Specialty Refrigeration

HVACR Tech Tip: Master Using the P-T Chart with the ChillMaster Mobile App

The HVACR service technician uses an array of tools and test instruments to diagnose problems and evaluate system performance. One tool that is readily available, inexpensive and yet rarely used to...
On November 15, 2017

HVACR Tech Tip: Can You Have Subcooled Refrigerant in the Receiver?

We all know that a properly charged refrigeration system utilizing a receiver must have a liquid and vapor interface in the receiver. And we also know that saturated pressure and temperature...
On July 5, 2016

HVACR Tech Tip: Refrigerant Piping Expansion and Contraction

All refrigeration piping materials are subject to changes in temperature and will expand and contract with temperature change. Installation techniques must allow for expansion and contraction changes,...
On June 7, 2016

Compressor Overheating Is the Number-One Refrigeration Problem

Many refrigeration compressors break down simply because they overheat. There are two main reasons why overheating can have such a devastating effect on compressors: Loss of the lubricating properties...
On December 17, 2015

Using P-T Analysis as a Service Tool for Refrigeration Systems

Manufacturers of refrigerants, controls, and other suppliers distribute hundreds of thousands of pressure-temperature charts to the trade every year. It would be rare indeed to find a...
On July 1, 2014

Climate Control Technologies and Key Markets

Climate control is the technology of controlling fluids and gases to vary temperature. Parker provides comfort, convenience and control through refrigeration and air conditioning.   Key markets Air...
On July 1, 2013