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PERFORMANCE DATA — 549B, 549C (cont)
FAN PERFORMANCE — VERTICAL DISCHARGE UNITS (cont)
LEGEND
*Motor drive range: 680 to 1044 rpm. All other rpms require field-
supplied drive.
NOTES:
1. Boldface indicates field-supplied drive is required.
2. Maximum continuous bhp is 1.20.
3. See page 103 for General Fan Performance Notes.
LEGEND
*Motor drive range: 1075 to 1455 rpm. All other rpms require field-
supplied drive.
NOTES:
1. Boldface indicates field-supplied drive is required.
2. Maximum continuous bhp is 2.40.
3. See page 103 for General Fan Performance Notes.
549B036 AND 549C036 (3 TONS) STANDARD MOTOR (BELT DRIVE)*
Airflow
(Cfm)
External Static Pressure (in. wg)
0.2 0.4 0.6 0.8 1.0
Rpm Bhp Watts Rpm Bhp Watts Rpm Bhp Watts Rpm Bhp Watts Rpm Bhp Watts
900 566 0.14 142 690 0.23 228 791 0.32 320 879 0.42 418 957 0.52 522
1000 598 0.17 173 718 0.27 267 817 0.37 366 903 0.47 471 981 0.58 581
1100 632 0.21 210 748 0.31 311 844 0.42 418 929 0.53 530 1006 0.65 646
1200 666 0.25 252 778 0.36 361 873 0.48 476 956 0.60 594 1031 0.72 718
1300 701 0.30 300 809 0.42 418 902 0.54 540 983 0.67 665 1057 0.80 796
1400 737 0.36 355 842 0.48 481 932 0.61 610 1012 0.75 744 1085 0.89 881
1500 774 0.42 417 875 0.55 551 962 0.69 689 1041 0.83 830 1112 0.98 974
549B036 AND 549C036 (3 TONS) STANDARD MOTOR (BELT DRIVE)* (cont)
Airflow
(Cfm)
External Static Pressure (in. wg)
1.2 1.4 1.6 1.8 2.0
Rpm Bhp Watts Rpm Bhp Watts Rpm Bhp Watts Rpm Bhp Watts Rpm Bhp Watts
900 1029 0.63 630 1095 0.75 742 1157 0.86 859 1216 0.99 980 1272 1.11 1105
1000
1052 0.70 695 1118 0.82 814 1179 0.94 937 1237 1.07 1064 1293 1.20 1195
1100
1076 0.77 767 1141 0.90 892 1202 1.03 1021 1260 1.16 1154 —— —
1200
1100 0.85 845 1165 0.98 977 1225 1.12 1112 —— — —— —
1300
1126 0.94 930 1189 1.07 1069 —— — —— — —— —
1400
1152 1.03 1023 1215 1.17 1168 —— — —— — —— —
1500
1179 1.13 1123 —— — —— — —— — —— —
Bhp — Brake Horsepower Input to Fan
Watts — Input Watts to Motor
549B036 AND 549C036 (3 TONS) HIGH-STATIC MOTOR (BELT DRIVE)*
Airflow
(Cfm)
External Static Pressure (in. wg)
0.2 0.4 0.6 0.8 1.0
Rpm Bhp Watts Rpm Bhp Watts Rpm Bhp Watts Rpm Bhp Watts Rpm Bhp Watts
900 566 0.14 142 690 0.23 228 791 0.32 320 879 0.42 418 957 0.52 522
1000 598 0.17 173 718 0.27 267 817 0.37 366 903 0.47 471 981 0.58 581
1100 632 0.21 210 748 0.31 311 844 0.42 418 929 0.53 530 1006 0.65 646
1200 666 0.25 252 778 0.36 361 873 0.48 476 956 0.60 594 1031 0.72 718
1300 701 0.30 300 809 0.42 418 902 0.54 540 983 0.67 665 1057 0.80 796
1400 737 0.36 355 842 0.48 481 932 0.61 610 1012 0.75 744 1085 0.89 881
1500 774 0.42 417 875 0.55 551 962 0.69 689 1041 0.83 830 1112 0.98 974
549B036 AND 549C036 (3 TONS) HIGH-STATIC MOTOR (BELT DRIVE)* (cont)
Airflow
(Cfm)
External Static Pressure (in. wg)
1.2 1.4 1.6 1.8 2.0
Rpm Bhp Watts Rpm Bhp Watts Rpm Bhp Watts Rpm Bhp Watts Rpm Bhp Watts
900 1029 0.63 630 1095 0.75 742 1157 0.86 859 1216 0.99 980 1272 1.11 1105
1000
1052 0.70 695 1118 0.82 814 1179 0.94 937 1237 1.07 1064 1293 1.20 1195
1100
1076 0.77 767 1141 0.90 892 1202 1.03 1021 1260 1.16 1154 1314 1.30 1291
1200
1100 0.85 845 1165 0.98 977 1225 1.12 1112 1282 1.26 1252 1337 1.40 1395
1300
1126 0.94 930 1189 1.07 1069 1249 1.22 1211 1306 1.36 1356 1360 1.51 1506
1400
1152 1.03 1023 1215 1.17 1168 1274 1.32 1317 1330 1.48 1469 1384 1.63 1625
1500
1179 1.13 1123 1241 1.28 1275 1300 1.44 1431 1355 1.60 1590 1408 1.76 1752
Bhp — Brake Horsepower Input to Fan
Watts — Input Watts to Motor
549B, 549C