Troubleshooting Guide (cont'd)
ELECTRICAL SYSTEM CHECK (Use diagram on page 33)
_,CAUTIONI
Label all wiring before disconnecting an)" wiring; to ensure correct reconnection. Failure to follow this instruction I
could cause improper and possible dangerous operation, I
I resulting in DEATH, SERIOUS BODILY INJURY, ORI
t PROPERTY DAMAGE. | ] |
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| Visually check that all components | |
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| are wired | correctly according to |
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Correct by wiring according to dia- |
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Go to Thermostat and Gas Supply L..L | NO | J | |
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Check section. |
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Yes!
forPilotheatis. lit and thermostat is calling
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Yes
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have 110/120 volts available (recep- Does power cord or power wiring tacle and/or unct on box)?
Supply 110/120 | volts. | ..... | NO | |||
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Check at #1 for 1101120 volts to |
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ground. | No• |
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Replace switch. |
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Replace gas pressure | switch. |
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NOTE: | Requires | minimum | 31/2" | No | ||
_C. | for | natural |
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gas or 8" W.C. for |
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propane (L.E) gas to operate.
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| t Is on/off | switch "ON"? |
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1" |
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| I Bl°wer | mOt°r is running" | I |
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| I' I Check at #2 for 110/120 volts toi |
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| #3 i7or 110/120 volts to ground. |
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| t | Unplug blower motor and check at |
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Check wiring between # 2 and #3. ]_" | No | : | ] Replace blower motor. | ] |
Yes
continued on facing page
34