PHYSICAL DATA Ð 579F180-300 (cont)
UNIT SIZE 579F | 180 | 216 |
| 240 | 300 |
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LOW/HIGH HEAT | LOW/HIGH HEAT |
| LOW/HIGH HEAT | LOW/HIGH HEAT |
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FURNACE SECTION |
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Rollout Switch Cutout |
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| Temp (F)²² | 190 | 190 |
| 190 | 190 |
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Burner Ori®ce Diameter |
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| (in. ...drill size) |
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| Natural Gas | 0.1405...28/0.136...29 | 0.1405...28/0.136...29 |
| 0.1405...28/0.136...29 | 0.1405...28/0.136...29 |
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Thermostat Heat Anticipator Setting (amps) |
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| 208/230 v Stage 1 | 0.98 | 0.98 |
| 0.98 | 0.98 |
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| Stage 2 | 0.44 | 0.44 |
| 0.44 | 0.44 |
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| 460 v Stage 1 | 0.80 | 0.80 |
| 0.80 | 0.80 |
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| Stage 2 | 0.44 | 0.44 |
| 0.44 | 0.44 |
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Gas Input (Btuh) Stage 1 | 172,000/225,000 | 206,000/270,000 |
| 206,000/270,000 | 206,000/270,000 |
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| Stage 2 | 230,000/300,000 | 275,000/360,000 |
| 275,000/360,000 | 275,000/360,000 |
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Efficiency (Steady State) (%) | 81 | 81 |
| 81 | 81 |
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Temperature Rise Range |
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Manifold Pressure (in. wg) |
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| Natural Gas | 3.3 | 3.3 |
| 3.3 | 3.3 |
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Gas Valve Pressure Range |
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| in. wg |
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| psig |
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Gas Valve Quantity | 1 | 1 |
| 1 | 1 |
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Field Gas Connection Size (in.) | 3¤4 | 3¤4 |
| 3¤4 | 3¤4 |
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Standard Compressor Internal Relief |
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| Ð |
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| (Differential) |
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| Cutout |
| 426 |
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| Reset (Auto.) |
| 320 |
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Cutout |
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| 7 |
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Reset (Auto.) |
| 22 |
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FREEZE PROTECTION THERMOSTAT (F) |
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Opens |
| 30 ± 5 |
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Closes |
| 45 ± 5 |
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| Cleanable |
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Quantity...Size (in.) |
| 2...20 x 25 x 1 |
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| 1...20 x 20 x 1 |
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| Throwaway |
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Quantity...Size (in.) |
| 4...20 x 20 x 2 |
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| 4...16 x 20 x 2 |
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POWER EXHAUST | 1¤2 Hp |
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| LEGEND |
| ²²Rollout switch lockout is manually reset by interrupting power to unit | ||||
Al | Ð Aluminum |
| or resetting thermostat. |
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Bhp | Ð Brake Horsepower |
| The 579F300 unit requires | ||||
Cu | Ð Copper |
| handling face velocities of up to 625 ft/min (such as American Air Fil- | ||||
TXV Ð Thermostatic Expansion Valve |
| ter no. 5700 or equivalent). |
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*Evaporator coil ®n material/condenser coil ®n material. | NOTE: The | ||||||
²Weight of |
| located on the suction side. |
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**On
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