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AIR DELIVERY — 558D036-150 HORIZONTAL DISCHARGE UNITS (cont)
558D090 (7
1
⁄
2
TON)
Airflow
(Cfm)
Standard Belt-Drive Motor
External Static Pressure (in. wg)
0.2 0.4 0.6 0.8 1.0
Rpm Bhp Watts Rpm Bhp Watts Rpm Bhp Watts Rpm Bhp Watts Rpm Bhp Watts
2250 465 0.43 473 554 0.64 630 630 0.86 803 695 1.09 989 757 1.34 1199
2300 471 0.45 487 559 0.66 646 635 0.89 827 699 1.12 1014 760 1.37 1224
2400 482 0.50 524 569 0.71 684 645 0.95 875 708 1.18 1064 768 1.44 1284
2500 494 0.54 554 581 0.76 723 654 1.01 924 717 1.25 1123 776 1.51 1344
2550 501 0.57 577 587 0.79 747 659 1.05 956 722 1.29 1156 780 1.55 1378
2660 507 0.59 592 592 0.82 771 663 1.08 981 727 1.32 1182 784 1.58 1404
2700 520 0.65 638 604 0.89 827 672 1.14 1031 737 1.40 1250 793 1.66 1473
2800 533 0.71 684 615 0.95 875 683 1.20 1081 747 1.49 1327 802 1.75 1552
2900 546 0.77 731 626 1.02 932 693 1.27 1140 756 1.57 1396 813 1.84 1630
3000 559 0.83 779 637 1.09 989 704 1.35 1207 765 1.66 1473 823 1.94 1718
3100 572 0.90 835 648 1.17 1056 715 1.43 1275 775 1.74 1543 832 2.05 1814
3200 585 0.96 883 660 1.24 1114 727 1.52 1353 785 1.83 1321 841 2.15 1901
3300 598 1.03 940 671 1.32 1182 739 1.62 1439 795 1.91 1691 851 2.26 1997
3400 610 1.10 998 682 1.41 1258 750 1.72 1526 806 2.01 1779 860 2.36 2084
3500 623 1.17 1056 694 1.50 1335 761 1.82 1613 817 2.11 1866 870 2.47 2180
3600 636 1.25 1123 707 1.60 1422 772 1.93 1709 828 2.23 1971 880 2.57 2266
3700 649 1.33 1190 720 1.71 1517 783 2.03 1796 840 2.35 2076 890 2.69 2369
3750 655 1.37 1224 727 1.77 1569 789 2.09 1849 846 2.42 2136 896 2.75 2420
558D090 (7
1
⁄
2
TON) (cont)
Airflow
(Cfm)
Standard Belt-Drive Motor
External Static Pressure (in. wg)
1.2 1.4 1.6 1.8 2.0
Rpm Bhp Watts Rpm Bhp Watts Rpm Bhp Watts Rpm Bhp Watts Rpm Bhp Watts
2250 810 1.62 1439 850 1.91 1691 873 2.20 1945 863 2.50 2206 855 2.78 2445
2300 816 1.65 1465 859 1.94 1718 888 2.24 1980 897 2.55 2249 887 2.85 2504
2400 824 1.72 1526 872 2.01 1779 909 2.32 2050 931 2.64 2326 935 2.96 2595
2500 832 1.79 1587 882 2.09 1849 925 2.40 2119 955 2.72 2394 972 3.06 2678
2550 836 1.83 1621 887 2.13 1884 931 2.45 2162 964 2.77 2436 986 3.11 2718
2660 839 1.87 1656 891 2.17 1919 936 2.49 2197 973 2.82 2479 999 3.16 2759
2700 846 1.95 1726 898 2.26 1997 946 2.58 2275 987 2.91 2554 1019 3.26 2839
2800 855 2.04 1805 906 2.35 2076 954 2.67 2352 997 3.01 2637 1034 3.36 2917
2900 863 2.13 1884 913 2.44 2154 961 2.77 2436 1006 3.12 2727 — — —
3000 872 2.22 1962 921 2.54 2240 969 2.88 2529 1014 3.22 2807 — — —
3100 882 2.33 2058 930 2.65 2335 976 2.99 2620 1021 3.34 2902 — — —
3200 892 2.45 2162 939 2.76 2428 984 3.10 2710 — — — — — —
3300 902 2.57 2266 948 2.88 2529 993 3.21 2799 — — — — — —
3400 912 2.69 2369 958 3.01 2637 1002 3.34 2902 — — — — — —
3500 921 2.82 2479 968 3.15 2751 — — — — — — — — —
3600 930 2.95 2587 978 3.29 2862 — — — — — — — — —
3700 940 3.07 2686 — — — — — — — — — — — —
3750 945 3.14 2743 — — — — — — — — — — — —
LEGEND
Bhp — Brake Horsepower Input to Fan
FIOP — Factory-Installed Option
Watts — Input Watts to Motor
NOTES:
1. Boldface indicates a field-supplied drive is required. (See Note 9.)
2. indicates alternate drive is required.
3. indicates field-supplied motor and drive are required.
4.
indicates maximum usable bhp/watts of standard drive.
5.
indicates maximum usable bhp/watts of alternate drive.
6. Maximum usable watts input is 2120 and maximum continuous bhp
is 2.40. Extensive motor and electrical testing on these units
ensures that the full range of the motor can be utilized with confi-
dence. Using your fan motors up to the wattage ratings shown will
not result in nuisance tripping or premature motor failure. Unit war-
ranty will not be affected. For additional information on motor per-
formance, refer to Evaporator-Fan Motor Performance table on
page 62.
7. Values include losses for filters, unit casing, and wet coils. See
page 47 for accessory/FIOP static pressure information.
8. Use of a field-supplied motor may affect wire sizing. Contact your
local representative for details.
9. Standard drive range: 590 to 840 rpm. Alternate drive range: 685 to
935 rpm. All other rpms require field-supplied drive.
10. Interpolation is permissible. Do not extrapolate.
11. Minimum allowable cfm is 300 cfm/ton.
38