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June – 6 th – 2012

Mt. Angel Abbey Library HVAC. June – 6 th – 2012 . Team “ M.A.C.H.V.A.C.”. Design Team Ras Wickramaratne Santiago Rodriguez John Slate Ghassan Mustafa Ali Alsahaf. Support Team Client : Victoria Ertelt PSU Advisor: Dr. David Sailor Design Advisor: Evan Waymire

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June – 6 th – 2012

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  1. Mt. Angel Abbey LibraryHVAC June – 6th – 2012

  2. Team “M.A.C.H.V.A.C.” Design TeamRasWickramaratneSantiago Rodriguez John Slate Ghassan Mustafa Ali Alsahaf Support Team Client: Victoria ErteltPSU Advisor: Dr. David Sailor Design Advisor: Evan Waymire Industry Advisor: Ruwan Jayaweera

  3. Background • Designed by modernist Finnish architect AlvarAalto • Completed in 1970 • 46,000 sq ft., three-story • Collection of over 5000 rare books and antiquities • Under-performing HVAC system

  4. Mission Statement • Model an efficient HVAC system for the Mt Angel Library • Maintain a desired temperature and humidity for thermal comfort • Ensure the safe storage of the valuable collection of books in the library • Utilize computer-aided simulations • Calibrate the model using onsite measurements

  5. Project Plan Brainstorm & Research Data collection Model Design Calculate Heating and Cooling Loads Component selection Model Refinement Recommendations

  6. Model Peak Loads

  7. Model Validation

  8. Component Selection Air-cooled Chiller

  9. Component Selection Air-cooled Chiller

  10. Component Selection Central Cooling Coil (finned tube)

  11. Component Selection Central Cooling Coil (finned tube)

  12. Component Selection Zone Control Dampers Variable Frequency Drive

  13. Component Selection Zone Control Dampers Variable Frequency Drive

  14. Component Selection DDC (digital controls)

  15. EUI= 144 kBtu/ft2

  16. Recommendations

  17. Recommendations • COMPLETE NEW SYSTEM: • 120 TON CHILLER • CENTRAL COILING COIL • ZONE CONTROL DAMPERS • SUPPLY/ RETURN FAN VFD • DDC CONTROLS • ECONOMIZER REPAIR

  18. Recommendations • PHASE I • SYSTEM REPAIR: • ECONOMIZER • PNEUMATIC CONTROLS • BALANCE MANUAL DAMPERS • ADD INSULATION • PHASE II • HYBRID DDC CONTROLS: • NEW DIGITAL HEADEND • EPT SWITCHES ON ACTUATORS • UTILIZE PNEUMATIC POWER • COMPLETE NEW SYSTEM: • 120 TON CHILLER • CENTRAL COOLING COIL • ZONE CONTROL DAMPERS • SUPPLY/ RETURN FAN VFD • DDC CONTROLS • ECONOMIZER REPAIR • PHASE IV • FULL DDC CONTROLS: • REMOVE PNEUMATIC SYSTEM • INSTALL ELECTRONIC ACTUATORS • DCV CO2 SENSORS • HUMIDISTATS IN WORST ZONES • PHASE III • 120 TON CHILLER • CENTRAL COOLING COIL • ZONE CONTROL DAMPERS • SUPPLY/ RETURN FAN VFD

  19. Recommendations

  20. Recommendations

  21. Conclusion

  22.  Questions  Ali Alsahaf Ghassan Mustafa John Slate Santiago Rodriguez RasWickramaratne

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