2 Description of the appliance2.1 Design5421910111213146783Fig. 2.1 Functional elements of ecoTEC exclusiveKey to Fig. 4.21 Expansion vessel 8 Aqua-Sensor2 Air intake pipe 9 Electronics box3 Burner assembly 10 Pump4 Ignition electrode 11 Auto air vent5 Gas Valve 12 Pressure sensor6 Diverter valve 13 Heat exchanger7 Hot water heat exchanger 14 Air / flue gas duct2.2 CE labelCE labelling shows that the appliances comply withthe basic requirements of the following directives:– Directive 90/396/EEC of the Commission with revisions"Directive for Harmonisation of Legal Regulationsof the Member States for Gas Consumer UNits" (Gasequipment directive)– Directive 92/42 EEC of the Commission with revisions"Directive Concerning the Efficiency of New Hot WaterHeating Boilers Fired by Liquid or Gaseous Fuels“(Efficiency directive)– Directive 73/23/EEC of the Commission with revisions"Directive Concerning Electrical Operating Equipmentfor Use Within Specific Voltage Limits“ (Low voltagedirective)– Directive 89/336/EEC of the Commission with revisions"Directive Concerning Electromagnetic Compatibility"The units comply with the prototype described in the EUPrototype Test Approval:PIN-No. CE-0085BR0308The units comply with the following standards:– EN 483– EN 625– EN 677– EN 50165– EN 55014– EN 60335-1– EN 60529– EN 61000-3-2– EN 61000-3-3h Vaillant Ltd. supports the Benchmark Initiative.You will find the Benchmark Logbook on thelast page of this instruction manual. It is veryimportant that this document be filled outproperly when installing, commissioning andhanding-over to the operator of the installation.2.3 Gas council numbersAppliance Gas council numbersecoTEC exclusive 832 47 044 37ecoTEC exclusive 838 47 044 38Table 2.1 Gas council numbers2.4 Intended useThe Vaillant ecoTEC exclusive is a state-of-the-art appli-ance which has been constructed in accordance withrecognised safety regulations. Nevertheless, danger tothe life and limb of the user or third parties can stilloccur or the appliance or other material assets be im-paired in the event of improper use.The unit is intended as a heat producer for closed hot-watercentral heating installations in households. Any other use orextended use is considered to be improper. The manufac-turer or supplier is not liable for any resulting damage. Theuser alone bears the risk. Intended use includes the observ-ance of the operating and installation manual and the ad-herence to the inspection and maintenance conditions.2.5 Identification plateThe identification plate the Valliant ecoTEC exclusive isattached at the factory to the bottom of the appliance.2 Description of the applianceecoTEC exclusive installation and maintenance instructions4