R-744 (CO2) stands at the center of the global transition toward sustainable refrigeration. Its thermodynamic properties make it uniquely suited for high-performance, high-efficiency applications. From supermarket display cases and heat pumps to ice rinks and industrial freezers, R-744 is being embraced as the go-to refrigerant, not just for its minimal environmental impact, but also for its ability to deliver cutting-edge system performance.
Introduce your students to the fundamentals of CO2 refrigeration systems with the Introduction to R-744 (CO2) Refrigeration training manual.
Designed as an entry-level training resource, this manual equips technicians with the foundational knowledge and skills needed to work with R-744 (CO2) refrigeration systems, an environmentally sustainable and increasingly vital technology in the HVACR industry.
Training Manual © 2026 ESCO 140 Pages
Topics Covered:
Carbon Dioxide (CO2) Refrigeration Introduction
R-744 Safety, Handling, and Storage
The Vapor-Compression Refrigeration Cycle and the Pressure Enthalpy Chart
R-744 System Types, Equipment Applications and High-Pressure Controls
R-744 Refrigeration System Components
R-744 Refrigeration System Installation
R-744 Refrigeration System Leak Testing, Evacuation, and Start-Up
R-744 Refrigeration System Service and Maintenance Procedures
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Registered Proctors can review a digital version of the manual by logging in and visiting the Resource Center.
Key Features:
1. Beginner-Friendly Content: Covers basic topics, including CO2 properties, safety, system types, and key components, making it ideal for those with limited prior experience.
2. Practical Training Tools: Step-by-step instructions for safe handling, installation, and basic maintenance procedures.
3. Simplified Learning: Visual aids, diagrams, and straightforward explanations ensure technical concepts are accessible to new learners.
4. Compliance-Oriented: Introduces regulatory standards, safety protocols, and best practices for working with CO2 systems.
Audience:
This curriculum is ideal for instructors in HVACR programs, vocational schools, and apprenticeship programs seeking to introduce students/technicians to R-744 (CO2) refrigeration systems. It provides a gateway to understanding natural refrigerants and their role in sustainable refrigeration.
Instructor Resources (Sold Separately)
PowerPoint presentation: The instructor resource materials include a PowerPoint presentation that correlates directly with the training manual. Each slide within the presentation contains speaker notes that are designed to aid the instructor through the presentation and provide additional talking points.
Instructor Guide: The Instructor Guide contains a fact sheet, glossary and answers to lesson review questions.
ESCO Proctors:
Registered Proctors can purchase this book for a discount and review a digital version of the manual by logging in and visiting the resource center.
