Course: HET 130 Heating Residential Appliances

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Lab Assignment

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Week 9 Lab Assignment:Oil Heating Systems

Recommended Materials

1. PPE
2. Hand Tools
3. Notepad
4. Pencil
5. Oil Furnace
6. VOM
7. Clamp-on ammeter
8. Oil pressure gauges

Scope

The student will discuss oil heat, combustion, and the oil burner. The student will perform tests on the oil blower motor, and oil pump.

Procedures

1. Locate an oil furnace.
2. Turn the power source off.
3. Locate a power lead on the burner motor.
4. Clamp on the ammeter around the power lead of the burner motor.
5. Turn the oil valve to the burners off.
6. Turn the power source on, turn the thermostat to heat and set the temperature above the room temperature.
7. The unit should start running.
8. Record the amperage from the blower motor.
9. Turn the power off.
10. Turn the oil on.
11. Reset the primary control button if it tripped on safety.
12. Remove the oil plug on the supply gauge port.
13. Install a pressure gauge in the supply gauge port.
14. Remove the oil plug on the return gauge port.
15. Install a vacuum gauge in the return oil gauge port.
16. Start up the oil furnace by turning the power source on and setting the thermostat above the room temperature.
17. Record the pressure and vacuum from the gauges.

Research Questions

1. After studying the components on an oil burner, how are the burner motor and oil pump located in relation to each other?
2. What was the amp reading from the burner motor?
3. Was the motor amp reading in the range?
4. What was the oil supply oil pressure reading?
5. Was the oil pressure normal?
6. What should it be adjusted to?
7. What was the return oil line vacuum reading?
8. Was this reading normal?
9. What can cause the vacuum reading to increase or decrease?

Click on the file below to download the Lab Assignment
- HET 130 Wk 9 Lab.docx (15.67 KB)