SECTION 15: SPECIFICATIONS
15.2 General Technical Data Table
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| UHD[X][S][R] | UHD[X][S][R] |
| UHD[X][S][R] |
| Model | 75 | 100 |
| 125 |
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Full Load Amps @ 115 V | A | 1 | 2 |
| 2 |
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Minimum Air Volume | CFM | 850 | 950 |
| 1020 |
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Temperature Rise @ Minimum Air Volume | °F (°C) | 68 (20) | 78 (26) |
| 92 (33) |
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Heat Exchanger Pressure Drop @ Minimum Air Volume | in wc | 0.06 | 0.05 |
| 0.06 |
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Maximum Air Volume | CFM | 2650 | 3660 |
| 4750 |
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Temperature Rise @ Maximum Air Volume | °F (°C) | 22 | 22 |
| 20 |
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Heat Exchanger Pressure Drop @ Maximum Air Volume | in wc | 0.36 | 0.55 |
| 0.98 |
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Flue Size/Air Intake** | in (cm) |
| 4 |
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*Do not exceed the maximum length of flue stated or heater may not operate properly.
15.3 Technical Data Table
| Model | UHD[X][S][R] | UHD[X][S][R] | UHD[X][S][R] 125 |
| 75 | 100 | ||
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Total Input | (Btu/h) x (1000) | 75 | 100 | 125 |
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Total Output | (Btu/h) x (1000) | 61.5 | 82 | 102.5 |
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Efficiency | % |
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Natural Gas (G20) Data - Inlet Pressure 5.0 in wc Min., 14 in wc Max. |
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Burner Pressure | in. wc | 3.5 | 2.6 | 3.3 |
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LPG / Propane (G31) Data - Inlet Pressure 12.0 in wc Min., 14 in wc Max. |
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Burner Pressure | in. wc | 10.0 | 9.1 | 10.0 |
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41