valutazioni - 4, GPA: 3.8
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68 PERFORMANCE DATA (cont) FAN PERFORMANCE DATA — 524A-C WITH HIGH CAPACITY COIL — 1.4-2.4 in. wg ESP UNIT 524A-C (High-Capacity 4-Row Coil) AIRFLOW (Cf m) EX TERNAL STATIC PRESSURE (in. wg) 1.4 1.6 1.8 2.0 2.2 2.4 Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp 1,800 921 1.07 975 1.23 1026 1.39 1074 1.55 1120 1.72 1164 1.90 2,100 942 1.26 997 1.43 1048 1.61 1097 1.79 1143 1.97 1186 2.16 072 2,400 963 1.47 1017 1.66 1069 1.85 1118 2.05 1164 2.25 — — 2,700 987 1.71 1039 1.91 1090 2.12 1138 2.33 1185 2.55 — — 3,000 1015 1.99 1065 2.20 1113 2.42 1161 2.65 — — — — 2,250 930 1.29 986 1.47 1039 1.65 1089 1.84 1136 2.03 1181 2.22 2,600 950 1.53 1005 1.72 1057 1.92 1107 2.13 1154 2.33 — — 090 3,000 980 1.86 1031 2.06 1081 2.27 1129 2.49 1175 2.72 — — 3,400 1018 2.26 1065 2.48 1111 2.70 1156 2.93 — — — — 3,750 1057 2.69 1101 2.92 1144 3.15 1186 3.39 — — — — 3,000 961 1.78 1120 1.98 1062 2.19 1111 2.41 1158 2.64 — — 3,500 1005 2.27 1052 2.49 1098 2.71 1142 2.94 1186 3.18 — — 120 4,000 1058 2.90 1101 3.13 1143 3.36 1184 3.60 — — — — 4,500 1116 3.66 1157 3.91 1196 4.16 — — — — — — 5,000 1176 4.56 — — — — — — — — — — 3,750 912 2.39 971 2.76 1300 3.14 1083 3.54 1135 3.95 1185 4.36 4,300 928 2.75 982 3.13 1036 3.53 1087 3.94 1138 4.37 1187 4.81 150 5,000 956 3.30 1072 3.71 1056 4.13 1104 4.56 1151 5.00 1196 5.46 5,700 990 3.96 1039 4.40 1086 4.85 1130 5.31 1174 5.78 — — 6,250 1019 4.54 1067 5.02 1112 5.50 1156 5.99 1198 6.49 — — 4,500 912 2.75 967 3.12 1019 3.52 1070 3.92 1120 4.35 1168 4.79 5,300 942 3.34 992 3.76 1041 4.18 1088 4.61 1134 5.06 1179 5.52 180 6,000 971 3.95 1020 4.40 1067 4.86 1112 5.33 1156 5.81 1198 6.29 6,800 1005 4.72 1054 5.23 1101 5.75 1145 6.27 1187 6.79 — — 7,500 1036 5.48 1084 6.04 1131 6.61 1174 7.17 — — — — 6,000 961 3.86 1011 4.31 1058 4.77 1104 5.24 1147 5.71 — — 7,000 1000 4.79 1050 5.32 1097 5.85 1142 6.38 1184 6.91 — — 240 8,000 1041 5.88 1090 6.47 1137 7.07 1181 7.67 — — — — 9,000 1086 7.21 1133 7.82 1178 8.47 — — — — — — 10,000 1138 8.83 1240 9.46 — — — — — — — — 7,500 874 5.33 897 5.91 940 6.80 990 7.50 — — — — 8,750 886 5.36 930 6.13 982 7.32 1020 8.10 — — — — 300 10,000 930 6.60 969 7.20 1072 7.89 1045 8.71 — — — — 11,250 976 8.25 1150 8.86 1051 9.49 1086 10.17 — — — — 12,500 1023 10.20 1061 10.88 1097 11.56 — — — — — — LEGEND Bhp — Brake Horsepower Input to Fan ESP — External Static Pressure Bold indicates field-supplied drive is required. Plain type indicates standard motor and standard drive. Underline indicates a different motor and drive combination other than the standard motor and standard drive combination is required. Refer to fan motor and drive tables, pages 79-81, to complete selection. NOTES: 1. Maximum allowable fan speed is 1100 rpm for unit size 300; 1200 rpm for all other sizes. 