THE CONDENSER

The condenser (fig. 13- 16) is designed to remove heat from the compressed refrigerant, returning it to a liquid state. Generally, condensers are made from a continuous tube looped back and forth through rigidly mounted cooling fins. They are made of aluminum and can encounter pressures of approximately 150 to 300 psig and temperatures ranging from 120°F to 200°F (48°C to 93°C), Usually, the condenser is mounted in front of the radiator and subjected to a steady stream of cooling air.

Refrigeration oil provides lubrication for the compressor. Each system has a certain amount of refrigeration oil (usually approximately 6 to 10 oz (177 to 296 Ml)) added to the system initially. If the system stays sealed, the oil will not break down or need to be changed. Refrigeration oil is highly refined, must be free of moisture, and is designed for use in automotive air-conditioning systems.

MALFUNCTIONS OF COMPONENTS IN THE AIR-CONDITIONING SYSTEM

Problems in automotive air-conditioning systems are not uncommon. An ordinary industrial system does not have to contend with the vibration that a mobile unit does. What follows is a list of common problems and