BCT 232 - Residential and Industrial HVAC V

1. Describe planned maintenance and service procedures required for selected HVAC equipment and components.
2. Demonstrate how to test water using a water analysis test kit.
3. Analyze circuit diagrams and other manufacturers’ literature to determine the operating sequence of microprocessor controlled systems.
4. Describe the safety precautions that must be taken when servicing oil heating systems.
5. Demonstrate how to isolate and correct malfunctions in a heat pump using the correct tools and instruments.
6. Identify and properly use the service instruments needed to troubleshoot HVAC system accessories.

1. Planned Maintenance

1. Fossil fuel heating appliances
2. Cooling units
3. Heat pumps
4. Accessories

1. Water Treatment
   1. Water characteristics and analysis
   2. Problems caused by using untreated water
   3. Water treatment in open recirculating water systems
   4. Water treatment in closed recirculating water systems
   5. Water treatment in steam boilers and systems
   6. Mechanical water treatment equipment
   7. General water treatment procedures and guidelines
   8. Water treatment chemical safety precautions
2. Troubleshooting Electronic Controls
   1. Microprocessor controls
   2. Troubleshooting microprocessor-controlled systems
   3. External causes of failure
   4. Electronic controls in heating systems
   5. Cooling systems and heat pumps
   6. Test instruments
   7. Standardization
3. Troubleshooting Oil Heating
   1. Typical operation
   2. Oil burner troubleshooting
   3. Troubleshooting controls
   4. System troubleshooting
   5. Condensing oil furnaces
4. Troubleshooting Heat Pumps    

1. Heat pump operation
2. Electrical operating sequence
3. Troubleshooting

1. Troubleshooting Accessories

1. Troubleshooting approach
2. Humidifiers
3. Electronic air cleaners
4. Ultraviolet lamps
5. Economizers, zone control, and heat recovery ventilators