642 Inverter screw with SILVER efficiency. Standard sound. J Environmentally conscious HFC134a – the most thermodynamically efficient refrigerant for air cooled applications J New generation of air-cooled inverter series with extension of capacity range: Nominal capacity up to 1,950 kW J New single screw compressor geometry allowing performance optimization J Refrigerant cooled inverter mounted on compressor all across the range J Premium energy efficiency both at full and part load conditions J Best capacity with smallest footprint J Microchannel coils EWAD-TZSSD EWAD-TZSSD 285 325 380 430 495 520 535 SEER 5.551 5.737 5.636 5.741 5.434 5.281 5.659 Cooling capacity Nom. kW 283.6 327.3 360.3 426.8 490.9 522.4 530.6 Power input Cooling Nom. kW 84.44 98.36 112.8 131 151.7 162.1 161 Capacity control Method Stepless Minimum capacity % 22 19 17 22 23 11 22 EER 3.4 3.3 3.2 3.3 3.2 3.3 IPLV 5.7 5.8 5.7 6 5.8 5.4 6 Dimensions Unit Height mm 2,553 Width mm 2,238 Depth mm 3,640 4,720 5,800 Weight Unit kg 3,084 3,604 3,968 4,032 4,693 4,513 Operation weight kg 3,164 3,697 3,702 4,070.7 4,155.1 5,033 4,646.1 Air heat exchanger Type Microchannel Compressor Type Screw compressor Quantity 1 2 1 Fan Type Direct propeller Quantity 6 8 10 Air flow rate Cooling Nom. l/s 38,240 50,990 63,730 Sound power level Cooling Nom. dBA 98 100 98 97 99 98 Sound pressure level Cooling Nom. dBA 78 80 77 79 77 Operation range Air side Cooling Min.~Max. °CDB 5 ~46 -20 ~46 5 ~46 Refrigerant Type/GWP R-134a/1,430 Charge kg 40 45 50 60 65 70 75 Circuits Quantity 1 2 1 Piping connections Evaporator water inlet/outlet (OD) 88.9mm 139.7mm 168.3mm 139.7mm Unit Starting current Max A 0 Running current Cooling Nom. A 174.3 202.4 227.4 249.9 281.8 332.1 300.1 Max A 231 272 294 357 372 421 411 Power supply Phase/Frequency/Voltage Hz/V 3~/50/400 EWAD-TZSSD 555 585 595 645 650 705 760 SEER 5.237 5.099 5.556 5.291 5.535 5.2 5.547 Cooling capacity Nom. kW 555.8 586.7 590 646.3 642.1 706.1 760.3 Power input Cooling Nom. kW 177.6 194.1 188.4 202.9 218.2 235.4 225.2 Capacity control Method Stepless Minimum capacity % 10 19 10 17 10 13 EER 3.1 3 3.1 3.2 2.9 3 3.4 IPLV 5.3 5.2 5.8 5.4 5.6 5.3 6 Dimensions Unit Height mm 2,553 Width mm 2,238 Depth mm 5,800 6,880 5,800 6,880 7,960 Weight Unit kg 4,693 4,513 5,177 4,513 5,177 6,151 Operation weight kg 5,038 5,043 4,651.1 5,522 4,661.1 5,527 6,536 Air heat exchanger Type Microchannel Compressor Type Screw compressor Quantity 2 1 2 1 2 Fan Type Direct propeller Quantity 10 12 10 12 14 Air flow rate Cooling Nom. l/s 63,730 76,480 63,730 76,480 89,230 Sound power level Cooling Nom. dBA 99 101 98 101 103 99 Sound pressure level Cooling Nom. dBA 79 80 78 80 82 78 Operation range Air side Cooling Min.~Max. °CDB -20 ~46 5 ~46 -20 ~46 5 ~46 -20 ~46 Refrigerant Type/GWP R-134a/1,430 Charge kg 75 80 90 95 105 Circuits Quantity 2 1 2 1 2 Piping connections Evaporator water inlet/outlet (OD) 168.3mm 139.7mm 168.3mm 139.7mm 168.3mm Unit Starting current Max A 0 Running current Cooling Nom. A 359.1 387.7 340.8 407 384.9 451.6 442.9 Max A 450 481 467 523 474 566 610 Power supply Phase/Frequency/Voltage Hz/V 3~/50/400 J Unique fully integrated active harmonic filtration solution J Performance monitoring J MicroTech 4 controller: sophisticated adaptive software logic for stable operating conditions
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