![](/images/new-backgrounds/1028801/2880161x1.webp)
Troubleshooting (cont’d)
Diagram for “Electrical System Check” on pages 32 and 33.
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| HI |
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| LIMIT | BLOWER | |
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ON/OFF SWITCH |
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HI LIMIT SWITCH |
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| YELLOW | BLUE | WHITE | BLACK |
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PRESSURE SWITCH |
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| NO |
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| 4 |
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| PS |
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| 2 | NC |
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| C |
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| ON/OFF | BLACK | RED |
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WHC |
| HOT |
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N |
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IGNITOR |
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L1 | 7 | GROUND GREEN | BROWN |
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| RED |
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5 |
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MAIN |
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| WHITE |
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VALVE |
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| CONTROL | N |
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6 |
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| I2 |
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| BLACK |
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| I1 |
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| L1 |
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7 |
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| BLUE | BLUE |
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| 1 |
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| 3 |
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BLOWER |
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| 5 |
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| 6 |
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| 7 | YELLOW |
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INDICATOR
LIGHT
4W.C.
MIN.
8 7 6 5 4 3 2 1 0 1 2 3 4 5 6 7 8
NATURAL GAS | 4″ W.C. MIN. |
PROPANE (LP) GAS | 10″ W.C. MIN. |
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MANIFOLD
31