To register to take this class go T0 Date page click here

Split System Operation

R22/R410A

for HVAC Masters and Journeyman

8 Credit Hours

Introduction to Refrigerants

            Simple Chemistry      
            Temperature / Pressure Relationship          
            Lubricants and Composition
            Evacuation     
            Filter Driers
            Leak Detection
            Retrofitting R-22 to R410A

Mechanical Refrigeration cycle       
            The Saturated State              
            You’re Refrigeration Gauges           
            A Bottle of Refrigerant
            Heat Versa Saturation Temperature

The Evaporator Coil

            Evaporator Coil Function                 
            SuperHeat  
            Airflow calculation
            Psychometrics
            Fixed Metering
            Expansion Valves

The Condenser Coil
          Condenser Circuit
          Subcooling process
          Undercharge
          Overcharge
          Flash Gas
          Normal Condenser Condition
          Interactive practice   

 Diagnostics        

           Temperature Probe Positions
            R22 Fixed metering Problems
            Fixed/ TXV Metering Problems
            Non Condensable
            TXV Metering Problems

Charging Charts

           Introduction
           Superheat Chart
           Pressure curve chart
           TXV Charging Curve
           Interactive Practice R22
           Interactive Practice R410A

R410A Piping

           General Information
           Liquid Line Sizing
           Suction Line Sizing

R410A Safety and Handling Tips

          Toxicity
           Inhalation
          Skin and eye contact
          Leaks
         Flammability
         Combustibility
         Thermal Stability
         Bulk and Cylinder

Return to home page