Operating instructions ecoTEC plus 0020134822_01 5a Safety a22.3 General safety information> Observe the following safety instructions at all times.Installation and settingsThe boiler must only be installed by a suitably qualifiedcompetent person. The existing regulations, rules andguidelines must be observed when doing so.This person is also responsible for inspection, maintenanceand repairs to the boiler, as well as alterations to the gasvolume setting.What to do if you smell gas in buildingsInstallation errors, damage, manipulation, unauthorisedinstallation sites or similar can cause gas to escape andresult in a risk of poisoning and explosion. If there is a smellof gas in the building, proceed as follows:> Avoid rooms that smell of gas.> Open all accessible doors and windows fully and ensureadequate ventilation.> Avoid the use of naked flames (e.g. lighters, matches).> Do not smoke.> Do not use any electrical switches, mains plugs, door-bells, telephones or other intercommunication systems inthe building.> Close the gas meter isolator device or the main isolatordevice.> If possible, close the gas isolator cock on the boiler.> Warn other occupants in the building by calling out orbanging on doors or walls.> Leave the building.> If you can actually hear gas leaking, leave the buildingimmediately and ensure that others do not enter thebuilding.> Alert the fire brigade and police when you are outsidethe building.> Use a telephone outside the building to inform the emer-gency service department of the gas supply company.National phone number for gas emergencies:0800 111 9992.1 Close the gas isolator cockWhat to do in an emergency if you smell flue gasInstallation errors, damage, tampering with the unit, unau-thorised installation sites or similar can cause flue gas toescape and result in a risk of poisoning. If there is a smell offlue gas in the building, proceed as follows:> Open all accessible doors and windows fully and ensureadequate ventilation.> Switch the boiler off.> Inform a heating specialist company.Explosives and highly flammable substancesThe risk of explosion arises from the flammable mixture ofgas and air. Take note of the following:> Do not use or store explosive or highly flammable sub-stances (such as petrol or paint) in the same room as theboiler.Preventing scaldingThere is a risk of scalding at the hot water draw-off points ifthe hot water temperatures are greater than 60 °C. Youngchildren and elderly persons are particularly at risk, even atlower temperatures.> Select the temperature so that nobody is at risk.Preventing material damage due to unauthorisedchanges to the appliance.Take note of the following:> Never interfere or tamper with the boiler or other partsof the heating installation.> Never try to carry out maintenance work or repairs onthe boiler yourself.> Do not damage or remove any seals on components.Only suitably qualified competent persons or our customerservice may alter sealed components.Material damage caused by corrosionTo prevent corrosion on the boiler and also on the flue gasinstallation, note the following:> Do not use any sprays, solvents, chlorinated cleaningagents, paint, adhesives or similar substances in thevicinity of the boiler.Under unfavourable circumstances, these substances maycause corrosion.Preventing frost damageIf there is a power cut, or if the room temperature is set toolow in individual rooms, it cannot be ruled out that sectionsof the heating installation may be damaged by frost.> If you are going to be away during a cold period, ensurethat the heating installation remains in operation andthat the rooms are sufficiently heated.> Always observe the information on frost protection pro-vided in (¬ section 4.11)Even if rooms, or the whole dwelling, are not in use for cer-tain periods, the heating must remain in operation.