33
PERFORMANCE DATA (cont)
FAN PERFORMANCE — VERTICAL DISCHARGE UNITS (cont)
LEGEND
Refer to page 51 for general Fan Performance notes.
LEGEND
*Motor drive range: 835 to 1185 rpm. All other rpms require field-supplied drive.
Refer to page 51 for general Fan Performance notes.
NOTES:
1.
Boldface
indicates field-supplied motor drive is required.
2. indicates field-supplied motor and drive are required.
3. Maximum usable watts input is 1000 and maximum continuous bhp is 1.00.
LEGEND
*Motor drive range: 1075 to 1455 rpm. All other rpms require field-supplied drive.
Refer to page 51 for general Fan Performance notes.
NOTES:
1.
Boldface
indicates field-supplied drive is required.
2. Maximum continuous bhp is 2.4 and the maximum continuous watts are 2120.
548F048 (4 TONS) — STANDARD MOTOR (DIRECT DRIVE)
Airflow
(Cfm)
Low Speed High Speed
208 v 230, 460, 575 v 208 v 230, 460, 575 v
ESP Bhp Watts ESP Bhp Watts ESP Bhp Watts ESP Bhp Watts
1200
0.93 0.41 458 0.94 0.45 506 0.94 0.51 572 0.99 0.56 632
1300
0.86 0.42 471 0.87 0.46 521 0.87 0.52 589 0.92 0.58 651
1400
0.78 0.45 503 0.79 0.49 556 0.79 0.54 616 0.87 0.60 681
1500
0.70 0.47 536 0.73 0.52 593 0.73 0.56 631 0.80 0.62 698
1600
0.61 0.49 557 0.64 0.54 616 0.66 0.58 654 0.76 0.64 723
1700
0.51 0.52 584 0.54 0.57 646 0.58 0.60 678 0.68 0.66 750
1800
0.40 0.54 610 0.44 0.60 674 0.51 0.62 698 0.63 0.68 772
1900
0.29 0.56 629 0.37 0.62 696 0.46 0.64 720 0.56 0.70 796
2000
0.25 0.58 651 0.30 0.64 720 0.39 0.66 744 0.50 0.73 823
Bhp —
Brake Horsepower Input to Fan
ESP —
External Static Pressure (in. wg)
Watts —
Input Watts to Motor
548F048 (4 TONS) — ALTERNATE MOTOR (BELT DRIVE)*
Airflow
(Cfm)
External Static Pressure (in. wg)
0.1 0.2 0.3 0.4 0.6 0.7 0.8
Rpm Bhp Watts Rpm Bhp Watts Rpm Bhp Watts Rpm Bhp Watts Rpm Bhp Watts Rpm Bhp Watts Rpm Bhp Watts
1200 542 0.16 168 616 0.21 221 678 0.27 278 739 0.32 336
842 0.44 462 886 0.50 525 929 0.56 588
1300 576 0.20 210 644 0.25 263 704 0.31 326 764 0.37 389
867 0.50 525 910 0.56 588 952 0.62 651
1400 610 0.24 252 673 0.30 315 732 0.36 378 791 0.42 441
889 0.55 578 933 0.62 651 976 0.69 725
1500 646 0.28 294 704 0.35 368 761 0.42 436 818 0.48 504
912 0.61 641 957 0.69 720 1001 0.76 777
1600 681 0.33 347 735 0.40 420 790 0.47 494
845 0.54 567 920 0.68 695 931 0.76 772 1023 0.83 848
1700 718 0.39 410 768 0.46 483
836 0.54 562 873 0.61 641 965 0.76 777 1005 0.84 853 1045 0.91 930
1800 754 0.45 473 801 0.53 557
851 0.61 641 900 0.69 725 992 0.84 858 1032 0.92 940 1071 1.00 1022
1900 791 0.52 546
836 0.60 630 832 0.69 720 828 0.77 809 1019 0.93 950 1058 1.02 1037 1097 1.10 1124
2000 828 0.60 630
870 0.68 714 864 0.77 809 858 0.86 904 1046 1.03 1053 1085 1.12 1139 1124 1.21 1237
548F048 (4 TONS) — ALTERNATE MOTOR (BELT DRIVE)* (cont)
Airflow
(Cfm)
External Static Pressure (in. wg)
