Vaillant ecoTEC plus Operating Instructions Manual

Also see for ecoTEC plus SERIES: Instructions for use Instructions for use Instructions for installation and servicing Instructions for use Instructions for installation and servicing

Vaillant ecoTEC plus Operating Instructions Manual Manual pdf 11 page image

OperationOperating instructions ecoTEC plus 0020116701_00 114Displayed symbolsFlame:Permanently on: Correct burner operation; Burner onDisplay of the current burner modulation rate (bargraph display)Display of the current filling pressure of the heatingsystem (bar graph display).The filling pressure must be in the mid rangebetween the two dotted lines.Permanently on: The filling pressure is within thepermitted range.Flashing: The filling pressure is outside ofthe permitted range (¬ Sec-tion 5.1.3).Heating mode activePermanently on: Heat demand, heating modeFlashing: Burner on in heating modeHot water generation activeFor VUI/VUW boilers:Permanently on: In draw-off mode before theburner is onFlashing: Burner on in draw-off modeOn VU boilers:Permanently on: time slot activated for hot watergenerationFlashing: Domestic hot water cylinder isbeing heated, burner onOnly on VUI/VUW boilers:Comfort mode activePermanently on: Comfort mode is activatedFlashing: Comfort mode is active,burner onService required. In the "Live monitor", you canread further information about the reason for theservice (¬ Section 8.2).Additional symbols:Summer mode activeHeating mode is switched offBoiler anti-cycling time is activeThis function is used to prevent frequent on/offoperations, and therefore contributes to prolongingthe life of your boiler.The symbol also appears if the boiler is in a waitingperiod.F.XXFault in the boiler. Appears instead of the basic dis-play (¬ Section 4.4).A plain text display explains the displayed faultcode.Example: F.10 Flow NTC short circuit.4.3 Operating conceptYou can operate the boiler using the selection buttons andthe plus/minus buttons.Both selection buttons have a soft key function. This meansthat their function can change.45DHW temperatureBack4.3 Display after pressing the left-hand selection buttonIf, for example, you press the left-hand selection button inthe basic display (¬ Section 4.4), the current functionswitches from " " (hot water temperature) to "Back".With the left-hand selection button :– you can navigate directly to set the hot water temperature– you can cancel the change to a set value or the activa-tion of an operating mode– you can go one selection level higher in the menuWith the right-hand selection button :– you can navigate directly to set the heating flow temper-ature, to the precise value of the water pressure of theheating system and to activate Comfort mode– you can confirm a set value or the activation of an oper-ating mode– you can go one selection level lower in the menu