1 About this manualThis manual is part of the product.• Read the operating instructions thoroughly before using the unit.• Keep the operating manual for the entire life of the product and keep it readyfor reference.• Pass the manual to each subsequent owner or user of the product.1.1 Structure of warningsWARNING Warning NotePlease refer to the documentation. This symbol is intended towarn you of possible dangers that may occur during installation,commissioning and use.• Here are measures to avoid the danger.• . . .DANGER Hazard StatementDanger of injury or serious injury. Before starting work, switchthe system and the device free of stress.• Here are measures to avoid the danger.• . . .4