GENERAL INFORMATIONThis manual contains important instructions for the safe operation and installation of the unit. Read and follow thesafety instructions and all other instructions.Keep this manual handy as a reference for operating procedures and safety information.Specifications in this manual and design are subject to possible modificationswithout notice due to improvements.PACKAGE CONTENTThe LEC3 package consists of:• LEC3 controller• L-shape mount brackets set including screws• DIN rail mount including screws• 5x suitable 4pin 5mm pitch cable side pluggable terminal block• micro SD card• micro SD card to SD card adapter• micro SD card USB readerSAFETY INSTRUCTIONSInstallation should be performed only by a competent person or professional electrician.Make sure that the installation complies with the standards and rules that apply in your country.Do not use the device if it seems to be damaged.Use the device only as described in this user manual. Any other use or use under other operating conditions isimproper and may result in personal injury or property damage. No liability will be assumed for damages resultingfrom improper use.Never open the controller and do not attempt repairs yourself.Do not place the device close to heat sources and always ensure sufficient ventilation.Do not place the unit on surfaces that are heat sensitive.This device has been designed for indoor use only. Do not expose the unit to direct sunlight. Do not allow thisproduct to meet liquids. Electrical shock could result. Also, damage to the product, smoke, and overheating couldresult from contact with liquids.Clean the device components that are accessible from the outside regularly. The cleaning frequency depends onthe operating environment: damp, smoky or particularly dirty environments can cause greater accumulation of dirton the device components. Clean with a dry soft cloth. Stubborn dirt can be removed with a slightly dampenedcloth. Never use solvents or alcohol for cleaning.Establish all connections when the unit is switched off. Use the shortest possible high-quality cables for allconnections. Make sure that cables cannot cause a trip hazard.Never touch the plug contacts with sharp or metal objects.