Models SS103E and SS500EP of the Safe-T-Switch® condensate overflow shutoff switches provide reliable operation, water damage protection, diagnostics, and monitoring of commercial and residential air conditioning systems and their condensate drains.
Driven by variable-frequency drives, the Gen2.0 PremiumPlus+™ brushless permanent magnet motors have motor-only rated point efficiencies of 93 percent and 92 percent for 3- and 5-hp versions respectively. They are packaged in standard NEMA frame sizes and mounting dimensions for easy substitution.
Handling tubes up to 3/8-inch diameter, the Small Diameter Vertical Bend Hairpin Bender (SD VBHB) is available. It features throughput capacities of up to 4,000 hairpins per hour. Production capabilities include 8 tubes/cycle for all diameters.
The NEWS reports on new products found by our editors at the recent AHR Expo in Chicago. Products are listed in alphabetical order within each category.
A full lineup of fluid sensing and power products for residential and commercial HVACR applications is available. Residential components include condensate overflow switches and fluid level and flow sensors for a/c compressor coils; proximity and position sensors and reed switches for furnaces; and more.
With a pressure relief valve included, the tankless water heater kits consist of separate hot and cold valves. The hot and cold valves are available in union x threaded or union x solder ends with an integral ¾-inch FNPT relief valve port.
Enhancements to the entire Fiberglas™ pipe insulation product line, along with the company’s SSL II® positive closure system, deliver consistent pipe insulation sections that are easier to install and have a smooth appearance. In addition, the pipe insulation cartons have been upgraded to make them sturdier to withstand the rigors of jobsites.
The CoreSense™ Diagnostics electronics modules in Copeland Scroll® compressors unlock advanced capabilities in fixed-speed and two-stage compressors. Designed to help contractors troubleshoot residential air conditioning systems, the modules use the compressor as a sensor.
Time of use (TOU) rate structures have long been touted as a necessity for utility companies to incentivize homeowners and building owners enough to embrace demand response systems. According to John Galyen, president of Danfoss North America, “Smart meters will change the game.”
When it comes to motors, drives, and variable speed technology, manufacturers keep rolling out new products designed to increase efficiency. Here are just a few of the latest offerings that contractors may want to consider.