The purpose of a float switch is to open or close a circuit as the level of a liquid rises or falls. It senses the level of water present in the tank by making switching connection.
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What is a float switch. The basic work of a float switch is to detect if there is flooding in the sump or not. It shuts my ac system off. Float switches in a simple mechanical form have already been in use for the control of water flows in mills and fields for centuries and today still represent the most frequently used technology. It is also called as magnetic float sensor or float switch as its working is same as of switch. The switch may be used to control a pump as an indicator an alarm or to control other devices. On a circular float ball the sump pump float switch relies so that it can easily measure the water level.
It does this depending on the water level in the sump pit of your pump. A float switch installed in your hvac system is a simple device that may prevent expensive water damage to your house. What is a float switch. It can be located externally or internally and is usually adjustable to get the perfect fit with your basin and water line. A float switch is a switch mounted inside of a float that is activated when the float reaches a certain level. Another common type is a float that raises a rod to actuate a microswitch.
A hollow body float due to its low density and buoyancy lifts or drops with the rising and respectively falling level of the liquid. A float sensor or float switch is used to detect the level of liquid within a tank. A float switch is essentaially an electronic water sensor for your hvac system. A float switch is a type of level sensor a device used to detect the level of liquid within a tank. It works on switching the sump pump on and off. What it does it gives your ac system the ability to detect if it has a clogged drain and if the switch detects a clogged drain scenario it immediately shuts the system off.
The float switch is the part of a pump that rises and falass with the water level and is responsible for activating and deactivating the motor. One of the most reliable well proven technologies for liquid level sensing is a float switch. Magnetic float sensor is an electromagnetic onoff switch. Most float switches are normally closed meaning the two wires coming from the top of the switch complete a circuit when the float is at its low point resting on its bottom clip for example when a tank is dry. Many people simply arent aware of how much water a residential central air conditioner collects during hot humid summer days common here in eastern north carolina. One type of float switch uses a mercury switch inside a hinged float.
This type of switch comprises a magnet contained within a float as well as a magnetic reed switch contained within a fixed housing. Often a mercury switch is activated once the float switch has reached a particular angle and then switches off once the float has once again settled at a lessor angle or level.
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