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Table N — 48TCF*21 Horizontal Supply (17.5 tons)
CFM
AVAILABLE EXTERNAL STATIC PRESSURE (in. wg)
0.2 0.4 0.6 0.8 1.0
RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP
5250
568 1.78 635 2.35 695 2.96 750 3.61 801 4.29
5700 604 2.17 668 2.78 726 3.43 779 4.11 829 4.82
6150
642 2.63 702 3.27 758 3.95 809 4.67 857 5.42
6550 676 3.09 733 3.76 786 4.48 836 5.23 883 6.01
7000
714 3.67 769 4.38 820 5.14 868 5.92 913 6.74
7450 753 4.33 805 5.08 854 5.87 900 6.69 944 7.54
7900
792 5.06 841 5.85 888 6.68 933 7.54 — —
8300
827 5.78 874 6.61 920 7.47 — — — —
8750 867 6.69 912 7.55 — — — — — —
CFM
AVAILABLE EXTERNAL STATIC PRESSURE (in. wg)
1.2 1.4 1.6 1.8 2.0
RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP
5250
848 4.99 893 5.72 934 6.47 974 7.25 1012 8.05
5700
875 5.56 918 6.33 959 7.12 998 7.93 — —
6150 902 6.20 944 7.00 985 7.83 — — — —
6550
927 6.82 968 7.65 — — — — — —
7000
955 7.58 — — — — — — — —
7450 — — — — — — — — — —
7900 — — — — — — — — — —
8300 — — — — — — — — — —
8750 — — — — — — — — — —
Standard static: 622-822 rpm, 3.7 max BHP
Medium static: 713-879 rpm, 4.9 max BHP
High static: 835-1021 rpm
Voltage: 208v / 230v / 460v / 575v
Max BHP: 6.5 / 6.9 / 7.0 / 8.3
Operation point is covered by high static. Confirm max BHP
coverage based on unit voltage selected.
APPENDIX C — FAN PERFORMANCE
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