Hand Off Auto Float Switch

An air conditioner includes a normally closed float switch which turns off the system if the condensate drain clogs and water overfills the drip pan.

Hand off auto float switch.

Duplex waterproof control panels for wastewater pumps. Nevertheless for the pump to function effectively it requires a float switch. Pinoy teknisyan 6 725 views. Hand off automatic controls are used to permit an operator to select between automatic or manual operation of a motor.

Consider a second example. In hand the motor would run continuously and in auto the motor would start and stop by a plc or other controller. Refer to your specific float switch user manual for. A bilge or sump pump has a normally open float switch which turns on the pump when the water level rises above a set point.

The float switch detects the level of water in the pump before automatically switching it on. This video is about the wiring and installation of float switch which is used for water pump motor automatic on off. The water tank motor control automatic u. Let s start with the most basic float switch.

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. A float switch prevents flooding. Hand off automatic controls recognize hand off automatic switches on a schematic diagram. Before calling a service technician try troubleshooting the problem first.

A modulating valve has a control switch labeled hand off auto located near the valve. The circuit shown in figure 27 1 permits a motor to be operated by a float switch or to be run manually. In hand the valve can be jogged open or close right at the switch. When the float rises to an unacceptable level it sets off an alarm to warn you that your tank may be about to overflow.

Float switch automatic on off water pump motor control circuit tutorial 13 pinoy teknisyan duration. The switch is shown as a single pole.