CSA Group's 2015 Gas Trade materials reference the Red Seal Program's trade outlines for your preparation to become a nationally recognized gasfitter. Please visit the Red Seal Program's website for more details.
Because recreational vehicles are often without access to the 120 V electrical power needed to run the compressors found in standard mechanical refrigerators, propane refrigerators traditionally have been used. In recent years, however, in the search for alternatives to electrically powered refrigeration, gas-fired units are gaining popularity because of:
Gas-fired refrigerators operate on an absorption principle according to which refrigerant is circulated through three circuits where it absorbs heat from the refrigerator and freezer compartments and cools the evaporator fins. This system has no moving parts and is noiseless and continuous. A number of models can operate on a single propane flame, 12 V or 120 V circuits.
At the end of this unit you will be able to: