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OPTIONAL BLOWER INSTALLATION INSTRUCTIONS
Installing Optional DRB-1 Blower
1. Remove casing from front and heat shield
2. When facing appliance, insert blower assembly into the left
section of the casing (adjacent to the combustion chamber).
3. Route cord set through opening in casing in bottom. The opening
in casing bottom is located beneath gas control.
4. Align the two (2) screw holes on the inner side panel and the
two (2) screw holes on casing back with the four (4) clearance
holes on the blower assembly. attach blower assembly to the
casing back and inner side panel with four (4) 10 x 1/2" screws
provided. The blower assembly must be attached first to the
casing back and then to the casing side panel.
5. Replace heat shield and casing front.
Attention: Wiring harness on blower is factory assembled and
installed. If wiring harness becomes disassembled use the following
steps to reassemble the wiring harness.
1. Attach (1) pin terminal from black (hot) wire, smooth insulation
on cord set to (1) socket terminal on fan control assembly.
2. Attach (1) pin terminal from black (neutral) wire, ribbed
insulation on cord set to (1) socket terminal from white (neutral)
wire on motor.
3. Attach (1) pin terminal on fan control assembly to (1) socket
terminal from black (hot) wire on motor.
4. Attach green ground wire beneath one of the #10 x 1/2" (13mm)
screws on the blower housing.
13117-10-0709
OPTIONAL BLOWER DRB-1
Fan Control
The automatic fan control is located in the switch box. The switch
box is attached to the front of the blower assembly. The switch
box is adjacent to the combustion chamber. The fan control is a
non-adjustable automatic type. The fan control will require between
5 and 10 minutes of main burner operation before the fan control
"closes" and activates the blower. The blower will continue to run
between 5 and 10 minutes after the main burner shuts off, before
the fan control "opens" and deactivates the blower.
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 or Canadian Electrical
Code, CSA C22.1, if an external electrical source is utilized. This
appliance is equipped with a three-prong [grounding] plug for
your protection against shock hazard and should be plugged
directly into a properly 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 screws.
With this wire completing the ground, the appliance cord plug can
be plugged into the adapter and be electrically grounded.
CAUTION: Label all wires prior to disconnection when
servicing controls.
Wiring errors can cause improper
and dangerous operation. Verify proper operation after
servicing.
WARNING:
Unplugging of blower accessory will not stop the heater
from cycling. To shut heater off: Turn temperature dial
or thermostat to lowest setting. Turn knob on gas control
to "OFF", depressing slightly. Do not force.
Page 17
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