Specifications
51RT-PRC006-EN
(7½ Ton)
Standard Efficiency
Performance
Data
Table PD-44 — Belt Drive Evaporator Fan Performance — 7½ Ton — YSC090,092A3,A4,AW *M — Medium Heat —Horizontal Airflow
External Static Pressure (Inches of Water)
.10 .20 .30 .40 .50 .60 .70 .80 .90 1.00
CFM RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP
2-HP Standard Motor & Field Supplied 2-HP Standard Motor & Drive
Low Static Drive (1)
2400 680 0.57 729 0.65 778 0.74 823 0.84 862 0.92 900 1.00 936 1.10 972 1.20 1006 1.31 1041 1.41
2700 756 0.79 795 0.87 841 0.97 884 1.08 923 1.18 959 1.27 992 1.36 1025 1.47 1057 1.58 1089 1.70
3000 833 1.07 865 1.16 906 1.25 946 1.36 985 1.49 1020 1.61 1052 1.71 1083 1.81 1114 1.91 1143 2.03
3300 910 1.41 938 1.50 972 1.60 1010 1.70 1047 1.84 1081 1.97 1114 2.11 1144 2.22 1173 2.33 1200 2.44
3600 988 1.81 1014 1.91 1042 2.01 1076 2.12 1110 2.25 1143 2.39 1175 2.54 1205 2.69 1234 2.82 1260 2.94
3-HP Oversized Motor & Drive
Table PD-44 — Continued
External Static Pressure (Inches of Water)
1.10 1.20 1.30 1.40 1.50 1.60 1.70 1.80 1.90 2.00
CFM RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP
2-HP Standard Motor 2-HP Standard Motor & High Static Drive Kit
& Drive (or 3-HP Oversized Motor & Drive)
2400 1076 1.51 1110 1.62 1143 1.72 1176 1.83 1206 1.94 1238 2.05 1267 2.16 1297 2.28 1325 2.40 1353 2.52
2700 1120 1.82 1152 1.93 1183 2.05 1214 2.17 1243 2.28 1273 2.40 1302 2.52 1330 2.64 1357 2.76 1385 2.89
3000 1172 2.15 1201 2.29 1229 2.42 1257 2.55 1285 2.68 1312 2.80 1340 2.93 1367 3.06 1395 3.19 1421 3.33
3300 1227 2.56 1255 2.69 1281 2.83 1307 2.97 1333 3.11 1359 3.26 1384 3.40 — — — — — —
3600 1287 3.06 1312 3.18 1337 3.31 1361 3.45 — — — — ————————
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.
2-HP Standard Motor & High Static Drive (or 3-HP Oversized Motor)
Table PD-45 — Continued
External Static Pressure (Inches of Water)
1.10 1.20 1.30 1.40 1.50 1.60 1.70 1.80 1.90 2.00
CFM RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP
2-HP Standard 2-HP Standard Motor & High Static Drive Kit
Motor & Drive (or 3-HP Oversized Motor & Drive)
2400 1101 1.59 1134 1.69 1166 1.80 1197 1.90 1229 2.02 1259 2.13 1287 2.25 1317 2.37 1344 2.48 1373 2.61
2700 1148 1.92 1180 2.04 1210 2.15 1241 2.27 1269 2.39 1299 2.51 1326 2.62 1354 2.74 1383 2.88 1409 3.00
3000 1204 2.30 1232 2.43 1260 2.56 1287 2.69 1316 2.82 1344 2.95 1370 3.07 1397 3.20 1423 3.34 — —
3300 1264 2.74 1290 2.87 1316 3.02 1342 3.16 1367 3.30 1393 3.45 ————————
3600 1327 3.26 1352 3.39 — — — — — — — — ————————
3-HP Oversized Motor & Drive
Table PD-45 — Belt Drive Evaporator Fan Performance — 7½ Ton — YSC090,092A3,A4,AW, AK *H— High Heat —Horizontal Airflow
External Static Pressure (Inches of Water)
.10 .20 .30 .40 .50 .60 .70 .80 .90 1.00
CFM RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP
2-HP Standard Motor & Field Supplied 2-HP Standard Motor & Drive
Low Static Drive (1)
2400 713 0.62 764 0.71 811 0.81 851 0.89 889 0.97 926 1.07 962 1.17 997 1.28 1031 1.38 1067 1.48
2700 790 0.86 837 0.96 880 1.07 919 1.17 955 1.26 989 1.36 1022 1.46 1054 1.57 1086 1.69 1117 1.80
3000 869 1.16 910 1.26 950 1.38 989 1.50 1023 1.62 1056 1.72 1086 1.82 1116 1.92 1146 2.04 1175 2.17
3300 949 1.53 985 1.63 1023 1.75 1058 1.88 1092 2.02 1124 2.15 1154 2.26 1182 2.37 1210 2.48 1237 2.60
3600 1029 1.97 1061 2.07 1096 2.19 1130 2.33 1162 2.48 1193 2.63 1222 2.77 1250 2.89 1276 3.01 1302 3.13
3-HP Oversized Motor & Drive
2-HP Standard Motor & High Static Drive (or 3-HP Oversized Motor)
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.
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.
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.