i1 April 2014 12:3020 ºCSD21ºC 21ºC21Z1 Z2Button FunctionUser GuideHeating FTC4 ControllerFTC4 ControllerAccess to system settings for initialset up and modificationsReturn to previous menuMenuBackUsed to select or save (Enter key)ConfirmUsed to scroll through menu andadjust settings. Function isdetermined by visible menu screenFunction keysIf system is switched off pressingonce will turn system on. Pressingagain when system is switched onwill enable Holiday mode. Holdingthe button down for 3 secs will turnthe system offPower / HolidayModeMain Screen Icons DescriptionWhen this icon is displayed Legionella prevention mode is activeLegionella PreventionWhen this icon is displayed the ‘Electric Heaters’ (booster or immersion heater) are in useElectric HeaterSummary Screen‘Heat Pump’ is runningDefrostingEmergency heatingHeat PumpTarget flow temperature (Fixed flow temperature)Target room temperature (Room compensation)Compensation curve (Weather compensation)Target TemperatureA B C PKLIH G F EMDJO NPressing the function button below this icon displays the summary screenCBADEFGHIJKLMNONormal or Eco mode domestic hot waterDHW ModeBoilerIncrease desired temperatureWhen this icon is displayed ‘Holiday mode’ is activatedHoliday ModeDecrease desired temperatureTimerProhibitedStand-byStopOperatingPressing the function button below this icon switches between Zone 1 and Zone 2Pressing the function button below this icon displays the information screenHeating modeSpace Heating Mode Zone 1 or Zone 2Current room temperatureCurrent TemperatureThe Menu button is lockedCurrent water temperature of DHW tankSD memory card is inserted. Normal operationSD memory card inserted. Abnormal operationInformationP When this icon is displayed, the boiler is in useSDSDZ1 Z2