33General information 1Safety instructions 21.4 Specified useVaillant ecoMAX appliances are made to fulfil the latesttechnical specifications and official safety regulations.These appliances are designed as boilers for use in cen-tral heating and hot water supply systems.If the appliances are used for purposes other than or inexcess of these specifications, this shall be classed asincorrect operation, and neither the manufacturer norsupplier will accept any liability for resulting damage orinjury.Use of this type is entirely at the owner’s risk.The term “specified use” also covers observance of theoperating and installation instructions, along with adhe-rence to the servicing schedules.1.5 EC designationThe purpose of EC designation is to certify that the boi-ler complies with the requirements of the directivescovering gasfired appliances (Council directive90/396/EEC) and electromagnetic compatibility (Councildirective 89/336/EEC).These appliances also comply with the requirements ofthe directive on operating efficiency (Council directive92/42/EEC).Note!Vaillant Ltd. support the Benchmark initiative.Within the information pack, you will find aBenchmark Log Book. It is very important thatthis is completed correctly at the time of instal-lation, commissioning and handover to the user.2 Safety instructions2.1 Setup and adjustmentsInstallation and adjustment of the boiler as well as servi-ce maintenance and repair of the boiler may only be car-ried out by a competent person in accordance with theGas Safety (Installation and Use) Regulations 1998. (Inthe U.K. “CORGI”. Registered installers undertake thework to a safe and satisfactory standard).If the boiler is installed in a compartment do notobstruct any purpose provided ventilation openings, anddo not use the compartment for storage purposes.2.2 Gas smellIf you smell gas or suspect a gas leak:- Turn off the boiler- Do not switch any electrical switches in the hazardousarea on or off- Do not smoke in the hazardous area- Turn off the gas supply at the gas meter- Ventilate the room- Consult your gas supplier, service agent or other com-petent person.2.3 Modifications in and around the boilerNo modifications may be made to the following items:- The boiler- The gas, water and electrical supply- The flue system- The safety valve for the heating water- Any structural changes around the appliance thatcould affect the operational safety of the boiler.2.4 Explosive and flammable materialsDo not use or store any explosive or highly flammablematerials (e.g. gasoline, paper or paint) near to the appli-ance.2.5 InspectionThe boiler should be serviced annually. We recommendthat you sign a service agreement with your serviceagent or Vaillant Ltd.Attention!The device may only be used• for initial operation• for testing• for continuous operationwith the chamber cover closed and with the fluesystem fully mounted and sealed.Instructions for use ecoMAX