Level and Float Switches

Use

Level and Float switches are used to detect the presence of excess water in the bilge of a boat and activate the pump to remove it. In other words, they are used to automate the process of pumping water out of the boat. It is suggested that you use the combination of pump and switch, as it excludes the possibility of forgetting to switch off the pump, and prevents overloads.

Operation

Float Switch FS-40 The FS-40 has a built-in float switch that activates the pump when forced upwards by the rising water level. When the water level drops, the float lowers, deactivating the pump. The FS-40 float switch operates bilge pumps rated up to 10amps. Electronic Environmental Level Switch (E.E.L.S.) The E.E.L.S. has been designed to sense the conductivity of liquids and distinguish the presence of hydrocarbons in bilge water. Since hydrocarbons are conductors of lower intensity than water, the E.E.L.S. will switch off the pump and not allow the film of hydrocarbons, that may be present in the bilge, to be pumped and discharged into the sea, thereby preventing pollution. The E.E.L.S. Level switch operates bilge pumps rated up to 20amps. Lalizas Level and Float switches are compact, need limited maintenance and are designed for long service life.

Instructions of Use

Level and Float switches must be installed vertically in the bilge or in any area where excess water is most likely to collect. To safeguard against malfunction it is important to ensure correct connection of the Float/Level switch to the bilge pump and to the boat’s main circuit. Both the E.E.L.S. and the FS-40 should be connected in series to the main circuit.After connection and taking care to follow the instructions, all you need to do is regularly check that the device operates smoothly.

Maintenance / Replacement

Although these products need limited maintenance, Lalizas suggests that you:

- Place a fuse with amperage relative to the pump on a series with the main power supply circuit

- Check regularly that everything operates correctly

- Avoid the use of any chemical substances in the bilge

ATTENTION: Automatic level and Float switches are designed to help maintain smoother operating boat drainage system. They are not designed to control operation or replace human surveillance.