Air Compressor Pressure Switch Adjustment Square D

If the pump is starting and stopping at too low a pressure turn the larger nut clockwise.

Air compressor pressure switch adjustment square d.

The pumptrol fhg12j52xbp air compressor pressure switch by square d is the most trusted brand in residential commercial and industrial air compressor applications. It does that by letting you adjust the cut in and cut out pressure. The switch controls an electrically driven air compressor in a power circuit when the adjustable threshold upon falling is reached and is set to turn off at 125 psi. Watch this fix before you start buying parts.

This pressure switch is designed for a 2 stage air compressor pumping up to 175 psi but can be adjusted anywhere from 100 200 psi. Brand new square d brand pumptrol air compressor pressure switch model. Square d by schneider electric 9013fhg12j52m1x air compressor pressure switch 125 psi set off 30 psi fixed differential 1 4 npsf internal 2 way release valve auto off cut out lever 4 6 out of 5 stars 133 ratings. I have a square d 9013ghg2 switch 145 175 that i am trying to tune down to 120 150 because my newly installed air dryer is rate up to 150 psi.

Do i adjust the larger screw for cutoff and then the smaller for. Adjust just a little at a time and allow the pump to operate. Http wp me p6ivyu 1wt buy anything on amazon and support se. The factory settings for your air compressor pressure switch are the correct settings.

9013fhg42j59m1x 135 175 psi with unloader control valve and on off switch. In this guide you can learn about air compressor pressure switch adjustment in the easiest way possible. Your compressor is designed to run properly at those cut in and cut out settings. There are 2 adjustment screws in the switch box that provide tension by springs onto a plate.

A pressure switch of an air compressor helps to start and stop the compressor automatically. In attempting to establish pressure settings higher than those from the factory a compressor may become unsafe and it surely will self destruct a lot sooner than expected. The large nut adjustment is the easiest adjustment to make on the switch. One is larger than the other.