Central Geothermal System

Application Manuals

order-number SYS-APM009-EN
publish-date 2011

Discusses proper design and control of central geothermal bidirectional cascade systems that use borefields.  

Topics include:

  • Geothermal system design considerations
  • Central geothermal system piping
  • In-depth coverage of geothermal system design options (optimum system design features, supplemental heat, energy rejection, contingency cooling, chilled-water pump control)
  • Airside considerations including heating design, economizer control, freeze protection and ASHRAE Standard 90.1 compliance
  • System operation and control