Bryant 548D Heat Pump User Manual


 
26
Table 12 Fan Performance 548D102 Horizontal Discharge Units
LEGEND
NOTES:
1.
Boldface
indicates field-supplied drive is required. (See Note 6.)
2. indicates field-supplied motor and drive are required.
3. 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
confidence. Using your fan motors up to the wattage ratings shown
will not result in nuisance tripping or premature motor failure. Unit
warranty will not be affected.
4. Values include losses for filters, unit casing, and wet coils.
5. Use of a field-supplied motor may affect wire sizing. Contact your
representative to verify.
6. Standard motor drive range: 685 to 935 rpm. All other rpms
require field-supplied drive.
7. Interpolation is permissible. Do not extrapolate.
STANDARD MOTOR (BELT DRIVE)
Airflow
(Cfm)
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
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
3800 661 1.41 1258
733 1.82 1613 795 2.15 1901
852 2.48 2188 901 2.80 2462
3900 674 1.49 1327
746 1.93 1709 806 2.26 1997
863 2.61 2300 912 2.93 2571
4000
687 1.57 1396 759 2.05 1814 817 2.38 2102
874 2.75 2420 923 3.08 2694
4100
699 1.60 1473 772 2.17 1919
828 2.50 2206 885 2.88 2529 935 3.23 2815
4200
712 1.75 1552 785 2.30 2032
840 2.64 2326 897 3.03 2653 947 3.39 2940
4250
719 1.80 1595 792 2.37 2093
846 2.71 2386 903 3.10 2710 —— —
STANDARD MOTOR (BELT DRIVE) (cont)
Airflow
(Cfm)
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
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 —— —— — —— ——
3800
949 3.20 2781 —— —— — —— ——
3900
959 3.33 2894 —— —— — —— ——
4000
—— —— — —— —— ——
4100
—— —— — —— —— ——
4200
—— —— — —— —— ——
4250
—— —— — —— —— ——
Bhp
Brake Horsepower Input to Fan
Watts
Input Watts to Motor