Lennox ZGB Series Unit Information page 15

BLOWER DATA - 4 TON BELT D RIVE - THREE P H ASE
ZGB048S4B - BASE UNIT
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, wet coil, etc.).
2 - Any field installed accessories air resistance (duct resistance, diffuser, etc.).
See page 29 for blower motors and drives and wet coil and options/accessory air resistance data.
DOWNFLOW
Air
Volume 0.10
cfm
RPM BHP RPM
1200 660 0.23
1300 695 0.26
1400 734 0.30
1500 775 0.34
1600 817 0.39
1700 859 0.44
1800 902 0.49
1900 944 0.56
2000 986 0.63 1035
Air
Volume 0.90
cfm
RPM BHP RPM
1200 1123 0.45 1167
1300 1143 0.50 1186
1400 1165 0.56 1206
1500 1188 0.62 1229
1600 1213 0.69 1252
1700 1239 0.76 1278
1800 1266 0.83 1304
1900 1294 0.92 1332
2000 1324 1.02 1360
HORIZONTAL
Air
Volume 0.10
cfm
RPM BHP RPM
1200 656 0.21
1300 691 0.25
1400 731 0.29
1500 773 0.34
1600 817 0.39
1700 861 0.45
1800 904 0.51
1900 946 0.57
2000 988 0.64 1035
Air
Volume 0.90
cfm
RPM BHP RPM
1200 1118 0.46 1163
1300 1137 0.51 1181
1400 1158 0.56 1200
1500 1180 0.61 1222
1600 1204 0.68 1245
1700 1229 0.75 1269
1800 1256 0.83 1295
1900 1283 0.92 1322
2000 1312 1.02 1350
0.20 0.30
BHP RPM BHP
727 0.25 794 0.27
761 0.28 827 0.31
799 0.32 862 0.35
837 0.37 898 0.40
877 0.42 935 0.45
917 0.47 972 0.50
957 0.53 1008 0.56
996 0.59 1045 0.63
0.67 1083 0.71
1.00 1.10
BHP RPM BHP
0.48 1210 0.51
0.54 1228 0.57
0.59 1247 0.63
0.66 1269 0.69
0.73 1292 0.77
0.80 1316 0.84
0.88 1342 0.93
0.97 1369 1.02
1.07 1396 1.13
0.20 0.30
BHP RPM BHP
726 0.24 794 0.27
761 0.28 827 0.31
798 0.32 862 0.35
838 0.37 898 0.40
878 0.42 934 0.46
918 0.48 970 0.51
957 0.54 1006 0.57
996 0.61 1042 0.64
0.68 1079 0.72
1.00 1.10
BHP RPM BHP
0.48 1208 0.51
0.53 1224 0.57
0.59 1242 0.62
0.65 1263 0.69
0.72 1285 0.76
0.79 1309 0.84
0.88 1334 0.93
0.97 1360 1.03
1.07 1387 1.13
External Static - in. w.g.
0.40 0.50
RPM BHP RPM BHP
859 0.29 921 0.32
890 0.33 949 0.37
923 0.38 978 0.41
955 0.43 1009 0.46
989 0.48 1040 0.52
1023 0.54 1071 0.58
1057 0.60 1103 0.64
1092 0.68 1136 0.72
1127 0.76 1170 0.81
External Static - in. w.g.
1.20 1.30
RPM BHP RPM BHP
1251 0.55 1291 0.58
1268 0.60 1308 0.64
1287 0.67 1326 0.70
1308 0.73 1346 0.77
1330 0.81 1367 0.85
1354 0.89 1390 0.93
1378 0.98 1414 1.02
1404 1.07 1439 1.12
1431 1.18 1465 1.23
External Static - in. w.g.
0.40 0.50
RPM BHP RPM BHP
858 0.30 918 0.33
889 0.34 945 0.38
920 0.39 974 0.42
952 0.44 1004 0.47
985 0.49 1034 0.53
1018 0.55 1065 0.58
1052 0.61 1096 0.65
1086 0.68 1128 0.72
1120 0.76 1161 0.81
External Static - in. w.g.
1.20 1.30
RPM BHP RPM BHP
1251 0.54 1293 0.58
1267 0.60 1309 0.63
1284 0.66 1326 0.70
1304 0.73 1345 0.77
1325 0.80 1366 0.85
1348 0.89 1388 0.94
1373 0.98 1412 1.04
1398 1.09 1436 1.15
1424 1.20 1461 1.26
Page 15
0.60 0.70
RPM BHP RPM BHP
977 0.36 1029 0.39
1003 0.40 1053 0.44
1030 0.45 1078 0.49
1058 0.50 1104 0.54
1087 0.56 1131 0.60
1117 0.62 1159 0.67
1147 0.69 1188 0.74
1178 0.77 1218 0.82
1210 0.86 1249 0.91
1.40 1.50
RPM BHP RPM BHP
1330 0.62 1367 0.66
1346 0.68 1382 0.72
1363 0.75 1399 0.79
1382 0.82 1418 0.86
1403 0.89 1438 0.94
1425 0.98 1459 1.02
1448 1.07 1481 1.12
1472 1.17 1504 1.21
1497 1.27 1529 1.32
0.60 0.70
RPM BHP RPM BHP
973 0.37 1024 0.40
998 0.41 1047 0.45
1024 0.46 1071 0.49
1051 0.51 1096 0.55
1080 0.56 1123 0.60
1108 0.62 1150 0.66
1138 0.69 1178 0.73
1168 0.76 1207 0.81
1199 0.85 1237 0.90
1.40 1.50
RPM BHP RPM BHP
1334 0.61 1375 0.64
1350 0.67 1391 0.71
1367 0.74 1407 0.79
1386 0.82 1427 0.87
1406 0.90 1447 0.96
1428 1.00 1468 1.06
1451 1.10 1490 1.16
1474 1.21 1511 1.27
1498 1.32 1535 1.38
0.80
RPM BHP
1077 0.42
1099 0.47
1122 0.53
1147 0.58
1173 0.65
1199 0.71
1227 0.79
1257 0.87
1287 0.97
1.60
RPM BHP
1403 0.70
1418 0.76
1435 0.83
1453 0.90
1472 0.98
1492 1.07
1514 1.16
1536 1.26
1560 1.37
0.80
RPM BHP
1072 0.43
1093 0.48
1115 0.53
1139 0.58
1164 0.64
1190 0.70
1217 0.78
1245 0.86
1275 0.96
1.60
RPM BHP
1414 0.68
1432 0.75
1448 0.83
1467 0.92
1487 1.02
1508 1.12
1529 1.23
1549 1.34
1571 1.45