Furnace Rapid Flash
This article is in reference to non-twinned furnaces. Pictures are shown of a Carrier 58STA110-13122 The manual and sticker for…
Category: Technical Services
Schematic Reading Basics
For those new to the field, do you find it intimidating when you have to rely on the wiring schematic…
ABB VFD ACH580 Drive App
The ACH580 will be the new norm and it’s better to prepare now than later. With doing so, you will…
Does the Defrost Board Have 24VAC?
The heat pump works in heating and cooling mode but it simply will not go into defrost mode. Why won’t…
What We Have Here… is a Failure to Communicate!
Have you ever found a communication fault or failure on an Infinity or Evolution system? Did you get a fault…
Testing Capacitors
First, let us start by saying there are a variety of capacitors in various shapes, sizes and colors. For the…
38AUZ/D with Twin Furnaces
One popular combination of Carrier equipment is twinning 2 residential furnaces together with a 6-10 ton commercial outdoor A/C unit.…
The Infamous E1: Part 2
E1 fault code on Ductless equipment is communication fault between the indoor and outdoor units.When the E1 code shows up…
Common Explained
When you’re still green with experience or if you just entered an HVAC apprenticeship, there will be terms or sayings…
Soldering, Brazing, and Welding
In this article, we will go over a few differences between the types of metal-joining processes used to connect pipes…