1.0 1.1 1.2 1.4 1.6 1.8
Rpm Bhp Watts Rpm Bhp Watts Rpm Bhp Watts Rpm Bhp Watts Rpm Bhp Watts Rpm Bhp Watts
1200
1008 0.67 704 1052 0.73 762 1096 0.78 820 1134 0.89 835
1203 1.00 885
—— —
1300
1029 0.75 788 1065 0.81 846 1101 0.86 904 1174 1.01 1040 1229 1.15 1100 1277 1.27 1029
1400
1052 0.83 826 1087 0.90 890 1121 0.96 918 1183 1.09 1042 1255 1.22 1167 1305 1.38 1190
1500
1076 0.91 905 1111 0.99 980 1145 1.06 1014 1208 1.20 1138 1274 1.33 1272 1337 1.47 1350
1600
1100 1.00 995 1134 1.08 1069 1168 1.15 1100 1232 1.31 1253 1291 1.46 1396 1350 1.60 1558
1700
1124 1.09 1084 1158 1.17 1164 1192 1.25 1196 1255 1.42 1358 1314 1.58 1511 1370 1.77 1738
1800
1147 1.18 1174 1182 1.27 1263 1217 1.36 1301 1279 1.54 1473 1381 1.71 1635 1393 1.89 1907
1900
1169 1.27 1263 1205 1.37 1363 1240 1.47 1406 1303 1.66 1588 1408 1.85 1769 1417 2.03 2068
2000
1194 1.38 1373 1228 1.48 1472 1262 1.58 1511 1327 1.78 1702 1436 1.98 1894 1440 2.18 2229
Bhp —
Brake Horsepower Input to Fan
Watts —
Input Watts to Motor
548F048 (4 TONS) — HIGH-STATIC MOTOR (BELT DRIVE)*
Airflow
(Cfm)
External Static Pressure (in. wg)
0.20.40.60.81.0
Rpm Bhp Watts Rpm Bhp Watts Rpm Bhp Watts Rpm Bhp Watts Rpm Bhp Watts
1200 665 0.25 263 779 0.36 378 872 0.48 504 957 0.60 630 1028 0.69 725
1300 699 0.30 315 809 0.42 441 902 0.55 578 984 0.67 704 1058 0.80 841
1400 735 0.36 378 840 0.48 504 933 0.62 651 1011 0.75 788
1086 0.89 885
1500 770 0.42 441 873 0.55 578 963 0.69 725 1041 0.84 858
1113 0.99 985
1600 835 0.49 515 907 0.63 662 993 0.77 787 1072 0.93 950
1141 1.09 1084
1700 873 0.57 599 941 0.72 757 1024 0.87 889
1103 1.04 1063 1171 1.20 1194
1800 881 0.66 693 976 0.81 851 1057 0.97 991
1132 1.14 1165 1202 1.32 1313
1900 919 0.75 788 1011 0.92 967
1091 1.08 1104 1162 1.25 1277 1232 1.45 1442
2000 958 0.86 904 1046 1.03 1082
1125 1.21 1237 1195 1.38 1410 1262 1.58 1572
548F048 (4 TONS) — HIGH-STATIC MOTOR (BELT DRIVE)* (cont)
Airflow
(Cfm)
External Static Pressure (in. wg)
1.21.41.61.82.0
Rpm Bhp Watts Rpm Bhp Watts Rpm Bhp Watts Rpm Bhp Watts Rpm Bhp Watts
1200
1083 0.74 778 1134 0.80 935 1185 0.88 965 1331 0.99 1000 1374 1.09 1083
1300
1121 0.89 935 1171 0.94 988 1219 1.00 999 1268 1.10 1029 1309 1.21 1203
1400
1153 1.00 976 1210 1.12 1071 1257 1.17 1105 1307 1.25 1190 1349 1.37 1367
1500
1180 1.13 1081 1241 1.27 1215 1295 1.37 1294 1339 1.43 1350 1382 1.57 1564
1600
1207 1.25 1196 1269 1.40 1339 1326 1.54 1454 1376 1.65 1558 1420 1.81 1805
1700
1235 1.37 1310 1296 1.53 1463 1354 1.70 1605 1407 1.84 1738 1452 2.02 2013
1800
1263 1.49 1425 1323 1.57 1597 1381 1.85 1757 1436 2.02 1907
1482 2.22 2210
1900
1294 1.63 1559 1351 1.81 1731 1408 2.00 1889
1463 2.19 2068
—— —
2000
1325 1.78 1702 1362 1.97 1884 1436 2.16 2040
1489 2.36 2229
—— —
Bhp —
Brake Horsepower Input to Fan
Watts —
Input Watts to Motor
50TFQ004-012
548F036-120