21

Table 16 — Fan Performance — 50ZG,ZN070 Units With Discharge Plenum and 50Z2,Z3070 Units

LEGEND
NOTES:
1. Fan performance is based on wet coils and clean 2-in. filters.
2. See Table 30B before using Fan Performance tables.
3. Conversion — Bhp to kW:
See Tables 26-28 for motor efficiency.
AIRFLOW
(Cfm)
AVAILABLE EXTERNAL STATIC PRESSURE (in. wg)
0.20.40.60.81.01.21.41.6
Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp
14,000 268 2.64 304 3.32 335 4.02 364 4.76 391 5.55 418 6.39 444 7.27 468 8.20
17,500 316 4.67 348 5.54 376 6.39 402 7.25 426 8.14 449 9.06 472 10.03 493 11.03
21,000 366 7.61 395 8.66 421 9.69 444 10.71 466 11.73 487 12.78 507 13.85 527 14.94
24,500 417 11.61 444 12.87 467 14.09 489 15.28 509 16.47 529 17.66 547 18.86 565 20.08
28,000 470 16.88 493 18.35 515 19.77 536 21.15 555 22.51 573 23.87 590 25.22 607 26.59
30,000 500 20.52 522 22.11 543 23.64 563 25.14 581 26.61 599 28.06 616 29.52 632 30.97
AIRFLOW
(Cfm)
AVAILABLE EXTERNAL STATIC PRESSURE (in. wg)
1.82.02.22.42.62.83.03.2
Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp
14,000 493 9.17 516 10.19 539 11.24 562 12.33 583 13.45 605 14.60 625 15.77 645 16.96
17,500 515 12.07 535 13.14 556 14.26 576 15.42 595 16.61 615 17.84 634 19.09 652 20.39
21,000 546 16.07 564 17.23 583 18.42 600 19.64 618 20.90 635 22.19 653 23.51 669 24.86
24,500 583 21.32 600 22.59 616 23.87 633 25.18 649 26.53 664 27.89 680 29.29 695 30.71
28,000 623 27.96 639 29.35 655 30.75 670 32.18 685 33.63 699 35.09
30,000 64832.4366333.9067835.38——————————
AIRFLOW
(Cfm)
AVAILABLE EXTERNAL STATIC PRESSURE (in. wg)
3.4 3.6 3.8 4.0
Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp
14,000 665 18.18 684 19.42 703 20.68 721 21.95
17,500 671 21.70 689 23.05 706 24.42 724 25.82
21,000 686 26.24 703 27.67 719 29.11 735 30.59
24,500 711 32.17 726 33.65 741 35.16
28,000 —————
30,000 —————
50ZN,Z3 units only.
Bhp — Brake Horsepower Kilowatts = Bhp x .746
Motor efficiency