Model DF-21
| DF-21-32 | DF-21-34 | |
|---|---|---|
| Thermostat Control: | Modulating | Modulating |
| Btu/Hr: | 4,200,000 | 4,200,000 |
| Maximum Btu/hr: | 4,200,000 | 4,200,000 |
| Minimun Btu/Hr: | 21,000 | 21,000 |
| CFM: | 25,000 | 25,000 |
| Max. External Static Pressure: | Up to 3" ESP / 32" Round Collar | Up to 3" ESP / 32" Round Collar |
| Fan Type: | Backward Inclined Blower | Backward Inclined Blower |
| Discharge Diameter: | 32" | 32" |
| Voltage: | 3 Phase, 208 Volt | 3 Phase, 480 Volt |
| Current Consumption: | 50 amps | 25 amps |
| Recommended Fuse Size: | 100 amps | 50 amps |
| Fuel Type: | NG or Vapor Propane | NG or Vapor Propane |
| Natural Gas Consumption: | 2,100 CFH Lo-Fire - 4,200 CFH Hi-Fire | 2,100 CFH Lo-Fire - 4,200 CFH Hi-Fire |
| Propane Consumption: | 22.9 GPH / 45.9 GPH | 22.9 GPH / 45.9 GPH |
| Pressure Range: | 1 - 10 lbs. | 1 - 10 lbs. |
| Temperature Control Discharge: | Yes | Yes |
| Air Proving Safety: | Yes | Yes |
| Flame Sensing Safety: | Yes | Yes |
| Net Weight: | 5,200 lbs. | 5,200 lbs. |
| Data Sheet: | DF-21 Data Sheet | DF-21 Data Sheet |
| NEMA Plug Configuration: | N/A | N/A |
| High Limit Discharge: | Yes | Yes |
| Dimensions: | 90" x 186" x 95" | 90" x 186" x 95" |