Compressors Problems & Troubleshooting
Compressors are the heart of the refrigeration system. It creates the pressure difference to move the refrigerant through the system.…
Author: Bubba Moore
Technical Services Manager
Southeast District
R-454B & R-410A Refrigerants: Are They The Same?
You have probably gone to classes, listened to podcast or read articles about the phase out of R-410A, and the…
Puron Advanced (R-454B) Refrigerant Dissipation Board Flash Code 13
With the changing of the new refrigerant, new controls have been added for safety incase of a refrigerant leak, the…
Setting the Electronic Model Plug on The Primary Control Module (PCM)
The Primary Control Module (PCM) controls various functions of the outdoor unit. These functions are determined by the inputs the…
Handling Refrigerant & Other Gases Safely
Refrigerants and other gases used in the HVAC industry need to be respected and handled safely. The information given here…
Understanding A Model Number
Why would you need to know what the letters and numbers in the model number represent? Can knowing the information…
HVAC Safety
Safety is something we should think about and practice in almost everything we do. We get comfortable in our everyday…
M#25VNA8 Troubleshooting Tips
The M#25VNA8 communicating unit has several devices that aid in the operation and protection of the unit. These devices are…
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…