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PERFORMANCE DATA (cont)
FAN PERFORMANCE — 580D036-150 HORIZONTAL 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 0.75 0.41 458 0.81 0.45 506 0.87 0.51 572 0.92 0.56 632
1300 0.68 0.42 471 0.74 0.46 521 0.79 0.52 589 0.85 0.58 651
1400 0.60 0.45 503 0.66 0.49 556 0.71 0.54 616 0.77 0.60 681
1500 0.51 0.47 536 0.58 0.52 593 0.64 0.56 631 0.70 0.62 698
1600 0.42 0.49 557 0.49 0.54 616 0.56 0.58 654 0.63 0.64 723
1700 0.32 0.52 584 0.39 0.57 646 0.48 0.60 678 0.55 0.66 750
1800 0.21 0.54 610 0.29 0.60 674 0.41 0.62 698 0.48 0.68 772
1900 0.09 0.56 629 0.18 0.62 696 0.33 0.64 720 0.41 0.70 796
2000 — — — 0.06 0.65 731 0.26 0.66 744 0.33 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 569 0.18 189 641 0.23 242 701 0.29 299 761 0.34 357 859 0.46 483 901 0.52 546 943 0.58 609
1300 604 0.22 231 673 0.28 294 731 0.34 352 788 0.39 410 887 0.52 546 928 0.59 615 968 0.65 683
1400 640 0.27 284 705 0.33 347 761 0.39 410 817 0.45 473 914 0.59 620 955 0.66 688 996 0.72 757
1500 676 0.32 336 738 0.38 399 793 0.45 468 847 0.51 536 940 0.65 683 982 0.73 767 1024 0.81 851
1600 713 0.38 399 772 0.44 462 825 0.51 536 877 0.58 609 967 0.73 767 1009 0.81 851 1051 0.89 935
1700 750 0.45 473 806 0.51 536 857 0.59 615 908 0.66 693 997 0.81 851 1037 0.90 940 1077 1.01 1030
1800 788 0.52 546 841 0.59 620 890 0.67 704 939 0.75 788 1026 0.91 956 1065 1.01 1040 1104 1.07 1124
1900 826 0.60 630 876 0.68 714 924 0.76 799 971 0.84 883 1056 1.01 1061 1094 1.10 1151 1132 1.18 1240
2000 864 0.70 735 912 0.77 809 958 0.86 898 1004 0.94 988 1087 1.12 1177 1125 1.21 1271 1162 1.30 1366
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 987 0.64 652 1030 0.70 695 1068 0.79 792 1106 0.87 889 1134 0.98 998 1189 1.12 1138 1245 1.21 1358
1300 1006 0.71 709 1044 0.77 736 1086 0.84 833 1128 0.91 930 1183 1.10 1052 1226 1.23 1215 1297 1.35 1406
1400 1033 0.79 797 1069 0.86 838 1104 0.93 925 1139 1.01 1012 1218 1.14 1090 1286 1.34 1282 1320 1.48 1463
1500 1060 0.88 891 1095 0.95 930 1129 1.02 1022 1162 1.09 1114 1228 1.24 1186 1303 1.40 1339 1343 1.60 1530
1600 1087 1.01 1001 1123 1.05 1073 1156 1.13 1150 1185 1.20 1226 1250 1.35 1291 1319 1.51 1444 1382 1.68 1607
1700 1114 1.07 1108 1151 1.15 1185 1183 1.23 1262 1215 1.31 1339 1276 1.48 1415 1334 1.64 1569 1398 1.80 1722
1800 1141 1.17 1221 1178 1.26 1318 1211 1.35 1390 1243 1.43 1461 1303 1.61 1540 1359 1.78 1702 1418 1.95 1865
1900 1168 1.28 1371 1204 1.37 1502 1238 1.47 1548 1271 1.56 1594 1330 1.74 1664 1386 1.93 1846 1439 2.11 2018
2000 1197 1.39 1485 1231 1.48 1604 1265 1.59 1666 1298 1.69 1727 1358 1.89 1808 1413 2.08 1989 1466 2.27 2171
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 1.00 and the maximum continuous
watts are 1000. Extensive motor and electrical testing on these units
ensures that the full range of the motor can be utilized with confi-
dence. Using your fan motors up to the wattage ratings shown will
not result in nuisance tripping or premature motor failure. Unit war-
ranty 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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