*) Optional accessories / Option depending on modelOriginal instruction21 Important safetyinstructionsThis document contains the safety information re-levant for the appliance along with a quick referenceguide. Before starting up your vacuum cleaner forthe first time, this instruction manual must be readthrough carefully. Save the instructions for later use.Further supportFurther information on the appliance can be foundon our web site at www.nilfisk-alto.com.For further queries, please contact the Nilfisk-ALTOservice representative responsible for your country.See reverse of this document.1.1 Symbols used to mark instructionsDANGERDanger that leads directly to serious or irre-versible injuries, or even death.WARNINGDanger that can lead to serious injuries oreven death.CAUTIONDanger that can lead to minor injuries anddamage.1.2 Instructions for useThe appliance must:• only be used by persons, who have been in-structed in its correct usage and explicitly com-missioned with the task of operating it• only be operated under supervision• This appliance is not intended for use by per-sons (including children) with reduced physical,sensory or mental capabilities, or lack of experi-ence and knowledge.• Children shall be supervised to make sure thatthey do not play with the appliance.• Do not use any unsafe work techniques.• Never use the vacuum cleaner without a filter.• Switch off the appliance and disconnect themains plug in the following situations:• Prior to cleaning and servicing• Prior to replacing components• Prior to changing over the appliance• If foam develops or liquid emergesBesides the operating instructions and the bindingaccident prevention regulations valid in the countryof use, observe recognised regulations for safetyand proper use.1.3 Purpose and intended useThis vacuum cleaner is designed, developed andrigorously tested to function efficiently and safelywhen properly maintained and used in accordancewith the following instructions.This vacuum cleaner is to be used for commercialor for household use. Accidents due to misuse canonly be prevented by those using the machine.READ AND FOLLOW ALL SAFETY INSTRUC-TIONS.This machine is suitable for picking up dry, non-flammable dust and liquids.Any other use is considered as improper use. Themanufacturer accepts no liability for any damage re-sulting from such use. The risk for such use is bornesolely by the user. Proper use also includes properoperation, servicing and repairs as specified by themanufacturer.1.4 Electrical connection1. It is recommended that the vacuum cleanershould be connected via a residual current cir-cuit breaker.2. Arrange the electrical parts (sockets, plugs andcouplings) and lay down the extension lead sothat the protection class is maintained.3. Connectors and couplings of power supplycords and extension leads must be watertight.1.5 Extension lead1. As an extension lead, only use the versionspecified by the manufacturer or one of a higherquality.2. When using an extension lead, check the mini-mum cross-sections of the cable:Cable lenth Cross section< 16 A < 25 Aup to 20 m 1.5 mm 2 2.5 mm220 to 50 m 2.5 mm 2 4.0 mm21.6 GuaranteeOur general conditions of business are applicablewith regard to the guarantee.Unauthorised modifications to the appliance, the useof incorrect brushes in addition to using the appli-ance in a way other than for the intended purposeexempt the manufacturer from any liability for theresulting damage.1.7 Tests and approvalsElectrical tests must be performed in accordancewith the provisions of safety regulations EN 62638.These tests must be performed at regular intervalsand after repairs or modifications.The vacuum cleaner has been approved in accor-dance with IEC/EN 60335-2-69.