OPTIONAL BLOWER INSTALLATION ISNTRUCTIONS (continued)
Wiring
The appliance, when installed, must be electrically grounded in accor- dance with local codes or, in the absence of local codes, with the National Electrical Code, ANSI/NFPA 70, if an external electrical source is utilized. This appliance is equipped with a
CAUTION: Label all wires prior to disconnection when servicing controls. Wiring errors can cause improper and dangerous operation. Verify proper operation after servicing.
Blower Motor
The blower motor does not have oiling holes. Do not attempt to oil the blower motor.
Blower Wheel
The blower wheel will collect lint and could require periodic cleaning. If the air output decreases or the noise level increases, it indicates a dirty blower wheel.
To clean blower wheel:
1.Turn OFF gas supply to the heater.
2.Turn OFF electrical supply to the heater.
3.Remove lower louver from casing assembly (2 screws).
4.Remove reflector from casing assembly (2 screws).
5.Remove upper louver from casing assembly (2 screws).
6.Clean blower wheel with a vacuum cleaner.
7.As parts are being replaced in reverse order, check for gas leaks at all gas connections before lower louver is replaced onto casing assembly.
WARNING:
Unplugging of blower accessory will not stop the heater from cycling. To turn off gas to the unvented heater: Push in gas control knob slightly and turn clockwise to "OFF." Do not force.
If any of the original wire as supplied with the appliance must be replaced, it must be replaced with type 125°C wire or its equivalent.
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| PARTS LIST |
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INDEX | PART |
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NO. | NO. | DESCRIPTION |
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1 | BLOWER (INCLUDES MOTOR, FAN, | |
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| AND FAN HOUSING) |
2 | FAN CONTROL | |
3 | WIRE ASSEMBLY |
48720161 BUSHING - HEYCO #SR5KN4
5
6
6
78520141 RUBBER GROMMET (4 REQUIRED)
88520142 BRASS BUSHING (4 REQUIRED)
NOT SHOWN | HARDWARE PACKAGE |
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Page 22 |