Wiring Float Switch To Control Well Pump

Let s start with the most basic float switch. The pump is used to ﬁll a tank with water. When the tank is low on water the ﬂoat switch activates the pump motor and turns a red pilot light on.

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Float switches are mechanisms that allow you to operate your pump automatically depending on the water level in your pit and basin.

Wiring float switch to control well pump. Mount the float switch. The top of the contactor is wired to the pump. Float switch installation requires you to mount the device with some way of fixing the cable above the tank or well. I have a 30a 2p breaker in the box that feeds the bottom of the contactor.

I then have a float switch in the cistern which when closed should cause the well pump to kick on and fill the cistern. Float switches for well pump applications fn20 mechanical sump switches. Atmi proposes you a range of float level switches for automatic control of all types of pumps a range of level regulators with internal or external ballasts as well as special small diameter float level switches for narrow access tanks. I am using this contactor to control a 220v well pump that fills a cistern.

For pump control of several levels with multiple pumps for example a third float switch needs to be added at the desired start level. They are ideal for direct pump control up to 1. This bracket can be attached to a wall or a rail using a simple bolt or screw. Float switch control of a pump and pilot lights in circuit 3 a ﬂoat switch is used to operate a pump motor.

This is a very simple process with minimal tools equipment required. The information below refers to 115v pumps and wiring. One of the most important in many pump systems is the float switch or other liquid level sensors. Though designed for sump pumps these switches are versatile enough to be useful for well pump or low level alarm switches.

There is a mounting bracket available for the kari float switch that uses a snug wedge to fix the cable into place. We recommend using a piggy back float switch or control panel to operate 230v pumps. A two wire single pole single throw float switch the rising action of the float can either close i e turn on a normally open circuit or it can open turn off a normally closed circuit installation scenarios might include a normally open float switch turning on a pump to empty a tank control schematic 2 or a normally closed. In this article we will discuss the correct way to hard wire a float switch to a submersible pump in order to achieve automatic operation.