Wiring Tip for Zoning
When a house has zoning, it feels like there are wires going everywhere! And if you suspect that some of…
Author: Steven Simmons
Technical Services Manager
Southwest District
Infinity/Evolution Inverter Units
When it comes to working on the infinity/evolution systems, there are several inverter-driven outdoor units. They all have nicknames, different…
Voltage Drop on Contact Points
Most technicians know about checking capacitors under a load while a motor is running, but did you know that you…
How to Set Up and Access the Dealer Portal
We all know how complicated Infinity and Evolution systems can be; wouldn’t it be nice if you could see operation…
Flame Simulator
You go on a no heat call on a gas pack/ furnace. All the burners ignite, but then go out…
Pressures Not Reading Right?
Have you ever put your gauges on a unit and notice that the pressure reading rises slowly, shows Zero but…
Furnace Rapid Flash
This article is in reference to non-twinned furnaces. Pictures are shown of a Carrier 58STA110-13122 The manual and stick for…
Schematic Reading Basics
For those new to the field, do you find it intimidating when you have to rely on the wiring schematic…
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.…
Common Explained
When you’re still green with experience or if you just entered an HVAC apprenticeship, there will be terms or sayings…