Wilo USA announced an extended range of models for the Wilo-Stratos GIGA line of centrifugal pumps to include 3- and 4-in. models, bringing the total offering of the Wilo-Stratos GIGA line to 28 models.
Noritz has expanded its line of combination boilers with the new Noritz Residential Combination Boiler (NRCB), which the company says allows for simultaneous residential domestic hot water and space heating and performs at a 95% AFUE.
Larson Electronics LLC has released a new explosion proof evaporative cooler. This explosion proof galvanized air chiller combines a non-sparking fan and dry mist technology to cool Class 1, Division 1 work areas that do not have access to traditional air conditioning.
Greenheck’s new Model APD plenum fan features a direct drive fan with the wheel connected to the motor shaft. With no fan shaft bearings or belts to maintain, the company says its Model APD eliminates the cost and maintenance associated with traditional belt drive plenum fans.
The latest multi-zone split system from Fujitsu is the AOU45RLXFZ, five-zone heat pump. The heat pump system permits connection of between two and five indoor units to one outdoor condensing unit. The company says the system offers high efficiency operation of up to 19.7 SEER and 10.3 HSPF.
Sterling HVAC announced the commercialization of the Xcelon system, a rooftop make-up air unit that combines hydronic condensing boiler technology with advanced air distribution and heat recovery methods for levels of efficiency up to 98%. Conceptualized and developed by Sterling, the Xcelon’s engineering integrates hydronic technology, a new air distribution system, and an integrated control platform to produce ultra-high efficiencies.
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.
Daikin Applied now offers fan array options for its Vision™ indoor, Skyline™ outdoor, and custom air handlers. Daikin’s fan array options, in combination with the modular air handler design and 2-in cabinet variable dimensioning, provide specifying engineers with a number of configurations for design flexibility.
Engineered Systems magazine’s June 2019 issue examines the role of HVAC systems and power in colleges and universities via the decentralization of a Missouri college’s central boiler plant, an examination of ventilation considerations in Group R-2 facilities, the steps engineers should consider when overcoming unanticipated boiler room setbacks, common calculations and considerations regarding NFPA 92, and much more.