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Table 9 — Fan Performance — 50TJ020 and 024
LEGEND
*Standard low-medium static drive range for the 020 size is 910 to
1095 rpm. Standard low-medium static drive range for the 024 size
is 1002 to 1225 rpm. Alternate high-static drive range for the
020 size is 1069 to 1287. Alternate high-static drive range for the
024 size is 1193 to 1458 rpm. Other rpms require a field-supplied
drive.
NOTES:
1. Maximum continuous bhp for the 020 size is 5.90. Maximum
continuous bhp for the 024 size is 8.7 (208/230, 575 v) or 9.5
(380, 460 v). The maximum continuous watts for the 020 size is
5180. The maximum continuous watts for the 024 size is 7915
(208/230, 575 v) or 8640 (380, 460 v). Do not adjust motor rpm
such that motor maximum bhp and/or watts is exceeded at the
maximum operating cfm.
2. Static pressure losses (i.e., EconoMi$er) must be added to
external static pressure before entering Fan Performance table.
3. Interpolation is permissible. Do not extrapolate.
4. Fan performance is based on wet coils, clean filters, and casing
losses. See Table 12 for accessory/FIOP static pressure
information.
5. Extensive motor and drive testing on these units ensures that
the full horsepower and watts range of the motor can be utilized
with confidence. Using your fan motors up to the watts or bhp
rating shown will not result in nuisance tripping or premature
motor failure. Unit warranty will not be affected.
6. Use of a field-supplied motor may affect wiring size. Contact
your Carrier representative for details.
50TJ020, 024 (18 and 20 TONS)*
Airflow
(Cfm)
Available External Static Pressure (in. wg)
0.2 0.4 0.6 0.8 1.0 1.2
Rpm Bhp Watts Rpm Bhp Watts Rpm Bhp Watts Rpm Bhp Watts Rpm Bhp Watts Rpm Bhp Watts
5,500
682 1.99 1675 760 2.29 1922 832 2.59 2177 901 2.90 2441 965 3.22 2712 1027 3.56 2990
6,000
730 2.38 2005 802 2.68 2257 871 2.99 2516 935 3.31 2783 997 3.63 3057 1056 3.97 3337
6,500
778 2.82 2373 846 3.13 2630 911 3.44 2893 972 3.76 3164 1031 4.09 3440 1087 4.43 3722
7,000
828 3.31 2780 892 3.62 3042 953 3.94 3310 1011 4.26 3583 1067 4.59 3863 1121 4.93 4148
7,500
878 3.84 3227 938 4.15 3494 996 4.48 3766 1051 4.81 4043 1105 5.14 4326 1156 5.49 4613
8,000
928 4.42 3715 985 4.74 3986 1040 5.07 4263 1093 5.40 4544 1144 5.74 4830 1194 6.09 5120
8,500
979 5.05 4245 1033 5.38 4521 1085 5.71 4801 1136 6.05 5086 1185 6.39 5375 1232 6.74 5669
9,000
1030 5.73 4817 1082 6.06 5098 1131 6.40 5382 1180 6.74 5671 1227 7.09 5964 1272 7.44 6260
9,500
1082 6.46 5433 1131 6.80 5718 1178 7.14 6007 1225 7.49 6299 1270 7.84 6595 1313 8.20 6895
10,000
1134 7.25 6093 1180 7.59 6382 1226 7.94 6675 1270 8.29 6971 1313 8.65 7271 1356 9.01 7574
50TJ020, 024 (18 and 20 TONS)* (cont)
Airflow
(Cfm)
Available External Static Pressure (in. wg)
1.4 1.6 1.8 1.9 2.0
Rpm Bhp Watts Rpm Bhp Watts Rpm Bhp Watts Rpm Bhp Watts Rpm Bhp Watts
5,500
1086 3.89 3275 1142 4.24 3567 1197 4.59 3864 1223 4.77 4015 1249 4.96 4167
6,000
1112 4.31 3623 1167 4.66 3915 1219 5.01 4213 1245 5.19 4364 1270 5.37 4516
6,500
1142 4.77 4010 1194 5.12 4304 1245 5.47 4602 1270 5.65 4754 1294 5.83 4906
7,000
1173 5.28 4438 1224 5.63 4733 1273 5.98 5033 1296 6.17 5184 1320 6.35 5337
7,500
1207 5.83 4906 1255 6.19 5203 1302 6.55 5504 1326 6.73 5657 1348 6.91 5810
8,000
1242 6.44 5415 1289 6.80 5714 1334 7.16 6018 1357 7.34 6171 1379 7.52 6325
8,500
1279 7.10 5966 1324 7.45 6268 1368 7.82 6573 1389 8.00 6728 1411 8.18 6883
9,000
1317 7.80 6561 1360 8.16 6865 1403 8.53 7173 1424 8.71 7328 1445 8.90 7484
9,500
1356 8.56 7198 1398 8.93 7505 1440 9.29 7815 1460 9.48 7972 1480 9.67 8129
10,000
1397 9.37 7881 1438 9.74 8190 1477 10.11 8503 —— — —— —
Bhp —
Brake Horsepower
FIOP —
Factory-Installed Option
Watts —
Input Watts to Motor