Exam 15: Troubleshooting Basic Controls

Transformers are rated using ____.

An electrical power consuming component ____.

The continuity through a heat relay is checked using a(n) ____.

One way to troubleshoot a(n) ____________________ on a heating and cooling system is to first turn the fan selector switch to the FAN ON position and see if the fan starts.

The line side of a switch is the ____.

If an air conditioning system is calling for cooling and the compressor is running but the indoor (evaporator) fan is not running, which terminal on the thermostat will the technician most likely check first?

Non-power-consuming, or power-passing, devices are commonly referred to as ____________________.

What are the three components that have to operate when a residential air conditioning system is in the cooling mode?

An electrical diagram showing the approximate location of the components is called a(n) ____.

While checking a simple series 115-V circuit containing a fuse, a switch, and a light bulb, the technician's voltmeter reads 115 volts across the light bulb socket. The light bulb is not on. He correctly concludes that the ____________________ is defective.

In a residential air conditioning system, how are the outdoor fan and compressor wired with respect to each other?

A 120-V/24-V control transformer has a VA rating of 20. The maximum amperage the transformer will put out is 0.8 amps.

The _____ is nothing more than a set of switches.