Learn more about Refrigeration Mentor Customized Technical Training Programs at www.refrigerationmentor.com/courses
Join the Refrigeration Mentor Hub here
In this conversation, we're talking about hwo to improve your CO2 refrigeration system troubleshooting by understanding the sequence of operations. By knowing the system and its sequence of operation, not skipping steps, and using facts, data points, and trend graphs to diagnose issues quicker and more confidently. We cover basics to check first—airflow, fan operation, load, dirty honeycombs/baffles, frozen coils, and proper defrost performance—and I'll share my "four pillar method" for learning CO2 systems.
In this episode, we discuss:
(02:12) The CO2 Troubleshooting Process
(04:58) Four Pillars of Learning CO2 Faster
(05:46) Know Normal Conditions
(06:43) Liquid Feed Basics
(09:09) Case Not Pulling Down
(10:13) Airflow and Frozen Coils
(12:28) Defrost Sequence Walkthrough
(15:19) Data Trends and AI
(17:32) CO2 System Controls Made Simple
(22:23) Better Field Habits
Helpful Links & Resources:
Episode 243. Step-By-Step Walkthrough of a CO2 Service Call with Patrick Gregory
Episode 413. My 4-Pillar Framework to Learn CO2 Refrigeration Faster
Episode 423. Refrigeration Leak Detection & New Regulations with Leon Wurfel of Bueno Analytics
