674 EWAS-TZPRD Inverter screw with PLATINUM efficiency. Reduced sound. J Refrigerant R-513A J New generation of air-cooled inverter series with extension of capacity range: Nominal capacity up to 1,850 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 J Unique fully integrated active harmonic filtration solution J Performance monitoring J MicroTech 4 controller: sophisticated adaptive software logic for stable operating conditions EWAS-TZPRD 285 330 370 405 450 490 Capacity control Method Stepless Minimum capacity % 23 20 18 30 28 25 Dimensions Unit Height mm 2,553 Width mm 2,238 Depth mm 4,720 5,800 6,880 Weight Unit kg 3,895 4,376 5,170 5,256 Operation weight kg 3,983 4,469 4,474 5,283.1 5,392.3 5,397.3 Air heat exchanger Type Microchannel Compressor Type Screw compressor Quantity 1 Fan Type Direct propeller Quantity 8 10 12 Air flow rate Cooling Nom. l/s 37,770 47,213 56,660 Sound power level Cooling Nom. dBA 88 88.7 90.1 87.8 88.2 88.9 Sound pressure level Cooling Nom. dBA 67.7 68 69.4 66.6 67 67.8 Operation range Air side Cooling Min.~Max. °CDB -20 ~42 Refrigerant Type/GWP R-134a/630 Charge kg 40 45 50 55 60 65 Circuits Quantity 1 Piping connections Evaporator water inlet/outlet (OD) 88.9mm 139.7mm Unit Starting current Max A 0 Running current Max A 220 258 285 293 352 404 Power supply Phase/Frequency/Voltage Hz/V 3~/50/400 EWAS-TZPRD 530 575 615 675 735 Capacity control Method Stepless Minimum capacity % 13 12 11 10 Dimensions Unit Height mm 2,553 Width mm 2,238 Depth mm 7,960 9,040 Weight Unit kg 5,949 6,431 6,547 Operation weight kg 6,279 6,284 6,771 6,781 6,945 Air heat exchanger Type Microchannel Compressor Type Screw compressor Quantity 2 Fan Type Direct propeller Quantity 14 16 Air flow rate Cooling Nom. l/s 66,098 75,540 Sound power level Cooling Nom. dBA 90.6 90.7 91.1 91.3 92.1 Sound pressure level Cooling Nom. dBA 69 69.1 69.2 69.4 70.2 Operation range Air side Cooling Min.~Max. °CDB -20 ~42 Refrigerant Type/GWP R-134a/630 Charge kg 75 80 85 95 100 Circuits Quantity 2 Piping connections Evaporator water inlet/outlet (OD) 168.3mm Unit Starting current Max A 0 Running current Max A 399 429 468 508 535 Power supply Phase/Frequency/Voltage Hz/V 3~/50/400
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