Wiring Diagram - A.O. Smith BTX-100 Service Handbook
Commercial / residential gas water heaters
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Also See for BTX-100:
- Instruction manual (60 pages) ,
- Service handbook (72 pages) ,
- Instruction manual (60 pages)
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ULTRA HIGH EFFICIENCY POWER VENT/POWER DIRECT VENT - SERVICE MANUAL
WIRING DIAGRAM
Service Notes - Polarity & Ground
This water heater is polarity and ground sensitive. The control system will lock out and
display a fault message ("AC Reversed") if the power supply polarity is reversed. Flame
sensing current cannot be established if the burner is not grounded which will lead to ignition
failure. See electrical requirements on page 8.
Technical Literature Department
Servicing should only be performed by a Qualified Service Agent
39 of 52
120 VAC 1Ø
Power Supply
Ground
Neutral
Hot
Ashland City, TN © 2008
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