739 EWWD-J-SS Microtech 4 EWWD-J-SS Cooling & Heating EWWD-J-SS 120 140 150 180 210 250 280 Space heating Average climate water outlet 55°C General SCOP 4.03 4.11 4.16 4.17 4.17 4.23 3.83 Cooling capacity Nom. kW 119.7 145.7 154.3 177.3 207.3 255.3 284.1 Heating capacity Nom. kW 144.2 175.4 189.8 217.8 252.2 308.4 347.4 Power input Cooling Nom. kW 28.0 34.0 39.5 45.3 50.4 59.9 70.0 Capacity control Method Stepless Minimum capacity % 25.0 EER 4.28 4.28 3.91 3.92 4.11 4.26 4.06 COP 5.20 4.84 4.85 5.04 5.17 4.98 IPLV 5.18 5.06 5.05 5.16 5.70 4.88 Dimensions Unit Height mm 1,020 Width mm 913 Length mm 2,684 Weight Unit kg 1,177 1,233 1,334 1,366 1,416 1,600 1,607 Operation weight kg 1,211 1,276 1,378 1,415 1,473 1,663 1,675 Water heat exchanger - evaporator Type Plate heat exchanger Water volume l 14 18 14 17 20 26 Water flow rate Cooling Nom. l/s 5.7 7.0 7.4 8.5 9.9 12.2 13.6 Water flow rate Heating Nom. l/s 9.3 11.3 12 13.8 16.1 19.8 22.1 Water pressure drop Cooling Nom. kPa 15 14 43 40 35 28 34 Heating Nom. kPa 36 34 103 96 85 68 82 Water heat exchanger - condenser Type Single pass shell and tube Water volume l 20 23 25 29 32 Water flow rate Cooling Nom. l/s 7.1 8.64 9.32 10.7 12.4 15.2 17.0 Water flow rate Heating Nom. l/s 6.93 8.44 9.13 10.5 12.1 14.8 16.7 Water pressure drop Cooling Nom. kPa 20 13 11 15 17 27 Heating Nom. kPa 19 12 11 15 16 26 Compressor Type Single screw compressor Quantity 1 Sound power level Cooling Nom. dBA 89 Sound pressure level Cooling Nom. dBA 79 Operation range Evaporator Cooling Min.~Max. °CDB -10~15 Condenser Cooling Min.~Max. °CDB 23~60 Refrigerant Type/GWP R-134a/1,430 Circuits Quantity 1 Refrigerant charge Per circuit kg/TCO2Eq 18.0/25.7 35.0/50.1 34.0/48.6 37.0/52.9 38.0/54.3 Piping connections mm 76.2 Piping connections Condenser water inlet/outlet (OD) 2" 1/2 4" Unit Starting current Max A 153 197 290 Running current Cooling Nom. A 48 57 67 74 83 97 109 Max A 85 103 114 130 154 178 201 Power supply Phase/Frequency/Voltage Hz/V 3~/50/400 Performances according to CSS software 10.34 Fluid: Water; Fouling factor = 0m 2°C/W Cooling performances: evaporator 12.0/7.0°C, condenser 30.0/35.0°C; Heating performances (Low temperature application): evaporator 10.0/7.0°C, condenser 30.0/35.0°C. Water to water screw heat pump, standard efficiency, standard sound J Compact design to allow easy indoor installation or retrofit operations J Daikin semi-hermetic single screw stepless compressor J High energy efficiency both at full and part load conditions J Chilled water temperatures down to -10°C on standard unit J Optimised for use with R-134a J MicroTech 4 controller with superior control logic and easy interface EWWD-J-SS Screw compressor
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