The set up for the three wire sire control circuit is different from the two wire operation because there are less components needed to operate the load. Diaphragm 3 dual micro reed 2 tether float 123 vertical float 10 electrical connection.
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Three wire float switch. A two wire single pole single throw float switchthe rising action of the float can either close ie turn on a normally open circuit or it can open turn off a normally closed circuitinstallation scenarios might include a normally open float switch turning on a pump to empty a tank control schematic 2 or a normally closed. I suggest you look at that carefully. There is a wiring scheme in the first few minutes. This is a bad thing it needs constant power but the switch part needs to be the float switch triggered by water level rising. Use a pipe clamp or cable tie to secure the cable to a pipe or weight in tank. This video is specific to wiring a seaflo brand 3 way switch pump with a bilge pump and a 12 volt battery.
As the water rises the float also rises and actuates the switch. Lets start with the most basic float switch. Relays for float switches install one of these relays to actuate equipment that has a higher current rating than your switch. The length of cable from clamp to float determines the difference between turn on level. Which means the pump will run constantly. Contacts located in the float will switch at 12 degrees above and below horizontal.
For normally full operation where the desire to activate a pump to fill a tank sump or vessel use the black and blue wires for connection and cap the brown wire. If the float switch operates a pump connect the lead to the wall outlets plug wire or the wire connected to the circuit breaker. A polypropylene float makes these switches buoyant even in viscous liquids. The wire to the battery with an inline fuse will provide a constant power to the switch. Piggyback 83 wire leads 54 contact default. In this video how to use float switch wiring single phase on off motor using float switch diagram installation for water tank.
The three wire devices various parts may vary from one manufacturers switch to another but the basic circuit remains the same. If the float switch protects an air conditioning system disconnect the furnaces transformer wire that connects to the red thermostat wire and then connect the float switch lead to the transformers wire. Your float switch has a three wire configuration which can be used to make connections for either filling or emptying. Simply test is connect the three together with helm switch off and the switch in. When the water recedes the float drops down and the switch turns the pump off. Hello friends in this video i will tell you how to make the.
The spdt float switch can be used to control a pump in tank filling or tank emptying operation.
Gallery of Three Wire Float Switch
