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Intelligent Energy Management Made Simple

Intelligent Energy Management Made Simple. Cooling problems. Server manufacturers specify inlet air temperatures Conventional controls don’t measure it Overcooling Inefficiency Hot spots. Cooling control is difficult. Open plan design All cooling units affect all areas

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Intelligent Energy Management Made Simple

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  1. Intelligent Energy Management Made Simple

  2. Cooling problems • Server manufacturers specify inlet air temperatures • Conventional controls don’t measure it • Overcooling • Inefficiency • Hot spots

  3. Cooling control is difficult • Open plan design • All cooling units affect all areas • Redundant cooling units • Can lead to “fighting” • Custom control software is expensive and unreliable • Can’t have a PhD commission every datacenter

  4. What we do < 2yr ROI Control Analysis Insight

  5. How we do it • Measure inlet air temps • Supervisory control • Learning algorithms • Installed in days Wireless Module Temperature Probes

  6. Recommended deployment strategy Install controls first Immediate automated energy savings Excellent complement to IT-side best practices Persistent Commissioning™ Determine where and how to improve Cost effective deployment of best practices

  7. Case Study 1 – Franchise Tax Board The Data center: • 10,000 SF • 12 CRAH’s (22 tons each) • 40% built out The solution: • 50 wireless inlet server temperature sensors • 4 VFDs installed • Re-arranged tiles • Reset setpoints of CRAHs • Automatic start-stop of CRAHs

  8. Case Study 1 – Energy Savings Software shut off 6-8 CRAH units • All temperatures within ASHRAE recommended range 310,000 kWh/year saved • 245,000 kWh/year fan savings • 65,000 kWh/year chiller savings $27,900/year saved ($0.09/kWh) 58% reduction in fan energy usage 13.4% reduction of total datacenter energy usage

  9. Case Study 2 – Bay Area • The Data center: • 5,000 SF • 6 CRAH’s (22 tons each) • 130 racks • The solution: • 48 inlet air temperature sensors • 6 VFDs with wireless controls • No other efficiency measures taken • One-day installation

  10. Case Study 2 – Energy Savings • 300,000 kWh/year saved • 218,000 kWh/year verified fan savings • 82,000 kWh/year estimated chiller savings • $27,000/year saved ($0.09/kWh) • 80% reduction in fan energy usage • 17% reduction of total datacenter energy usage

  11. Customer perspective

  12. Summary Excellent ROI from supervisory cooling control Quick and non-intrusive installation Enables cost-effective application of best practices Excellent complement to IT-side best practices

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