CO₂ 240 – CO₂ Evaporators

Understand evaporator design and operation in CO₂ refrigeration systems.

Focuses on evaporators used in CO₂ (R‑744) refrigeration systems.

Overview

Evaporators in CO₂ refrigeration systems must operate across a wide range of pressures and temperatures. The unique thermodynamic properties of CO₂ influence evaporator design, control strategies, and defrost methods.

This course explains how CO₂ evaporators function, how heat transfer occurs, and how system operating conditions affect performance and reliability.

Ideal For

• Technicians servicing CO₂ refrigeration systems
• Engineers designing or selecting CO₂ evaporators
• Operators responsible for system performance

Core Learning Objectives

• Describe evaporator operation in CO₂ systems
• Understand heat transfer and control considerations
• Identify defrost methods used with CO₂ evaporators

Topics

• CO₂ Evaporator Fundamentals
• Heat Transfer in CO₂ Evaporators
• Pressure and Temperature Effects
• Defrost Strategies
• Operational Considerations