Viconics Electronics has introduced theVTR7300 relay power pack retrofit solution. By making use of existing wiring and including advanced features such as integrated PIR motion sensor, line voltage switching (90 to 277Vac) of both fan and heater loads, as well as network-ready communications (Zigbee wireless, BACnet, or Lon) makes this a simple-to-install and cost-effective solution for updating older fan coil installations to increase energy savings while improving occupant comfort with a quick ROI.
For more information on the new VTR7300 retrofit solution and other Viconics products, visit www.viconics.com.
Leaning on experience and data from various K-12 cities and projects, the author pursues some less conventional design approaches. They may revolve around radiant heating and/or cooling, but depending on school size and other factors, the smart use of heat recovery, DOAS, and improved central plants could also put a project on the HVAC honor roll.