688 Air cooled Inverter screw free cooling with BLU 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 EWFD-TZBSD EWFD TZ-D BS 275 320 345 400 470 510 525 Cooling Capacity (1) kW 369.3 428 465.2 559.3 618.4 686.7 708.2 Power input (1) kW 109.9 119 138 167.3 196 200.4 206.7 EER (1) 3.36 3.6 3.37 3.34 3.16 3.43 3.43 SEER (1)(2) 4.949 5.245 5.331 5.382 5.141 4.802 5.364 ηs,c (3) % 195 207 210 212 203 189 212 SEPR (1)(2) 5.783 6.064 5.847 5.756 5.633 5.859 5.798 IPLV (5) 5.248 5.612 5.562 5.76 5.549 5.137 5.729 Full Free Cooling Temperature (12) °C 3.27 7.12 5.99 3.08 1.21 4.5 3.97 Flow rate (1) l/s 12.7 14.7 16 19.2 21.2 23.6 24.3 Evaporator Pressure Drop free cooling OFF (1)(6) kPa 15.3 20.4 23.8 44.3 53.4 29.8 38.6 Unit pressure drop free cooling ON (12)(6) kPa 96 74.3 85.2 128 154 96.4 115 Sound Power (1)(7) Lw dB(a) 97 98 100 97 99 98 Lw with + OP76b dB(a) 95 97 96 98 97 Number of circuits / Compressors 1 2 1 Water volume – open loop Free Cooling Lt 40 42.7 270 58.1 Minimum Water flow rate (10) l/s 7.6 5.94 8.6 10.2 Dimensions Length mm 2,560 3,640 4,720 Width mm 2,238 Height mm 2,553 Weight (8) Unit (8) kg 2,626 3,136 3,136 3,581 4,045 4,154 Operating weight (8) kg 2,847 3,432 3,907 3,917 4,662 4,581 Water Connection Size Ø mm 88.9 139.7 168.3 139.7 Unit Running Current (1)(8)(11) A 178 192 220 270 312 327 328 Max Running Current (7)(8)(11) A 220 262 284 346 362 411 400 Current for Wiring Sizing (8)(11) A 242 287 287 381 398 452 440 Max Inrush Current (8)(9)(11) A 0 EWFD TZ-D BS 275 320 345 400 470 510 Cooling Capacity (1) kW 369.3 428 465.2 559.3 618.4 686.7 Power input (1) kW 109.9 119 138 167.3 196 200.4 EER (1) 3.36 3.6 3.37 3.34 3.16 3.43 SEER (1)(2) 4.949 5.245 5.331 5.382 5.141 4.802 ηs,c (3) % 195 207 210 212 203 189 SEPR (1)(2) 5.783 6.064 5.847 5.756 5.633 5.859 IPLV (5) 5.248 5.612 5.562 5.76 5.549 5.137 Full Free Cooling Temperature (12) °C 3.27 7.12 5.99 3.08 1.21 4.5 Flow rate (1) l/s 12.7 14.7 16 19.2 21.2 23.6 Evaporator Pressure Drop free cooling OFF (1)(6) kPa 15.3 20.4 23.8 44.3 53.4 29.8 Unit pressure drop free cooling ON (12)(6) kPa 96 74.3 85.2 128 154 96.4 Sound Power (1)(7) Lw dB(a) 97 98 100 97 99 Lw with + OP76b dB(a) 95 97 96 98 Number of circuits / Compressors 1 2 Water volume – open loop Free Cooling Lt 40 42.7 270 Minimum Water flow rate (10) l/s 7.6 5.94 8.6 Dimensions Length mm 2,560 3,640 4,720 Width mm 2,238 Height mm 2,553 Weight (8) Unit (8) kg 2,626 3,136 3,581 4,045 Operating weight (8) kg 2,847 3,432 3,432 3,907 3,917 4,662 Water Connection Size Ø mm 88.9 139.7 168.3 Unit Running Current (1)(8)(11) A 178 192 220 270 312 327 Max Running Current (7)(8)(11) A 220 262 284 346 362 411 Current for Wiring Sizing (8)(11) A 242 287 381 398 452 Max Inrush Current (8)(9)(11) A 0 (1) Standard Rating at Ambient 35°C Inlet temperature 26°C, leaving temperature 18°C: Fluid Ethylene glycol 25%, Fouling factor = 0; | (2) Seasonal Energy Efficiency Ratio as defined in EN14825, part load condition in cooling for Air to Water units, fan coil application, variable outlet, variable flow; | (3) The seasonal space cooling energy efficiency ηs,c is calculated as defined in Regulation (EU) 2016/2281 the seasonal energy efficiency ratio SEER divided by the conversion coefficient CC (2.5), corrected by contributions accounting for temperature control (0.03); | (4) Seasonal Energy Performance Ratio as defined in EN14825, part load condition in cooling for Air to Water units, high temperature application; | (5) Based on AHRI conditions; | (6) Fluid: Ethylene Glycol 25%, not including filter pressure drop. The installation of the filter is mandatory; | (7) Sound power level measured in accordance with ISO9614, referred to unit operating at Standard Rating Conditions for Air to water chillers according to EN14511:2 Outdoor Heat exchanger inlet dry bulb temperature 35°; Indoor heat exchanger inlet water temperature 12°C, outlet water temperature 7°C; | (8) This are intended as guideline only and referred for unit without options. Refer to dedicated wiring diagram and unit nameplate for specific values; | (9) Determined as follow: LRA of largest compressor + FLA of remaining compressors + FLA of the fans. Value intended as guideline. Refer to unit nameplate for specific value; | (10) Minimum flow rate in variable flow application in correspondence of minimum chiller capacity, supply temperature 7°C, fluid: water; | (11) Value refered to 400V/50Hz power supply. ±10% tolerance on Voltage, Voltage unbalance between phases must be within ± 3%; | (12) Inlet 26°C, Leaving 18°C, Fluid: 25% Ethylene Glycol, Fouling factor = 0. 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 Glycol free application J MicroTech 4 controller: sophisticated adaptive software logic for stable operating conditions
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