Energy tips for HVAC controls systems

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Forty years of evolution in HVAC controls have created highly sophisticated Building Automation Systems (BAS) which, when coupled with well designed mechanical systems, are capable of minimizing energy use while maximizing occupant comfort. However, their complexity creates many opportunities to improve energy efficiency through simple maintenance procedures and common program modifications.

This webinar was presented by James Smith, Pulse Energy’s BAS Specialist, and included six simple tips that will save energy and increase the life of system components by helping your BAS run your building more efficiently.

James has 18 years of experience as a factory trained controls technician working on installation and service of BAS systems for Siemens and Johnson Controls in office towers, universities, and hospitals.

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Energy tips for HVAC controls systems

  1. 1. HVAC Controls Energy Saving Tips Presenter: James Smith Building Automation System Specialist
  2. 2. 3 Things You Want to Know AboutThis Presentation1. The presentation will be 45minutes including Q&A2. You can send your questionsto us via the GoToWebinarcontrol panel at any time3. We will send out a link to therecording after the presentation
  3. 3. 5 Energy Saving Tips for HVAC Controls• Basic maintenance tips to reduce energy use – Mechanical inspection of moving parts – Software controls optimization
  4. 4. Inspect Air Handling Unit (AHU) Valves• Heating & cooling valves should be inspected annually• The effect of a passing valve can be hidden by the response of the other valve• Protects against simultaneous cooling & heating
  5. 5. Inspect Mixing Dampers• Mixing dampers should be checked seasonally• Protects against simultaneous cooling & heating as well as incorrect building pressure• The effect of damper failure can be hidden by the response of the coil valves
  6. 6. Add Fresh Air Control• Automatically calculate the fresh air requirements• Protects against excess heating or cooling• Can be hidden by the action of heating and cooling valves
  7. 7. Set AHU Supply Temperatures by Zone Zone A Boiler Air Handling Unit (AHU) Zone B Chiller Zone C• Calculate demand from zone devices to set the AHU temperature• Eliminates over-cooling• Effect of too much cooling can be hidden by re-heat valves
  8. 8. Set Boiler and Chiller Resets by Demand Zone A Boiler Air Handling Unit (AHU) Zone B Chiller Zone C• Reset boiler and chiller temperatures based on AHU valve positions• Protects against excessively hot or cold water, and machine cycling
  9. 9. Bonus Tip: Night Ventilation• Save energy by pre-cooling the building using outside air at night
  10. 10. Bonus Tip: Night Ventilation
  11. 11. Bonus Tip: Night Ventilation
  12. 12. Bonus Tip: Night Ventilation
  13. 13. Bonus Tip: Night Ventilation
  14. 14. Bonus Tip: Night Ventilation
  15. 15. Bonus Tip: Night Ventilation
  16. 16. Bonus Tip: Night Ventilation
  17. 17. Bonus Tip: Night Ventilation
  18. 18. Bonus Tip: Night Ventilation
  19. 19. Bonus Tip: Night Ventilation
  20. 20. Bonus Tip: Night Ventilation
  21. 21. Bonus Tip: Night Ventilation
  22. 22. Pulse Energy Management Software
  23. 23. Pulse™: Occupant Engagement Dashboard
  24. 24. Pulse™: Occupant Engagement Dashboard (Cont’d)
  25. 25. Competition Dashboard
  26. 26. Pulse™: Management Module
  27. 27. Pulse™: Reporting Module
  28. 28. What is Pulse™ compatible with? DDC/BAS Energy Meters Database• Any meter or system that is Modbus or BACnet compatible.• Any meter or system that can produce a KYZ pulse.• Any data source that can transfer data through the internet.
  29. 29. Summary of Hints and Tips• Inspect heating and cooling valves annually• Check mixing dampers seasonally• Calculate fresh air requirements automatically• Calculate demand from zone devices to set the AHU temperature• Reset boiler and chiller temperatures based on AHU valve positions• Save energy by pre-cooling the building using outside air at night
  30. 30. Add Fresh Air Control• Automatically calculate the fresh air requirements• Protects against excess heating or cooling• Can be hidden by the action of heating and cooling valves
  31. 31. Set AHU Supply Temperatures by Zone Zone A Boiler Air Handling Unit (AHU) Zone B Chiller Zone C• Calculate demand from zone devices to set the AHU temperature• Eliminates over-cooling• Effect of too much cooling can be hidden by re-heat valves
  32. 32. Q&A
  33. 33. Q&A
  34. 34. Q&A
  35. 35. Pulse Energy Management Software
  36. 36. Set AHU Supply Temperatures by Zone Zone A Boiler Air Handling Unit (AHU) Zone B Chiller Zone C• Calculate demand from zone devices to set the AHU temperature• Eliminates over-cooling• Effect of too much cooling can be hidden by re-heat valves
  37. 37. Q&A
  38. 38. Q&A
  39. 39. Thank you! Additional questions?  Contact Pulse Energy at: 1-877-331-0530 or at info@pulseenergy.com Look for future and archived webinars on our website: www.pulseenergy.com/resources/webinars

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