Blower Data - Belt Drive - Kca072, Kcb072 & 074 - Downflow - Lennox KGB024 Installation Instructions Manual

BLOWER DATA - BELT DRIVE - KCA072, KCB072 & 074 - DOWNFLOW
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 (economizer, wet coil, etc.) See page 41.
2 - Any field installed accessories air resistance (electric heat, duct resistance, diffuser, etc.) See page 41.
See pagepage 41 for blower motors and drives and wet coil and options/accessory air resistance data.
Air
0.10
Volume
RPM BHP RPM
cfm
1900 826 0.36 859
2000 857 0.42 889
2100 878 0.49 909
2200 897 0.55 929
2300 918 0.62 950
2400 941 0.70 974
2500 966 0.79 1000
2600 994 0.90 1028
2700 1023 1.01 1057
2800 1053 1.13 1088
2900 1085 1.26 1119
Air
0.90
Volume
RPM BHP RPM
cfm
1900 1109 0.75 1146
2000 1128 0.82 1164
2100 1148 0.89 1185
2200 1170 0.97 1206
2300 1193 1.06 1228
2400 1216 1.15 1250
2500 1240 1.24 1273
2600 1265 1.34 1296
2700 1291 1.46 1321
2800 1317 1.58 1346
2900 1343 1.72 1371
External Static - in. w.g.
0.20 0.30
BHP RPM BHP RPM
Field Furnished
0.41 894 0.45 928
0.47 920 0.52 952
0.54 940 0.59 973
0.61 961 0.66 994
0.68 983 0.74 1017
0.77 1008 0.83 1042
0.86 1034 0.93 1068
0.97 1062 1.04 1096
1.08 1091 1.15 1125
1.21 1122 1.27 1155
1.33 1153 1.40 1186
External Static - in. w.g.
1.00 1.10
BHP RPM BHP RPM
Drive Kit A04
0.79 1183 0.82 1221
0.86 1201 0.89 1239
0.93 1221 0.97 1258
1.01 1242 1.05 1277
1.09 1262 1.14 1295
1.19 1282 1.24 1313
1.29 1302 1.36 1331
1.40 1324 1.47 1352
1.52 1347 1.60 1374
1.66 1372 1.74 1399
1.80 1397 1.88 1424
0.40 0.50
BHP RPM BHP RPM
0.50 964 0.56 1000
0.57 986 0.62 1020
0.64 1006 0.70 1041
0.72 1028 0.78 1063
0.80 1052 0.86 1087
0.90 1077 0.96 1111
1.00 1103 1.06 1137
1.10 1130 1.16 1164
1.22 1159 1.27 1192
1.33 1188 1.39 1221
1.45 1218 1.51 1250
1.20 1.30
BHP RPM BHP RPM
0.86 1260 0.90 1294
0.93 1276 0.97 1310
1.01 1294 1.05 1325
1.09 1311 1.14 1341
1.19 1327 1.24 1355
1.30 1343 1.36 1371
1.42 1360 1.48 1388
1.54 1381 1.60 1408
1.67 1403 1.72 1429
1.80 1426 1.85 1451
1.95 1450 1.99 1475
Page 37
0.60 0.70
BHP RPM BHP RPM
Drive Kit A04
0.61 1036 0.66 1072
0.68 1055 0.73 1091
0.75 1076 0.80 1112
0.83 1099 0.89 1134
0.92 1122 0.97 1157
1.01 1146 1.06 1181
1.11 1171 1.16 1205
1.21 1197 1.26 1231
1.32 1225 1.37 1258
1.43 1253 1.48 1286
1.55 1281 1.61 1313
1.40 1.50
BHP RPM BHP RPM
0.94 1323 0.98 1349
1.01 1336 1.06 1362
1.09 1351 1.14 1376
1.18 1365 1.23 1390
1.29 1380 1.33 1406
1.40 1396 1.44 1423
1.52 1414 1.55 1441
1.64 1434 1.67 1460
1.76 1455 1.79 1481
1.89 1477 1.92 1503
2.02 1500 2.05 1526
0.80
BHP
0.70
0.77
0.85
0.93
1.02
1.11
1.20
1.30
1.41
1.53
1.66
1.60
BHP
Kit A08
1.02
1.10
1.19
1.28
1.37
1.48
1.58
1.70
1.82
1.95
2.08