pin terminal on fan control wire harness to (1) socket
terminal from black (hot) wire on motor wire harness.
11. Attach the green ground wire from the motor wire harness and
the green ground wire from the cord set to the bottom right side
of the blower housing with (1) screw provided with the optional
blower.
12. With the heater standing upright, position the air discharge opening
of the blower housing downward. Place the bottom flange of the
16943-7-0907
SRB-18T and SRB-30T
for Unvented Room Heaters BF-10, BF-20 and BF-30
blower housing over the top edge of the top heat shield. Insert
the blower housing into the top portion of the heater by pivoting
the blower housing upward 90°. Attach the blower housing to
the casing assembly with (4) screws provided with the optional
blower.
13. Grasp cord set at casing assembly back and pull excess cord set
through casing assembly back. Secure cord set in casing assembly
back with the strain relief provided with the optional blower.
14. Installation of optional blower SRB-18T or SRB-30T is
completed.
15. If heater was removed from the wall, in order to install SRB-18T or
SRB-30T optional blower, check for gas leaks at all gas connections
before lower louver is replaced onto casing assembly.
Attention! After optional blower has been installed use the following
steps to properly align the upper louver and the reflector with
the heat shield.
A. When replacing upper louver, be sure the bottom lip of upper
louver goes behind the heat shield.
B. When replacing reflector, be sure the top lip of reflector goes in
front of the heat shield.
Excessive Blower Wheel Noise
ATTENTION! If your blower assembly develops a squeal, hum or
grinding noise, it indicates dirt or debris on shaft of blower wheel. Use
the following steps to clean shaft of blower wheel.
1.
Remove red rubber grommet with brass bushing or black rubber
grommet with brass bushing from end of blower wheel shaft
opposite motor.
2.
Clean blower wheel shaft with cotton cloth.
3.
Place 1 or 2 drops of all purpose oil on END of blower wheel
shaft.
4.
Replace red rubber grommet with brass bushing or black rubber
grommet with brass bushing onto end of blower wheel shaft.
Attention: The red rubber grommet with brass bushing or the
black rubber grommet with brass bushing must "snap-back" into
position.
5.
Cleaning of blower wheel shaft is completed.
HEAT SHIELD
Page 17
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