- YORK®
- Commercial Equipment
- Chilled Water Systems
- Water cooled Chillers
- YZ Magnetic Bearing Centrifugal Chiller
YZ Magnetic Bearing Centrifugal Chiller
150-2,020 TR (530-7,104 kW)
The YORK® YZ challenges conventional, water-cooled chiller design to deliver superior performance, lower cost of ownership and a new definition of sustainability.
- Innovative design with magnetic-bearing driveline
- Variable-speed drive centrifugal compressor
- Low global warming potential (GWP) refrigerant R-1233zd(E)
Fully Optimized for Ultimate Performance
![Fully Optimized for Ultimate Performance](https://tyco.widen.net/content/xpu0xwiaoj/jpeg/CHI_imageleftcontentright_water-cooled-chillers_888791812_9.jpeg?position=c&color=ffffffff&quality=80&u=txn4yx)
Benefits
![Energy Savings](https://tyco.widen.net/content/uuvmobb9rq/jpeg/Sitecore%20Web%20Icons_Energy%20Savings.jpeg?position=c&color=ffffffff&quality=80&u=txn4yx)
The YORK® YZ provides better efficiency at every operating condition, making it the quickest way to save money in your building’s budget.
![Reduced Maintenance Costs](https://tyco.widen.net/content/mgahow1urj/jpeg/Sitecore%20Web%20Icons_Maintenance.jpeg?position=c&color=ffffffff&quality=80&u=txn4yx)
YORK® YZ delivers lower maintenance costs with magnetic bearing technology that uses fewer moving parts and eliminates lubrication needs.
![Peace Of Mind](https://tyco.widen.net/content/nlfyhilpzm/jpeg/Sitecore%20Web%20Icons_Peace%20of%20Mind.jpeg?position=c&color=ffffffff&quality=80&u=txn4yx)
Smart Connected Chiller technology uses remote monitoring and predictive analytics to proactively diagnose issues and reduce downtime.
![Sustainable](https://tyco.widen.net/content/j0l1wiowwg/jpeg/Sitecore%20Web%20Icons_Sustainability.jpeg?position=c&color=ffffffff&quality=80&u=txn4yx)
Optimized design for the highest efficiency and a low-GWP refrigerant make the YORK® YZ Centrifugal Chiller the best choice for the environment.
Features
- With variable-speed drive, a variable-geometry diffuser and magnetic-bearing technology YORK® YZ delivers up to 35% annual energy savings versus traditional, fixed-speed, oil-bearing chillers
- Robust and reliable high-speed, hermetic induction motor reduces maintenance
- This low-pressure chiller has been fully optimized around R-1233zd(E), which has a GWP of 1 and an A1 ASHRAE safety classification
- Data can be securely connected to analytics platform for remote monitoring and predictive diagnostics
- Patented capacity control technology provides rapid response to the load on the building, ensuring the YZ does not waste energy or work harder than needed
- Magnetic-bearing driveline offers outstanding reliability and 80% fewer moving parts than traditional oil- or refrigerant-lubricated drivelines
- Optimized, single-stage compressor design provides best real-world energy efficiency and the widest operating range at off-design conditions
- OptiView™ Control Panel with connected service offers 100 set points, readouts, alerts, trending reports and more
- Patented falling-film evaporator design reduces refrigerant charge up to 60%, and reduces evaporator shell size up to 20%
Johnson Controls earns world’s first ISASecure® Component Security Assurance Certification for Smart Buildings Product
- As cybersecurity threats continue to rise, the ISASecure cybersecurity program has taken a market-leading step into the smart buildings space
- ISASecure CSA certification of the YORK® YK and YZ Centrifugal Chillers exemplifies Johnson Controls leadership in bringing cyber-resilient solutions to the smart buildings market
- Certification to the ISA/IEC 62443-4-2 standard provides assurance that Johnson Controls and the YORK® brand adhere to stringent ISASecure technical security requirements for IACS components
- Certification to the ISA/IEC 62443-4-1 standard provides assurance that Johnson Controls and the YORK® brand adhere to stringent ISASecure development lifecycle requirements
![](/-/media/project/jci-global/york-sites/united-states-york/commercial/images/commercial-landing-page/bts_imageleftcontentright_isa-secure.jpg?h=1037&w=1380&la=en&hash=0F1CB6BA35054A03A56C1D2A23123DF1)
![Person entering values into york](/-/media/project/jci-global/york-sites/united-states-york/commercial/images/commercial-landing-page/chilled-water-systems/chiller-access/bts_promobar_york-chiller-access-manager_v2.jpg?h=259&w=460&la=en&hash=AFC59CE43E1911531DB3586ED57C273A)
More control – More protection – Better records
Learn More about YORK Chiller Access Manager![YORK YZ Oil free Centrifugal Chiller close up.](/-/media/project/jci-global/york-sites/united-states-york/commercial/images/commercial-landing-page/chilled-water-systems/water-cooled-chillers/techapp-images/yz_ch/chi_imageleftcontentright_centifugal-chillers_1_v2.jpg?h=1037&w=1380&la=en&hash=8361EDD47DC0D50E25027DA5F37C9C11)
Not All Oil Free Centrifugal Chillers Are Created Equal
Dependable Operation With Faster Recovery
![YORK YZ Centrifugal Chiller quick restart and recovery time graph.](/-/media/project/jci-global/york-sites/united-states-york/commercial/images/commercial-landing-page/chilled-water-systems/water-cooled-chillers/techapp-images/yz_ch/chi_imageleftcontentright_faster-recovery_1_v2.jpg?h=1037&w=1380&la=en&hash=0100007D0C3F8D517C28C6892C60167F)
Technical Resources
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- Stable operation with entering condenser water temperatures 30°F (16.7°C) below leaving chilled water set point
- Fully integrated, lubrication-free and oil-free design
- Offers exceptional efficiency with below 0.100 kW/ton at part load
- Designed for maximum efficiency in the face of real-world variables, where 99% of the cooling season is spent in off-design conditions
- With the OptiSpeed™ Drive, energy consumption can be as low as .20 kW/TR, reducing annual energy costs by as much as 30%
- Earn LEED® Points with credits for Energy and Atmosphere (EAc1) and for Enhanced Refrigerant Management (EAc4)
- Uses R-134a refrigerant
- Economized refrigeration cycle to extend capacity and improve efficiency
- OptiView™ Control Center continuously monitors system operation
- Two YORK® centrifugal compressors operating in parallel on a common set of heat exchanger shells
- OptiSound™ Control standard
- Full-color OptiView™ Control Center for control management at your fingertip