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Air Handling Unit and Hot Water Coil Accessory Heating Capacity |
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ND360 / 1HW0406, ND480 & ND600 / 1HW04071 |
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| CAPACITY (MBH) |
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UNIT | HOT WATER |
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GPM | CFM | ENTERING WATER TEMPERATURE MINUS ENTRY AIR TEMPERATURE °F. | |||||||||
MODEL | COIL MODEL | ||||||||||
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| 70 | 90 | 110 |
| 130 |
| 150 | |
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| 8,000 | 236 | 304 | 372 |
| 440 |
| 508 | |
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ND360 | 1HW0406 | 50 | 10,000 | 265 | 341 | 416 |
| 492 |
| 568 | |
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12,000 | 291 | 374 | 457 |
| 540 |
| 623 | ||||
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| 14,000 | 315 | 405 | 495 |
| 585 |
| 675 | |
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| 12,800 | 348 | 447 | 547 |
| 646 |
| 746 | |
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ND480 |
| 75 | 16,000 | 389 | 500 | 611 |
| 722 |
| 833 | |
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| 1HW0407 |
| 19,200 | 425 | 547 | 668 |
| 790 |
| 911 | |
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| 16,000 | 389 | 500 | 611 |
| 722 |
| 833 | ||
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ND600 |
| 75 | 20,000 | 436 | 561 | 686 |
| 810 |
| 935 | |
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| 24,000 | 473 | 610 | 746 |
| 882 |
| 1,019 | |
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1These capacities do not include any blower motor heat. NOTE: Temperature Water Drop (ºF) = (2 X MBH) / GPM.
Hot Water Coil Capacity Correction And Pressure Drop Vs GPM1
HOT WATER COIL MODEL | GPM | PRESSURE DROP | CAPACITY CORRECTION | |
PSI | FACTOR | |||
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| 25 | 0.4 | 0.79 | |
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1HW0406 | 50 | 1.0 | 1.00 | |
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75 | 1.8 | 1.04 | ||
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| 100 | 3.4 | 1.07 | |
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| 50 | 1.0 | 0.95 | |
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1HW0407 | 75 | 1.5 | 1.00 | |
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100 | 2.4 | 1.03 | ||
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| 125 | 3.5 | 1.05 | |
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1For pressure drop in feet (water), multiply these values by 2.31.
Johnson Controls Unitary Products | 15 |
