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Home » FROSTlines

Articles Tagged with ''FROSTlines''

Relay Components

Troubleshooting Potential Relays

A malfunctioning relay can damage the compressor, so techs must understand the warning signs
John Tomczyk
February 15, 2023
If a potential relay is malfunctioning, the compressor motor is in danger of not starting, stalling, locking rotor, or even burning out. That is why technicians should understand how to troubleshoot potential relays.
Read More
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
Don Fort
February 1, 2023
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.
Read More
Dairy Refrigeration Case

Avoid Careless Mistakes During Preventive Maintenance

Simple tasks can turn into big problems if proper precautions are not taken
Joe Marchese
January 13, 2023
Conducting planned maintenance on refrigeration equipment is beneficial to both equipment owners and contractors. However, simple tasks can turn into problems if not done properly or without taking the necessary precautions.
Read More
Refrigerant Technician

The Definitive Guide to Temperature Glide, Part 1

Technicians must understand how to calculate temperature glide for refrigerant blends
John Tomczyk
November 30, 2022
The HVACR industry will soon be using low-GWP refrigerant blends, some of which have a temperature glide when evaporating and condensing. As these refrigerant blends change phase, there’s a change in their composition, which technicians must be able to calculate while in the field.
Read More
Supermarket Refrigeration

Lessons Learned From CO2 Refrigeration Installations

Grocers shared their experiences with the ‘natural’ refrigerant at the NASRC Summit
Joanna Turpin
Joanna R. Turpin
November 28, 2022
In an informative session at the NASRC’s Sustainable Refrigeration Summit, Publix and Coborn’s shared the pros and cons of incorporating CO2 refrigeration systems into their stores.
Read More
Refrigeration Systems

Repairing a System With Multiple Issues

Techs should have patience while troubleshooting so they don’t overlook other problems
Joe Marchese
November 23, 2022
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.
Read More
Refrigeration Troubleshooting

Creating the Ultimate Refrigeration Troubleshooting Checklist

Being organized can help technicians quickly solve tough problems in the field
John Tomczyk
November 2, 2022
In addition to using proper tools and test instruments, technicians should use a checklist to help them troubleshoot refrigeration and air conditioning systems in the field.
Read More
Ice Breaker Joe Marchese

Superheat, Subcooling, and Saturation – What Do They Mean?

These measurements can help technicians troubleshoot refrigeration systems
Joe Marchese
October 29, 2022
Understanding what the terms superheat, subcooling, and saturation mean can be helpful when troubleshooting an air conditioning or refrigeration system.
Read More
FMI Conference

Grocers Prepare for HFC Phasedown, New Refrigeration Systems

FMI conference covered environmental regulations, new technology, labor shortages, and more
Joanna Turpin
Joanna R. Turpin
October 26, 2022
At the FMI ES&D Conference, attendees learned about everything from new refrigeration technology to changing store formats to regulations that are requiring the phasedown of HFC refrigerants.
Read More
HVAC Inspector

Finalizing the A2L Provisions in 2024 Mechanical Codes

ICC and IAPMO share how the new codes may address the use of lower-flammability refrigerants
Joanna Turpin
Joanna R. Turpin
October 6, 2022
The ICC and IAPMO are in the process of updating their 2024 mechanical codes to include the use of A2L refrigerants in comfort cooling equipment, and contractors should become familiar with these new provisions.
Read More
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