Vaillant ecoTEC VU 466/4 Installation And Maintenance Instructions Manual

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Vaillant ecoTEC VU 466/4 Installation And Maintenance Instructions Manual Manual pdf 33 page image

33Installation and maintenance instructions ecoTEC 0020029172_03TFlow(target)[°C]Set maximum burner anti-cycling time [min]1 5 10 15 20 25 30 35 40 45 50 55 6020 2.0 5,0 10,0 15,0 20,0 25,0 30,0 35,0 40,0 45,0 50,0 55,0 60,025 2.0 4,5 9,2 14,0 18,5 23,0 27,5 32,0 36,5 41,0 45,0 50,0 54,530 2.0 4,0 8,5 12,5 16,5 20,5 25,0 29,0 33,0 37,0 41,0 45,0 49,535 2.0 4,0 7,5 11,0 15,0 18,5 22,0 25,5 29,5 33,0 36,5 40,5 44,040 2.0 3,5 6,5 10,0 13,0 16,5 19,5 22,5 26,0 29,0 32,0 35,5 38,545 2.0 3.0 6.0 8,5 11,5 14,0 17,0 19,5 22,5 25,0 27,5 30,5 33,050 2.0 3.0 5,0 7,5 9,5 12,0 14,0 16,5 18,5 21,0 23,5 25,5 28,055 2.0 2.5 4,5 6.0 8,0 10,0 11,5 13,5 15,0 17,0 19,0 20,5 22,560 2.0 2.0 3,5 5,0 6.0 7,5 9,0 10.5 11,5 13,0 14,5 15,5 17,065 2.0 1,5 2.5 3,5 4,5 5,5 6,5 7,0 8,0 9,0 10,0 11,0 11,570 2.0 1,5 2.0 2.5 2.5 3.0 3,5 4,0 4,5 5,0 5,5 6.0 6,575 2.0 1,0 1,0 1,0 1,0 1,0 1,0 1,0 1,0 1,0 1,0 1,0 1,0Table 7.2 Effective burner anti-cycling timesThe effective burner anti-cycling times for each casedepending on the set target flow temperature and themaximum specified burner anti-cycling time can betaken from Table 7.2.7.2.5 Determination of maintenanceinterval/maintenance displayThe ecoTEC electronics incorporate a feature thatenables you to determine the maintenance intervals forthe boiler. This function serves to provide a signal aftera specific, adjustable number of burner operating hoursthat the boiler needs to be maintained.The service signal SEr and the current flow temperatureare shown alternately in the display of the ecoTEC oncethe specified number of burner operating hours haselapsed. The "maintenance" message appears in thedisplay of the eBUS controller (accessories).Heat demand Number ofpersonsBurner operating hours to the nextinspection/maintenance(dependent upon the system type)5 kW 1 - 22 - 31.650 h1.650 h10 kW 1 - 22 - 32.300 h2.300 h15 kW 2 - 33 - 41.800 h1.800 h20 kW 3 - 44 - 52.500 h2.500 h25 kW 3 - 44 - 62.600 h2.600 h> 27 kW 3 - 44 - 63.000 h3.000 hTable 7.3 Guide values for operating hoursThe number of operating hours up to the nextmaintenance can be set under the diagnosis point"d.84". Guide values can be taken from table 7.3; thesevalues comply with an approximate operating time ofone year for the appliance.The operating hours can be set in steps of ten from 0 to3000 h.If the symbol "–" is entered at diagnosis point "d.84"instead of a numerical value, the "maintenance display"function is deactivated.h Note!After the set number of hours has elapsed, theservice interval must be entered in thediagnosis mode again.Adapting the boiler to the heating installation 7