Refrigeration service - Articles - Page 3

Basic Refrigeration: Major Components in the System

This second part of the series describes what techs need to know about components

April 30, 2023

In order to install or diagnose issues in a refrigeration system, technicians must first have a solid grasp of its key components.

Solving the Technician Shortage Problem

Finding skilled refrigeration techs is difficult, so NASRC is tackling the issue

Joanna R. Turpin

March 30, 2023

There are advantages and disadvantages to being a refrigeration technician. The industry needs to work together to reduce the disadvantages and expand the opportunities, so that people want to make a career in refrigeration service and installation.

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

Confusing High-Side Temperatures

John Tomczyk

March 22, 2023

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.

NASRC Offers Free Natural Refrigerant Training Summit

The 3-day event for refrigeration technicians will cover CO₂ and propane installation/service

February 27, 2023

NASRC is hosting its first-ever Natural Refrigerant Training Summit in Irwindale, California from April 4-6, 2023.

The Definitive Guide to Temperature Glide, Part 2

Always consult the P/T chart when calculating superheat and subcooling for refrigerant blends

John Tomczyk

January 20, 2023

Service technicians need to be careful when reading the pressure/temperature chart because if they choose the wrong values, they will make mistakes diagnosing the system.

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.