The cut in and cut out pressure.
Pressure limit switch adjust.
The air compressor is built with two pressure set points.
This setting adjusts the pressure level at which the pump shuts off.
Adjust the range nut first then adjust the differential nut second.
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.
The switch is preset with both the cut on and cut off pressure.
In brief tutorials we explain how to set and adjust a typical pump pressure control switch.
The starting and stopping of a well water pump is typically controlled by a pressure switch similar to the one shown below.
How to set the pump pressure control switch.
Home blog how to adjust a pressure switch.
How to adjust a pressure switch.
Pump pressure switch pumptrol nut adjustment sequence.
Posted on friday may 18 2018 by dave nelson.
Starting here with advice about correct problem diagnosis of water pressure problems this article series describes how to adjust building water pressure by setting the water pump cut in and cut out pressure on the well water pump pressure control switch.
Step 3 turn the smaller spring clockwise to increase the cut out pressure on the goulds pump or twist counterclockwise to lower the pressure.
Before i discuss how to adjust the pressure switch let me cover the two points.
These are the cut in and the cutout.
Take note of the pressure markings on the switch as you adjust the nut.