Vaillant ecoFIT sustain 835 Operating Instructions Manual

Also see for ecoFIT sustain 825: Installation and maintenance instructions Installation and maintenance instructions Installation and maintenance instructions

4 Operation10 Operating instructions ecoFIT sustain 0020230530_01who should, on receipt, write the Notifica-tion Number on the Benchmark Checklist.This product should be serviced regularlyto optimise its safety, efficiency and per-formance. The service engineer shouldcomplete the relevant Service Record onthe Benchmark Checklist after each ser-vice.The Benchmark Checklist will be requiredin the event of any warranty.4 Operation4.1 Operating conceptOp-eratorcontrolelementFunction– Setting the hot water temperat-ure– Cancelling the activation of anoperating mode– Cancelling a change to a setvalue– Going one selection levelhigher– Setting the heating flow tem-perature– Reading the system pressure– Activating the comfort mode– Activating the operating mode– Confirm setting– Going one selection level lower+at thesametime– Calling up the menuor – Reducing or increasing the setvalue– Scrolling through menu entriesThe current function of the and but-tons is shown in the display.Adjustable values are always displayed asflashing.You must always confirm a change to avalue. Only then is the new setting saved.You can press to cancel a procedure atany time.4.2 Basic display50The basic display shows the current condi-tion of the product. If you press a selectionbutton, the activated function is displayedin the display.The functions that are available dependon whether a controller is connected to theproduct.You can switch back to the basic displayby:– Pressing to exit the selection levels– Not pressing any button for longer than15 minutes.If there is an error message present, thebasic displays switches to the error mes-sage.4.3 Adjustment and display levelsThe product has two adjustment anddisplay levels.The end user level contains informationand setting options that you require as theend user.The installer level is reserved for the com-petent person. It is protected by a code.Only competent persons may change anysettings in the installer level.