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Author: Steven Simmons

Technical Services Manager Southwest District
Technical Services

Ecobee 5 Setup for 2 stage with Dehum

Steven SimmonsMarch 10, 2022October 21, 2024

One of the most popular combinations right now is the FV4 air handler with a 2 stage outdoor unit with…

Technical Services

All About Heaters

Steven SimmonsFebruary 10, 2022October 21, 2024

At first glance, a residential strip heat kit could look intimidating. I want to break down the operation and troubleshooting…

Technical Services

Scrolling Marquee Basics and Resetting Error Codes

Steven SimmonsDecember 30, 2021October 21, 2024

On units that are equipped with a ComfortLink controls package, the user interface for the machine will include a Scrolling…

Technical Services

What is an Electrical Short?

Steven SimmonsNovember 12, 2021October 21, 2024

Everyone has heard the phrase: “it’s shorted.” What does this actually mean and how do you diagnose it? Let’s start…

Technical Services

Where Does the Orange Wire Go On a Carrier Commercial Heat Pump?

Steven SimmonsOctober 14, 2021October 21, 2024

Model numbers that this document pertains to: 38AUQ/40RUQ, 50FCQ, 50GCQ, 50HCQ, 50KCQ, 50TCQ No matter how long you have been…

Technical Services

ABB Drives: How to Set Up on a Light Commercial System

Steven SimmonsSeptember 2, 2021October 21, 2024

Commercial HVAC Have you seen an ABB Variable Frequency Drive or VFD for short? Odds are if you have installed…

Technical Services

Using a Standard Thermostat with a Communicating System for Emergency Operation

Steven SimmonsFebruary 9, 2021October 21, 2024

On rare occasions the infinity wall controllers fail. Sometimes, this failure is after hours and the supply house is closed.…

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