Carrier is offering an electronically commutated motor (ECM) direct-drive fan option for the Aero® 39M commercial air handler product line. According to company officials, adding the new ECM fan option enables customers to further improve the system’s energy efficiency. Onboard electronics determine the position of the rotor, which then provides an electronic pulse to actuate the motor windings.
Johnson Controls says its new SMART Equipment Controllers (SEC) use a smart mobile device interface that gives engineers the flexibility to easily access their Johnson Controls water-to-air water source heat pump controls through any Wi-Fi-enabled device and any internet browser. The controllers feature an onboard backlit local display with pushbuttons and BACnet Automatic Discovery support that enables integration into any BACnet BAS.
Laars Heating Systems now offers a 150- to 2,500-gallon electric water heater from 12 to 360 kW. The systems feature 150 psi ASME code glass lining, ASME temperature and pressure relief valve, internal fusing (above 120 amps), and magnesium anode rods.
Kohler Power Systems is launching an all-new line of large natural gas generators designed specifically for standby, prime, or continuous power applications in the North American market. The new line of large gas gensets, which will be available in nodes ranging from 425 kW to 1,300 kW, meet Environmental Protection Agency (EPA) operational requirements and offer advanced control and monitoring capabilities through the Kohler Decision-Maker® 8000 digital controller.
The Grundfos Hydro MPC BoosterpaQ® is a fully-integrated and compact pressure-boosting system that offers multiple configurations — with up to six pumps in parallel — to accommodate water supply systems, as well as industrial and irrigation applications.
Greenheck’s new Fire Ready Hood, Model GRRS, functions as a standard ventilation range hood with the added capacity to suppress stove-top fires, addressing the challenge of protecting residential-style appliances used in commercial settings.
To meet the need for optimum efficiency and energy savings across all building loads, Armstrong Fluid Technology has announced that its Design Envelope pumps are now also available for use with single phase power up to 7.5 hp.
The new Greenheck Model EAD-635, an adjustable blade louver in a 6-in deep frame, incorporates a drainable head member and adjustable drainable blades to channel water to the jambs that guide the water through vertical downspouts for escape at the sill.
Paxton Corp. has introduced the V43 stainless steel control valve in sizes .5 in to 2 in NPT. The V43 has been tested by an independent laboratory and found to comply with the new federal, low lead law, ANSI/NSF 372-2011, maximum 0.25% lead.
Bitzer is now offering a range of compressor units for use with the natural refrigerant ammonia (R717). The Bitzer ammonia compressor packs (ACP) are available with a capacity range of 100 to 450 TR. The modular compressor units comprise up to three compressors. For higher capacities, as many as three compressor packs can be connected (up to 9 compressors) and connected to a single controller, increasing the overall capacity up to 1,200 TR. The company says this is ideal for industrial systems.