How To Hook Up Air Compressor Pressure Switch

Connect to the wire from the circuit breaker box.

How to hook up air compressor pressure switch. When the tank pressure drops to the pressure switch cut in level the pump will start and add more air. So double check to be sure the compressor is unplugged. How to install a pressure switch on an air compressor. Http wp me p6ivyu 1wt buy anything on amazon and support se.

Run a length of this wire from the switch box of the compressor to the junction box. It turns on the motor when the pressure falls below a preset value and turns off the motor when the pressure reaches the preset cutoff value. When the tank pressure reaches the cut out setting of the pressure switch the pump stops and nothing else happens until you begin to use the compressed air that s stored in the compressor tank. In most cases the switch will control the power wires to the air compressor.

When you remove the switch cover assuming that s the type of pressure switch your air compressor has liver terminals are exposed. The pressure switch turns the air compressor pump on an. This video from sears partsdirect shows how to replace a broken pressure switch in an air compressor. Watch this fix before you start buying parts.

The switch turns the power on and off to the compressor motor. In the adjustable air compressor pressure switch setting you can set the pressure level of both cut out and cut in pressure by regulating two different screws. The connection from the compressor to this box must be made with 10 3 flexible power cord. Bayne ehow contributing writer.

Secure the 10 gauge wire to the wall according to your local codes and run it to a junction box near the compressor. When the air compressor is plugged in there is power at the switch. Most air compressors are controlled by a pressure switch. Usually of the two screws the left one or the one which is closer to the motor is for the cut in pressure and the right one is for the cut out pressure.

A pressure switch to which the line is connected typically contains an unloader valve either as part of the switch or mounted on its side. As you use air the tank air pressure drops. When air is being pumped by the compressor pump it flows down that big line to the fitting. In operation a pressure switch turns the power on and off to an air compressor motor.

When you connect the machine to power you ll connect the power leads to the switch not the motor. The line from the tank check valve plumbs over to the pressure switch and it connects to the unloader valve. Every air compressor has a pressure switch that monitors the tank pressure. If your air compressor won t shut off after reaching full cut out pressure or won t start again after tank pressure drops the pressure switch might be the problem.