HVAC Wiring and Troubleshooting Flashcard

Front

Which component removes heat from the refrigerant in an HVAC system? Options: Compressor, Condenser, Evaporator, Thermostat

Back

Condenser

Front

When wiring a thermostat, why is it important to identify the "C" wire, and what is its primary function?

Back

It provides a continuous power supply to the thermostat.

Front

What is the strategic approach to diagnosing a non-responsive HVAC system?

Back

Check the power supply and circuit breakers first.

Front

In terms of electrical safety, what is the most strategic step to take before beginning any wiring work on an HVAC system?

Back

Turn off the power at the circuit breaker.

Front

How does the evaporator coil function within the HVAC system, and what is its strategic importance?

Back

It absorbs heat from the indoor air.

Front

What is the strategic reasoning behind using a multimeter to troubleshoot an HVAC system?

Back

To check electrical continuity and voltage.

Front

Which strategic method should be used to ensure the correct wiring of a new thermostat? Options: Match wire colors without checking the manual., Refer to the HVAC system's wiring diagram., Use trial and error., Connect wires randomly.

Back

Refer to the HVAC system's wiring diagram.

Front

What is the strategic importance of grounding in HVAC electrical systems?

Back

It prevents electrical shock and equipment damage.

Front

When troubleshooting an HVAC system that is not cooling, what strategic step should be taken first?

Back

Check the thermostat settings and batteries.

Front

What strategic planning is involved in ensuring the safe installation of an HVAC system?

Back

Following local electrical codes and regulations.