BASIC REFRIGERATION AND CHARGING PROCEDURES


BASIC REFRIGERATION AND CHARGING PROCEDURES

 
*NO installation Required. Runs Automatically | 34 MB

A solid foundation in air conditioning and refrigeration principles is crucial to the proper installation, and service of modern systems. Your continued growth and advancement in the industry depends on mastery of these fundamentals.
This course will provide attendees with the knowledge to accurately perform system installation, basic repair, and the information necessary to properly charge modern equipment.

Course Content

Application of Pressures, States, and Conditions
  • Compressor Discharge
  • Condenser Inlet
  • 100% Saturated Vapor Point
  • 100% Saturated Liquid Point
  • Condenser Outlet
  • TXV Inlet
  • Middle of Evaporator
  • Saturated Vapor Point
  • Evaporator Outlet
  • Compressor Inlet
Pressure Drop
  • Friction Pressure Losses
  • Static Pressure Losses
Capillary Tubes
  • Sizing
  • High Heat Loads
  • Low Heat Loads
  • Service
Automatic Expansion Valves (AEV)
  • Charging Procedures
Thermostatic Expansion Valve (TEV)
  • Remote Bulb Pressure
  • Evaporator Pressure and Spring Pressure
  • Additional Pressure
  • Color Codes
  • Special Application TXVs
    • Externally Equalized Valves
    • Maximum Operating Pressure
    • Balanced Port TXVs
  • Selection Procedures
Charging TEV/Receiver/Sightglass Refrigeration Systems
  • Charging Rules
Charging Capillary Tube or Fixed Orifice Refrigeration Systems
  • Charging from a Vacuum (weigh-in)
Charging Capillary Tube or Fixed Orifice Air Conditioning Systems
  • Measuring Duct Velocity
  • Superheat Charging Curves
  • Superheat Curve Theory
  • Charging Capillary Tube-Cooling Mode Only
  • Superheat Method — Capillary Tube System

 

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