Test Drive carrier katalog | Page 146

centrifugal liquid chillers Industrial 19XR/XRV Options/accessories • Two types of unit-mounted variable frequency drives (VFDs): standard and high tier, to match different customer requirements in terms of cost and electrical performances • Refrigerant isolation valves allow the refrigerant to be stored inside the chiller during service • Pumpdown unit, combined with the refrigerant isolation valves, eliminates complex connections to portable transfer systems • Unit-mounted starter reduces machine installation time and expense • High-voltage motors available: 3000 V, 3300 V, 6300 V • CCN/JBus: remote connection • 21 bar water heat exchanger • Nozzle with flanges (water inlet/ outlet with flanges) • Delivered in four sections to facilitate the installation Features • Nominal cooling capacities from 1000 to 5300 kW. • Mix-match capabilities – a complete line of compressors and heat exchangers to ensure the optimal combination of machine components regardless of capacity, lift and efficiency specifications. • Hermetic compressor – elimination of leak risks from the compressor/motor shaft sealing in an open compressor. • Single-stage compressor with special features – aerodynamically contoured impellers, variable inlet guide vanes and movable diffusers for better product reliability and compressor part and full-load operating efficiency. • Variable speed compressor capability – improvement of part load efficiency and electrical performance. • Heat exchangers certified by the European pressure vessels code (PED). • Carrier numerical product integrated control offers unmatched flexibility and functionality. Each unit integrates directly with the Carrier Comfort Network (CCN), providing a system solution to controls applications. Numerical control 144