Job Description:

• 1) Inspects and tests refrigeration units to evaluate functional operation of system, using knowledge of refrigeration systems and operating specifications: Connects unit to electrical outlet and starts compressor.

• 2) Observes units to detect malfunction and ensure that cooling is taking place.

• 3) Tests compressors on nonfunctioning units for specified wattage, using watt-meter.

• 4) Times operating cycle of unit, using watch and replaces relay switches, or orders compressor replacement to regulate length of operating cycle.

• 5) Feels lines and other components at various points in system to determine if unit is functioning.

• 6) Examines coolant lines for damage and accumulations of frost indicating constriction or obstruction in lines.

• 7) Records and attaches inspection tag to malfunctioning units, indicating type and location of defects.

• 8) May attach gauges to verify conformance of unit to temperature, pressure, B.

• 9) T.

• 10) U.

• 11) , and other operational specifications.

• 12) May work in controlled temperature room.