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AIR DELIVERY — 559F180-300 UNITS (cont)
559F180 (15 TON)
Airflow
(Cfm)
Standard Belt-Drive Motor; 575-V Units
External Static Pressure (in. wg)
0.2 0.4 0.6 0.8 1.0 1.1
Rpm Bhp Watts Rpm Bhp Watts Rpm Bhp Watts Rpm Bhp Watts Rpm Bhp Watts Rpm Bhp Watts
4500 790 1.02 906 879 1.23 1092 960 1.43 1270 1039 1.64 1456 1114 1.85 1643 1152 1.97 1751
4800 830 1.21 1075 915 1.43 1270 993 1.64 1456 1068 1.86 1652 1140 2.09 1856 1175 2.21 1958
5100 870 1.42 1261 953 1.65 1465 1028 1.88 1670 1099 2.11 1874 1168 2.35 2087 1202 2.47 2194
5400 911 1.66 1474 991 1.90 1687 1063 2.15 1909 1131 2.39 2123 1197 2.64 2345 1230 2.77 2456
5700 952 1.92 1705 1030 2.18 1936 1099 2.44 2167 1165 2.69 2389 1228 2.95 2620 1259 3.09 2740
6000 994 2.21 1963 1069 2.48 2202 1136 2.76 2451 1200 3.03 2691 1260 3.29 2922 1290 3.43 3047
6300 1035 2.53 2247 1109 2.82 2504 1174 3.10 2753 1235 3.39 3011 — — — — — —
6600 1078 2.88 2558 1148 3.18 2824 ——— —— — —— — —— —
6900 1120 3.26 2895 —— — —— — —— — —— — —— —
7200 —— — —— — —— — —— — —— — —— —
7500 —— — —— — —— — —— — —— — —— —
559F180 (15 TON) (cont)
Airflow
(Cfm)
Standard Belt-Drive Motor; 575-V Units
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
4500 1189 2.09 1856 1264 2.36 2096 1338 2.67 2371 1410 3.00 2664 1479 3.36 2984
4800 1210 2.32 2060 1280 2.58 2291 1351 2.88 2558 1420 3.20 2842 — — —
5100 1235 2.59 2300 1301 2.85 2531 1367 3.13 2780 1433 3.44 3055 — — —
5400 1262 2.89 2567 1325 3.15 2798 1386 3.42 3037 — — — — — —
5700 1290 3.22 2860 — — — — — — — — — — — —
6000 —— — —— — —— — —— — —— —
6300 —— — —— — —— — —— — —— —
6600 —— — —— — —— — —— — —— —
6900 —— — —— — —— — —— — —— —
7200 —— — —— — —— — —— — —— —
7500 —— — —— — —— — —— — —— —
LEGEND
Bhp — Brake Horsepower Input to Fan
FIOP — Factory-Installed Option
Watts — Input Watts to Motor
NOTES:
1. Boldface indicates field-supplied drive is required. (See Note 2.)
2. Factory-shipped motor drive range is 1201 to 1462 rpm. Other rpms
require a field-supplied drive.
3. Maximum continuous bhp is 3.45 and maximum continuous watts
are 3065. Do not adjust motor rpm such that motor maximum bhp
and/or watts is exceeded at the maximum operating cfm.
4. Static pressure losses (i.e., economizer) must be added to external
static pressure before entering Air Delivery table. See page 47 for
accessory/FIOP static pressure information.
5. Interpolation is permissible. Do not extrapolate.
6. Fan performance is based on wet coils, clean filters, and casing
losses.
7. Extensive motor and drive testing on these units ensures that the full
horsepower and watts range of the motor can be utilized with confi-
dence. Using your fan motors up to the watts or bhp rating shown will
not result in nuisance tripping or premature motor failure. Unit war-
ranty will not be affected.
8. Minimum allowable cfm is 300 cfm/ton.
9. Use of a field-supplied motor may affect wire sizing. Contact your lo-
cal representative for details. For additional information on motor
performance, refer to Evaporator-Fan Motor Performance table on
page 62.
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