Baltimore Aircoil Company (BAC) introduced the Nexus™ Modular Hybrid Cooler, a plug-and-play, modular, hybrid fluid cooling system. Company reps said the units are up to 8 feet shorter in height, have a 40% smaller footprint, and are 35% lighter than traditional fluid coolers.
Johnson Controls has released version 3.4 of its SMART Equipment Control Firmware. The new SMART equipment firmware incorporates a new feature known as Continuous Reset Single Zone Control™ (CRSZ Control). Unlike the typical Single Zone Variable Air Volume (VAV) system operation, company reps said the CRSZ Control provides precise control of space comfort while maximizing energy savings.
Johnson Controls has added a new outdoor air handler to its YORK® Solution line of products. The YORK Solution Endura™ includes a zero-penetration roof backed and a 10-year roof warranty. The patent-pending triple-layer roof system has no fasteners, metal seams, or caulking.
Greenheck says it has expanded its line of Dedicated Outdoor Air Systems (DOAS) for high percentage and 100 percent outside air. Pre-engineered rooftop ventilator models RV-110 and RVE-180 with energy recovery offer capacities up to 18,000 cfm, up to 70 tons of packaged cooling, and 1,200 mbh indirect gas-fired heating.
The Ruskin® ADC105 addressable damper controller meets NFPA 80 and 105 life safety remote damper testing requirements. The ADC105 is an addressable module that works with SIMPLEX ES fire alarm panels. With the ADC105 connected to a SIMPLEX fire alarm system, it allows continuous monitoring and alarm capability if something should go wrong. The ADC105 allows for the periodic testing that is required in NFPA 80 and NFPA 105.
According to Ruskin, its EME3625DFLMD louver is the only 3-inch louver to be listed to Air Movement and Control Association (AMCA) standards 540 for impact testing and 550 for high-velocity wind-driven rain. In compliance with Miami-Dade standards, the EME3625DFLMD is constructed of extruded aluminum for low maintenance and high resistance to corrosion.
Fujitsu General’s new Smarter Building Controller — introduced by Fujitsu General and technology partner,Ventacity Systems — offers a plug-and-play building management system for use with Fujitsu General’s Airstage heating, ventilation, and cooling systems.
LG Electronics has launched its redesigned Heat Recovery Units (HRUs) in the United States. Previewed at AHR Expo 2018, the company claims the the upgraded HRUs offer enhanced installation flexibility, an improved system pipe configuration, as well as the addition of six- and eight-port models.
Continental Fan has developed its MFT-S Mixed Flow In-Line Fans, available in 4-, 5-, and 6-inch duct diameters. The company says the fans are ideal for either supply or exhaust ventilation systems and are suitable for air temperatures up to 140ºF.
Engineered Systems magazine’s September 2019 issue questions the need for multiple building codes that cover the same subjects, examines the dos and don’ts of power systems for critical facilities, offers tips on how to select the proper centrifugal pump circuit flow controls, and much more.