Troubleshooting Guide (cont'd)
ELECTRICAL SYSTEM CHECK (Use diagram on page 33)
A CAUTION | J |
Label all wiring before disconnecting any wiring; to ensure I
correct reconnection. Failure to follow this instruction J could cause improper and possible dangerous operation, resulting in DEATH, SERIOUS BODILY INJURY, OR
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| PROPERTY | DAMAGE. |
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| t Visually check that all components ] |
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| wiring diagram on unit. | ! |
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Correct by wiring according | to | dia- | .................... | Pilot is lit and thermostat is calling |
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granl. |
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Go to | Thermostat | and Gas Supply | - | No |
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Check | sect on. |
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Does power cord or power wiring have 110/120 volts available (recep- tacle and/or junction box)?
Supply 110/120 volts. | eel | No | ,.I |
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[ Turn on. | ? | No | _' |
Check at #1 for 110/120 volts to |
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,,,,,e.....- | No | .......a |
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ground. |
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I °p,a°°swit h- I
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Is on/offswitch | "ON"? |
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Blower motor | is running. | I |
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Check at #2 for 110/120 volts to ground.
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Replacegas pressure switch.
NOTE: | Requires minimum | 31/2" [. |
| #3 for 110/120 | volts to | ground. | ||
No | i | ]] Unplug | blower | motor | and check at | |||
W.C. for natural gas or 8" W_C. for J"_" | a |
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propane (L.P.) gas to operate. | 1 |
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Check | wiring between # 2 and | #3. _ | No |
| J Replace | blower | motor. | ] |
Yes
continued on facing page
34