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AIR DELIVERY — 558D036-150 VERTICAL DISCHARGE UNITS (cont)
558D048 (4 TON)
Airflow
(Cfm)
Standard Direct-Drive Motor
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
LEGEND
Bhp — Brake Horsepower Input to Fan
ESP — External Static Pressure (in. wg)
FIOP — Factory-Installed Option
Watts — Input Watts to Motor
NOTES:
1. Values include losses for filters, unit casing, and wet coils. See
page 47 for accessory/FIOP static pressure information.
2. Extensivemotor 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 nui-
sance tripping or premature motor failure. Unit warranty will not be
affected. For additional information on motor performance, refer to
Evaporator-Fan Motor Performance table on page 62.
3. Use of a field-supplied motor may affect wire sizing. Contact your lo-
cal representative for details.
4. Minimum allowable cfm is 300 cfm/ton.
558D048 (4 TON)
Airflow
(Cfm)
Alternate Belt-Drive Motor
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
558D048 (4 TON) (cont)
Airflow
(Cfm)
Alternate Belt-Drive Motor
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
LEGEND
Bhp — Brake Horsepower Input to Fan
FIOP — Factory-Installed Option
Watts — Input Watts to Motor
NOTES:
1. Boldface indicates a field-supplied drive is required. (See Note 7.)
2. indicates field-supplied motor and drive are required.
3.
indicates maximum usable bhp/watts.
4. Maximum usable watts input is 1000 and maximum continuous bhp
is 1.00. Extensive motor and electricaltesting onthese unitsensures
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 nui-
sance tripping or premature motor failure. Unit warranty will not be
affected. For additional information on motor performance, refer to
Evaporator-Fan Motor Performance table on page 62.
5. Values include losses for filters, unit casing, and wet coils. See
page 47 for accessory/FIOP static pressure information.
6. Use of a field-supplied motor may affect wire sizing. Contact your lo-
cal representative for details.
7. Motor drive range: 835 to 1185 rpm. All other rpms require field-
supplied drive.
8. Interpolation is permissible. Do not extrapolate.
9. Minimum allowable cfm is 300 cfm/ton.
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