POWERCIATTM LX Water chillers teChniCalspeCiFiCations POWERCIATTMLX XE 3428 3828 4008 4408 4608 Start-up current(3) + (4) Standard unit Circuit(a)1 A 587 587 629 629 629 Circuit(a)2 A 629 629 629 629 629 Single power connection point option A 678 691 719 734 733 Unit + Xtra & Super low noise option Circuit(a)1 A 587 587 629 629 629 Circuit(a)2 A 629 629 629 629 629 Single power connection point option A 674 685 714 729 727 Maximum start-up current (Un)(2)+ (4) Standard unit Circuit(a)1 A 587 587 629 629 629 Circuit(a)2 A 629 629 629 629 629 Single power connection point option A 793 809 834 852 851 Unit + Xtra & Super low noise option Circuit(a)1 A 587 587 629 629 629 Circuit(a)2 A 629 629 629 629 629 Single power connection point option A 789 803 829 847 845 (2)Values at the unit's maximum operating condition (as shown on the unit's nameplate). (3)Maximum operating current of the smallest compressor(s) + fan current + locked rotor current of the largest compressor. (4)Standardised EUROVENT conditions, water-cooled exchanger inlet/outlet = 12°C/7°C, outdoor air temperature = 35°C. (a)When the machines are equipped with two power supplies, circuit 1 is intended to supply refrigerant circuit A and circuit 2 supplies the refrigerant circuit B Short circuit current withstand capability (TN system(1)) POWERCIATTMLX HE/XE 0808 to 1528 1858 to 3028 3428 to 4608 Short-circuit withstand current (TN system) Circuit A+B kA 38 50 50 Circuit C+D kA NA NA 50 Unit + single power connection point option A NA NA 50 (1)If another current limitation protection device is used, its time-current and thermal constraint (I²t) trip characteristics must be at least equivalent to those of the recommended protection. Note: The short-circuit stability current values above are suitable with the TN system. 476 476 CATALOGUE 2021