748 EWWH-VZSS EWWH-VZSS Cooling only/Heating only EWWH-VZSS 445 515 550 660 770 860 940 C10 C12 C13 C14 C15 Space cooling A Condition (35°C - 27/19) Pdc kW 443 512 548.51 657.51 767.8 865.2 940.6 1,011.7 1,142.46 1,271.38 1,396.11 1,524.83 ηs,c % 336.4 338.4 336.8 348.4 345.2 318.4 327.2 339.6 331.2 340 345.6 353.2 SEER 8.61 8.66 8.62 8.91 8.83 8.16 8.38 8.69 8.48 8.7 8.84 9.03 Cooling capacity Nom. kW 443 512 549 658 768 865 941 1,012 1,142 1,271 1,396 1,525 Power input Cooling Nom. kW 82.8 98.1 107 123 149 172 188 205 235 254 282 302 Capacity control Method Variable Minimum capacity % 20 10 EER 5.35 5.22 5.15 5.34 5.14 5.02 5 4.93 4.87 5.01 4.95 5.04 IPLV 9.25 9.24 9.48 9.32 8.94 9.08 9.13 9.14 9.3 9.13 9.34 Dimensions Unit Height mm 2,123 2,292 2,487 2,296 2,350 2,338 2,498 Width mm 1,178 1,179 1,233 1,303 1,484 1,487 1,484 1,580 1,627 1,753 Length mm 3,722 3,750 3,690 3,822 4,792 4,508 4,750 Weight Unit kg 2,892 2,928 2,941 3,451 4,237 5,570 5,790 5,820 6,220 6,890 7,260 8,260 Operation weight kg 2,977 3,033 3,053 3,611 4,488 5,980 6,220 6,290 6,690 7,480 7,830 9,070 Water heat exchanger - evaporator Type Flooded shell and tube Water volume l 88 96 134 156 230 270 320 380 Water flow rate Cooling Nom. l/s 21.2 24.5 26.2 31.5 36.8 41.4 45 48.4 54.6 60.8 66.8 72.9 Water pressure drop Cooling Nom. kPa 46 61 52 59 64 39 46 39 50 44 53 45 Water heat exchanger - condenser Type Shell and tube Water volume l 81 102 126 217 180 200 270 250 430 Water flow rate Cooling Nom. l/s 25.5 29.6 31.8 38.1 44.8 50.3 54.8 59 66.8 74 81.4 88.7 Water pressure drop Cooling Nom. kPa 19 17 20 19 17 25 22 25 38 25 32 18 Compressor Type Driven vapour compression Quantity 1 2 Sound power level Cooling Nom. dBA 101 105 107 106 107 108 110 Sound pressure level Cooling Nom. dBA 82 86 88 87 88 89 90 Refrigerant Type/GWP R-1234(ze)/7 Charge kg 125 124 105 145 190 210 230 250 220 280 320 Circuits Quantity 1 2 Piping connections mm 139.7 168.3 219.1 Condenser water inlet/outlet (OD) 168.3mm 219.1mm 168.3/168.3 mm 219.1/219.1 mm Unit Running current Cooling Nom. A 131.0 153.0 167.0 188.0 227.0 264.0 287.0 312.0 353.0 385.0 426.0 458.0 Max A 183 226 235 268 324 374 402 451 493 549 591 647 Power supply Phase/Frequency/Voltage Hz/V 3~/50/400 Performances according to CSS software 10.33 Water cooled screw inverter chiller, standard efficiency, standard sound J Optimized energy efficiency both at full and part load conditions J Compact footprint through stacked heat exchanger lay-out J Heat pump version with reversibility on water side (up to 75°C hot water production) J Multiple options available: sound proof cabinet, rapid restart, removable electrical panel, etc. to adapt the unit to your specific application and need J Thanks to a large operating envelope, the unit is suitable for all possible process and comfort applications J High efficient flooded type heat exchanger allowing maximum unit performances J One or two truly independent refrigerant circuits for outstanding reliability EWWH-VZSS Microtech 4 Inverter technology Screw compressor
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