Commercial Controls

SJE-Rhombus: Variable-Frequency Drive Control Panels

January 28, 2013
Variable-frequency drive (VFD) control panels, the Endura™ line, has been introduced. The Endura PB (Pressure Booster) Control Panel is designed for commercial pressure booster applications using one-to-four VFDs, includes the VFDC-4000 controller and one VFD for each pump.

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Save Energy Systems Inc.: Demand Limiting Controller

January 28, 2013
A new version of the patented Demand Limiting Controller (DLC) includes a number of advanced features such as fresh-air recirculation (based on occupied times, recirculation times, or CO2 levels), integrated management of multistage units, auto/off mode states, and enhanced auto-demand response.

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Continental Control Systems LLC: Electric Power Meters

January 21, 2013
The WattNode Revenue line of electric power meters are designed for use in applications requiring revenue-grade accuracy. The meters meet the accuracy requirements of ANSI C12.1 and C12.20 Class 0.5, and support Modbus, BACnet, or LonTalk® communications protocol.

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Energy Management Cuts Costs

December 24, 2012
Educational sessions at the 35th World Energy Engineering Congress, held Oct. 31 to Nov. 2 at the Georgia World Congress Center in Atlanta, covered a broad range of energy-related topics. Two of particular interest to the HVAC industry included energy management and building commissioning.

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Beckhoff Automation LLC: Building Automation Master Terminals

December 24, 2012
The KL6781 M-Bus master terminal gathers data on energy consumption in building automation solutions. The master terminal extends its range of energy measurement terminals; electricity, water, gas, or energy meters with M-Bus interfaces can be integrated into the firm’s fieldbus-independent bus terminal system.

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E+E Elektronik GmbH: Thermal Flowmeters

December 3, 2012
With the EE771, EE772, and EE776 thermal flowmeters, users can record the mass flow or corrected volume flow in the supply network with the highest possible precision, regardless of pressure or temperature. For example, consumption of compressed air, nitrogen, helium, CO2, or oxygen can be measured.

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Eaton Corp.: Energy Usage Data Meter Gateway

November 19, 2012
The Power Xpert® Gateway 200E gateway collects energy usage data from meters, enabling customers to benchmark energy usage, set energy management goals, determine the effectiveness of energy management initiatives, and reduce their energy costs.

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Resource Conservation Technologies Inc.: Electronic Condensate Management Sensors

October 29, 2012
Both the AquaGuard AG-1100E and AG-1175E are electronic condensate management sensors for metal secondary drain pans. They mount directly to the side of a metal secondary pan in seconds with a single thumbscrew, making any installation — commercial or residential — quick and easy.

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Archetype Ltd.: Water Leak Alarm

October 22, 2012
The Flood Buzz™ Pro is an easy-to-use, to-the-trade-only, low-cost, patent-pending, and effective water leak alarm. It is designed to help mitigate damage caused by water leaks and to serve as a key marketing and relationship building tool for plumbers, HVAC contractors, insurance agents, remediation contractors, and more.

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Distech Controls: LonWorks Programmable Controllers

October 22, 2012
Including a wide range of models, the ECL Series programmable controllers use LonWorks 2.0 technology, providing significantly faster operating speeds and additional functionality. The LonMark-certified products offer a robust, powerful, and feature-rich hardware platform.

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