17

Table 12 — Fan Performance — 50ZG,ZN040 Units With Discharge Plenum and 50Z2,Z3040 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
8,000 293 1.62 344 2.10 390 2.62 432 3.18 470 3.76 507 4.36 541 4.97 573 5.60
10,000 343 2.66 385 3.19 425 3.76 463 4.36 498 4.99 532 5.64 563 6.31 594 7.00
12,000 395 4.09 431 4.68 466 5.29 500 5.93 532 6.60 562 7.30 592 8.01 620 8.75
14,000 449 5.97 481 6.62 512 7.28 541 7.96 570 8.67 598 9.40 626 10.16 652 10.93
16,000 504 8.32 533 9.06 560 9.77 587 10.50 613 11.25 638 12.02 663 12.81 688 13.62
18,000 559 11.20 586 12.04 611 12.82 635 13.59 659 14.38 682 15.19 705 16.01 727 16.86
20,000 615 14.66 640 15.59 663 16.44 685 17.28 707 18.11 728 18.96 749 19.83 770 20.71
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
8,000 603 6.23 632 6.87 659 7.50 685 8.14 710 8.78 734 9.43 757 10.07 779 10.71
10,000 623 7.70 651 8.41 678 9.13 703 9.86 728 10.60 752 11.33 776 12.08 798 12.82
12,000 648 9.50 674 10.26 699 11.04 724 11.83 748 12.63 772 13.44 794 14.25 817 15.07
14,000 677 11.73 702 12.54 726 13.35 750 14.19 772 15.04 795 15.89 817 16.76 838 17.64
16,000 712 14.45 735 15.30 757 16.16 779 17.03 801 17.92 822 18.82 843 19.73 863 20.65
18,000 749 17.73 771 18.61 792 19.50 813 20.42 833 21.34 853 22.27 873 23.23
20,000 79021.6181122.5283023.45——————————
AIRFLOW
(Cfm)
AVAILABLE EXTERNAL STATIC PRESSURE (in. wg)
3.4 3.6 3.8 4.0
Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp
8,000 800 11.35 821 12.00 841 12.64 860 13.28
10,000 820 13.57 841 14.31 862 15.06 882 15.81
12,000 838 15.90 859 16.73 880 17.57 900 18.40
14,000 859 18.53 879 19.42 899 20.32
16,000 883 21.58 — — — — — —
18,000 ———————
20,000 ———————
50ZN,Z3 units only.
Bhp — Brake Horsepower Kilowatts = Bhp x .746
Motor efficiency