Contents Contents Safety ..............3 Action-related warnings ......... 3 Intended use ............3 Notes on the documentation ......4 Observing other applicable documents ....4 Storing documents..........4 Validity of the instructions ........4 Product description..........4 Front view .............. 4 Control elements............
Safety 1 document shall be considered improper use. Safety Any direct use in industrial or commercial Action-related warnings processes is also deemed to be improper. Classification of action-related warnings Caution. The action-related warnings are classified in Improper use of any kind is prohibited. accordance with the severity of the possible danger using the following warning signs and signal words:...
2 Notes on the documentation Notes on the documentation 3.2.1 Operator control panel Observing other applicable documents ▶ You must observe all operating instructions enclosed with the system components. Storing documents ▶ Keep this manual and all other applicable documents safe for future use.
Basic display Vaillant is a licensed member of the Benchmark Scheme which aims to improve the standards of installation and com- missioning of domestic heating and hot water systems in the UK and to encourage regular servicing to optimise safety, ef- ficiency and performance.
4 Operation Adjustment and display levels Setting the hot water temperature The product has two adjustment and display levels. Danger! The end user level contains information and setting options Risk of death from legionella. that you require as the end user. Legionella multiply at temperatures below The installer level is reserved for the competent person.
Troubleshooting 5 Caring for the product Note ▶ To keep the frost protection devices active, you Clean the casing with a damp cloth and a little solvent- should switch your product on and off using the free soap. controller, if one is provided. ▶...
Customer service To ensure regular servicing, it is strongly recommended that arrangements are made for a Maintenance Agreement. Please contact Vaillant Service Solutions for further details: Telephone: 0330 100 3461 Operating instructions ecoFIT sustain 0020277263_00...
Appendix Appendix Status codes – Overview Status codes that are not listed here can be viewed in the installation instructions. Status code Meaning Displays in heating mode S.00 Heating: No heat demand S.02 Heating mode: Pump pre-run S.03 Heating mode: Ignition S.04 Heating mode: Burner on S.06...