Episode 340. Basics of CO2 Controls with Kevin Mullis (Part 1 of 4)
Description
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This episode is the first of a four-part CO2 series, starting off with a dive into the basics of CO2 controls with Kevin Mullis, Head of Product Engineering at Clade Engineering Systems. This is about returning to fundamentals, even for seasoned technicians, to ensure a thorough understanding CO2 controls, programming, wiring diagrams, meter readings, and step-by-step troubleshooting techniques. Kevin shares lots of great tips and advice for refrigeration technicians to enhance their skills and confidence in handling CO2 refrigeration systems.
In this episode, we cover:
-Introduction to CO2 controls
-Refrigeration controller fundamentals and basics
-Wiring diagrams
-Importance of proper tools
-RDM controllers
-Probes and transducers
-Relays and voltage
-Voltage and relays
-Testing and troubleshooting relays
-Universal inputs and outputs
-Analog signals and transducers
-Identifying and tracing probes
-Practical tips for wiring and safety
-Compressor circuits and VFD’s
-Sequence of operation in CO2 systems
-Analyzing a zero zone drawing
Helpful Links & Resources:
Episode 315. Mastering RDM Controls, Live Commissioning & Networking Essentials with Kevin Mullis
Episode 299. Basic Refrigeration 101