awainwrightf
Feb 4, 2013, 09:18 PM
In a residential air-conditioning system, what is the purpose of a 24-volt control transformer?
Buffet
Feb 6, 2013, 09:16 AM
The transformer you speak of "steps down" the 'line voltage', usually 115V in the USA to 24V which is used in the 'control' portion of the appliances, i.e. the circuit board and thermostat.