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OPTIONAL BLOWER INSTALLATION INSTRUCTIONS
INSTALLING OPTIONAL BLOWER SRB-18
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 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. Remove on/off switch knockout from the casing assembly
top.
6. Insert the on/off switch wires through the casing assembly top.
The on/off switch wires will enter the top portion of the casing
assembly. Snap on/off switch into the casing assembly top.
7. Route cord set through 9/16" (14mm) diameter hole on casing
assembly back. Insert approximately 3" (76mm) of cord set
into casing assembly back.
8. 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.
9. Attach (1) pin terminal from black (hot) wire, smooth insulation
on cord set to (1) socket terminal from the on/off switch.
10. Attach (1) pin terminal from black (neutral) wire, ribbed insulation
on cord set to (1) socket terminal from white (neutral) wire on
motor wire harness.
11. Attach (1) pin terminal from the on/off switch to (1) socket
terminal from black (hot) wire on motor wire harness.
12. 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.
13. With the heater standing upright, position the air discharge
opening of the blower housing downward. Place the bottom
flange of the blower housing over the top edge of the top heat
16010-10-0314
OPTIONAL BLOWER
SRB-18
for Unvented Room Heater SR-18
14. Grasp cord set at casing assembly back and pull excess cord
15. Installation of optional blower is completed.
16. If heater was removed from the wall, in order to install optional
Attention! After optional blower has been installed use the following
steps to properly align the upper louver and the reflector with 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.
SR-18 Shown
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.
set through casing assembly back. Secure cord set in casing
assembly back with the strain relief provided with the optional
blower.
blower, check for gas leaks at all gas connections before lower
louver is replaced onto casing assembly.
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.
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.
Page 23
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