18

Table 13 — Fan Performance — 50ZG,ZN050 Units With Discharge Plenum and 50Z2,Z3050 Units

LEGEND
NOTES:
1. Fan performance is based on wet coils and clean 2-in. filters.
2. See Table 30A 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
9,000 324 2.15 369 2.67 412 3.23 452 3.83 488 4.44 523 5.08 556 5.73 587 6.40
10,000 349 2.74 392 3.28 431 3.87 469 4.48 504 5.12 537 5.78 569 6.46 599 7.16
12,000 403 4.23 439 4.82 474 5.45 507 6.11 539 6.80 570 7.51 599 8.23 627 8.98
14,000 459 6.17 490 6.83 521 7.50 550 8.20 579 8.93 607 9.69 634 10.46 660 11.25
16,000 515 8.63 544 9.34 571 10.07 597 10.82 623 11.59 649 12.38 674 13.20 698 14.03
18,000 573 11.65 599 12.44 623 13.21 647 14.00 671 14.82 694 15.65 716 16.50 739 17.37
20,000 630 15.28 654 16.14 677 16.97 699 17.81 720 18.66 741 19.53 762 20.43 783 21.34
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
9,000 617 7.08 645 7.77 672 8.47 698 9.18 723 9.90 747 10.62 770 11.34 793 12.07
10,000 628 7.87 656 8.59 682 9.33 708 10.07 733 10.82 757 11.58 780 12.35 802 13.12
12,000 654 9.74 680 10.51 706 11.30 730 12.10 754 12.90 778 13.73 800 14.56 822 15.39
14,000 686 12.06 710 12.88 734 13.71 757 14.55 780 15.41 802 16.27 824 17.15 845 18.04
16,000 721 14.88 744 15.74 767 16.62 789 17.51 810 18.41 831 19.32 852 20.24 872 21.17
18,000 761 18.27 782 19.17 803 20.09 824 21.02 844 21.96 864 22.92 884 23.88
20,000 80322.2782323.21————————————
AIRFLOW
(Cfm)
AVAILABLE EXTERNAL STATIC PRESSURE (in. wg)
3.4 3.6 3.8 4.0
Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp
9,000 814 12.79 835 13.52 855 14.25 875 14.99
10,000 824 13.89 845 14.67 866 15.45 886 16.23
12,000 844 16.24 865 17.09 885 17.95 — —
14,000 866 18.94 886 19.85
16,000 892 22.12 — — — — —
18,000 ———————
20,000 ———————
50ZN,Z3 units only.
Bhp — Brake Horsepower Kilowatts = Bhp x .746
Motor efficiency