After determining that voltage is available to the control circuit of a residential air-conditioning system, what four devices should be checked when troubleshooting the system?

What will be an ideal response?


Once it is determined that voltage is available to the control circuit, the only items left to check are the devices in the circuit. In the control circuit, there are four devices that should be checked: the low-pressure and high-pressure switches, the thermostat, and the contactor coil.

Trades & Technology

You might also like to view...

To ensure maximum safety in a control transformer, the secondary control circuit is _____.

a. controlled by taps b. connected to an autotransformer c. isolated from the primary line circuit d. less than 120V

Trades & Technology

All inorganic material comes from nonliving sources and does not contain carbon

Indicate whether the statement is true or false

Trades & Technology

Plastic gloves and safety glasses should always be worn when working with:

What will be an ideal response?

Trades & Technology

Notes are a type of dimension that generally identify the size of a feature, or features with more than a numerical specification.

Answer the following statement true (T) or false (F)

Trades & Technology