21
EVAPORATOR FAN PERFORMANCE (cont)
LEGEND
Bhp — Brake Horsepower
ESP — External Static Pressure
NOTES:
1. Units are available with several motor hp options. Refer to the
physical data table.
2. Static pressure losses must be applied to external static pressure
before entering the fan performance table.
3. Interpolation is permitted; extrapolation is not.
4. Fan performance is based on filter, unit casing, and wet coil
losses.
50XCA08 (7
1
/
2
Tons)
CFM
ESP (in. wg)
0.00 0.10 0.20 0.30 0.40 0.50 0.60 0.70 0.80 0.90
RpmBhpRpmBhpRpmBhpRpmBhpRpmBhpRpmBhpRpmBhpRpmBhpRpmBhpRpmBhp
2200 594 0.26 594 0.26 594 0.26 644 0.31 707 0.38 766 0.45 820 0.53 871 0.62 918 0.70 963 0.79
2400 588 0.28 588 0.28 602 0.29 667 0.36 728 0.43 785 0.51 838 0.59 888 0.68 935 0.77 979 0.86
2600 582 0.29 582 0.29 630 0.34 692 0.42 750 0.49 805 0.58 857 0.66 906 0.75 952 0.84 996 0.94
2800 576 0.31 597 0.33 659 0.41 718 0.48 774 0.56 827 0.65 877 0.74 925 0.83 970 0.93 1013 1.03
3000 570 0.33 631 0.40 690 0.48 746 0.55 799 0.64 850 0.73 898 0.82 945 0.92 989 1.02 1032 1.12
3200 606 0.40 665 0.48 721 0.55 774 0.64 825 0.73 874 0.82 921 0.91 966 1.01 1009 1.12 1051 1.22
3400 644 0.48 699 0.56 752 0.64 803 0.73 852 0.82 899 0.92 944 1.02 988 1.12 1030 1.23 1071 1.34
3600 681 0.57 734 0.66 785 0.74 833 0.83 880 0.93 925 1.03 969 1.13 1011 1.24 1052 1.35 1092 1.46
3800 719 0.67 770 0.76 818 0.85 864 0.95 909 1.04 952 1.15 995 1.25 1035 1.36 1075 1.48 1114 1.59
50XCA08 (7
1
/
2
Tons) (cont)
CFM
ESP (in. wg)
1.00 1.10 1.20 1.30 1.40 1.50 1.60 1.70 1.80 1.90
RpmBhpRpmBhpRpmBhpRpmBhpRpmBhpRpmBhpRpmBhpRpmBhpRpmBhpRpmBhp
2200 1006 0.88 1046 0.97 1085 1.07 1122 1.17 1158 1.27 1193 1.37 1226 1.47 1258 1.58 — — — —
2400 1022 0.96 1062 1.05 1101 1.15 1138 1.26 1174 1.36 1209 1.46 1242 1.57 1274 1.68 1306 1.79 1336 1.90
2600 1038 1.04 1078 1.14 1117 1.24 1154 1.35 1190 1.46 1224 1.57 1258 1.68 1290 1.79 1322 1.91 1352 2.03
2800 1055 1.13 1095 1.23 1133 1.34 1170 1.45 1206 1.56 1240 1.68 1274 1.79 1306 1.91 1337 2.03 1368 2.15
3000 1073 1.23 1112 1.34 1150 1.45 1187 1.56 1222 1.68 1256 1.79 1290 1.91 1322 2.04 1353 2.16 1384 2.29
3200 1091 1.33 1130 1.45 1167 1.56 1203 1.68 1239 1.80 1273 1.92 1306 2.04 1338 2.17 1369 2.30 1400 2.43
3400 1110 1.45 1148 1.57 1185 1.68 1221 1.81 1256 1.93 1290 2.05 1322 2.18 1354 2.31 1385 2.44 1416 2.58
3600 1130 1.58 1168 1.69 1204 1.82 1239 1.94 1274 2.07 1307 2.20 1340 2.33 1371 2.46 1402 2.60 1432 2.74
3800 1152 1.71 1188 1.84 1224 1.96 1258 2.09 1292 2.22 1325 2.35 1357 2.49 1389 2.62 1419 2.76 1449 2.90
50XCA08 (7
1
/
2
Tons) (cont)
CFM
ESP (in. wg)
2.00 2.10 2.20 2.30 2.40
Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp
2200 ——————————
2400 1366 2.02 1395 2.13 ——————
2600 1382 2.14 1411 2.26 1439 2.39 1467 2.51 1494 2.63
2800 1398 2.27 1427 2.40 1455 2.52 1483 2.65 1510 2.78
3000 1414 2.41 1443 2.54 1471 2.67 1499 2.80 1526 2.94
3200 1429 2.56 1459 2.69 1487 2.82 1515 2.96 — —
3400 1445 2.71 1474 2.85 1503 2.99 — — — —
3600 1462 2.87 — — ——————
3800 ——————————
