Troubleshooting HVAC Systems

Troubleshooting HVAC Systems

Assessment

Interactive Video

Physics

9th - 10th Grade

Practice Problem

Hard

Created by

Patricia Brown

FREE Resource

The video tutorial guides viewers through a dual run capacitor troubleshooting simulation. It begins with setting up the thermostat and using audio and visual controls. The tutorial then checks the indoor unit and fan operation, investigates compressor issues, and examines the outdoor unit and capacitors. A faulty run capacitor is identified and replaced, followed by system testing to ensure proper operation. The simulation concludes with a successful resolution of the troubleshooting scenario.

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the initial temperature setting on the thermostat during the simulation?

78 degrees

72 degrees

68 degrees

75 degrees

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the first indication that the indoor fan unit is running?

The outdoor unit activates

The motor is heard running

The thermostat beeps

The compressor starts

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What issue is identified with the compressor during the troubleshooting?

It is making a loud noise

It is leaking refrigerant

It is off due to overload

It is running smoothly

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What action is taken when the compressor is found to be off on overload?

Check the refrigerant levels

Replace the indoor fan

Turn off the external disconnect

Increase the thermostat setting

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the capacitance value of the start capacitor measured during the investigation?

250 microfarads

150 microfarads

200 microfarads

100 microfarads

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the capacitance value of the run capacitor that is isolated?

30 UF

25 UF

35 UF

20 UF

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the purpose of the wiring diagram in the troubleshooting process?

To identify the thermostat settings

To measure the temperature

To visualize the electrical connections

To locate the outdoor unit

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