Chilled Water Balancing
What Is Chilled Water Balancing?
Chilled water balancing is a systematic procedure used to adjust and regulate water flow rates across the entire chilled water system—from the chiller plant to air handling units (AHUs) and fan coil units (FCUs).
The objective is to ensure that each terminal unit receives the precise flow rate required to achieve its designed cooling performance.
This process involves using specialized tools such as pressure gauges, flow meters, and balancing valves to measure and fine-tune flows according to design specifications.
Why Is It Important?
- Energy Efficiency: An unbalanced system forces pumps to work harder and chillers to operate longer, leading to increased electricity consumption. Proper balancing minimizes energy use while achieving the desired cooling output.
- Occupant Comfort: Without balancing, some areas may become overly cold while others remain warm. Correct balancing ensures consistent and comfortable temperatures throughout the building.
- Equipment Longevity: Maintaining correct flow rates reduces stress on pumps, chillers, and other system components—preventing premature wear and extending equipment lifespan.
- System Performance: A balanced system delivers optimal performance, meets design requirements, and avoids issues such as noise, vibration, or pressure abnormalities.
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