766 EWWH-DZXS EWWH-DZ EWWH-DZXS Cooling Only EWWH-DZXS 230 320 380 430 455 460 640 755 920 945 C11 C13 Space cooling A Condition (35°C - 27/19) Pdc kW 227.08 318.33 376.33 455.13 454.66 474.48 637.15 752.27 917.79 945.8 1,126 1,352 ηs,c % 330 346 342 339 352 354 353 360.2 359.4 364.2 SEER 8.78 8.66 8.67 8.8 8.78 8.32 9.04 9.07 9.06 9.02 9.04 9.13 Cooling capacity Nom. kW 227 318 376 455 461 637 752 918 945.8 1,126 1,352 Power input Cooling Nom. kW 45.6 60.5 71.4 93.3 90.6 79.3 120.5 142.1 158.8 181 216.5 237.7 Capacity control Method Variable Stepless Minimum capacity % 24 21 20 13 12 20 11 10 11 16 EER 4.98 5.27 4.88 5.02 5.81 5.29 5.78 5.22 5.2 5.69 ESEER 7.78 7.97 7.98 7.89 8.06 7.76 8.26 8.3 8.16 - IPLV 9.37 9.52 9.56 9.44 9.5 9.74 9.78 9.74 9.54 9.57 9.71 Dimensions Unit Height mm 1,865 1,985 2,200 2,083 2,225 2,290 Width mm 1,055 1,160 1,270 1,510 Length mm 3,625 3,585 3,580 4,793 4,768 4,812 Weight Unit kg 1,700 1,900 2,000 2,850 2,600 2,900 3,600 3,800 4,350 4,750 5,500 Operation weight kg 1,973 2,216 2,347 3,197 3,344 3,102 3,458 4,292 4,579 5,020 5,540 6,570 Water heat exchanger - evaporator Type Flooded shell and tube Water volume l 70 96 107 134 156 199 229 271.8 317.4 444.3 Water flow rate Cooling Nom. l/s 10.8 15.2 18 20.5 21.7 22 30.4 35.9 43.9 45.2 53.8 64.6 Water pressure drop Cooling Nom. kPa 28.2 24.6 26.8 31.7 27.8 28.6 35.9 33 34.3 30 31 Water heat exchanger - condenser Type Shell and tube Flooded Shell & Tube Water volume l 83 100 120 170 188 211 263 320 359.9 442.6 603.6 Water flow rate Cooling Nom. l/s 13 18.1 21.4 24.5 26.1 25.8 36.2 42.7 51.4 53.8 64.2 76 Water pressure drop Cooling Nom. kPa 24 30 27 35 23 17 25 22 27 26 24 Compressor Type Driven vapour compressor Quantity 1 2 1 2 3 Sound power level Cooling Nom. dBA 87.9 88.9 89.9 91.1 91 91.1 92 93.3 94.3 99 100 101 Sound pressure level Cooling Nom. dBA 69.6 70.6 71.6 72.6 73.6 74.6 75.6 80 81 82 Operation range Evaporator Cooling Min.~Max. °CDB 4~20 Condenser Cooling Min.~Max. °CDB 20~55 20~42 20~55 20~42 20~55 20~42 20~55 20~42 Refrigerant Type/GWP R-1234(ze)/7 Charge kg 120 180 230 320 340 390 Circuits Quantity 1 Refrigerant charge TCO2Eq 1 2 - Piping connections mm 139.7 168.3 219.1 mm 139.7 168.3 219.1 168.3 219.1 Unit Running current Cooling Nom. A 72 99 112 133 144 125 198 222 249 297.8 339.2 374.1 Unit Running current Max A 95 150 123 190 142 300 246 284 451 370 448 Power supply Phase/Frequency/Voltage Hz/V 3~/50/400 Performances according to CSS software 10.27 Water cooled centrifugal chiller, high efficiency, standard sound J No friction loss, no oil contamination, no additional oil management systems and an increased equipment life thanks to the magnetic bearing technology J Excellent part load efficiency J Totally oil-free operation resulting in reduced maintenance costs and increased reliability J Compact footprint through stacked heat exchanger lay-out J HFO R1234zeE Refrigerant with Ozone Depletion Potential equal to zero and extremely low Global Warming Potential J Increased installation flexibility thanks to limited dimensions J Easy handling: thanks to its compact size, it can easily pass through the doorway J MicroTech 4 controller with superior control logic and easy interface J A wide portfolio of options is available to meet different requirements. J The compressor vibration levels are extremely low as a result of the high-speed design Microtech 4 Centrifugal compressor
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