Contents2 Operating instructions ecoTEC plus 0020245033_00Contents1 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 Applicability of the instructions .............................. 53 Product description............................................. 53.1 Product design....................................................... 53.2 Control elements.................................................... 53.3 Displayed symbols................................................. 63.4 Information on the identification plate.................... 63.5 Serial number ........................................................ 73.6 CE label ................................................................. 73.7 Energy Saving Trust Endorsed Products .............. 73.8 Hot Water Association ........................................... 73.9 Benchmark............................................................. 74 Operation.............................................................. 74.1 Operating concept ................................................. 74.2 Basic display.......................................................... 84.3 Menu display.......................................................... 84.4 Adjustment and display levels ............................... 84.5 Cabinet-type casing ............................................... 84.6 Opening the isolator devices ................................. 84.7 Starting up the product .......................................... 84.8 Switching on the product ....................................... 84.9 Setting the language.............................................. 84.10 Setting the heating flow temperature..................... 94.11 Setting the hot water temperature ......................... 94.12 Switching Comfort mode on and off ...................... 94.13 Activating the shift-load cylinder ............................ 94.14 Setting the target cylinder temperature ............... 104.15 Switching off the product's functions ................... 104.16 Guaranteeing the correct filling pressure of theheating system..................................................... 104.17 Protecting the heating installation againstfrost...................................................................... 115 Troubleshooting ................................................ 115.1 Detecting and rectifying faults ............................. 115.2 Calling up (Live monitor) status codes ................ 116 Care and maintenance ...................................... 116.1 Maintenance ........................................................ 116.2 Caring for the product .......................................... 116.3 Reading maintenance messages ........................ 116.4 Checking the condensate drain pipework andtundish ................................................................. 117 Decommissioning.............................................. 127.1 Temporarily decommissioning the product.......... 127.2 Permanently decommissioning the product......... 128 Recycling and disposal..................................... 129 Guarantee and customer service..................... 129.1 Guarantee............................................................ 129.2 Customer service................................................. 12Appendix ............................................................................ 13A Operator level – overview ................................. 13B Status codes – Overview .................................. 13C Troubleshooting ................................................ 14