Last month, we tested readers on commissioning three of the many automatic temperature control (ATC) sequences of operation associated with outdoor air ventilation, space cooling, and also no mechanical heating or cooling required.
Refer to January 2010 B2B for an introduction to energy auditing and energy retrocommissioning. A good guideline for implementing an energy audit is the ASHRAE Procedures for Commercial Building Energy Audits manual.
Helpful HintsRefer to the October 2006 "HVACR Designer Tips" and "Back to Basics," and this month's "HVACR Designer Tips" for additional information. Design Phase Give proper consideration to adequate duct
Retrieving every last bit of performance from the system while stopping short of the surge line is no small feat. Dig into sizing, tower selection, chilled water loads and stability, and condenser water management to leave no efficiency stone unturned. Read more in April issue