Air conditioning with refrigerant R134a

Chapter overview

• Technical data
  1
• 1 General information on air conditioning
  1
• 1.1 Basics of air conditioning
  1
• 1.2 Vapour pressure table for R134a refrigerant gas
  3
• 1.3 R134a refrigerant gas
  4
• 1.4 Properties of R134a refrigerant gas
  5
• 1.5 Refrigeration system oil
  7
• 1.6 Comfort
  8
• 1.7 Environmental aspects
  8
• 1.8 Air conditioning effects
  8
• 1.9 Safety at work
  9
• 2 General remarks on the refrigerant gas loop
  14
• 2.1 Refrigerant gas loop components
  14
• 2.2 Refrigerant gas loop components
  22
• 2.3 Quick coupling connections in the refrigerant gas loop
  23
• 2.4 Switches and sensors for the refrigerant gas loop and their connections
  24
• 2.5 Electrical components not assembled in the refrigerant gas loop
  29
• 2.6 Pressures and temperatures in the refrigerant gas loop
  31
• 2.7 Refrigerant gas loop with expansion valve
  31
• 2.8 Refrigerant gas loop with butterfly (throttle) and collection tank
  33
• 2.9 Checking and measuring work with a pressure gauge
  35
• 2.10 Notes on doing repair work on the refrigerant gas loop
  36
• 3 Legislation and standards
  37
• 3.1 Legislation and standards
  37
• 3.2 Regulations on recycling and disposal
  40
• 3.3 Disposal of cooling agent and cooling machine oils
  40
• 4 Using the climate control recovery, recycling, refilling, and cleaning equipment
  41
• 7098 VAS 6008
  44
• 5 Checking pressure values in the refrigerant gas loop
  47
• 5.1 Checking pressure values
  48
• 6 Detecting leaks in the refrigerant gas loop
  72
• 6.2 Detecting leaks in the refrigerant gas loop by pressurizing the system
  73
• 7 Cleaning the refrigerant gas loop
  77
• 7.1 Venting the refrigerant gas loop
  77
• 7.2 Washing the refrigerant gas loop with R134a refrigerant gas (clean)
  79
• 8 Problems
  85
• 8.1 Possible problems in the refrigerant gas loop
  85
• 9 Replacing components
  87
• 9.2 Replace the air conditioning compressor
  88
• 9.3 Replace the liquid/collection tank and the butterfly (throttle)
  89
• 10 Test equipment and tools
  92
• 10.1 List of test equipment, tools, and material
  92
• 10.2 Test equipment, tools, and material
  92