Contents2 Installation and maintenance instructions ecoTEC exclusive 0020193966_01Contents1 Safety .................................................................... 41.1 Action-related warnings ......................................... 41.2 Intended use .......................................................... 41.3 General safety information .................................... 41.4 Regulations (directives, laws, standards) .............. 62 Notes on the documentation .............................. 72.1 Observing other applicable documents ................. 72.2 Storing documents................................................. 72.3 Validity of the instructions ...................................... 72.4 Benchmark............................................................. 73 Product description............................................. 73.1 Product design....................................................... 73.2 Information on the identification plate.................... 83.3 CE label ................................................................. 83.4 Energy Saving Trust Endorsed Products .............. 83.5 Compartment Ventilation ....................................... 84 Set-up.................................................................... 84.1 Unpacking the product........................................... 84.2 Scope of delivery ................................................... 84.3 Transporting the product ....................................... 94.4 Dimensions ............................................................ 94.5 Minimum clearances............................................ 104.6 Using the installation template............................. 104.7 Wall-mounting the product................................... 104.8 Removing the front casing ................................... 114.9 Removing the side section .................................. 115 Installation.......................................................... 115.1 Installation requirements ..................................... 125.2 Installing the gas connection ............................... 135.3 Checking the gas line for leak-tightness.............. 135.4 Installing the cylinder connections....................... 135.5 Connecting the heating flow and heatingreturn ................................................................... 135.6 Connecting the condensate drain pipework ........ 135.7 Installing the discharge pipe on the expansionrelief valve............................................................ 145.8 Flue installation.................................................... 145.9 Electrical installation ............................................ 146 Operation............................................................ 166.1 Operating concept ............................................... 166.2 Calling up the installer level ................................. 166.3 Live Monitor (status codes) ................................. 177 Start-up ............................................................... 177.1 Carrying out the initial start-up............................. 177.2 Switching the product on/off ................................ 177.3 Running the installation assistants ...................... 177.4 Restarting the installation assistants ................... 187.5 Test programmes................................................. 187.6 Using check programmes .................................... 187.7 Checking and treating the heating water/fillingand supplementary water .................................... 187.8 Preventing low water pressure ............................ 197.9 Flushing the heating installation for the firsttime ("cold") ......................................................... 207.10 Filling the heating installation .............................. 207.11 Purging the heating installation ........................... 207.12 Filling the condensate trap .................................. 207.13 Gas inspection ..................................................... 217.14 Checking leak-tightness ...................................... 237.15 Thoroughly flushing the heating installation("hot")................................................................... 248 Adapting the unit to the heatinginstallation.......................................................... 248.1 Calling up diagnostics codes ............................... 248.2 Burner anti-cycling time ....................................... 248.3 Setting the maintenance interval ......................... 258.4 Setting the pump output....................................... 258.5 Setting the bypass valve...................................... 258.6 Handing the product over to the operator............ 269 Troubleshooting ................................................ 269.1 Comfort protection mode for the heat cell ........... 269.2 Checking service messages................................ 269.3 Eliminating faults.................................................. 279.4 Calling up/clearing the fault memory ................... 279.5 Resetting parameters to factory settings ............. 279.6 Preparing the repair work .................................... 279.7 Replacing defective components......................... 279.8 Completing repair work........................................ 3010 Inspection and maintenance ............................ 3010.1 Function menu ..................................................... 3010.2 Electronics self-test.............................................. 3110.3 Working on the compact thermal module ............ 3110.4 Cleaning the condensate trap.............................. 3210.5 Draining the product ............................................ 3310.6 Checking the pre-charge pressure for theinternal expansion vessel .................................... 3310.7 Completing inspection and maintenance work .... 3311 Decommissioning.............................................. 3311.1 Temporarily decommissioning the product.......... 3311.2 Decommissioning the product ............................. 3312 Recycling and disposal..................................... 3313 Customer service............................................... 33Appendix ............................................................................ 34A Installer level – Overview .................................. 34B Overview of diagnostics codes ........................ 36C Status codes – Overview .................................. 41D Overview of fault codes .................................... 43E Wiring diagram................................................... 46F Inspection and maintenance work –Overview............................................................. 48G Commissioning Checklist................................. 50H Opening of the flue pipe.................................... 54H.1 Positioning of the opening of a fan-supportedflue gas pipe ........................................................ 54I Horizontal terminal positioning........................ 55J Technical data.................................................... 55