Tate Airflow is introducing an upgrade to the existing line of SmartAire® automatic VAV dampers. The company says the new SmartAire® MZ offers four independent control zones, a simplified user interface on the unit and on screen, and greater integration with existing DCIM and BAS systems.
NexRev Inc., announced the availability of the DrivePak™ Advanced Rooftop Control (ARC). The control is an expanded model of the company’s DrivePak HVAC retrofit upgrade, which the company says incorporates advanced controls allowing customers to further capitalize the savings from DrivePak as well as additional prescriptive energy rebates and incentives.
Chromalox has introduced the 1/16 DIN single loop temperature and process controller. The Chromalox model 6060 controller offers such features as two PID sets, multiple inputs and outputs, heat/cool operation, soft start function, self-tuning startup, and optional Modbus/RTU RS485 communications.
Danfoss says it has developed the new TU with F-charge TXV to help OEMs meet the new U.S. Department of Energy commercial refrigeration energy efficiency standards. The new F-bulb charge delivers low superheat in low- and medium-temperature refrigeration ranges, includes asymmetric ballast material that is proven to deliver more stable temperature control and, like all Danfoss TXV bulb charges, is HCFC-22 free.
Harsco Corp. announced a planned market introduction of its all-new NURO™ touchpad control platform for its Patterson-Kelley boiler product line. Developed exclusively by Harsco, the proprietary NURO™ is the latest in the company’s Patterson-Kelley line of customer-focused boiler product innovations, including the introduction last year of its energy-efficient SONIC™ stainless steel boiler and its MACH N’ROLL™ domestic hot water heating system.
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.