List four conclusions that can be made about a residential HVAC system when the fan switch is turned to "ON" and the fan motor starts.

What will be an ideal response?


The transformer is producing the desired low voltage.
The R terminal on the thermostat has a potential of 24 volts.
The subbase is working correctly.
The fan motor is operating correctly.

Trades & Technology

You might also like to view...

The cad cell in an oil furnace performs the same function as which device in a gas furnace?

a. Temperature limit switch b. Flame detector c. Hot surface igniter d. Flame rollout switch

Trades & Technology

Determine the forces in all bars of the trusses. Indicate tension or compression.

Trades & Technology

The output of an OR gate is HIGH at least one input is HIGH

Indicate whether the statement is true or false

Trades & Technology

The intermediate section of an AC drive performs the filtering function.

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

Trades & Technology