Lennox LCH074 User Manual

Page 37
BLOWER DATA - LCH BELT DRIVE - 5 TON - HIGH EFFICIENCY
BLOWER TABLE INCLUDES RESISTANCE FOR BASE UNIT ONLY WITH DRY INDOOR COIL AND AIR FILTERS IN PLACE.
FOR ALL UNITS ADD:
1 - Any factory installed options air resistance (heat section, economizer, etc.).
2 - Any eld installed accessories air resistance (duct resistance, diffuser, etc.).
See Page 45 for blower motors and drives and wet coil and options/accessory air resistance data.
HORIZONTAL
Air
Volume
(cfm)
External Static (in.w.g.)
0.10 0.20 0.30 0.40 0.50 0.60 0.70 0.80 0.9 1.0
RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP
1100 509 0.15 562 0.18 624 0.20 691 0.22 771 0.24 852 0.25 919 0.28 970 0.31 1010 0.35 1049 0.38
1200 535 0.18 589 0.21 650 0.23 715 0.25 792 0.27 869 0.29 932 0.32 980 0.35 1019 0.38 1058 0.42
1300 564 0.21 618 0.24 678 0.27 741 0.29 815 0.31 887 0.33 946 0.36 991 0.39 1030 0.43 1068 0.47
1400 604 0.24 657 0.27 715 0.30 775 0.33 842 0.35 908 0.37 962 0.40 1004 0.43 1042 0.47 1080 0.51
1500 656 0.26 706 0.30 760 0.33 814 0.36 874 0.39 931 0.41 979 0.45 1019 0.48 1056 0.53 1094 0.57
1600 712 0.29 758 0.32 807 0.36 855 0.39 906 0.43 955 0.46 997 0.50 1035 0.54 1071 0.58 1109 0.62
1700 766 0.32 808 0.36 850 0.40 892 0.44 936 0.47 978 0.51 1016 0.56 1052 0.60 1088 0.64 1126 0.68
1800 814 0.36 851 0.40 888 0.44 925 0.49 963 0.53 1000 0.57 1035 0.62 1071 0.66 1107 0.70 1143 0.74
1900 853 0.41 886 0.46 919 0.50 952 0.55 986 0.60 1021 0.64 1056 0.69 1091 0.73 1126 0.77 1163 0.81
2000 883 0.48 913 0.53 944 0.57 976 0.62 1009 0.67 1043 0.71 1078 0.76 1112 0.80 1148 0.84 1183 0.88
2100 906 0.56 936 0.60 967 0.65 999 0.70 1033 0.75 1067 0.79 1101 0.84 1135 0.88 1170 0.92 1206 0.96
2200 930 0.64 960 0.68 991 0.73 1024 0.78 1058 0.83 1092 0.88 1126 0.92 1160 0.96 1195 1.00 1230 1.04
2300 954 0.72 985 0.77 1017 0.82 1051 0.87 1085 0.92 1119 0.96 1152 1.00 1186 1.04 1220 1.08 1254 1.13
2400 981 0.81 1013 0.86 1046 0.91 1079 0.96 1113 1.00 1146 1.05 1180 1.09 1213 1.13 1245 1.18 1278 1.22
Air
Volume
(cfm)
External Static (in.w.g.)
1.1 1.2 1.3 1.4 1.5 1.6 1.7 1.8 1.9 2.0
RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP
1100 1091 0.42 1134 0.45 1176 0.48 1218 0.51 1258 0.54 1297 0.57 1335 0.59 - - - - - - - - - - - - - - - - - -
1200 1099 0.46
1141 0.49 1182 0.52 1223 0.55 1263 0.58 1302 0.61 1339 0.64 1376 0.67 1410 0.70 1444 0.72
1300 1108 0.50 1149 0.53 1190 0.56 1230 0.59 1270 0.63 1308 0.66 1345 0.70 1381 0.73 1415 0.75 1449 0.78
1400 1120 0.55 1160 0.58 1200 0.61 1240 0.65 1278 0.68 1315 0.72 1352 0.75 1387 0.78 1421 0.81 1454 0.84
1500 1133 0.60 1172 0.63 1212 0.67 1250 0.70 1288 0.74 1324 0.77 1360 0.81 1394 0.84 1428 0.87 1460 0.90
1600 1147 0.66 1186 0.69 1225 0.72 1263 0.76 1299 0.80 1334 0.83 1369 0.87 1402 0.90 1435 0.94 1467 0.96
1700 1164 0.72 1202 0.75 1240 0.78 1276 0.82 1311 0.86 1345 0.90 1379 0.93 1411 0.97 1443 1.00 1475 1.03
1800 1181 0.78 1219 0.81 1256 0.85 1291 0.89 1324 0.93 1357 0.97 1390 1.00 1421 1.04 1453 1.07 1483 1.10
1900 1200 0.85 1237 0.88 1273 0.92 1306 0.96 1339 1.00 1371 1.04 1402 1.08 1433 1.11 1463 1.15 1493 1.18
2000 1220 0.92 1257 0.96 1291 1.00 1323 1.04 1354 1.08 1385 1.12 1416 1.16 1446 1.20 1476 1.23 1505 1.26
2100 1242 1.00 1277 1.04 1310 1.08 1340 1.13 1371 1.17 1401 1.21 1431 1.25 1460 1.29 1489 1.32 1519 1.36
2200 1265 1.08 1299 1.13 1330 1.18 1359 1.23 1388 1.27 1418 1.31 1447 1.35 1476 1.39 1504 1.42 1533 1.45
2300 1288 1.17 1320 1.23 1350 1.28 1378 1.34 1406 1.38 1435 1.42 1464 1.46 1492 1.50 1521 1.53 1549 1.56
2400 1311 1.28 1341 1.33 1370 1.40 1397 1.45 1425 1.50 1454 1.54 1482 1.57 1510 1.61 1538 1.64 1567 1.67

Lennox LCH074 Specifications

General

Brand	Lennox
Model	LCH074
Category	Accessories
Language	English