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Emerson Introduces Universal Heat Pump Defrost Control

Product is designed to fit in virtually all single-stage heat pumps

ST. LOUIS — White-Rodgers, a business unit of Emerson and part of the Emerson Climate Technologies business segment, has developed what the company said is the first universal heat pump defrost control.

“Emerson Climate Technologies continues to invest in outdoor electronics supporting the heat pump market,” said Ed Blittschau, vice president of marketing, White-Rodgers. “This product is designed to fit in virtually all single-stage heat pumps, so contractors will be able to reduce their inventory with a single part that replaces over 200 OEM controls.”

Emerson said the control offers flexibility with selectable timed or demand defrost algorithms. Heat pumps with a timed cycle defrost at regular intervals below a set outdoor temperature. By using the demand defrost cycle, many homeowners will get improved efficiency and potential cost savings because it defrosts only when needed.

Additional upgrades include reversing valve shift delay, built-in brown out and short cycle protection with integrated diagnostics to improve troubleshooting. It tracks active faults such as low and high pressure trips, sensor failures, excessive defrost times, or a complete control failure. A fault code sticker is provided to help with diagnostics.

The control comes in a full service kit that includes the universal heat pump defrost control, thermostat, and equipment control harnesses and accessories. It also includes outdoor air and coil temperature sensors that enable outdoor thermostat capabilities.

For more information, go to http://emersondefrostcontrol.com.

For more information about Emerson Climate Technologies, visit www.emersonclimate.com.

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