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Operating instructions
Publisher/manufacturer
Vaillant GmbH
Berghauser Str. 40
D-42859 Remscheid
Tel. +49 21 91 18‑0
Fax +49 21 91 18‑2810
info@vaillant.de
www.vaillant.de
ecoFIT sustain
615 - 630
GB, IE

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Summary of Contents for Vaillant ecoFIT sustain 618

  • Page 1 Operating instructions ecoFIT sustain 615 - 630 GB, IE Publisher/manufacturer Vaillant GmbH Berghauser Str. 40 D-42859 Remscheid Tel. +49 21 91 18‑0 Fax +49 21 91 18‑2810 info@vaillant.de www.vaillant.de...
  • Page 2: Table Of Contents

    Contents Contents Safety ..............3 Action-related warnings ......... 3 Intended use ............3 General safety information ........3 Notes on the documentation ......5 Observing other applicable documents ....5 Storing documents..........5 Validity of the instructions ........5 Product description..........5 Front view ..............
  • Page 3: Safety

    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 General safety information...
  • Page 4 1 Safety 1.3.4 Risk of death due to blocked or 1.3.8 Risk of material damage caused by leaking flue pipework frost ▶ Ensure that the heating installation always What to do if you smell flue gas in the prop- erty: remains in operation during freezing con- ditions and that all rooms are sufficiently ▶...
  • Page 5: Notes On The Documentation

    Article number Gas Council Number VU 156/6-3 (H-GB) 0010025271 41-694-30 ecoFIT sustain 615 VU 186/6-3 (H-GB) 0010025272 41-694-31 ecoFIT sustain 618 VU 306/6-3 (H-GB) 0010025273 41-694-32 ecoFIT sustain 630 Product description Front view Current heating flow Reset button temperature, operating...
  • Page 6: Information On The Identification Plate

    Product designation 2H, G20 – 2 kPa (20 Factory setting for type of gas and gas Vaillant is a licensed member of the Benchmark Scheme mbar) connection pressure which aims to improve the standards of installation and com- Cat.
  • Page 7: Operation

    Operation 4 Operation Adjustment and display levels The product has two adjustment and display levels. Operating concept The end user level contains information and setting options that you require as the end user. Operator Function control The installer level is reserved for the competent person. It is element protected by a code.
  • Page 8: Setting The Hot Water Temperature

    4 Operation Setting the hot water temperature 4.11 Guaranteeing the correct filling pressure of the heating installation Danger! 4.11.1 Checking the filling pressure of the heating Risk of death from legionella. installation Legionella multiply at temperatures below Note 60 °C. To ensure that the heating installation operates ▶...
  • Page 9: Protecting The Heating Installation Against Frost

    Troubleshooting 5 Troubleshooting Turn the filling cock on slowly and allow water to flow in until the required filling pressure has been reached. Close the heating water supply. Detecting and rectifying faults Purge all radiators. ▶ If faults occur, proceed in accordance with the table in Check the filling pressure in the display.
  • Page 10: Decommissioning

    To ensure regular servicing, it is strongly recommended on/off button, and when the gas isolator cock that arrangements are made for a Maintenance Agreement. is open. Please contact Vaillant Service Solutions for further details: ▶ Temporarily decommission the product Telephone: 0330 100 3461 only if no frost is expected.
  • Page 11: Appendix

    Appendix Appendix Status codes – Overview Status codes that are not listed here can be viewed in the installation instructions. Status code Parameter Meaning Displays in heating mode Heating: No heat demand S.00 Heating: No heat demand Heating mode: Pump pre-run S.02 Heating mode: Pump pre-run Heating mode: Ignition...
  • Page 12 0020277253_00 0020277253_00 12.04.2018 Supplier Vaillant Ltd. Nottingham Road Belper Derbyshire DE56 1JT Telephone 0330 100 3461 info@vaillant.co.uk www.vaillant.co.uk © These instructions, or parts thereof, are protected by copyright and may be reproduced or distributed only with the manufacturer's written consent. We reserve the right to make technical changes.

This manual is also suitable for:

Ecofit sustain 615Ecofit sustain 630

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