Understanding HVAC Transformers In NJ

A transformer is an inductive stationary device designed to transfer electricity from one circuit to another. Each transformer contains primary and secondary windings. A change in voltage applied to one of the windings causes current to flow in the other winding. This is how electricity is transferred from one circuit to another.

Usually, a varying voltage is applied to the primary winding and a current is induced in the secondary winding. Electricity can be transmitted with the same voltage or a higher voltage or with a lower voltage. You can also search online for the HVAC supplies in NJ.

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The transformer used in heating and air conditioning systems is a low voltage/reduction transformer. They are designed to reduce the higher electrical power to the 24 to 30 volts needed to control the low voltage circuits in furnaces or air conditioners.

Transformer installation

Always follow the transformer installation instructions from the manufacturer as they vary by model and specific application. The following instructions apply to most transformers:

  • To avoid equipment damage or electric shock, turn off the power before attempting to remove or install the transformer.

  • Separate and tape any exposed and unused wires

  • DO NOT disconnect the secondary terminal of the transformer, otherwise, you may burn the overload protector

  • Connect the secondary transformer to the 24 VAC control system.

  • Check the secondary voltage before reconnecting the transformer to the power supply.

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