ENFRRU PL DE IT ES NLEN • 3 664Y6100 • BHeatMaster® 71 - 101 - 201WARNINGSWHO SHOULD READ THESE INSTRUCTIONSThe manual should be read by:- The specifying engineer- The user- The installer- The maintenance technicianSYMBOLSThe following symbols are used in this manual:• Before carrying out any work on the boiler, it is important toisolate the electrical supply to the unit.• The user must not attempt to gain access to the componentsinside the boiler or the control panel.• This appliance is not intended for use by persons (includingchildren) with reduced physical, sensory or mental capabilities,or lack of experience and knowledge, unless supervised orunless they have been given instruction concerning the use ofthe appliance by a person responsible for their safety.WARNINGSIf you smell gas:- Immediately isolate the gas supply.- Open windows and doors to ventilate the area.- Do not use any electrical appliances and do not operate any switches.- Immediately notify your gas supplier and/or your installer.This manual is part of the items delivered with the appliance and mustbe given to the user and stored in a safe place!An approved installer must carry out the installation, starting up,maintenance and repair of the system, in accordance with currentstandards in force.The manufacturer declines all liability for any damage caused as aresult of incorrect installation or in the event of the use of appliances oraccessories that are not specified by the manufacturer.The manufacturer reserves the right to change thetechnical characteristics and features of its productswithout prior notice.The availability of certain models as well as theiraccessories may vary according to markets.RECOMMENDATIONS• Please carefully read this manual before installing and startingup the boiler.• It is prohibited to carry out any modifications to the inside ofthe appliance without the manufacturer’s prior and writtenagreement.• The product must be installed and serviced by an approved andqualified engineer, in accordance with applicable standards andregulations.• Failure to comply with the operation instructions and testprocedures can result in personal injury or a risk of environmentalpollution.• To guarantee safe and correct operation of the appliance, it isimportant to have it serviced and maintained every year by anapproved installer or maintenance contractor.• In case of anomaly, please call your service engineer.• In spite of the strict quality standards that ACV applies to itsappliances during production, inspection and transport, faultsmay occur. Please immediately notify your approved installer ofany faults. Remember to indicate the fault code as it appears onthe screen.• The defective parts may only be replaced by genuine factoryparts.• The gas burners are factory preset for use with natural gas[equivalent to G20].• Specific regulation applicable in Belgium [for the gas burners]:The CO2 level, the air and gas flows and the gas/air ratio arefactory preset. Any field adjustment of those settings is notallowed in Belgium, except for type 1 2E(R)B boilers.Risk of scaldingEssential instruction for the safety of persons andthe environmentDanger of electrocutionEssential instruction for the correct operation ofthe installation