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PERFORMANCE DATA (cont)
FAN PERFORMANCE — HORIZONTAL DISCHARGE UNITS (cont)
LEGEND
Refer to page 87 for general Fan Performance notes.
NOTES:
1.
Boldface
indicates a field-supplied drive is required. (See Note 4.)
2. indicates field-supplied motor and drive are required.
3. Maximum continuous bhp is 1.80.
4. Standard motor drive range: 1020 to 1460 rpm. All other rpms require field-
supplied drive.
LEGEND
Refer to page 87 for general Fan Performance notes.
NOTES:
1.
Boldface
indicates a field-supplied drive is required. (See Note 4.)
2. indicates field-supplied motor and drive are required.
3. Maximum continuous bhp is 2.40.
4. Standard motor drive range: 1120 to 1585 rpm. All other rpms require field-
supplied drive.
549B060 (5 TONS) — STANDARD MOTOR (BELT DRIVE)
Airflow
(Cfm)
External Static Pressure (in. wg)
0.1 0.2 0.4 0.6 0.8
Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp
1500 665 0.31 729 0.35 843 0.47 940 0.60
1026 0.74
1600 703 0.36 763 0.40 872 0.53 965 0.66
1049 0.81
1700 741 0.40 801 0.47 902 0.60 993 0.75
1077 0.89
1800 765 0.45 821 0.51 923 0.65 1019 0.81
1099 0.96
1900 802 0.45 854 0.58 953 0.73
1046 0.90 1126 1.06
2000 840 0.60 888 0.66 984 0.82
1073 0.99 1154 1.16
2100 878 0.69 923 0.75 1015 0.91
1101 1.08 1182 1.27
2200 916 0.78 958 0.85
1046 1.01 1129 1.19 1209 1.39
2300 954 0.89 993 0.96
1079 1.13 1160 1.31 1237 1.51
2400 993 1.00
1029 1.07 1112 1.25 1190 1.43 1264 1.63
2500
1031 1.13 1066 1.20 1145 1.39 1220 1.57 1292 1.77
549B060 (5 TONS) — STANDARD MOTOR (BELT DRIVE) (cont)
Airflow
(Cfm)
External Static Pressure (in. wg)
1.0 1.2 1.4 1.6
Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp
1500
1108 0.89 1187 1.06 1202 1.18 1079 1.10
1600
1130 0.97 1206 1.14 1275 1.32 1281 1.44
1700
1152 1.05 1226 1.23 1298 1.41 1359 1.60
1800
1178 1.14 1249 1.32 1316 1.52 1382 1.72
1900
1201 1.23 1274 1.43 1338 1.62
1402 1.83
2000
1226 1.33 1297 1.53 1363 1.73
1424 1.94
2100
1252 1.45 1320 1.64
1388 1.85 1448 2.07
2200
1280 1.58 1345 1.77
1410 1.97 1473 2.20
2300
1309 1.71
1372 1.91 1434 2.11 1496 2.34
2400
1336 1.85 1400 2.06 1459 2.26 1519 2.48
2500
1363 2.00 1428 2.22 1486 2.43 1543 2.65
Bhp —
Brake Horsepower Input to Fan
549B072 (6 TONS) — STANDARD MOTOR (BELT DRIVE)
Airflow
(Cfm)
External Static Pressure (in. wg)
0.1 0.2 0.4 0.6 0.8
Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp
1800 765 0.45 821 0.51 923 0.65 1019 0.81 1099 0.96
1900 802 0.45 854 0.58 953 0.73 1046 0.90
1126 1.06
2000 840 0.60 888 0.66 984 0.82 1073 0.99
1154 1.16
2100 878 0.69 923 0.75 1015 0.91 1101 1.08
1182 1.27
2200 916 0.78 958 0.85 1046 1.01
1129 1.19 1209 1.39
2300 954 0.89 993 0.96 1079 1.13
1160 1.31 1237 1.51
2400 993 1.00 1029 1.07 1112 1.25
1190 1.43 1264 1.63
2500 1031 1.13 1066 1.20
1145 1.39 1220 1.57 1292 1.77
2600 1070 1.26 1103 1.34
1179 1.52 1251 1.71 1322 1.92
2700 1109 1.41
1140 1.48 1212 1.67 1283 1.87 1352 2.09
2800
1148 1.57 1177 1.64 1246 1.83 1316 2.04 1383 2.26
2900
1188 1.74 1215 1.81 1281 2.00 1349 2.22
1413 2.44
3000
1227 1.92 1253 2.00 1316 2.19
1382 2.42 1444 2.63
549B072 (6 TONS) — STANDARD MOTOR (BELT DRIVE) (cont)
Airflow
(Cfm)
External Static Pressure (in. wg)
1.0 1.2 1.4 1.6
Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp
1800
1178 1.14 1249 1.32 1316 1.52 1382 1.72
1900
1201 1.23 1274 1.43 1338 1.62 1402 1.83
2000
1226 1.33 1297 1.53 1363 1.73 1424 1.94
2100
1252 1.45 1320 1.64 1388 1.85 1448 2.07
2200
1280 1.58 1345 1.77 1410 1.97 1473 2.20
2300
1309 1.71 1372 1.91 1434 2.11 1496 2.34
2400
1336 1.85 1400 2.06 1459 2.26
1519 2.48
2500
1363 2.00 1428 2.22
1486 2.43 1543 2.65
2600
1390 2.15 1456 2.38
1514 2.61 1569 2.83
2700
1418 2.31
1483 2.56 1543 2.80 ——
2800
1446 2.48 1510 2.73 ————
2900
1476 2.67 1537 2.92 ————
3000
1506 2.88 ——————
Bhp —
Brake Horsepower Input to Fan
50TFQ004-012
549B036-120