Vaillant ecoTEC pro 24 Installation And Maintenance Instructions Manual

Also see for ecoTEC pro 24: Instructions for use Instructions for installation and servicing Instructions for installation and servicing Instructions for installation and servicing

7 Start-up18 Installation and maintenance instructions ecoTEC pro 0020244995_026.5 Setting the hot water temperatureDanger!Risk of death from legionella.Legionella multiply at temperatures below60 °C.▶ Ensure that the end user is familiar withall of the Anti-legionella measures in orderto comply with the applicable regulationsregarding legionella prevention.▶ Set the hot water temperature.Conditions: Water hardness: > 3.57 mol/m³– Water temperature: ≤ 50 ℃7 Start-up7.1 Carrying out the initial start-upInitial start-up must be carried out by a customer servicetechnician or an authorised competent person using thecommissioning checklist. The commissioning checklist in theappendix (→ Page 41) of the installation instructions must befilled in and stored carefully along with the unit's documenta-tion.▶ Carry out the start-up procedure using the commissioningchecklist in the appendix.▶ Fill in and sign the commissioning checklist.7.2 Switching the product on and off▶ Press the on/off button on the product.◁ The basic display appears on the display.7.3 Using check programmesCall up the installer level + 1xBy activating various check programmes, you can triggerspecial functions on the product.Check programmes – Overview (→ Page 38)7.4 Checking and treating the heatingwater/filling and supplementary waterCaution.Risk of material damage due to poor-qual-ity heating water▶ Ensure that the heating water is of suffi-cient quality.▶ Before filling or topping up the installation, check thequality of the heating water.Checking the quality of the heating water▶ Remove a little water from the heating circuit.▶ Check the appearance of the heating water.▶ If you ascertain that it contains sedimentary materials,you must desludge the installation.▶ Use a magnetic rod to check whether it contains mag-netite (iron oxide).▶ If you ascertain that it contains magnetite, clean the in-stallation and apply suitable corrosion-protection meas-ures, or fit a magnetic filter.▶ Check the pH value of the removed water at 25 °C.▶ If the value is below 8.2 or above 10.0, clean the installa-tion and treat the heating water.▶ Ensure that oxygen cannot get into the heating water.Checking the filling and supplementary water▶ Before filling the installation, measure the hardness of thefilling and supplementary water.Treating the filling and supplementary water▶ Observe all applicable national regulations and technicalstandards when treating the filling and supplementarywater.Provided the national regulations and technical standardsdo not stipulate more stringent requirements, the followingapplies:You must treat the heating water in the following cases:– If the entire filling and supplementary water quantity dur-ing the operating life of the system exceeds three timesthe nominal volume of the heating installation, or– If the guideline values listed in the following table are notmet, or– If the pH value of the heating water is less than 8.2 ormore than 10.0.TotalheatingoutputWater hardness at specific system volume1)≤ 20 l/kW > 20 l/kW≤ 50 l/kW > 50 l/kWkW ppmCaCO₃mol/m³ppmCaCO₃mol/m³ppmCaCO₃mol/m³< 50 < 300 < 3 200 2 2 0.02> 50to ≤ 200200 2 150 1.5 2 0.02> 200to ≤ 600150 1.5 2 0.02 2 0.02> 600 2 0.02 2 0.02 2 0.021) Nominal capacity in litres/heating output; in the case of multi-boiler systems, the smallest single heating output is to be used.Caution.Risk of material damage if the heatingwater is treated with unsuitable additives.Unsuitable additives may cause changes inthe components, noises in heating mode andpossibly subsequent damage.▶ Do not use any unsuitable frost and cor-rosion protection agents, biocides or seal-ants.No incompatibility with our products has been detected todate with proper use of the following additives.▶ When using additives, follow the manufacturer's instruc-tions without exception.We accept no liability for the compatibility of any additive orits effectiveness in the rest of the heating system.