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BLOWER DATA
120 BELT DRIVE BLOWER − BASE UNIT
BLOWER TABLE INCLUDES RESISTANCE FOR BASE UNIT ONLY (NO HEAT SECTION) WITH DRY INDOOR COIL AND AIR
FILTERS IN PLACE. FOR ALL UNITS ADD:
1 − Wet indoor coil air resistance of selected unit.
2 − Any factory installed options air resistance (heat section, economizer, etc.)
3 − Any eld installed accessories air resistance (duct resistance, diffuser, etc.)
Then determine from blower table blower motor output required.
See page 10 for blower motors and drives.
See page 10 for wet coil and option/accessory air resistance data.
MAXIMUM STATIC PRESSURE WITH GAS HEAT - 2.0 in. w.g.
Total
Air
Volume
cfm
Total Static Pressure − in. w.g.
0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 2.2 2.4 2.6
RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP
3000 - - - - - - 677 0.24 719 0.55 764 0.87 813 1.18 866 1.45 920 1.67 975 1.82 1026 1.96 1076 2.13 1126 2.35 1176 2.63 1225 2.92
3250 650 0.14 688 0.43 730 0.73 775 1.04 823 1.34 875 1.60 930 1.81 985 1.97 1036 2.12 1086 2.31 1136 2.54 1186 2.83 1235 3.13
3500 663 0.35 700 0.63 741 0.92 786 1.22 834 1.5 886 1.76 942 1.96 997 2.14 1048 2.31 1097 2.51 1147 2.75 1196 3.04 1245 3.35
3750 676 0.57 714 0.84 754 1.12 798 1.41 846 1.68 899 1.93 956 2.14 1010 2.32 1060 2.51 1109 2.72 1158 2.98 1207 3.27 1255 3.58
4000 691 0.79 728 1.05 768 1.33 812 1.61 860 1.88 914 2.12 971 2.34 1023 2.53 1072 2.73 1121 2.95 1169 3.22 1218 3.51 1266 3.83
4250 706 1.03 743 1.28 783 1.55 827 1.82 876 2.09 931 2.33 987 2.55 1037 2.76 1085 2.97 1133 3.20 1181 3.47 1229 3.76 1277 4.08
4500 722 1.27 759 1.52 799 1.78 844 2.05 894 2.31 949 2.56 1003 2.79 1052 3.00 1098 3.22 1145 3.46 1193 3.73 1241 4.03 1289 4.34
4750 739 1.53 776 1.77 817 2.03 862 2.30 913 2.56 968 2.81 1020 3.04 1066 3.27 1112 3.49 1158 3.74 1205 4.01 1253 4.30 1301 4.61
5000 757 1.79 794 2.04 835 2.30 882 2.56 934 2.83 988 3.08 1036 3.32 1081 3.55 1125 3.78 1171 4.02 1218 4.29 1265 4.59 1312 4.89