How To Wire A Compressor Pressure Switch

The line wires are the supply the motor terminals are the wires for the motor.

How to wire a compressor pressure switch. Without the use of the switch the water pump would always be on or off. First ensure that the air compressor is turned off and that no electrical power is running from a source and feeding the machine. Replace the cover over the pressure switch. Connect to the wire from the circuit breaker box.

If you aren t comfortable with what these mean i don t think you should be attempting your own re wiring. However with the pressure switch the pump can be adjusted to turn on and off at predetermined settings to control the pump and subsequent pressure. The switch may be wired correctly yet if a full path the motor allows the compressor to cut in when the pressure is low cut out when the pressure is at the stopping point the compressor stops and that s repeatable without the switch in the circuit and then when you add the switch there doesn t appear to be enough power to drive the motor past the 50 hp point then it s got to be the. Tips warnings use only pressure switches rated for your air system and the electric motor.

In the storage tank of the air compressor you will find the pressure switch. In this video we show you the best way to a pressure switch for 115v and 230v pumps. Run a length of this wire from the switch box of the compressor to the junction box. Apply power to the air compressor circuit.

Nonetheless the wiring of any square d pressure is broadly the same. If you re trying to control pressure in an air compressor or a water pump a square d pressure switch is a common way to do so. By following a few basic procedures you can wire a pressure switch in a matter of minutes. A wiring diagram is a simplified traditional pictorial depiction of an electric circuit.

I ve uploaded a photo of typical compressor pressure switch wiring. It reveals the parts of the circuit as simplified forms as well as the power and also signal connections between the tools. Make the connections between the two wire types using large wire nuts. Switch the pressure switch to the on position.

Pressure switch terminal wiring. Variety of air compressor pressure switch wiring diagram. The connection from the compressor to this box must be made with 10 3 flexible power cord. This method will work for any pump that runs directly off of a pressure.