refrigeration systems

Items Tagged with 'refrigeration systems'

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Checklists Can Help Determine What Is Causing the Problem in a Refrigeration System

Confusing High-Side Temperatures

John Tomczyk

March 22, 2023

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There are several reasons why the compressor discharge temperature of a refrigeration system can be high when the condensing temperature is not, and a checklist can help a technician figure out the root problem.

Refrigeration Solutions Featured at AHR Expo

New equipment and components were on display at this annual HVACR event

Joanna R. Turpin

March 18, 2023

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At the AHR Expo, refrigeration manufacturers displayed their latest equipment and components that are geared toward the commercial refrigeration market.

Steeltec AG Mill in Düsseldorf Producing Ultrafine Grained Steel

High-grade steel doesn't require alloying or special treatment thanks to a controlled thermomechanical processing phase.

February 12, 2023

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Steel produced in this way is noted for improved properties with better dynamic and mechanical characteristics.

Don Fort and intelliGen Refrigeration Controller

Basic Refrigeration: Thermodynamics of Heat Transfer

First in series describes how temperature and pressure changes affect refrigerant

Don Fort

February 1, 2023

2 Comments

Technicians should understand how heat transfer works in a refrigeration system, as well as the four laws that describe how temperature and pressure changes affect the state of refrigerant in a sealed piping system.

Refrigeration OEM Revamps Brazing Operation

Delfield able to cut costs and save time, while keeping quality high

Aaron Storie

January 3, 2023

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Successful companies seem to always look for ways to improve operations. The Delfield Co. recently demonstrated this by taking an in-depth look at their brazing processes for refrigerant systems.

The Trouble with TXVs: Diagnosing the Problem

Technicians need to be patient when adjusting TXVs in refrigeration systems

Justin Bailey

December 8, 2022

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At one time or another, every technician has run into a refrigeration system that is not functioning properly. The question then becomes how to diagnose and determine if the problem is the TXV.

Repairing a System With Multiple Issues

Techs should have patience while troubleshooting so they don’t overlook other problems

Joe Marchese

November 23, 2022

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Repairing refrigeration systems can be challenging, especially when a system has multiple problems. Technicians should have patience during the troubleshooting process, as it is easy to rush to an early conclusion.

Make Sure Universal Replacement Parts Are Right for the Job

Using the wrong part can lead to extra time on a repair and damage the refrigeration system

Joe Marchese

October 9, 2022

No Comments

Before purchasing and installing universal parts, make sure they are the right fit for the system and the repair needed.

Gas Ballast in Vacuum Pump Aids Evacuation

Proper evacuation ensures no atmospheric air remains in a refrigeration system

Joe Marchese

September 3, 2022

One Comment

Proper evacuation of a refrigeration system is an important part of repairing or installing a unit, and the gas ballast in the vacuum pump helps improve the process.

Danfoss Recognizes Pro Refrigeration with 2022 EnVisioneer of the Year Award

August 30, 2022

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Danfoss has named Pro Refrigeration, Inc., as its 13th EnVisioneer of the Year.

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