Trane Precedent User Manual page 51

Table PD-44 — Belt Drive Evaporator Fan Performance — 7½ Ton — YSC090,092A3,A4,AW *M — Medium Heat —Horizontal Airflow
.10 .20
CFM RPM BHP RPM BHP
2-HP Standard Motor & Field Supplied
Low Static Drive (1)
2400 680 0.57 729 0.65
2700 756 0.79 795 0.87
3000 833 1.07 865 1.16
3300 910 1.41 938 1.50
3600 988 1.81 1014 1.91
Table PD-44 — Continued
1.10 1.20
CFM RPM BHP RPM BHP
2-HP Standard Motor
& Drive
2400 1076 1.51 1110 1.62
2700 1120 1.82 1152 1.93
3000 1172 2.15 1201 2.29
3300 1227 2.56 1255 2.69
3600 1287 3.06 1312 3.18
3-HP Oversized Motor & Drive
For Standard Evaporator Fan Speed (RPM), reference Table PD-86.
Notes:
Data includes pressure drop due to standard filters and wet coils.
No accessories or options are included in pressure drop data.
Refer to Table PD-89 to determine additional static pressure drop due to other options/accessories
2-HP Fan Motor Heat (MBH) = 2.000 x Fan BHP+.5000.
3-HP Fan Motor Heat (MBH) = 2.900 x Fan BHP+.4750.
1. Field Supplied Motor Sheave 1VL40L x 7/8 and Fan Sheave AK71 required.
Table PD-45 — Belt Drive Evaporator Fan Performance — 7½ Ton — YSC090,092A3,A4,AW, AK *H— High Heat —Horizontal Airflow
.10 .20
CFM RPM BHP RPM BHP
2-HP Standard Motor & Field Supplied
Low Static Drive (1)
2400 713 0.62 764 0.71
2700 790 0.86 837 0.96
3000 869 1.16 910 1.26
3300 949 1.53 985 1.63
3600 1029 1.97 1061 2.07
Table PD-45 — Continued
1.10 1.20
CFM RPM BHP RPM BHP
2-HP Standard
Motor & Drive
2400 1101 1.59 1134 1.69
2700 1148 1.92 1180 2.04
3000 1204 2.30 1232 2.43
3300 1264 2.74 1290 2.87
3600 1327 3.26 1352 3.39
3-HP Oversized Motor & Drive
For Standard Evaporator Fan Speed (RPM), reference Table PD-86.
Notes:
Data includes pressure drop due to standard filters and wet coils.
No accessories or options are included in pressure drop data.
Refer to Table PD-89 to determine additional static pressure drop due to other options/accessories
2-HP Fan Motor Heat (MBH) = 2.000 x Fan BHP+.5000.
3-HP Fan Motor Heat (MBH) = 2.900 x Fan BHP+.4750..
1. Field Supplied Motor Sheave 1VL40L x 7/8 and Fan Sheave AK71 required.
RT-PRC006-EN
Performance
Data
External Static Pressure (Inches of Water)
.30 .40
RPM BHP RPM BHP RPM
778 0.74 823 0.84 862
841 0.97 884 1.08 923
906 1.25 946 1.36 985
972 1.60 1010 1.70 1047
1042 2.01 1076 2.12 1110
External Static Pressure (Inches of Water)
1.30 1.40
RPM BHP RPM BHP RPM
2-HP Standard Motor & High Static Drive Kit
(or 3-HP Oversized Motor & Drive)
1143 1.72 1176 1.83 1206
1183 2.05 1214 2.17 1243
1229 2.42 1257 2.55 1285
1281 2.83 1307 2.97 1333
1337 3.31 1361 3.45 —
External Static Pressure (Inches of Water)
.30 .40
RPM BHP RPM BHP RPM
2-HP Standard Motor & Drive
811 0.81 851 0.89 889
880 1.07 919 1.17 955
950 1.38 989 1.50 1023
1023 1.75 1058 1.88 1092
1096 2.19 1130 2.33 1162
External Static Pressure (Inches of Water)
1.30 1.40
RPM BHP RPM BHP RPM
2-HP Standard Motor & High Static Drive Kit
(or 3-HP Oversized Motor & Drive)
1166 1.80 1 197 1.90 1229
1210 2.15 1241 2.27 1269
1260 2.56 1287 2.69 1316
1316 3.02 1342 3.16 1367
— — — — —
(7½ Ton)
Standard Efficiency
.50 .60 .70
BHP RPM BHP RPM
2-HP Standard Motor & Drive
0.92 900 1.00 936
1.18 959 1.27 992
1.49 1020 1.61 1052
1.84 1081 1.97 1114
2.25 1143 2.39 1175
3-HP Oversized Motor & Drive
2-HP Standard Motor & High Static Drive (or 3-HP Oversized Motor)
1.50 1.60 1.70
BHP RPM BHP RPM
1.94 1238 2.05 1267
2.28 1273 2.40 1302
2.68 1312 2.80 1340
3.11 1359 3.26 1384
— — — —
Factory supplied motors, in commercial equipment, are definite purpose motors,
specifically designed and tested to operate reliably and continuously at all cataloged
conditions. Using the full horsepower range of our fan motors as shown in our tabular
data will not result in nuisance tripping or premature motor failure. Our product's
warranty will not be affected.
.50 .60 .70
BHP RPM BHP RPM
0.97 926 1.07 962
1.26 989 1.36 1022
1.62 1056 1.72 1086
2.02 1124 2.15 1154
2.48 1 193 2.63 1222
3-HP Oversized Motor & Drive
2-HP Standard Motor & High Static Drive (or 3-HP Oversized Motor)
1.50 1.60 1.70
BHP RPM BHP RPM
2.02 1259 2.13 1287
2.39 1299 2.51 1326
2.82 1344 2.95 1370
3.30 1393 3.45 —
— — — —
Factory supplied motors, in commercial equipment, are definite purpose motors,
specifically designed and tested to operate reliably and continuously at all cataloged
conditions. Using the full horsepower range of our fan motors as shown in our tabular
data will not result in nuisance tripping or premature motor failure. Our product's
warranty will not be affected.
.80 .90
BHP RPM BHP RPM BHP
1.10 972 1.20 1006 1.31
1.36 1025 1.47 1057 1.58
1.71 1083 1.81 1114 1.91
2.11 1144 2.22 1173 2.33
2.54 1205 2.69 1234 2.82
1.80 1.90
BHP RPM BHP RPM BHP
2.16 1297 2.28 1325 2.40
2.52 1330 2.64 1357 2.76
2.93 1367 3.06 1395 3.19
3.40 — — — —
— — — — —
.80 .90
BHP RPM BHP RPM BHP
1.17 997 1.28 1031 1.38
1.46 1054 1.57 1086 1.69
1.82 1116 1.92 1146 2.04
2.26 1182 2.37 1210 2.48
2.77 1250 2.89 1276 3.01
1.80 1.90
BHP RPM BHP RPM BHP
2.25 1317 2.37 1344 2.48
2.62 1354 2.74 1383 2.88
3.07 1397 3.20 1423 3.34
— — — — —
— — — — —
1.00
RPM BHP
1041 1.41
1089 1.70
1143 2.03
1200 2.44
1260 2.94
2.00
RPM BHP
1353 2.52
1385 2.89
1421 3.33
— —
— —
1.00
RPM BHP
1067 1.48
1117 1.80
1175 2.17
1237 2.60
1302 3.13
2.00
RPM BHP
1373 2.61
1409 3.00
— —
— —
— —
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