Operating 40020135485_00 VRT 350 Operating instructions 174.4.3 Overview of operating modesThe activated operating mode is shown in the top left of the basic display.The right-hand selector button can be used to navigate from the basic display directly to the settings under «Operatingmode».If you have activated an advanced function, the display indicates the advanced function.’VR 66’ Control CentreIf there is a second heating circuit, you can only set the operating modes using the main controller. The operating modethat is set applies for Zone 1 and for Zone 2.Mode Setting Factory reset Own settingCurrent modeAuto Automatic mode ActiveSummer Summer mode Not activeDay Comfort mode Not activeSet-back Set-back mode Not activeSystem OFF System OFF Not activeSpecial operating modeCylinder boost Active, Not active Not activeParty function Active, Not active Not active1 day away from home Active, Not active Not activeTable 4.2: Operating modes4.4.4 Overview of operating levelsSelectionlevel 1Selectionlevel 2Setting level Values Unit Incre-ment/SelectFactory reset Ownsettingmin. max.Information SystemstatusSystemStatus Current valueWater pressure Current value barHot water Current value Charged, char-gingHEATING 1Day temperature Current value °C 0.5 205 30Set-back tem-peratureCurrent value °C 0.5 155 30Auto day tempuntilCurrent value hr:minaway from Current value dd.mm.yyaway to Current value dd.mm.yyContactdetailsInstaller Phone Current valuesSerial num-berUnit number Permanent valueIf the ’VR 66’ is connected, the functions shown in italics are only available for Zone 1 and these are only shown in the display for themain controller.