Viessmann VITODENS 050-W Operating Instructions Manual
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Viessmann VITODENS 050-W Operating Instructions Manual

Viessmann VITODENS 050-W Operating Instructions Manual

Wall mounted gas boiler with black/white screen
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VIESMANN
Operating instructions
for the system user
Wall mounted gas boiler with black/white screen
VITODENS 050-W
Please keep safe.
6173895 GB
10/2023

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Summary of Contents for Viessmann VITODENS 050-W

  • Page 1 VIESMANN Operating instructions for the system user Wall mounted gas boiler with black/white screen VITODENS 050-W Please keep safe. 6173895 GB 10/2023...

  • Page 2: For Your Safety

    Safety instructions For your safety Please follow these safety instruc- tions closely to prevent accidents and material losses. Safety instructions explained Danger Note This symbol warns against the risk Details identified by the word "Note" of injury. contain additional information. Please note This symbol warns against the risk of material losses and environmen-...

  • Page 3: Auxiliary Components, Spare And Wearing Parts

    Safety instructions For your safety (cont.) Working on the appliance Auxiliary components, spare and wearing parts All settings and work on the appliance ■ must be performed as specified in Please note these operating instructions. Components not tested with the Further work on the appliance may be heating system may damage the carried out only by authorised contrac-...

  • Page 4: Installation Room Requirements

    Safety instructions For your safety (cont.) If you smell flue gas Installation room requirements Danger Danger Flue gas can lead to life threatening Sealed vents result in a lack of poisoning. combustion air. This leads to incom- Shut down the heating system. plete combustion and the formation ■...
  • Page 5 Safety instructions For your safety (cont.) Extractors Danger The simultaneous operation of the The operation of appliances that extract boiler and appliances that extract air to the outside (cooker hoods, extrac- air to the outside can result in life tors, air conditioning units, etc.) can cre- threatening poisoning due to a ate negative pressure.
  • Page 6 Index Index 1. Liability ........................ 2. Introductory information Symbols ....................Terminology ................... Intended use ..................10 Product information ................10 Weather-compensated operation ............10 ■ Constant operation ................10 ■ Room temperature-dependent operation ........... 10 ■ Operation .................... 11 ■ Software licences ...................
  • Page 7 Index Index (cont.) 8. Emissions test mode Starting emissions test mode ............26 Stopping emissions test mode ............... 26 9. Switching on and off Switching the system off ................ 27 With frost protection monitoring ............27 ■ Without frost protection monitoring ............. 27 ■...
  • Page 8 The relevant data protection regulations and terms of the system or the corresponding internet services. No use apply to the use of Viessmann apps. Viessmann liability is accepted for losses resulting from inappropri- accepts no liability for push notifications and email ate use.

  • Page 9: Introductory Information

    Introductory information Symbols Symbol Meaning Reference to other document containing further information Step in a diagram: The numbers correspond to the order in which the steps are carried out. Warning of personal injury Warning of material losses and environ- mental pollution Live electrical area Pay particular attention.

  • Page 10: Product Information

    Introductory information Intended use The appliance is intended solely for installation and Commercial or industrial usage for a purpose other operation in sealed unvented heating systems that than heating the building or DHW shall be deemed comply with EN 12828, with due attention paid to inappropriate.

  • Page 11: Operation

    Introductory information Product information (cont.) Constant operation as option with room tempera- Operating instructions for room temperature ture controller controller In constant operation with room temperature controller, OpenTherm controller the control unit measures the room temperature and compares it with the selected required room tempera- In room temperature-dependent operation, the central ture.

  • Page 12: Energy Saving Tips

    Introductory information Your system is preset (cont.) Frost protection Power failure ■ Your heat generator and DHW cylinder (if installed) All settings are retained if there is a power failure. are protected against frost. The frost protection function is only possible when an outside temperature sensor is connected.

  • Page 13: Operating Principles

    Operation Operating principles Touch buttons You can adjust any setting on your system centrally at The control unit is equipped with touch buttons. To the control unit. input settings and check information, tap the on-screen buttons. Controller for room temperature-dependent operation If a room temperature controller or OpenTherm con- Operating instructions for the room temperature troller is installed in one of your rooms, you can adjust...

  • Page 14: Overview Of Main Menu

    Operation Screen displays (cont.) Buttons and symbols Fig. 1 Function area Navigation area Buttons and symbols in navigation area Calls up the main menu. Takes you back to the home screen. Scrolls through the menu or adjusts values. "OK" You confirm the operation. Buttons and symbols in function area Note System pressure...
  • Page 15 Operation Operating programs for central heating and DHW heating Note The operating programs for central heating and DHW heating can be set separately or all together for the entire system. Operating program Function Central heating Heating circuit is active. The rooms of the selected heating circuit are heated in accordance with the specified room temperature or flow temperature: See chapter "Central heating".

  • Page 16: Switching On The Central Heating

    Central heating Factory settings for the temperature levels Weather-compensated operation Room temperature-dependent operation with ■ Standard room temperature: 20 °C OpenTherm controller In this operating mode, it is not possible to adjust tem- Constant operation and room temperature-depend- peratures via the control unit. ent operation See the OpenTherm controller operating instructions.

  • Page 17: Central Heating

    Central heating Adjusting the heating curve . (cont.) So that your rooms are heated optimally at any outside . should be selected temperature, you can adjust the heating curve slope and level. 3. "OK" to confirm Factory setting: should be selected. ■...

