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This episode is another of our "Morning Coffee" sessions with longtime refrigeration professionals Andrew Freeburg and Erik Holland, diving deep into trend graphs and CO2 refrigeration system troubleshooting. We cover understanding and reading trend graphs, practical tips for locating and analyzing system inefficiencies, and the procedures for fine-tuning refrigeration systems. We also discuss gas coolers, the impact of ambient temperature on system performance, and effective strategies for maintaining system stability in cold climates. Interested in joining the next Morning Coffee live? Join our FREE Refrigeration Mentor Community today.

In this episode, we cover:

-Understanding trend graphs

-Comparing graphs on E2 systems

-Trend graph analysis

-Graphing techniques on E2 systems

-Analyzing CO2 system graphs

-System fine-tuning

-Creating work and building credibility

-Advanced graph analysis and troubleshooting

-High pressure valve and bypass valve correlation

-Gas cooler and system stability

-System oscillations and expansion valves

-Gas cooler maintenance

-High pressure valve control

-Fan control strategies

-Troubleshooting fan and gas cooler issues

-Winter challenges in CO2 systems

-Heat reclaim and system efficiency

Helpful Links and Resources:

Episode 287. CO2 Experts: Using Trend Graphs to Troubleshoot CO2 Systems with Andrew Freeburg

Episode 144. Troubleshooting CO2 High Pressure Valves Using Trend Graphs with the CAREL Boss System

Episode 350. Supermarket Refrigeration Tips and Tricks with Robert Ochs