Hand Off Auto Float Switch

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.

Hand off auto float switch.

Duplex waterproof control panels with hand off auto switches running lights h o a elapse time meters for each pump plus a visual flashing high water alarm and a pulsating high water alarm horn with silence button in a nema 4x water proof fiberglass enclosure for a variety of sump effluent sewage and water transfer applications. Hand off automatic controls recognize hand off automatic switches on a schematic diagram. Refer to your specific float switch user manual for. In hand the motor would run continuously and in auto the motor would start and stop by a plc or other controller.

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. Pinoy teknisyan 6 725 views. A modulating valve has a control switch labeled hand off auto located near the valve. At times the float switch will malfunction and sound the alarm when the tank isn t overflowing.

Before calling a service technician try troubleshooting the problem first. 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. The switch is shown as a single pole.

The float switch detects the level of water in the pump before automatically switching it on. As the name implies a float switch is a device that triggers the bilge pump on whenever there is excess water in the boat and then turns the pump off once the boat is dry. Float switch automatic on off water pump motor control circuit tutorial 13 pinoy teknisyan duration. Nevertheless for the pump to function effectively it requires a float switch.

Hand off automatic controls are used to permit an operator to select between automatic or manual operation of a motor. When the float rises to an unacceptable level it sets off an alarm to warn you that your tank may be about to overflow. A float switch prevents flooding. In hand the valve can be jogged open or close right at the switch.

The circuit shown in figure 27 1 permits a motor to be operated by a float switch or to be run manually. Duplex waterproof control panels for wastewater pumps.