General Information
Model |
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| Vent Size (in.) |
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No. | Burners | Gas Valves |
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| Flue | Intake |
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122 |
| 3 |
| 2* |
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| 1 |
| 4 |
| 5 |
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162 |
| 4 |
| 2* |
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| 1 |
| 5 |
| 5 |
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202 |
| 5 |
| 2* |
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| 1 |
| 5 |
| 5 |
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242 |
| 6 |
| 2* |
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| 1 |
| 5 |
| 5 |
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322 |
| 8 |
| 2* |
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| 1 |
| 6 |
| 5 |
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*Second valve located inside air plenum |
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| Table A: Basic Data |
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Model |
| Burners per Valve |
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| Stages |
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| % Fire at Stage | |||||
No. |
| A |
| B |
| 1 |
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| 2 |
| 1 |
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122 |
| 2 |
| 1 |
| A |
| AB |
| 66 |
| 100 | |||
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162 |
| 3 |
| 1 |
| A |
| AB |
| 75 |
| 100 | |||
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202 |
| 3 |
| 2 |
| A |
| AB |
| 60 |
| 100 | |||
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242 |
| 4 |
| 2 |
| A |
| AB |
| 66 |
| 100 | |||
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322 |
| 5 |
| 3 |
| A |
| AB |
| 63 |
| 100 | |||
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Table B: Manifold Data
Fig. 5: Air Shutter Adjustment
Fig. 4: Gas Valve Detail
7