18th November 2019

wikipedia
18

What is the purpose of a pressure switch?

A pressure switch is a form of switch that closes an electrical contact when a certain set fluid pressure has been reached on its input. The switch may be designed to make contact either on pressure rise or on pressure fall.

In respect to this, how do you adjust the pressure switch on a well pump?

To raise only the cut-off pressure , turn nut #2 clockwise. To lower any pressure, turn the nut counter-clockwise . NOTICE: The switch should never be adjusted to cut-on below 20 PSI, or cut-off above 60 PSI. The pressures in a well pump system must keep a set relationship.

What is cut in and cut out pressure?

System Pressure. The cut-on and cut-off pressures in a well pump system must maintain a set relationship. Cut-off pressure is the high pressure that turns off the pump. Cut-on pressure is the low pressure that starts the pump and is typically 20 PSI less than cut-off pressure.

What is a water pressure switch?

A pump or water tank pressure control switch is designed and adjusted to turn the pump on at a "cut in" pressure, usually 20 psi or 30 psi, and to turn the water pump off at a "cut out" pressure, usually 40 psi or 50 psi.
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