2. Fan performance is based on deductions for wet coil, clean 2-in. filters, and unit casing. See table on page 70 for factory-supplied filter pressure drop. 3. The medium-static drive and standard motor combination is not available for 300 size. Use alternate motor if medium-static drive is required for these sizes. 69 524A072- 300 524A072- 300 524A072- 300 PERFORMANCE DATA (cont) FACTORY-SUPPLIED FILTER PRESSURE DROP ACCESSORY PLENUM AIR THROW DATA UNIT 524A-B 524A-C AIRFLOW (Cfm) PRESSURE DROP (in. wg) 072 1,800 2,400 3,000 0.05 0.08 0.11 090 2,250 3,000 3,750 0.07 0.11 0.15 120 3,000 4,000 5,000 0.11 0.17 0.23 150 3,750 5,000 6,250 0.06 0.10 0.13 180 4,500 6,000 7,500 0.08 0.12 0.17 240 6,000 8,000 10,000 0.12 0.19 0.26 300 7,500 10,000 12,500 0.15 0.22 0.30 UNIT 524A AIRFLOW (Cfm) VANE DEFLECTION Straight 21.° 45° 072 2,400 39 33 24 090 3,000 45 38 28 102 3,400 49 41 30 120 4,000 55 46 33 150 5,000 45 38 28 180 6,000 50 43 31 240 8,000 60 51 37 300 10,000 76 65 47 Throw distances shown are for 75 fpm terminal velocity. Use the following multipliers to determine throw values for other terminal velocities. TERMINAL VELOCITY (Fpm) THROW FACTOR 50 X1.50 100 X0.75 150 X0.50 ACCESSORY PRESSURE DROP (in. wg) UNIT 524A AIRFLOW (Cfm) DISCHARGE PLENUM RETURN AIR GRILLE HEATING COILS ECONOMIZERHot Water Steam Electric 072 1,800 2,400 3,000 0.06 0.10 0.14 0.01 0.01 0.02 0.10 0.16 0.23 0.10 0.16 0.23 0.04 0.06 0.10 0.05 0.07 0.09 090 2,250 3,000 3,750 0.09 0.14 0.21 0.01 0.02 0.03 0.15 0.23 0.35 0.15 0.23 0.35 0.06 0.10 0.15 0.06 0.09 0.15 102 2,550 3,400 4,250 0.11 0.17 0.24 0.02 0.03 0.04 0.18 0.28 0.41 0.18 0.28 0.41 0.07 0.12 0.19 0.07 0.13 0.19 120 3,000 4,000 5,000 0.14 0.22 0.32 0.02 0.04 0.06 0.23 0.37 0.53 0.23 0.37 0.53 0.10 0.17 0.26 0.09 0.17 0.28 150 3,750 5,000 6,250 0.07 0.12 0.17 0.01 0.02 0.02 0.11 0.17 0.25 0.11 0.17 0.25 0.04 0.07 0.11 0.05 0.07 0.11 180 4,500 6,000 7,500 0.10 0.16 0.23 0.01 0.02 0.03 0.15 0.23 0.33 0.15 0.23 0.33 0.06 0.10 0.15 0.06 0.09 0.15 240 6,000 8,000 10,000 0.16 0.26 0.37 0.02 0.04 0.06 0.23 0.37 0.53 0.23 0.37 0.53 0.10 0.17 0.26 0.09 0.17 0.28 300 7,500 10,000 12,500 0.15 0.24 0.34 0.02 0.03 0.05 0.28 0.44 0.63 0.28 0.44 0.63 0.09 0.16 0.24 0.06 0.09 0.14 ...
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