Kevin Compass

I was going through a recorded service meeting with the Kalos techs, and Bert shared something that has been rattling around in my head ever since. His team went digging through their callback data looking for patterns, and after stepping back and looking at it, one showed up that nobody expected: The newer techs were […]

Why is it called single-phase 240 when there are two opposing phases (or legs)? I wondered why we called two 120v opposing legs “single-phase 240” for years. Then someone pointed out to me that a typical “single-phase” pole transformer only has one power leg entering and two coming out. That freaked me out. How can […]

Flowing nitrogen while brazing does not mean the air was cleared first. Learn how to purge large ACR piping, choose a practical regulator setup, and estimate time and cylinder use.

Brett Wetzel and Kevin Compass from the Advanced Refrigeration Podcast join us to discuss commercial rack refrigeration and identify components. In supermarket racks, we typically have anywhere from 2-5 compressors on a single rack (with multiple evaporators, metering devices, and sometimes even condensers). These compressors may come in several varieties (including screw and scroll) and be digital […]

In this live podcast episode, we have a fun conversation talking with Nathan Orr and Kevin Compass about grocery refrigeration. The most common types of calls are those where the machine is “not making temp.” Usually, the cases can’t maintain temperature due to frozen evaporator coils or backed-up drains. On low-temperature/freezer applications, we must rely […]