Water Cooled Screw Chiller ZKEW Series Manual

·      37 Models from 70 to 1000 TR [246 to 3517 kW]. ·      Multiple compressor units provide redundancy and favorable part load efficiency. ·      One-year parts warranty at no extra cost.   Compressor(s)   ·      Improved, quiet, reliable MSC Vertical Rotary Screw Compressors with up to 2 integral oil separators.  ·      Optimized for R134a and optimized volume ratio for best efficiency.  ·      Improved rpm and noise level.  ·      Optimized rotor drive.  ·      Improved rotor and anti-reverse rotation bearing design.  ·      Optimized VI port position and geometry.  ·      Multiple rotary screw compressors designed for better reliability and redundancy.  ·      Welded hermetic design with no requirement for internal parts service, no periodic compressor tear down and overhaul, and eliminates casing leakages.  ·      Consistent loading and unloading with a dependable slide valve mechanism.  ·      No external oil pump required.  ·      Double-delta motor winding with 1/3 lock-rotor amps at start-up. Star-delta motor winding for MSC 226 mm series. ·      Vapor injection cycle to increase capacity and improve efficiency.   Evaporator/Condenser   ·      Cleanable and Removable Integral Fin Copper Tubes. ·      One, Two, or Three Water Passes Available. Removable Water Heads. ·      Victaulic Groove Water Connections. ·      Vessel designed according to ASME Code, approved and certified by JKKP. ·      Relief Valves(s) standard - 3/4" FPT or 1” PPT. ·      Full Pump Down Capacity in Condenser.