Index44 Installation and maintenance instructions ecoTEC plus 0020029173_04IndexAAir index setting................................................................... 20Air separator........................................................................ 26Air separator, filter ............................................................... 26Air/flue pipe ......................................................................... 14Air/flue pipe, installed ............................................................ 5Article number ....................................................................... 8Automatic air vent................................................................ 18BBurner anti-cycling time....................................................... 23CCalling up diagnostics codes............................................... 22Carrying out inspection work ............................................... 24Carrying out maintenance work........................................... 24CE label................................................................................. 8Check programmes ............................................................. 16Checking the burner ............................................................ 26Checking the CO₂ content ................................................... 20Checking the pre-charge pressure of the expansionvessel .................................................................................. 27Circulation pump ................................................................. 16Cleaning the condensate duct and the condensate trap..... 26Combustion air ...................................................................... 6Compact thermal module ................................................ 6, 24Completing inspection work ................................................ 27Completing maintenance work ............................................ 27Completing repair work ....................................................... 28Completing, repair work ...................................................... 28Condensate drain pipework................................................. 13Condensate duct ................................................................. 26Connecting the controller .................................................... 15Connection dimensions ......................................................... 9Corrosion............................................................................... 6Corrugated gas pipe.............................................................. 6DDecommissioning ................................................................ 28Decommissioning the product ............................................. 28Descaling the heat exchanger............................................. 25Descaling, heat exchanger.................................................. 25Diagnostics level ................................................................. 22Disposal, packaging ............................................................ 28Disposing of the packaging ................................................. 28Documents ............................................................................ 8Draining the product ............................................................ 27EElectricity ............................................................................... 5Expansion relief valve ......................................................... 13FFault codes.................................................................... 27, 34Fault memory ...................................................................... 28Filling the condensate trap .................................................. 19Filling the heating installation .............................................. 18Filling, heating installation ................................................... 18Filter, air separator .............................................................. 26Flow temperature, maximum............................................... 23Flue gas route ....................................................................... 5From the delivery point to the installation site ....................... 9Front casing, closed .............................................................. 5Frost ...................................................................................... 6GGas connection ................................................................... 12Gas ratio setting .................................................................. 19HHanding the product over to the operator............................ 23Handling ................................................................................ 9Heat exchanger ................................................................... 25Heating flow......................................................................... 13Heating partial load ............................................................. 22Heating return...................................................................... 13Hot water temperature, risk of scalding................................. 5IIdentification plate ................................................................. 8If you smell gas ..................................................................... 4Inspection and maintenance intervals ................................. 24Installation clearances......................................................... 10Installation site................................................................... 5–6Installer level ....................................................................... 22Installing the compact thermal module................................ 27Installing the front casing..................................................... 11Intended use.......................................................................... 4LLeak detection spray ............................................................. 6MMains connection ................................................................ 15Maintenance interval ........................................................... 23Minimum clearances ........................................................... 10PPerforming diagnostics........................................................ 28Power supply....................................................................... 15Preparing the repair work .................................................... 28Product dimensions............................................................... 9Pump operating mode ......................................................... 22Pump overrun...................................................................... 22Purging the heating installation ........................................... 18Purging, heating installation ................................................ 18RReading off the filling pressure............................................ 17Regulations ........................................................................... 6Removing the condensate trap ........................................... 26Replacing the burner ........................................................... 28Replacing the display .......................................................... 28Replacing the PCB .............................................................. 28Replacing, display ............................................................... 28Replacing, PCB ................................................................... 28Resetting parameters .......................................................... 28Resetting, all parameters .................................................... 28SSafety device......................................................................... 5Schematic drawing ................................................................ 5Second diagnostics level..................................................... 22Serial number ........................................................................ 8Service partner .................................................................... 27Setting the CO₂ content....................................................... 20Spare parts.......................................................................... 24Supply of combustion air ....................................................... 5Switching on the product ..................................................... 16TTool ....................................................................................... 6Transport ............................................................................... 6Treating the heating water .................................................. 17