refrigeration service

Five Rules for Charging Refrigeration Systems

The charging process can be tricky without the help of these guidelines

June 10, 2019

When the nameplate charge is not specified, there are guidelines and techniques all technicians should follow when charging a system.

There are many accessories, like the TXV pictured here, that can be added to an operating system. - The ACHR News

Refrigerant Subcoolers Can Often Increase Overall System Efficiency

Understanding when to apply refrigeration accessories is an important skill

Joe Marchese

June 10, 2019

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Understanding how accessories are properly used will allow technicians to better maintain and repair refrigeration systems.

INFICON: Portable Monitor

June 3, 2019

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This product combines field leak detection reliability with cloud hunting mode, which helps the operator to find the area highest in concentration and then switch to pinpoint mode to quickly find the leak.

Some Modifications Can Make HVAC Systems More Serviceable

Make sure it makes sense and doesn't change the design of the system

Joe Marchese

May 6, 2019

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When installing or repairing a refrigeration system, technicians should look for opportunities to slightly modify the system (without changing its design) to make it more serviceable.

CoolSys Acquires ABC Refrigeration & HVAC

ABC Refrigeration & HVAC serves supermarket, retail, and commercial businesses

March 6, 2019

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CoolSys has acquired ABC Refrigeration & HVAC. Headquartered in Syracuse, New York, ABC Refrigeration is a commercial refrigeration and air conditioning services provider in the Northeast that also has in-house metal fabrication capabilities.

Refrigeration Retrofits Offer ‘Cool’ Savings for Supermarkets

Targeted upgrades can dramatically reduce energy use

Joanna R. Turpin

February 4, 2019

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Buying new, higher-efficiency refrigeration equipment can be cost prohibitive, which is why making targeted retrofits or upgrades to existing systems may make the most sense for many food retailers.

Troubleshooting a Warm Freezer

Taking the right measurements can help pinpoint the problem

John Tomczyk

February 4, 2019

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A grocery store owner in Georgia does a daily inspection of all refrigerated and frozen case temperatures using a laptop computer with specialized commercial software.

Don’t Be a One-Gauge Technician

Look at the whole picture when troubleshooting a refrigeration system

Joe Marchese

February 4, 2019

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When servicing a refrigeration system, it is important to accurately determine the true cause of the failure. Misdiagnosing the problem can often create additional system issues for you and the customer.

ABCs of Externally Equalized TXVs

Devices can improve evaporator efficiency in refrigeration and air conditioning systems

John Tomczyk

January 14, 2019

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The TXV also simultaneously controls a set amount of evaporator superheat while, under these same conditions, assuming the range and capacity of the valve is not exceeded.

Webinars Are a Convenient Way to Provide More HVAC Technical Training

Online resources are often available 24/7 without any necessary travel

Joe Marchese

January 14, 2019

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These technologies continue to evolve and change as systems become more efficient and as new methods are discovered to improve the refrigeration cycle. As such, the importance of continuing education cannot be emphasized enough.