York Chillers
York offers a comprehensive range of centrifugal, screw, and scroll chillers known for their reliability, efficiency, and innovative design for commercial and industrial applications.
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Technical Specifications
Capacity & Efficiency
Airflow & Pressure
Dimensions
Power Requirements
Common Issues & Solutions
Surge conditions during operation
Symptoms:
Abnormal compressor noise, high vibration, motor current fluctuations, capacity limitations
Solution:
Verify condenser water flow and temperature, check for non-condensables in refrigerant, ensure proper refrigerant charge, validate surge control parameters in controller, adjust minimum speed settings if necessary.
VFD (Variable Frequency Drive) faults
Symptoms:
Drive alarms, compressor not starting, erratic speed control, overheating drive cabinet
Solution:
Check incoming power quality, inspect drive cooling systems, verify proper grounding, clean heat sinks, update drive firmware if available, replace power modules if diagnostic tests confirm failure.
Evaporator tube fouling
Symptoms:
Reduced capacity, high approach temperatures, increased freezing risk, poor heat transfer
Solution:
Perform eddy current testing to assess tube condition, mechanically clean tubes with appropriate brushes, chemically clean if necessary, verify proper water treatment program, consider coating tubes for heavily fouled systems.
Cost Information
| Service | Average Cost | Cost Factors |
|---|---|---|
| Annual maintenance contract | $3,000-$8,000 | Unit size, service frequency, refrigerant type, geographic location |
| Compressor replacement | $15,000-$45,000 | Compressor type and size, refrigerant type, labor requirements, crane access |
| New York chiller installation | $50,000-$500,000+ | Unit size, refrigerant type, controls package, installation complexity |
| Control system upgrade | $8,000-$25,000 | Controller type, integration requirements, programming needs, monitoring features |
Frequently Asked Questions
What is unique about York's YZ magnetic bearing centrifugal chiller?
The York YZ chiller uses a magnetic bearing compressor that eliminates mechanical friction, oil management systems, and traditional lubrication. It features a variable-speed drive, optimized for low-GWP refrigerant R-1233zd(E), and can achieve up to 35% annual energy savings compared to traditional fixed-speed oil-bearing chillers.
How do York chillers address environmental concerns?
York incorporates several environmental innovations including low-GWP refrigerant options (R-1233zd(E), R-513A, R-514A), ultra-high efficiency designs that reduce carbon footprint, heat recovery options that repurpose waste heat, OptiView controls for optimized performance, and units designed for easy refrigerant containment and recovery.
What control systems are available for York chillers?
York chillers feature OptiView™ control centers with touchscreen interfaces, Smart Connected Chillers with remote monitoring capabilities, integration with Johnson Controls' Metasys building automation system, BACnet/Modbus/LonWorks connectivity options, and predictive diagnostic algorithms that identify potential issues before failures occur.
How do York chillers perform in varied load conditions?
York chillers excel in part-load conditions through variable speed drives that optimize compressor RPM, multiple compressor designs that stage capacity, advanced surge protection algorithms, precision electronic expansion valves, and falling film evaporator technology that maintains efficiency at reduced loads.
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