What You’ll Learn:

• How the compressor works and why it cannot compress liquid
• The complete refrigeration cycle from start to finish
• Understanding high-side vs. low-side pressure
• Sensible heat vs. latent heat explained
• Superheat and subcooling fundamentals
• The four main components: compressor, condenser, metering device (TXV), and evaporator
• Common diagnostic issues and troubleshooting tips
• Proper static pressure testing and manometer zeroing techniques
• Charging systems during high heat load conditions
• Why airflow checks should come before refrigerant charge

Key Topics Covered:

• Vapor compression cycle mechanics
• Heat rejection and heat absorption processes
• Temperature splits during high humidity conditions
• Using Measure Quick for accurate readings
• Startup procedures and return visit best practices
• Trust your senses: visual and audible diagnostics