- YORK®
- Commercial Equipment
- Chilled Water Systems
- Air cooled Chillers
- YVAA Variable Speed Drive Screw Chiller
YVAA Variable Speed Drive Screw Chiller
150-575 TR (525 - 2,020 kW)
With more than 22,000 units installed and proven globally, the YVAA VSD screw chiller has excelled in a variety of applications.
- Customizable for specific job requirements
- Patented, liquid-cooled, variable-speed drive technology
- Available for performance testing in an AHRI-certified lab
Proven Globally. Tailored for You.
The YORK® YVAA Air-cooled Chiller has been proven globally in some of the world's most challenging conditions. With a patented, liquid-cooled, variable-speed drive that produces 15-25% annual energy savings, IPLV as high as 21.3 EER, and up to 0.25 kW/TR reduction in energy use when replacing existing chillers, YORK® has the experience to tailor and tune the YVAA specifically for you.
Benefits
LOWER ANNUAL ENERGY COSTS
Reduce annual energy costs as much as 50% with a liquid-cooled, variable-speed drive for lowest kW/ton at design and off-design conditions.
TRUSTED RELIABILITY
An efficient motor design provides a wide operating range while refrigerant cooling and thermal protection increase compressor reliability.
GREATER VALUE
The YVAA can be tailored and tuned to match the capacity, efficiency, sound and footprint of specific applications.
Features
- Patented YORK® liquid-cooled, variable-speed drive technology
- Patented, stepped VI (volume ratio) technology to match compressor operation to conditions
- Class-leading standard operating range of -10°F to 131°F
- Performance testing on all units in AHRI-certified lab
- 150-500 TR, 524-1750 kW
- Screw compressors designed and manufactured by Johnson Controls
- Reduced energy consumption through reduced refrigerant compression
- Patented hybrid falling film evaporator and microchannel condenser coil
- Optional Quick Start feature
Technical Resources
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- Intelligent controls also optimize the balance between using fans to move air over the free-cooling coils
- Variable-frequency inverter technology enables a zero-inrush soft start and a high-displacement power factor across the entire operating range
- Integrated compressor VSD standard with 50% fewer moving parts
- Excellent capacity control, high power factor and soft start
- Easy access to display and control features via control display access door
- Standard ambient range up to 125°F
- Optional hot-gas bypass
- Optional factory-mounted hydronic-pump kit
- Industry-leading IPLV with variable-speed drive fans
- Optimized compressor for better part-load efficiency
- Building automation system (BAS) communications
