SM2-MU unit has been designed for indoor usage. When used outdoor, it requires sufficient protection from external impacts and the range of operational temperatures must be respected. The values concerned to be found in chapter Module parameters.
Click shut the module onto the DIN rail using orange hitches.
Click shut the power supply to the DIN rail in the same way.
Use holes in the orange hitches to install the module on the wall. The hitches must be “opened”. To open the hitches press the safety catch with a pointed object (e.g. pen) first and then open the hitch. The same for the second hitch. Insert the screw into the holes and fasten the unit on the wall.