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Author: Anthony Coker

Technical Services Manager North Georgia District
Technical Services

Wiring of a VFD Fan Board at the J1 and J2 Plugs to VFD drive and to CTRL board

Anthony CokerFebruary 11, 2026February 12, 2026

When you get a new VFD drive and want to install it and you see that the other one was…

Technical Services

Diagnosing and Correcting a Heat Pump That Will Not Enter Defrost

Anthony CokerJanuary 13, 2026January 16, 2026

Imagine that you receive a call from a customer stating that their heat is not working.   Upon inspection you find…

Technical Services

Indoor & Outdoor Coil Cleaner

Anthony CokerMay 12, 2023October 8, 2024

It’s that time again! Summertime is around the corner. Let’s get this ball rolling by checking out this coil cleaner…

Technical Services

Carrier/Bryant Service Tech App – Part 2

Anthony CokerApril 13, 2023October 8, 2024

Last Month I demonstrated the Installation and basic usage of the app which included how to look up Literature scanning…

Technical Services

Carrier/Bryant Service Tech App

Anthony CokerMarch 17, 2023October 8, 2024

When I instruct Nate Classes, I typically suggest the Carrier Service Tech App to techs that have not used it.…

Technical Services

Dual Inlet Backward Curve Fan Installation

Anthony CokerFebruary 16, 2023October 8, 2024

The models listed at the end of this newsletter are designed to meet federal Fan Energy Rating (FER) requirements and…

Technical Services

Totaline Slime Prevention & Removal

Anthony CokerJanuary 12, 2023October 8, 2024

TIC2021-0006 states that a slime has been detected in condensate lines, traps, drains and pans. From TIC: “The slime is…

Technical Services

Cleaning Coils

Anthony CokerNovember 17, 2022October 8, 2024

Fall is the time for the leaves to fall and with the mixture of rain and wind tends to stir…

Technical Services

ABB VFD ACH580 Drive App

Anthony CokerOctober 13, 2022October 8, 2024

The ACH580 will be the new norm and it’s better to prepare now than later. With doing so, you will…

Technical Services

Testing Capacitors

Anthony CokerSeptember 8, 2022October 8, 2024

First, let us start by saying there are a variety of capacitors in various shapes, sizes and colors. For the…

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