Instructions for Model VR-4 Water Alert - Brochure
Principle of Operation The VR-4 is activated by water or any conductive fluid bridging the sensors (A & A). Upon activation the external LED indicator (B) will light RED and the internal relay contacts (Double Pole Double Throw) will transfer. Once the liquid is removed, the VR-4 will self reset. The VR-4 is also equipped with a "Wash Down ...