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PERFORMANCE DATA (cont)
FAN PERFORMANCE — 580D036-150 VERTICAL DISCHARGE UNITS (cont)
580D048 (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 0.68 0.41 458 0.74 0.45 506 0.74 0.51 572 0.85 0.56 632
1300 0.61 0.42 471 0.67 0.46 521 0.66 0.52 589 0.78 0.58 651
1400 0.53 0.45 503 0.59 0.49 556 0.59 0.54 616 0.70 0.60 681
1500 0.45 0.47 536 0.51 0.52 593 0.52 0.56 631 0.63 0.62 698
1600 0.36 0.49 557 0.42 0.54 616 0.45 0.58 654 0.56 0.64 723
1700 0.26 0.52 584 0.32 0.57 646 0.37 0.60 678 0.48 0.66 750
1800 0.15 0.54 610 0.22 0.60 674 0.30 0.62 698 0.41 0.68 772
1900 0.04 0.56 629 0.11 0.62 696 0.23 0.64 720 0.34 0.70 796
2000 — — — — — — 0.16 0.66 744 0.26 0.73 823
LEGEND
Bhp — Brake Horsepower Input to Fan
Esp — External Static Pressure (in. wg)
FIOP — Factory-Installed Option
NOTES:
1. Values include losses for filters, unit casing, and wet coils. See
page 52 for accessory/FIOP static pressure information.
2. Extensive motor and electrical testing on these units ensures that the
full range of the motor can be utilized with confidence. Using your fan
motors up to the wattage ratings shown will not result in nuisance
tripping or premature motor failure. Unit warranty will not be affected.
See Evaporator-Fan Motor Performance table on page 55 for addi-
tional information.
3. Use of a field-supplied motor may affect wire sizing. Contact your
local representative for details.
580D048 (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 596 0.20 210 665 0.25 263 722 0.31 320 779 0.36 378 872 0.48 504 915 0.54 567 957 0.60 630
1300 633 0.24 252 699 0.30 315 754 0.36 378 809 0.42 441 902 0.55 578 943 0.61 641 984 0.67 704
1400 672 0.30 315 735 0.36 378 788 0.42 441 840 0.48 504 933 0.62 651 972 0.69 720 1011 0.75 788
1500 711 0.35 368 770 0.42 441 822 0.49 510 873 0.55 578 963 0.69 725 1002 0.77 804 1041 0.84 858
1600 751 0.42 441 835 0.49 515 871 0.56 588 907 0.63 662 993 0.77 787 1033 0.85 869 1072 0.93 950
1700 791 0.49 515 873 0.57 599 907 0.65 678 941 0.72 757 1024 0.87 889 1064 0.96 976 1103 1.04 1063
1800 831 0.58 609 881 0.66 693 929 0.74 772 976 0.81 851 1057 0.97 991 1095 1.06 1078 1132 1.14 1165
1900 872 0.67 704 919 0.75 788 965 0.84 877 1011 0.92 967 1091 1.08 1104 1127 1.17 1191 1162 1.25 1277
2000 913 0.77 809 958 0.86 904 1002 0.95 993 1046 1.03 1082 1125 1.21 1237 1160 1.30 1323 1195 1.38 1410
580D048 (4 TONS) — ALTERNATE MOTOR (BELT DRIVE)* (cont)
Airflow
(Cfm)
External Static Pressure (in. wg)
0.9 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 Rpm Bhp Watts
1200 993 0.65 678 1028 0.69 725 1056 0.72 751 1083 0.74 778 1134 0.80 935 1185 0.88 965 1331 0.99 1000
1300 1021 0.74 772 1058 0.80 841 1090 0.85 888 1121 0.89 935 1171 0.94 988 1219 1.00 999 1268 1.10 1029
1400 1049 0.82 837 1086 0.89 885 1120 0.96 950 1153 1.00 976 1210 1.12 1071 1257 1.17 1105 1307 1.25 1190
1500 1077 0.92 922 1113 0.99 985 1147 1.06 1054 1180 1.13 1081 1241 1.27 1215 1295 1.37 1294 1339 1.43 1350
1600 1107 1.00 998 1141 1.09 1084 1174 1.17 1134 1207 1.25 1196 1269 1.40 1339 1326 1.54 1454 1376 1.65 1558
1700 1137 1.12 1128 1171 1.20 1194 1203 1.29 1278 1235 1.37 1310 1296 1.53 1463 1354 1.70 1605 1407 1.84 1738
1800 1167 1.23 1239 1202 1.32 1313 1233 1.41 1398 1263 1.49 1425 1323 1.67 1597 1381 1.85 1747 1436 2.02 1907
1900 1197 1.35 1360 1232 1.45 1442 1263 1.54 1532 1294 1.63 1559 1351 1.81 1731 1408 2.00 1889 1463 2.19 2068
2000 1229 1.48 1491 1262 1.58 1572 1294 1.68 1671 1325 1.78 1702 1362 1.97 1884 1436 2.16 2040 1489 2.36 2229
LEGEND
Bhp — Brake Horsepower Input to Fan
FIOP — Factory-Installed Option
Watts — Input Watts to Motor
*Motor drive range is 835 to 1185 rpm. All other rpms require a field-
supplied drive.
NOTES:
1. Boldface indicates field-supplied motor and drive are required.
2. Values include losses for filters, unit casing, and wet coils. See
page 52 for accessory/FIOP static pressure information.
3. Maximum continuous bhp is 1.0, and the maximum continuous watts
are 1000. Extensive motor and electrical testing on these units en-
sure that the full range of the motor can be utilized with confidence.
Using your fan motors up to the wattage ratings shown will not result
in nuisance tripping or premature motor failure. Unit warranty will not
be affected. See Evaporator-Fan Motor Performance table on
page 55 for additional information.
4. Use of a field-supplied motor may affect wire sizing. Contact your
local representative for details.
5. Interpolation is permissible. Do not extrapolate.
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