WHAT IS AN HVAC CONTACTOR
An HVAC (Heating, Ventilation, and Air Conditioning) contactor is an electrical switch that controls the power supply to components in an HVAC system, typically the compressor and the condenser fan. It is an integral part of the HVAC system and plays a crucial role in regulating the flow of electricity to these components.
The contactor consists of a coil and a set of contacts. When an electrical signal is sent to the coil, it creates a magnetic field that pulls the contacts together, closing the circuit and allowing electricity to flow to the connected components. When the electrical signal is removed, the magnetic field dissipates, and the contacts open, interrupting the electrical flow.
In the context of an HVAC system, the contactor is often used to control the power supply to the compressor and the condenser fan motor. When the thermostat signals a need for cooling or heating, the contactor is activated, allowing electricity to reach the compressor and fan. When the desired temperature is reached or when the system is not in use, the contactor opens, cutting off power to these components.
Contactor failure is a common issue in HVAC systems, and when it occurs, it can result in the system not working properly. Signs of a faulty contactor may include the HVAC system not turning on, intermittent operation, or unusual noises. If there are issues with the contactor, it is advisable to have a qualified HVAC technician inspect and replace it if necessary
If you’re in central Kentucky, and having a problem with your HVAC system. Call The HVAC Outlet! One of our master licensed HVAC service partners can provide the proper assistance and guidance to solve your problem. Call us today! (859) 209 1112