Refrigeration service - Articles - Page 5

How to Prevent the Compressor From Overheating

Discharge temperatures, superheat can offer insights

December 3, 2018

To obtain the heat content (enthalpy), it would be necessary to know both the pressure and temperature at this point and then use a thermal dynamic superheat table for this specific refrigerant.

Food Marketing Institute 2018 Conference - The ACHR News

Conference Tackles Challenges for Food Retailers, HVACR Contractors

Supermarkets must respond to customers’ changing needs or be left behind

Joanna R. Turpin

November 5, 2018

Many end users, as well as refrigeration engineers and contractors, attended Food Marketing Institute’s (FMI’s) 2018 Energy & Store Development Conference in Atlanta, looking for advice on how to respond to these trends.

Don’t Just Walk Away From Difficult Refrigeration Repairs — Fix Them

Technicians must find solutions to challenging service problems

Joe Marchese

November 5, 2018

Technicians must find solutions to challenging service problems.

Dirty Condenser Coils Are the Culprits That Cause Many HVACR Problems

Fouled coils result in less efficient refrigeration and air conditioning systems

John Tomczyk

November 5, 2018

If a condenser coil is dirty or fouled, its ability to reject heat is severely affected.

EnVisioneering Symposium Caps Off Refrigerant Week

Joanna R. Turpin

October 19, 2018

At the symposium, industry experts from Danfoss, as well as refrigeration equipment manufacturers, end users, regulators, advocacy groups, and refrigerant producers came together to discuss some of the challenges facing the industry, as well as new technologies and megatrends that will impact every aspect of the commercial refrigeration market.

Here, a contractor services a Zero Zone system. - The ACHR News

HFO Sightings: Refrigerant Retrofits Becoming More Common in Supermarkets

Best practices help ensure supermarket transitions to low-GWP blends go smoothly

Joanna R. Turpin

October 1, 2018

HFO blends are not drop-in refrigerants, and modifications usually have to be made to the equipment before they are used. However, following the guidelines from experts in the industry can help ensure a smooth transition.

Diagnosing Refrigeration Restrictions: Similar Symptoms With Different Causes

Problems can occur in both the low and high sides of the system

John Tomczyk

October 1, 2018

Refrigeration systems can become restricted in both their high and low sides for a variety of reasons.

Safety Always Comes First When Working With HVACR Systems

Joe Marchese

October 1, 2018

There are many reasons why some choose to work unsafely, but a big one is just being lazy. Try to avoid this and always take the extra time needed to work safely.

Supermarkets in the Market for New, Advanced IoT Solutions

New options can improve refrigeration performance and reduce downtime

Joanna R. Turpin

September 3, 2018

Grocery store owners and managers are increasingly utilizing the IoT in order to monitor the performance of their refrigeration equipment, so they can take immediate action should a problem arise.

Finding and Fixing Refrigerant Leaks Is Frustrating but Necessary

Joe Marchese

September 3, 2018

It is always best to find and repair the source of the leak. But depending on the size of the system and the size and location of the refrigerant leak, it may not be an easy or inexpensive repair.