Vaillant multiMATIC VRC 700f/4 Operating Instructions Manual

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Contents

Vaillant multiMATIC VRC 700f/4 Operating Instructions Manual Manual pdf 17 page image

Operating and display functions 50020237615_02 multiMATIC Operating instructions 175.2.18 Resetting to default settingYou can reset the settings for the Time programmes or forEverything to the default setting.Menu → Basic settings → Default setting → Time pro-grammes– With Time programmes, you reset all the settings youhave made in the Time programmes function to thedefault setting. All other settings that include times, suchas Date/time, are not affected.While the system control is resetting the time programmesettings to the default settings, In progress is shown on thedisplay. The basic display is then shown on the display.Caution.Risk of a malfunction.The Default setting Everything functionrestores all settings to the default settings,including those set by the competent person.It may be the case that it is no longer possibleto operate the heating installation after this.▶ Arrange for the competent person to resetall settings to factory settings.Menu → Basic settings → Default setting → Everything– While the system control is restoring the factory settings,Reset to default setting In progress is shown in thedisplay. The installation assistant is then shown in thedisplay; it must only be operated by a competent person.5.2.19 Installer levelThe Installer level is reserved for the competent person andis therefore protected by an access code. At this level, thecompetent person can implement the required settings.5.3 Operating modesThe operating modes can be activated directly from anyoperating mode using the right-hand selection button Op.mode. If the heating installation is equipped with more thanone zone, the activated operating mode only applies for thezone that was preset by the competent person.If more than one zone is activated, you can set a separateoperating mode for each zone using the left-hand selectionbutton Menu→ Basic settings.The path details given at the start of each operating modedescription indicate how you reach this operating mode inthe menu structure.5.3.1 Setting the Heating operating modeOp. mode → HeatingMenu → Basic settings → Operating mode → ZONE1 →Heating– You can use this function to specify how the heating in-stallation should operate during heating.off: The zone is switched off in this operating mode and thefrost protection function is activated.Auto: The operating mode brings the zone to the desiredtemperature set for Day temp. heating in the time periodsthat you have set in the time programme.Outside these time periods, the system control regulates thecontrol behaviour set by the competent person.– Eco The heating function is switched off and the systemcontrol monitors the outdoor temperature. If the outdoortemperature falls below 3 °C, the system control switchesthe heating function on after the end of the frost protec-tion delay time and brings the room temperature to theset desired temperature Set-back temp. heat.. Despitethe heating function being activated, the burner is onlyactive on demand. If the outdoor temperature rises above4 °C, the system control switches the heating function off,but continues to monitor the outdoor temperature.– Set-back: The heating function is switched on and thesystem control brings the room temperature to the setdesired temperature Set-back temp. heat..Day: The operating mode brings the zone to the desiredtemperature Day temp. heating, regardless of the time peri-ods that you have set in the time programme.Set-back: The operating mode brings the zone to the de-sired temperature Set-back temp. heat., regardless of thetime periods that you have set in the time programme.5.3.2 Setting the Cooling operating modeOp. mode → CoolingMenu → Basic settings → Operating mode → ZONE1 →Cooling– You can use this function to specify how the heating in-stallation should operate during cooling.off: The zone is switched off in this operating mode.Auto: The operating mode brings the zone to the desiredtemperature Day temp. cooling in the time periods that youhave set in the time programme. Outside these time periods,the Cooling function is switched off.Day: The operating mode brings the zone to the desiredtemperature set for Day temp. cooling, regardless of thetime periods that you have set in the time programme.5.3.3 Setting the Ventilation operating modeThe operating instructions for the ventilation unit explain howthe ventilation unit works with the ventilation levels.Op. mode → Ventilation– You can use this function to define how the ventilationunit operates during ventilation.Auto: The operating mode controls the air exchange viathe set ventilation level Max. vent. stage: Day in the settime periods that you have defined in the time programme.The set ventilation level Max. vent. stge: Night is effectiveoutside of the time periods.If air-quality sensors are connected to the ventilation unit, theventilation unit varies the ventilation levels:– If the air quality is good, the ventilation unit works at alower ventilation level than the one that is set.– If the air quality is poor, the ventilation unit works at ahigher ventilation level. However, the ventilation unit can-not exceed the Max. vent. stage: Day and Max. vent.stge: Night ventilation levels that are set.