A2L Puron Advance (R 454b)
It’s coming soon. Below are the speculated dates of the release of Puron Advance, or R 454b in Carrier/Bryant equipment.…
Tag: basic training
Why Do Systems Freeze in Cooling Mode?
When troubleshooting any issue, it is always best to start with the most probable cause and work your way to…
Schematic Reading Basics
For those new to the field, do you find it intimidating when you have to rely on the wiring schematic…
Testing Capacitors
First, let us start by saying there are a variety of capacitors in various shapes, sizes and colors. For the…
Common Explained
When you’re still green with experience or if you just entered an HVAC apprenticeship, there will be terms or sayings…
What’s Your Resistance?
When assisting with field calls, I ask this question in reference to electrical devices several times a day. The answers…
Isolating the Problem in The Unit
There are many ways to diagnose problems with a unit. You can listen to the customer describe the operations of…
Troubleshooting Electrical Problems: Voltage and Current
Troubleshooting electrical problems in an HVAC system can feel complicated. Sometimes the problem is overlooked as a faulty part. How…
All About Heaters
At first glance, a residential strip heat kit could look intimidating. I want to break down the operation and troubleshooting…
What is an Electrical Short?
Everyone has heard the phrase: “it’s shorted.” What does this actually mean and how do you diagnose it? Let’s start…
