OPERATION AND SERVICE
WIRING DIAGRAM
BK | R |
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| INDUCER |
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BK | R |
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UPPER |
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PROBE/ |
| BLOWER PROVER |
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ECO |
| PRESSURE SWITCH |
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W |
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BK |
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Y |
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| THERMOSTAT |
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R |
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| TO EARTH |
R |
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| GROUND |
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| BL |
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| BR |
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| IGNITION BOARD |
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| R |
| 1a 1 1b |
| BK |
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| R |
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| W |
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| HOT 120 VAC | |
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| NEUTRAL |
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| EARTH GROUND |
LOWER |
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PROBE | G |
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| NOTE: |
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| IGNITER/FLAME | Must be properly grounded |
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| and have correct polarity | |
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| SENSOR | |
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| connections. | |
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| R |
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| R |
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| 120 VAC CIRCUIT |
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| FACTORY INSTALLED |
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| W |
| BY INSTALLER |
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BK - BLACK |
| WIRING DIAGRAM FOR | |
BR - BROWN |
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R - RED | Y | WHEN EQUIPPED WITH | |
Y - YELLOW | BOARD, DIGITAL THERMOSTAT AND CONTROLS. | ||
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G - GREEN |
| IF ANY OF THE ORIGINAL WIRE AS SUPPLIED | |
BL - BLUE |
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W - WHITE | Y | MUST BE REPLACED USE ONLY TYPE 105 C | |
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| THERMOPLASTIC OR EQUIVALENT. |
Figure 10
!WARNING
Disconnect from electrical supply before servicing unit. Replace all doors and panels before operating the water heater.
Servicing should only be performed by a Qualified Service Agent
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