Refrigeration Theory Course Outline
Basic theory
- Heat transfer, the btu, definition of ton of refrigeration
- The basic compression cycle, chilled water
system and absorption system
- Reading pressure-temperature saturation tables, boiling
points for various refrigerants
- Effect of pressure and temperature on refrigerants
Compressors
- Functions, types, construction and maintenance
Condensers
- Function, types, heat balance,
air and water cooled
Metering devices
- Function and types, principals of operation and
maintenance
Evaporators
- Function, types, heat gain and loss,
air and water heat exchange
Other Systems
- Ammonia, and Absorption systems
- Oil return, compressor protection and off cycle
protection
- Reading the psychrometric chart, using the sling psychrometer
- Comfort and condition of the air
- Cooling towers (Principals of operation and maintenance)
- Refrigerant recovery
Review of Ohm's Law and D.C. & A.C. Theory
- Voltage and Power
- Series and Parallel Circuits
Review basic Steam cycle and theory