Nov 29, 2023
SKPT 124 - Refrigeration and A/C Service IICredits: 3
Prerequisite: SKPT 122 . Develops understanding and operational skills in trouble shooting domestic refrigeration and air conditioning systems. Focuses on electrical components and system parts in frost-free, conventional and cyclematic units, and portable air conditioning units. Credit may be earned in one of the following: HVAC 124 , RHA 124 or SKPT 124.
Prerequisite(s): SKPT 122
Lecture Hours: 35 Lab Hours: 10
Meets MTA Requirement: None
Outcomes and Objectives
- Demonstrate knowledge of the operation of more advanced domestic refrigerators.
- Pass, with 90 percent accuracy, questions covering the operation and function of a conventional cyclematic and frost-free unit on a written test.
- Identify system components.
- Identify defrost components.
- Demonstrate knowledge of electrical components and wiring diagrams.
- Measure electrical circuits and components of a cyclematic and frost-free refrigeration system.
- Identify the components of the defrost system.
- Demonstrate knowledge of advanced refrigeration systems.
- Install a compressor, evacuate the system, and properly charge the unit using proper tools.
- Identify EPA certification rules for recovery, evacuation, and charging the system.
- Demonstrate knowledge of proper soldering techniques.
- Identify proper methods of setup for the oxyacetylene units.
- Explain how to properly prepare the soldering joint.
- Identify the proper use of solders.
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