Magnetic bearing centrifugal chiller
YZ
Proven Firsts
Groundbreaking YORK innovations refined over decades of real-world use have been brought together to create a revolution in chiller design and optimization . It ’ s everything we ’ ve learned to-date , and then some .
Variable-Speed Drive : Four decades ago , YORK introduced the first variable-speed drive ( VSD ) chiller . And we ’ ve since installed more VSD chillers than all other manufacturers combined . A VSD is standard on the YORK YZ .
Magnetic Bearing Driveline : In 1998 , YORK Navy Systems pioneered reliable magneticbearing technology to cool submarines . The same durable and efficient technology is used on the YORK YZ .
Optimized Compressor : An optimized , single-stage design enables YORK chillers to provide the best possible real-world energy efficiency . YORK YZ compressors also lead the industry with the widest operating range at offdesign conditions where systems most often operate . New advanced aerodynamic system has been designed to operate with low GWP refrigerant R1233zd .
Low-Pressure Chiller : For most of the past century , the YORK centrifugal chiller portfolio has offered low-pressure refrigerants to deliver high-efficiency chillers . The YORK YZ is designed to maximize the efficiency of a new , low-GWP , low-pressure refrigerant .
High-Speed Hermetic Induction Motor : YORK was the first to combine low-maintenance , hermetically-sealed induction motors with variable-speed drives in 2004 to directly drive the compressors in air-cooled chillers . The YORK YZ builds on this reliable , proven technology to power our latest generation of centrifugal compressors .
OptiView Control Panel with Connected Service : The full-color , interactive OptiView control panel of the YORK YZ offers over 100 setpoints , readouts , alerts and trending reports . In addition , data can be securely connected to the cloud-based analytics platform for remote monitoring and predictive diagnostics – another innovation first brought to you in YORK chillers . It is the same control system of YK and YMC 2 .
Falling Film Evaporator : The YORK-patented falling film design of the YORK YZ reduces refrigerant charge up to 60 %, and reduces evaporator shell size up to 20 %, compared to other flooded , lowpressure refrigerant designs . The YORK patented falling film design also eliminates the need for a refrigerant pump .
Capacity Control Logic : This patented YORK control technology provides rapid response to the load on the building , ensuring the YORK YZ Chiller does not waste energy or work harder than needed .
Manufacturer reserves the rights to change specifications without prior notice .
YORK Air-Conditioning Products 75