• The equipment is to be used solely for the purposes specified and confirmed in theorder. Other uses which do not coincide with, or which exceed those specified will bedeemed unauthorised unless contractually agreed. Damages resulting from suchunauthorised uses will not be the liability of the manufacturer. The user will assumesole liability.• During commissioning, unexpected and hazardous conditions can arise in the entireinstallation due to defective adjustments, defective components or incorrect electricalconnections. Remove all persons and objects from the hazardous area.• Any faults detected in the electric system/modules/operating equipment must becorrected immediately. If these faults are not corrected, the device/system is poten-tially very dangerous. The device/system must therefore not be operated when it isfaulty.• Pay attention to smooth, low vibration running of the motor/fan, the appropriateinstructions in the drive documentation must be observed!Attention!Even after switching off, dangerous temperatures can still occur in and on the device.Attention!Automatically restart after a power failure or mains disconnection!InformationA separate fault and performance monitoring-system with an alarm signal function isnecessary in order to prevent personal injuries and material damages duringmalfunctions and in case the device fails. Substitute operation must be taken intoconsideration!2.1 Explanations of symbolsSafety instructions are highlighted with warning triangles and are depictedaccording to the degree of hazard as follows.Attention!General hazardous area. Death or severe injury or significant property damage canoccur if the corresponding precautions are not taken!Danger due to electric currentDanger by dangerous, electric voltage! Death or severe injury can occur if thecorresponding precautions are not taken!Operating Instructions S-ET... / S-DT... Safety instructionsL-BAL-E058-GB 1931 Index 002 Part.-No.4/12