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61
RT-PRC006-EN
(4 Ton)
High Efficiency Performance
Data
Table PD-62— Belt Drive Evaporator Fan Performance — 4 Ton — YHC048A3,A4,AW*L,M — Low and 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
1-HP Standard Motor &
Field Supplied Low Static Drive (1)
1-HP Standard Motor & Drive
1280 681 0.26 755 0.32 816 0.38 870 0.45 921 0.51 968 0.58 1013 0.65 1053 0.72 1091 0.79 1127 0.86
1440 748 0.36 817 0.43 876 0.49 927 0.56 976 0.63 1022 0.70 1065 0.78 1106 0.85 1144 0.93 1180 1.01
1600 816 0.47 879 0.55 937 0.62 987 0.70 1033 0.78 1076 0.85 1119 0.93 1158 1.01 1197 1.10 1233 1.18
1760 885 0.61 943 0.69 999 0.78 1049 0.86 1093 0.94 1135 1.03 1174 1.11 1213 1.20 1250 1.29 1286 1.38
1920 956 0.77 1009 0.86 1062 0.96 1110 1.05 1154 1.14 1195 1.23 1232 1.32 1269 1.41 1304 1.50 — —
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
Fan Motor Heat (MBH) = 2.829 x Fan BHP+.4024.
1. Field Supplied Fan Sheave AK61 required. Field Supplied Belt may be necessary.
2. Field Supplied Fan Sheave AK41 required. Field Supplied Belt may be necessary.
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.
1-HP Standard Motor & Field Supplied High Static Drive (2)
Table PD-62 — Continued
External Static Pressure (Inches of Water)
1.10 1.20 1.30 1.40 1.50
CFM RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP
1-HP Standard
Motor & Drive
1280 1162 0.94 1193 1.01 1225 1.09 1255 1.16 1284 1.23
1440 1214 1.09 1247 1.18 1278 1.26 1309 1.35 1337 1.43
1600 1268 1.27 1300 1.35 1332 1.45 — — — —
1760 1320 1.47 — — — — — — — —
1920 — — — — — — — — — —
1-HP Standard Motor & Field Supplied High Static Drive (2)
Table PD-63 — Continued
External Static Pressure (Inches of Water)
1.10 1.20 1.30 1.40 1.50
CFM RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP
1-HP Standard
Motor & Drive
1280 1169 0.96 1201 1.03 1231 1.10 1262 1.17 1290 1.24
1440 1222 1.11 1256 1.20 1286 1.28 1317 1.37 1346 1.45
1600 1278 1.29 1311 1.38 1342 1.48 — — — —
1760 — — — — — — — — — —
1920 — — — — — — — — —
1-HP Standard Motor & Field Supplied High Static Drive (2)
Table PD-63 — Belt Drive Evaporator Fan Performance — 4 Ton — YHC048A3,A4,AW*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
1-HP Standard Motor &
Field Supplied Low Static Drive (1)
1-HP Standard Motor & Drive
1280 698 0.28 769 0.34 828 0.40 881 0.46 932 0.52 978 0.59 1021 0.66 1061 0.73 1099 0.81 1134 0.88
1440 767 0.37 834 0.44 890 0.51 941 0.58 988 0.65 1034 0.72 1077 0.80 1116 0.87 1153 0.95 1190 1.03
1600 837 0.50 899 0.57 955 0.65 1003 0.72 1048 0.80 1091 0.88 1132 0.96 1171 1.04 1209 1.12 1245 1.21
1760 908 0.64 966 0.73 1020 0.81 1067 0.89 1110 0.98 1151 1.06 1190 1.15 1228 1.23 1264 1.32 1300 1.41
1920 981 0.82 1035 0.91 1085 1.00 1133 1.09 1174 1.18 1213 1.27 1250 1.37 1286 1.46 — — — —
1-HP Standard Motor & Field Supplied High Static Drive (2)
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
Fan Motor Heat (MBH) = 2.829 x Fan BHP+.4024.
1. Field Supplied Fan Sheave AK61 required. Field Supplied Belt may be necessary.
2. Field Supplied Fan Sheave AK41 required. Field Supplied Belt
may be necessary.
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.