730 Air cooled screw condensing unit, standard efficiency, standard sound J One refrigerant circuit with single screw compressor J Compact design J Large operation range (ambient temperature down to -18°C) J Extensive option list (heat recovery option available) ERAD-E-SS ERAD-E-SS Cooling only ERAD-E-SS 120 140 170 200 220 250 310 370 440 490 Cooling capacity Nom. kW 121 144 165 196 219 251 309 370 435 488 Power input Cooling Nom. kW 42.1 51.2 57.7 65.6 74.2 77.0 93.8 123 148 161 Capacity control Method Stepless Minimum capacity % 25.0 EER 2.88 2.82 2.86 2.99 2.95 3.27 3.30 3.02 2.95 3.02 Dimensions Unit Height mm 2,273 2,223 Width mm 1,292 2,236 Length mm 2,165 3,065 3,965 3,070 Weight Unit kg 1,584 1,741 1,936 2,679 Operation weight kg 1,617 1,781 1,981 2,756 Air heat exchanger Type High efficiency fin and tube type with integral subcooler Compressor Type Single screw compressor Quantity 1 Fan Type Direct propeller Air flow rate Nom. l/s 10,924 10,576 16,386 15,865 21,848 21,153 32,772 31,729 Quantity 2 3 4 6 Speed Cooling Nom. rpm 900 Sound power level Cooling Nom. dBA 92.0 93.0 94.0 95.0 Sound pressure level Cooling Nom. dBA 74.0 75.0 76.0 Operation range Saturated suction temp. °C -9~12 Condenser inlet temp. °C -18~48 Refrigerant Type / GWP R-134a / 1,430 Circuits Quantity 1 Piping connections Evaporator water inlet/outlet (OD) 76mm 139.7mm Unit Maximum Starting current A 151 195 288 330 410 Nominal running current (RLA) Cooling A 72 88 98 110 125 129 158 204 244 266 Maximum running current A 86 103 119 132 157 164 198 242 284 298 Power supply Phase/Frequency/Voltage Hz/V 3~/50/400 ERAD-E-SS/SL MicroTech 4 Screw compressor
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