Contents2 Operating instructions ecoTEC exclusive 0020193967_01Contents1 Safety .................................................................... 31.1 Action-related warnings ......................................... 31.2 Intended use .......................................................... 31.3 General safety information .................................... 32 Notes on the documentation .............................. 52.1 Observing other applicable documents ................. 52.2 Storing documents................................................. 52.3 Validity of the instructions ...................................... 53 Product description............................................. 53.1 Product design....................................................... 53.2 Control elements.................................................... 53.3 Operator control panel ........................................... 53.4 Displayed symbols................................................. 63.5 Information on the identification plate.................... 63.6 Serial number ........................................................ 63.7 CE label ................................................................. 63.8 Energy Saving Trust Endorsed Products .............. 64 Operation.............................................................. 74.1 Operating concept ................................................. 74.2 Basic display.......................................................... 74.3 Menu display.......................................................... 74.4 Operating levels..................................................... 74.5 Cabinet-type casing ............................................... 74.6 Opening the isolator devices ................................. 74.7 Starting up the product .......................................... 74.8 Switching on the product ....................................... 84.9 Setting the language.............................................. 84.10 Setting the domestic hot water temperature.......... 84.11 Switching Comfort mode on and off ...................... 84.12 Setting the heating flow temperature..................... 84.13 Switching Green iQ mode on and off .................... 84.14 Guaranteeing the correct filling pressure of theheating installation ................................................. 94.15 Switching off the product's functions ................... 104.16 Protecting the heating installation againstfrost...................................................................... 105 Detecting and rectifying faults ......................... 106 Calling up (Live monitor) status codes ........... 107 Care and maintenance ...................................... 107.1 Maintenance ........................................................ 107.2 Caring for the product .......................................... 107.3 Reading maintenance messages ........................ 117.4 Checking the condensate drain pipework andtundish ................................................................. 118 Decommissioning.............................................. 118.1 Temporarily decommissioning the product.......... 118.2 Permanently decommissioning the product......... 119 Recycling and disposal..................................... 1110 Guarantee and customer service..................... 1110.1 Guarantee............................................................ 1110.2 Customer service................................................. 11Appendix ............................................................................ 12A Operator level – overview ................................. 12B Troubleshooting ................................................ 12C Status codes – Overview .................................. 13