HVAC Product/Literature/Software

Pumps: Grundfos

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Grundfos has released the Comfort PM Auto range of intelligent and energy-efficient hot water recirculation pumps. The company says the pumps eliminate the wait for hot water at showerheads and sink taps. Compared with conventional pumps that run continuously, company officials claim the Comfort PM Auto is capable of reducing energy costs by as much as 96% thanks to the Autoadapt feature, which ensures that the pump runs only when required.


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Air handler: Daikin Applied

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Daikin Applied has added natural gas heating as an option to its Skyline™ commercial outdoor air handler line. The gas heat option provides lower operating cost and increased energy saving solutions for building owners and facility managers, while maximizing HVAC system performance, according to the company.


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Axial fan: Rosenberg USA

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Rosenberg USA released a new version of its ETRI 148V Series AC axial fan featuring an aluminum body that reduces weight by nearly 20% to less than 2 lbs. The company claims its new fans outperform competitive models in airflow by 9% and life expectancy by 33% to 50%.


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Airflow monitoring station: NJK Precision

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Integrating thin film resistor sensing and patented air-sampling technology, the NJK Precision officials said its Air Flow Monitoring Station features an “air foil” and multiple precision-formed air passages (hole pattern) that are integrated into a stainless-steel assembly. Built to order, the structure’s engineered hole pattern can maintain its measuring accuracy even with 50% hole blockage. The system fits into existing ductwork – no duct removal is required. Installation requires cutting an opening, adding a C-Channel insert, sliding the sensor in, and installing a cover plate. No K-factor or in-field adjustments are required.


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Differential pressure transmitter: Omega

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Omega introduced its new series of rangeable, very low differential pressure transmitters which can output either static (gage) pressure or differential pressure. The PX2600 series has four unidirectional and four bi-directional ranges, three selectable outputs (0 to 5 Vdc, 0 to 10 Vdc, 4 to 20 mA 2-wire), pushbutton or remote zero, and four-digit LCD with the ability to show either static or differential pressure.


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Power supplies: B&K Precision

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B&K Precision is offering three new models of its high power programmable DC power supplies, models PVS10005, PVS60085, and PVS60085MR. The new PVS Series delivers output power up to 5.1 kW. The company says they deliver excellent regulation, low noise, and fast transient response times. All models provide a built-in solar array simulator (SAS) function to generate photovoltaic I-V curves. Offering high-power density in a compact 2U form factor, these DC power supplies are suitable for high voltage testing up to 1000 V, motor inverter testing, and solar array testing applications.


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Fabric duct: Ductsox

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DuctSox has added the SkeleCore Pull-Tight™ to its SkeleCore™ line of internal framework systems for fabric duct air dispersion. Pull-Tight is a solution for commercial, institutional, and industrial buildings requiring the benefits and performance of textile HVAC duct, but without the sagging, wrinkling, movement, and sound associated with conventional non-tensioned fabric duct.


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Fans: Greenheck

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Greenheck has expanded its line of mixed flow inline fans with the addition of Model EQB. According to Greenheck, the fan combines the best properties of centrifugal and vane axial fans while providing higher efficiency and lower sound levels. Model EQB’s octagonal housing is manufactured of formed galvanized steel panels coupled with a heavy-gauge steel drive frame for and durability.


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Box Fan: Larson Electronics

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Larson Electronics has released a Class 1 Division 1 explosion proof fan/blower designed for use on a 220 volts AC electrical power system. This explosion proof blower meets UL and ATEX standards for hazardous locations and provides high 4,450+ cfm output for effective airflow in larger spaces.


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Coils: Danfoss

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Danfoss has introduced six higher MOPD, UL approved BJ and BX coils. These new coils have larger pulling force which enables larger AKVH valves to operate in CO2 systems.


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2014 September

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