ASK 28 ASK 34 ASK 40Fluid volume* [l] 11 11 11Topping up volume [l](minimum–maximum)2 2 2* plus the cooling oil volume of the heat recovery system.Tab. 17 Cooling oil charge quantityHeat recoveryASK 28 ASK 34 ASK 40Additional charge vol‐ume [l]1.2 1.2 1.2Tab. 18 Cooling oil charge (Option W2)ASK 28 ASK 34 ASK 40Additional charge vol‐ume [l]1.2 1.2 1.2Tab. 19 Cooling oil charge (option W3)2.11 Motors and power2.11.1 Compressor drive motorASK 28 ASK 34 ASK 40Rated power [kW] 15.0 18.5 22.0Enclosure protection IP 55 IP 55 IP 55Tab. 20 Compressor drive motorRated speed [min−1] (Mains frequency: 50 Hz):Max. working pres‐sure [bar]ASK 28 ASK 34 ASK 408.0 2960 2960 296011.0 2960 2960 296015.0 2960 2960 2960Tab. 21 Compressor drive motor: Rated speed for 50 HzRated speed [min−1] (Mains frequency: 60 Hz):Max. working pres‐sure [bar]ASK 28 ASK 34 ASK 408.5 3565 3565 35652 Technical Specifications2.11 Motors and power10 Operating Manual Screw CompressorASK 901824 12 EOption W2/W3Option W2Option W3
