| Modern
refrigeration has many applications, such as preserving medicine,
blood, and the most important application, the preservation of
food. Most foods kept at room temperature spoil rapidly. This
is due to the rapid growth of bacteria. Refrigeration preserves
food by keeping it cold, which greatly slows down the growth of
bacteria. In days past, blocks of ice were used in iceboxes to
refrigerate food and other items. These iceboxes were small and
not very practical. Today, mechanical refrigeration systems make
transportation, storage, and use of refrigerated goods easy and
practical.
The installation, operation, adjustment, and repair of refrigeration
equipment are the primary responsibility of the refrigeration
technician. To perform these duties required of a refrigeration
technician, you need to understand the principles and theory
of refrigeration and recognize system components and understand
the way they work within the system. This course also covers methods of installing, maintaining,
and repairing refrigeration equipment and maintaining, servicing,
and repairing domestic refrigerators and freezers. |
