Lennox KHC092

Page 12
BLOWER DATA
KHC092, 102, 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, di󰀨user, etc.)
Then determine from blower table blower motor output required.
See page 13 for blower motors and drives.
See page 13 for wet coil and option/accessory air resistance data.
MINIMUM AIR VOLUME REQUIRED FOR USE WITH OPTIONAL ELECTRIC HEAT (Maximum Static Pressure - 2.0 in. w.g.)
7.5kW, 15 kW, 22.5 kW, 30 kW and 45 kW - 2800 cfm
60 kW - 4000 cfm
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 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
1750 480 0.19 548 0.39 618 0.57 689 0.70 758 0.81 824 0.92 885 1.07 941 1.23 992 1.40 1039 1.55 1084 1.70 1128 1.85 1156 2.08
2000 492 0.27 560 0.47 629 0.64 700 0.77 768 0.88 832 1.00 892 1.16 946 1.32 995 1.48 1041 1.65 1085 1.81 1127 1.97 1160 2.13
2250 505 0.35 573 0.55 643 0.72 713 0.85 780 0.97 842 1.10 900 1.25 952 1.42 999 1.59 1044 1.76 1087 1.93 1127 2.10 1164 2.27
2500 520 0.45 588 0.64 658 0.81 727 0.94 793 1.07 853 1.21 909 1.37 959 1.54 1005 1.71 1048 1.89 1089 2.07 1127 2.25 1166 2.42
2750 536 0.55 604 0.74 674 0.91 743 1.05 806 1.19 865 1.34 919 1.50 968 1.67 1012 1.86 1053 2.04 1092 2.23 1129 2.41 1167 2.60
3000 553 0.66 622 0.85 692 1.02 760 1.17 821 1.32 878 1.48 930 1.64 977 1.83 1020 2.02 1059 2.21 1096 2.41 1133 2.60 1170 2.79
3250 572 0.77 641 0.98 712 1.15 778 1.32 837 1.48 892 1.64 942 1.81 988 2.00 1028 2.20 1066 2.41 1102 2.61 1138 2.81 1174 3.01
3500 592 0.90 663 1.12 733 1.31 798 1.48 854 1.65 907 1.82 955 1.99 999 2.19 1038 2.41 1074 2.63 1109 2.84 1144 3.04 1180 3.24
3750 614 1.04 687 1.28 756 1.48 818 1.66 872 1.83 922 2.01 969 2.19 1010 2.41 1048 2.64 1084 2.87 1118 3.09 1152 3.29 1188 3.50
4000 639 1.22 712 1.47 780 1.67 838 1.85 890 2.03 939 2.22 983 2.42 1023 2.65 1060 2.90 1095 3.14 1128 3.36 1162 3.57 1198 3.77
4250 666 1.42 740 1.68 804 1.88 859 2.06 909 2.25 956 2.45 998 2.67 1036 2.92 1072 3.18 1106 3.42 1139 3.65 1172 3.86 1208 4.07
4500 697 1.65 769 1.91 829 2.10 881 2.28 929 2.48 973 2.71 1013 2.95 1050 3.22 1085 3.48 1118 3.73 1151 3.96 1184 4.17 1221 4.39
4750 729 1.91 798 2.15 854 2.34 903 2.53 948 2.75 991 3.00 1030 3.27 1065 3.55 1099 3.81 1132 4.06 1164 4.29 1198 4.51 1235 4.74
5000 763 2.18 826 2.41 878 2.60 925 2.81 968 3.05 1009 3.33 1046 3.61 1081 3.90 1114 4.17 1146 4.42 1178 4.65 1212 4.87 1250 5.09
5250 797 2.47 854 2.69 903 2.90 947 3.12 989 3.39 1028 3.69 1064 3.99 1098 4.28 1130 4.55 1162 4.80 1194 5.02 1228 5.24 1266 5.47
5500 830 2.78 882 3.00 927 3.22 969 3.48 1010 3.77 1047 4.09 1083 4.40 1116 4.69 1147 4.96 1179 5.20 1211 5.42 1246 5.63 - - - - - -
5750 861 3.11 908 3.34 951 3.58 992 3.87 1031 4.19 1068 4.52 1102 4.84 1134 5.12 1165 5.38 1196 5.61 - - - - - - - - - - - - - - - - - -
6000 890 3.45 935 3.71 976 3.98 1016 4.31 1053 4.65 1089 4.99 1122 5.30 1153 5.58 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
6250 918 3.84 961 4.12 1001 4.43 1040 4.79 1076 5.14 1110 5.48 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -