The School board was tasked with saving energy by looking at existing older HVAC & Chiller systems for opportunities to gain energy and cost savings.
The School board was tasked with saving energy by looking at existing older HVAC & Chiller systems for opportunities to gain energy and cost savings.
1 PagesEnergy Efficiency Case Study Facility: Public Education Facility A grade 9 through 12 high school in North Florida Problem: Gaining more energy efficiency and protecting the environment The School board was tasked with saving energy by looking at existing older HVAC & Chiller systems for opportunities to gain energy and cost savings. This school had two 400Ton Chillers with R11 refrigerant(a CFC), Y-delta starters with constant speed drive system. The Chilled plant configuration was a primary/secondary loop design. Frequently with this design, warm secondary return water(approx 54 degrees F) was mixing with primary chilled water at 44 degrees and pumped by secondary pumps to the school cooling load at elevated mixed temperatures of approximately 48 degrees. A loss of
