Pressure Limit Switch Adjust

Pump pressure switch pumptrol nut adjustment sequence.

Pressure limit switch adjust.

Schneider electric the manufacturer of the square d pumptrol pressure control switch warns that when adjusting the pressure control settings it is important to make the adjustment in the proper sequence. Home blog how to adjust a pressure switch. Just adjust the tall nut as you can see in the photo. These are the cut in and the cutout.

These two pressure set points define the pressure at which the air compressors will engage and begin to create pressurized. Step 3 turn the smaller spring clockwise to increase the cut out pressure on the goulds pump or twist counterclockwise to lower the pressure. The switch is preset with both the cut on and cut off pressure. Posted on friday may 18 2018 by dave nelson.

Before i discuss how to adjust the pressure switch let me cover the two points. How to set the pump pressure control switch. The air compressor is built with two pressure set points. Adjust the range nut first then adjust the differential nut second.

The starting and stopping of a well water pump is typically controlled by a pressure switch similar to the one shown below. In brief tutorials we explain how to set and adjust a typical pump pressure control switch. The cut in and cut out pressure. Adjust the long thread nut in the pressure switch to the right to increase pressure each complete turn should increase the pressure about 1 1 2 lbs you should no need to adjust the short nut that s the differential and is factory set at 20 lbs let it be.

How to adjust a pressure switch.