Superior Radiant Products says its SRP Modulus™ adaptive modulating infrared tube heater provides thermal efficiencies in excess of 80%. Rates range from 80,000 to 200,000 Btuh with a 40% modulating differential.
Control Techniques, an Emerson Industrial Automation company, has launched its Digitax ST-X indexing servo motor drive with EtherNet/IP™, a new variant of the company’s Digitax ST series of pulse duty servo drives. Digitax STX is designed specifically for use with Rockwell Automation® PLCs.
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.