Exit NADCA-ASCS Air Systems Cleaning Specialist
Question 3 of 5
0% complete
Q3 Single choice

To test whether a residential thermostat is working, the technician should:

  • A

    perform a thermostat calibration.

  • B

    turn thermostat off and observe unit response.

  • C

    check the voltage between the c and r/rh thermostat terminals.

  • D

    set thermostat to an extreme temperature and observe unit response.

Previous Next