EN • 4664Y4200 • FENFRRU PL DE IT ES NLImportant notes• Before carrying out any work on the boiler, it is important to isolate theelectrical supply.• The user must not attempt to gain access to the components inside theboiler or the control panel.certIfIcatIonThe apparatus bears the “EC” trademark in accordance with regulationsin force in the different countries [92/42/EEC European “Output” Directiveand the 90/396/EEC “Gas apparatus” Directive]. This appliance also bears the“HR-TOP” Belgian quality label [gas condensing boiler].Important notesIf you smell gas:- Isolate the gas supply immediately.- Ventilate the room (Open the windows).- Do not use electrical appliances and do not operate switches.- Notify your gas supplier and/or your installer immediately.This manual forms part of the items delivered with the appliance and mustbe given to the user to keep in a safe place!The system must be installed, commissioned, serviced and repairedby an approved installer, in accordance with current standards in force.The manufacturer declines all liability for any damage caused as a resultof incorrect installation or in the event of the use of appliances or accessoriesthat are not specified by the manufacturer.The manufacturer reserves the right to change the technicalcharacteristics and features of its products withoutprior notice.The availability of certain models as well as their accessoriesmay vary according to markets.who should read these InstructIonsThese instructions should be read by:- the specifying engineer- the user- the installer- the service engineersYmbolsThe following symbols are used in this manual:recommendatIons• Please read this manual carefully before installing and commissioningthe boiler.• It is prohibited to modify the interior of the appliance in any way,without the manufacturer's prior written agreement.• The boiler must be installed by a qualified engineer, in accordance withapplicable local standards and local codes in force.• Failure to follow the instructions describing test operations andprocedures could result in personal injury or a risk of environmentalpollution.• In order to ensure the appliance operates safely and correctly,it is important to have it serviced by an approved engineer.• If there is a problem please contact your installer for advice.• In spite of the strict quality standards that ACV applies to itsappliances during production, inspection and transport, faults mayoccur. Please immediately notify your approved contractor of anyfaults. Remember to indicate the fault code as it appears on the screen.• Defective parts can only be replaced with original factory parts.• Specific regulation in Belgium. The CO2 , gas flow, air flow and air/gas supply parameters are factory preset and cannot be changedin BelgiumBurn hazard.Essential instructions for the safetyof people and the environment.Electrocution hazard: use a qualified technician.Essential instructions for the correct operationof the correct installation.