690 Air cooled Inverter screw free cooling 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 EWFD-TZSSD EWFD TZ-D SS 285 325 380 430 495 520 535 Cooling Capacity (1) kW 382 442.2 497.8 565 668.2 698.1 726 Power input (1) kW 98.8 115.8 134.6 156 185.9 189.7 198.4 EER (1) 3.87 3.82 3.7 3.62 3.6 3.68 3.66 SEER (1)(2) 5.263 5.535 5.711 5.727 5.422 5.128 5.459 ηs,c (3) % 208 218 225 226 214 202 215 SEPR (1)(2) 6.279 6.358 6.233 6.068 6.048 5.816 6.077 IPLV (5) 5.706 5.873 5.918 6.074 5.885 5.419 6.016 Full Free Cooling Temperature (12) °C 8.55 10.12 8.82 7.25 4.91 7.4 6.88 Flow rate (1) l/s 13.1 15.2 17.1 19.4 22.9 23.9 24.9 Evaporator Pressure Drop free cooling OFF (1)(6) kPa 16.3 17.7 35.8 45.1 34.8 31.2 40.5 Unit pressure drop free cooling ON (12)(6) kPa 61.5 53.6 103 98.4 104 84.4 96.1 Sound Power (1)(7) Lw dB(a) 98 98 100 98 97 99 98 Lw with + OP76b dB(a) 96 98 97 99 98 Number of circuits / Compressors 1 2 1 Water volume – open loop Free Cooling Lt 40 48 42.7 58.1 270 58.1 Minimum Water flow rate (10) l/s 7.6 8.5 5.94 10.2 8.6 10.2 Dimensions Length mm 3,640 4,720 5,800 Width mm 2,238 Height mm 2,553 Weight (8) Unit (8) kg 3,136 3,675 4,090 4,154 4,555 4,664 Operating weight (8) kg 3,427 4,045 4,050 4,487 4,576 5,237 5,161 Water Connection Size Ø mm 88.9 139.7 168.3 139.7 Unit Running Current (1)(8)(11) A 161 187 215 253 297 311 316 Max Running Current (7)(8)(11) A 231 272 294 357 372 421 411 Current for Wiring Sizing (8)(11) A 254 298 392 410 463 452 Max Inrush Current (8)(9)(11) A 0 EWFD TZ-D SS 555 585 595 650 645 705 Cooling Capacity (1) kW 747.7 789.3 796.9 872.4 876.4 963 Power input (1) kW 208 229 231.2 270.8 241.3 288.9 EER (1) 3.6 3.45 3.45 3.22 3.63 3.33 SEER (1)(2) 5.08 4.983 5.357 5.32 5.147 5.032 ηs,c (3) % 200 196 211 210 203 198 SEPR (1)(2) 5.179 5.696 5.772 5.472 6.044 5.708 IPLV (5) 5.361 5.308 5.826 5.63 5.508 5.424 Full Free Cooling Temperature (12) °C 6.49 5.74 5.6 4.23 6.78 5.49 Flow rate (1) l/s 25.6 27.1 27.3 29.9 30.1 33 Evaporator Pressure Drop free cooling OFF (1)(6) kPa 34.9 38.1 48.1 56.8 34.5 40.3 Unit pressure drop free cooling ON (12)(6) kPa 93.8 101 112 131 90.6 105 Sound Power (1)(7) Lw dB(a) 99 101 98 101 103 Lw with + OP76b dB(a) 99 98 100 Number of circuits / Compressors 2 1 2 Water volume – open loop Free Cooling Lt 270 58.1 255 Minimum Water flow rate (10) l/s 8.6 10.2 10.7 Dimensions Length mm 5,800 6,880 Width mm 2,238 Height mm 2,553 Weight (8) Unit (8) kg 4,555 4,664 5,083 Operating weight (8) kg 5,242 5,247 5,166 5,176 5,835 5,840 Water Connection Size Ø mm 168.3 139.7 168.3 Unit Running Current (1)(8)(11) A 338 370 365 423 388 459 Max Running Current (7)(8)(11) A 450 481 467 474 523 566 Current for Wiring Sizing (8)(11) A 495 528 480 572 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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