Description of a chilled-water system, including the basics, design strategies, and control issues.
Topics include:
- Vapor-compression and absorption chiller types
- Air-cooled vs. water-cooled condensers
- Packaged vs. split components
- Equipment rating standards (ARI 550, 590, and 560)
- ASHRAE Standard 90.1
- Components of a chilled-water system
- Coil control (3-way valves, 2-way valves, face-and-bypass dampers)
- Chiller plant design concepts (parallel, series, and primary-secondary or decoupled)
- Combined energy (hybrid) plants
- Low-flow systems
- Variable-primary-flow (VPF) systems
- Heat recovery
- Sidecar arrangement
- Free cooling (plate-and-frame heat exchanger, refrigerant migration)
- Chilled-water system control (chiller sequencing, swing chiller, failure recovery, contingency planning, system optimization, and operator interface)
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