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Variable speed

QGV 90-250kW

Quincy QGV compressor family is engineered to deliver the lower Total Cost of Ownership (TCO) among compressors in their class. Variable Speed Drive operation, along with Quincy’s efficient airend design, ensures that overall energy consumption is minimized. Turndown capability as much as 80% ensures optimum efficiency, letting the QGV act as the trim compressor in all production conditions. Compressors can run with auto-dual control model or network model to provide the stable air demand.

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DOWNSTREAM PRESSURE SIGNAL PROVIDES STABLE PRESSURE

System pressure has a major impact on energy consumption, and the QGV is designed to provide the more stable pressure available from a compressor. Quincy’s downstream signal option allows the compressor to react immediately to pressure changes close to the point of use, eliminating the lag often created by air treatment equipment pressure drop.


SOFT-START MODE ELIMINATES CURRENT PEAKS PENALTIES

QGV's soft-start mode eliminates current peak penalties during starting and allows unlimited startstops. You also save on electrical installations-smaller breakers, fuses, transformers and cables.


LOW DEMAND MODE ELIMINATES UNLOADED POWER

The Quincy QGV Low Demand Mode allows the system pressure to rise above the setpoint prior to stopping the compressor when demand drops below its turndown capability. This prevents system pressure from dropping below acceptable levels, and the QGV never runs unloaded. Allowing the pressure to rise also allows other compressors in the network to be turned off when demand is low.


                                  Typical Ten Year Life Cycle Cost


                                                                                             

STANDARD QUALITY FEATURES DELIVER VALUABLE BENEFITS

- Heavy-duty steel-based frame, totally enclosed, low sound acoustical enclosure

- Positive closure inlet valve

- Siemens / Schneider electric components

- Full flow spin-on oil filter

- Direct driven, permanent shaft alignment

- AirLogic® intelligent control system

- 380V/3P/50Hz IP54 motor

- QuinSyn-Plus® long life synthetic compressor fluid

- High-efficiency converter


PROTECTIVE DEVICES

- Emergency stop button

- Fault alarm shutdown

- High pressure relief valve


OPTIONS

- ES network system

- Remote monitor system

- PLC Controller

- Heavy duty air inlet filter



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