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RT-PRC005-EN
(4 Ton)
Standard Efficiency
Performance
Data
Table PD-27 — Belt Drive Evaporator Fan Performance — 4 Ton — TSC048A3,A4,AW — Downflow 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 1-HP Standard Motor & Drive
Low Static Drive (1)
1280 — — 616 0.22 677 0.26 734 0.31 787 0.37 834 0.42 878 0.48 919 0.53 959 0.59 997 0.64
1440 596 0.23 663 0.29 719 0.33 772 0.38 823 0.44 871 0.51 914 0.57 954 0.63 993 0.69 1029 0.75
1600 647 0.31 711 0.37 764 0.42 813 0.47 860 0.53 906 0.59 951 0.66 992 0.74 1029 0.80 1065 0.87
1760 701 0.41 758 0.46 811 0.52 856 0.58 901 0.64 944 0.70 986 0.77 1027 0.85 1066 0.93 1102 1.00
1920 755 0.52 807 0.57 859 0.64 903 0.71 945 0.77 985 0.83 1024 0.89 1063 0.97 1101 1.05 1137 1.14
For Standard Evaporator Fan Speed (RPM), reference Table PD-56.
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-61 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.
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.
Ourproduct’s warranty will not be affected.
For Standard Evaporator Fan Speed (RPM), reference Table PD-56
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-61 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.
Table PD-27 — 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 1033 0.70 1069 0.77 1103 0.83 1136 0.89 1170 0.96
1440 1066 0.81 1099 0.87 1133 0.94 1165 1.01 1196 1.08
1600 1099 0.93 1132 1.00 1166 1.07 1196 1.14 1228 1.21
1760 1136 1.08 1168 1.15 1200 1.22 1229 1.29 — —
1920 1172 1.23 1205 1.31 1236 1.39 — — — —
Table PD-28 — 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 1125 0.86 1160 0.94 1192 1.01 1223 1.08 1254 1.15
1440 1169 0.98 1204 1.07 1237 1.15 1269 1.23 1300 1.32
1600 1211 1.13 1247 1.21 1280 1.30 1312 1.39 1343 1.48
1760 1253 1.30 1289 1.39 1322 1.47 — — — —
1920 1295 1.48 — — — — — — — —
1-HP Standard Motor & Field Supplied High Static Drive
Table PD-28 — Belt Drive Evaporator Fan Performance — 4 Ton — TSC048A3,A4,AW — 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 1-HP Standard Motor & Drive
Low Static Drive (1)
1280 604 0.20 683 0.26 756 0.32 816 0.39 869 0.45 920 0.51 967 0.57 1011 0.64 1052 0.71 1090 0.79
1440 660 0.28 731 0.34 800 0.41 862 0.48 914 0.54 963 0.61 1009 0.68 1053 0.76 1094 0.83 1133 0.91
1600 717 0.36 783 0.43 846 0.51 907 0.58 961 0.66 1008 0.73 1053 0.81 1095 0.89 1135 0.97 1174 1.05
1760 774 0.47 837 0.54 894 0.62 952 0.70 1006 0.79 1054 0.87 1098 0.95 1139 1.04 1178 1.12 1216 1.21
1920 833 0.59 892 0.67 946 0.76 998 0.85 1050 0.94 1100 1.03 1144 1.12 1185 1.21 1224 1.30 1259 1.39
1-HP Standard Motor & Field Supplied High Static Drive