  • Page 18: Switching Off Dhw Heating

    DHW heating Switching on DHW heating You want to have DHW available. for 4 s until appears. Tap the following buttons: 3. "OK" to confirm. repeatedly to switch between the default dis- to exit the menu. plays until appears. Adjusting the temperature for DHW heating Factory settings: 50 °C Select the set temperature Adjust the DHW temperature to suit your needs.

  • Page 19: Adjusting The Display Brightness

    Further settings Adjusting the display brightness . Set the right brightness for your display. 3. "OK" to confirm Tap the following buttons: to set the value "HI" corresponds to the max. value. for 4 s to enter the main menu. 5.
  • Page 20 Further settings Switching internet access on or off (cont.) Establishing a WiFi connection You will need the ViCare app on your mobile device to Fault while establishing the connection establish an internet connection with the heat genera- "E10" Connection to the home network cannot be tor.
  • Page 21 Further settings Switching the wireless connection for the… (cont.) Note Menu point P.8 is hidden if a low power radio compo- nent is already connected to the appliance.
  • Page 22 Calling up the license information for third party components Requirement: Access point must be switched on. 3. Enter the WPA2 network key as the password for the "Viessmann-<xxxx>" WiFi. Tap the following buttons: Note 1. Call up the WiFi settings on your mobile device.

  • Page 23: Third Party Software

    NESS FOR A PARTICULAR PURPOSE. The single licences may contain more details on a limitation of warranty or liability. 5 Contact information Viessmann Climate Solutions SE D-35108 Allendorf Germany Fax +49 64 52 70-27 80 Phone +49 64 52 70-0 open-source-software-support@viessmann.com...

  • Page 24: Checking Fault Messages

    Checks Checking WiFi information . (cont.) 5. "OK" to confirm repeatedly to exit the menu. One of the following statuses is dis- played: WiFi off Signal strength very weak Signal strength weak Signal strength good Signal strength very good Connection is established No data transfer Communication error Offline...

  • Page 25: Burner Fault

    Checks Checking fault messages (cont.) Burner fault The display shows flashes. 2. Make a note of the fault number. A fault has caused the burner to lock out. You can This enables the contractor to be better prepared reset it. and may save you unnecessary travelling costs.
  • Page 26 Emissions test mode Starting emissions test mode Emissions test mode for testing flue gas must only be As soon as emissions test mode is active, the heat activated by your flue gas inspector during the annual generator flow temperature appears on the display. inspection.

  • Page 27: Switching The System Off

    Switching on and off Switching the system off With frost protection monitoring If you do not wish to use your heat generator for sev- Note eral days you can switch it off. For frost protection for the entire heating system, see Set the operating mode to OFF.

  • Page 28: Rooms Are Too Cold

    What to do if... Rooms are too cold Cause Remedy The heating system is off. Turn on the ON/OFF switch. ■ Switch on the mains isolator if installed (outside the ■ boiler room). Reset the MCB in the power distribution board (main ■...

  • Page 29: There Is No Hot Water

    What to do if... There is no hot water Cause Remedy The heating system is switched off. Turn on the ON/OFF switch. ■ Switch on the mains isolator if installed (outside the ■ boiler room). Reset the MCB in the power distribution board (main ■...

  • Page 30: Inspection And Maintenance

    On back flushing filters, back flush every ■ two months. Damaged cables / lines If there is damage to the connecting cables or lines of the appliance or externally installed accessories, these must be replaced with Viessmann cables or lines. For this, contact your qualified contractor.

  • Page 31: Operating Program

    Appendix Terminology Operating program The operating program enables you to define the fol- lowing, for example: ■ How you heat your rooms ■ Whether you heat DHW Heating curve Heating curve slope Heating curves illustrate the relationship between the outside temperature, the set room temperature and the flow temperature.

  • Page 32: Heating Circuit Pump

    Appendix Terminology (cont.) For an outside temperature of 14 °C: − Underfloor heating system: Slope 0.2 to 0.8 Low temperature heating system: Slope 0.8 to 1.6 System with a flow temperature in excess of 75 °C, slope 1.6 to 2.0 Note Setting the slope or level too high or too low will not cause any damage to your heating system.

  • Page 33: Information On Disposal

    Your contractor will dispose of the packaging from your Viessmann product. Final decommissioning and disposal of the heating system Viessmann products can be recycled. Components and fluids from your heating system do not belong in ordinary domestic waste. Please speak to your contractor about the correct dis-...
  • Page 34 Keyword index Keyword index Brightness adjustment..........19 Information..............10 Burner reset............... 25 Inspection..............30 Buttons............... 14 Intended use.............. 10 Internet access, switching on........19 Central heating – Factory setting............11 Legal information............22 Central heating, switching on........16 Level of heating curve..........31 Central heating adjustment........16 Liability.................
  • Page 35 Keyword index Keyword index (cont.) Switching on...............27 – Central heating............16 Water too cold............29 – DHW heating............18 Water too hot..............29 Symbols............... 9 What to do if...?............28 System WiFi................20 – Switching on............27 WiFi connection............20 WiFi connection, establishing........20 Winter mode...............31 Temperature Wireless connection, switching on......

  • Page 36: Your Contact

    Your contact Contact your local contractor if you have any questions about your system or wish to arrange maintenance or repair work. You can find local contractors on the internet at www.viessmann.de. Viessmann Climate Solutions SE Viessmann Limited 35108 Allendorf / Germany...

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