defrost control | ACHR News

Items Tagged with 'defrost control'

ARTICLES

Troubleshooting Defrost Timers

A faulty defrost timer in a refrigeration system can lead to problems

Joe Marchese

February 21, 2023

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Technicians should learn how to troubleshoot defrost timers, as they can be the culprit if a freezer that uses an electric heater as its supplemental heat source has a frozen evaporator coil.

Diagnosing a Heat Pump Defrost Sensor

Matthew Akins

February 19, 2023

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A split system heat pump's defrost sensor is used to detect ice buildup on the heat pump's outdoor coil. The exact way in which a defrost sensor works can vary.

Grow Rooms Leave No Room for Hazy HVAC

Oklahoma cannabis grower-turned-contractor now plants seeds of client success, stems their impulses toward ‘Hey, bro science’

Robert Beverly

December 6, 2021

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Cannabis grow facilities offer HVAC requirements and pitfalls unlike just about any other application.

KeepRite Debuts Adaptive Defrost System to AHR Expo Attendees

ESP+ electronic package only defrosts when required

Maria Taylor

February 18, 2019

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John Murray, corporate sales manager at KeepRite Refrigeration, has a nickname for the new ESP+ Intuitive Evaporator Control Technology that his company rolled out at this year’s expo. He calls it the LED lightbulb of the refrigeration industry.

Intermatic Inc.: Defrost Controller

July 25, 2016

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This temperature-initiated adaptive defrost control solution is designed to meet pending U.S. Department of Energy (DOE) conservation standards. It uses smart sensing technology to defrost evaporator coils only when needed.

Adaptive Defrost Refrigeration Module Reduces Defrost Cycles by 40%

Designed for walk-in coolers and freezers

July 13, 2016

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Intermatic Inc. has announced a new temperature-initiated adaptive defrost control solution that the company said reduces defrost cycles by 40 percent or more per day in commercial walk-in coolers and freezers.

RAE Corp.: Defrost Control

November 30, 2015

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The Centinel Intelligent Defrost Control System consists of a microprocessor-driven controller, four temperature sensors, and a suction transducer.

Path of refrigerant flow during the hot gas defrost mode.

Troubleshooting Challenge: A Walk-In Freezer That’s Operating Erratically

Jim Johnson

November 9, 2015

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In this troubleshooting situation you are dealing with equipment that has only been in operation for two months. And during that time frame, the customer has complained that at times the box temperature is higher than it should be, but the unit then seems to recover and freeze OK.

Emerson Introduces Universal Heat Pump Defrost Control

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

September 15, 2015

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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.

Frigesco Awarded DECC Funding for Flash Defrost Technology

Flash Defrost Can Reduce Supermarket Cooling Energy Costs by Up to 20 Percent

January 5, 2015

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Frigesco has been awarded new UK Department of Energy & Climate Change (DECC) funding of £102,000 to develop a flash defrost system for use in air-source heat pumps (ASHPs). Flash defrost can reduce supermarket cooling energy costs by up to 20 percent. Field trials in working supermarkets are currently underway.

More Articles Tagged with 'defrost control'

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Items Tagged with 'defrost control'

ARTICLES

Troubleshooting Defrost Timers

Diagnosing a Heat Pump Defrost Sensor

Grow Rooms Leave No Room for Hazy HVAC

KeepRite Debuts Adaptive Defrost System to AHR Expo Attendees

Intermatic Inc.: Defrost Controller

Adaptive Defrost Refrigeration Module Reduces Defrost Cycles by 40%

RAE Corp.: Defrost Control

Troubleshooting Challenge: A Walk-In Freezer That’s Operating Erratically

Emerson Introduces Universal Heat Pump Defrost Control

Frigesco Awarded DECC Funding for Flash Defrost Technology

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