78
Boldface indicates an alternated standard static drive package is
required.
UNDERSCORE
indicates operation point covered by mid static drive.
Confirm max BHP coverage based on the unit voltage.
NOTE: Fan tables include highest gas heat.
Table G — 581J 24 Horizontal Supply (20 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
6000 633 1.92
700 2.44 759 2.98 812 3.53 861 4.10
6500 674 2.34
738 2.90 795 3.48 847 4.07 894 4.67
7000
715 2.83 776 3.43 831 4.05 882 4.67 928 5.31
7500
757 3.39 816 4.03 869 4.68 917 5.35 963 6.03
8000
800 4.02 856 4.70 907 5.39 954 6.10 998 6.81
8500 843 4.73 896 5.45 945 6.18 991 6.93 1034 7.68
9000
886 5.52 937 6.28 984 7.06 1029 7.84 1071 8.63
9500
929 6.40 978 7.21 1024 8.02 1067 8.84 ——
10000
973 7.38 1020 8.22 1064 9.08 ————
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
6000
907 4.68 949 5.27 990 5.88 1028 6.50 1064 7.13
6500
939 5.29 981 5.92 1020 6.56 1058 7.21 1094 7.88
7000
972 5.97 1013 6.63 1052 7.31 1089 8.00 ——
7500
1005 6.72 1046 7.42 1084 8.13 ————
8000
1040 7.54 1079 8.28 ——————
8500
1075 8.45 ————————
9000 ——————————
9500 ——————————
10000 ——————————
Standard static 690-863 RPM
Voltage 208v / 230v / 460v / 575v
Max BHP 6.5 / 6.9 / 7.0 / 8.3
Medium static 835-1021 RPM
Voltage 208v / 230v / 460v / 575v
Max BHP 6.5 / 6.9 / 7.0 / 8.3
High static 941-1100 RPM
Voltage 208v / 230v / 460v / 575v
Max BHP 10.5 / 11.9 / 11.9 / 11.0
APPENDIX C — FAN PERFORMANCE