Viessmann VITODENS Operating Instructions Manual
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Viessmann VITODENS Operating Instructions Manual

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VIESMANN
Operating instructions
for the system user
Heating system with the Vitotronic 200 control unit, type HO1B, for
weather-compensated mode
VITODENS
VITOLADENS
VITOPEND
Please keep safe.
5592 682 GB
10/2013

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June 5, 2025

hybrid water heater vitodens ho1b - does this unit use gas or electric?

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Summary of Contents for Viessmann VITODENS

  • Page 1 VIESMANN Operating instructions for the system user Heating system with the Vitotronic 200 control unit, type HO1B, for weather-compensated mode VITODENS VITOLADENS VITOPEND Please keep safe. 5592 682 GB 10/2013...
  • Page 2 Safety instructions For your safety Please follow these safety instructions closely to prevent accidents and mate- rial losses. Safety instructions explained Danger Incorrectly executed work on the Danger heating system can lead to life This symbol warns against the threatening accidents. risk of injury.

  • Page 3: For Your Safety

    Safety instructions For your safety (cont.) If you smell flue gas Installation room conditions Danger Danger Flue gas can lead to life threat- Sealed vents result in a lack of ening poisoning. combustion air. This leads to ■ Shut down the heating system. incomplete combustion and the ■...
  • Page 4 Safety instructions For your safety (cont.) Extractors Operating appliances that extract air to the outside (cooker hoods, extractors, air conditioning units, etc.) can create neg- ative pressure. If the boiler is operated at the same time, this can lead to reverse flow of the flue gas.
  • Page 5 Index Index Introductory information Intended use......................Commissioning..................... Terminology......................Your system has been preset................Tips on saving energy..................10 Tips for greater comfort..................11 Operation Opening the control unit..................12 Programming unit....................12 ■ "Help" menu...................... 13 ■ Symbols......................13 Standard menu..................... 14 Extended menu....................
  • Page 6 Index Index Comfort function "Party mode"................28 ■ Setting "Party mode" for central heating............28 ■ Cancelling "Party mode"................... 29 Energy saving function "Economy mode"............29 ■ Setting "Economy mode" for central heating............ 29 ■ Cancelling "Economy mode"................29 Energy saving function "Holiday program"............30 ■...
  • Page 7 Index Index (cont.) ë flashes and "Service" is displayed..............48 "Controls locked out" is displayed................ 48 "External hook-up" is displayed................48 "External program" is displayed................48 Repair work Cleaning....................... 49 Inspection and maintenance................49 ■ Boiler......................... 49 ■ DHW cylinder (if installed)................. 49 ■...
  • Page 8 Introductory information Intended use The appliance is only intended to be Any usage beyond this must be installed and operated in sealed unven- approved by the manufacturer for the ted heating systems that comply with individual case. EN 12828, with due attention paid to the associated installation, service and Incorrect usage or operation of the appli- operating instructions.

  • Page 9: Introductory Information

    Introductory information Terminology (cont.) Further information can be found in chapter "Terminology" in the Ap- pendix. Your system has been preset Your heating system is preset at the fac- Frost protection tory and is therefore ready for opera- ■ Your boiler and DHW cylinder are pro- tion: tected against frost.
  • Page 10 Introductory information Tips on saving energy Central heating ■ Ventilation: Close the thermostatic valves to ven- ■ Standard room temperature ("Set tilate. Open the windows fully for a room temperature", see page 25): brief time. Never overheat your home. Every ■...

  • Page 11: Tips For Greater Comfort

    Introductory information Tips for greater comfort Central heating DHW heating ■ Standard room temperature ("Set ■ Time program (see page 31 room temperature", see page 25): and 32): You can select your individual prefer- Use the time program for DHW heat- red temperature at any time in the ing.

  • Page 12: Programming Unit

    Operation Opening the control unit 21°C 14°C Programming unit You can change any settings on your Note heating system centrally at the program- The programming unit can be placed in ming unit of the control unit. a wall mounting base. The wall mounting If remote control units are installed in base is available as an accessory.

  • Page 13: Operation

    Operation Programming unit (cont.) Two control levels are available: Note ■ The standard menu: See page 14 The screensaver is activated if you have ■ The extended menu: See page 15 not made any adjustments on the pro- gramming unit for a few minutes (see page 16).
  • Page 14 Operation Standard menu The following settings for preferred heat- Call up the standard menu as follows: ing circuit D can be called up and adjus- ■ If the screensaver is active (see ted in the standard menu: page 16): Press OK. ■...

  • Page 15: Standard Menu

    Operation Standard menu (cont.) Setting the operating program for the preferred heating circuit Press the following keys: for the required operating program Extended menu In the extended menu, you can call up Note and adjust all the settings from the Your heating contractor can block the Vitotronic control unit range of functions, operation of the extended menu.
  • Page 16 Operation How to use the controls If you have not made any settings for a few minutes, the screensaver is activa- ted. The display brightness is reduced. 21 °C 14 °C B Current outside temperature C Set room temperature 1. Press OK. This takes you to the The following diagram shows how to standard menu (see page 14).

  • Page 17: How To Use The Controls

    Operation How to use the controls (cont.) 21 °C 14 °C Boiler temperature 48 °C Menu Heating Solar energy Test mode Continue with Heating circuit 1 Htg circ. selection Ù Ú Ù Ú Ù Ú Party mode ê Ú Economy mode ê Heating circuit 2 Set room temperature Set reduced room temp Continue with...

  • Page 18: Operating Programs For Central Heating, Dhw, Frost Protection

    Operation Operating program Operating programs for central heating, DHW, frost protection Symbol Operating program Function Central heating and DHW heating "Heating and DHW" ■ The rooms of the selected heating circuit are heated in accordance with the room temperature and time program specified (see chapter "Central heating").

  • Page 19: Operating Program

    Operation Operating program (cont.) ■ "External program" Note The operating program was changed In the extended menu, you can call up by a communication interface (e.g. the set operating program under "Infor- Vitocom 100). mation" (see page 54). ■ "Holiday program" (see page 30) Time program The following explains how to input the ■...

  • Page 20: Setting The Time Program Efficiently

    Operation Time program (cont.) Example of time phases within the ■ Time program for "Monday-Friday" time program for central heating ("Mo-Fr") ■ Time phase !: 05:00 to 08:30 h ■ Time phase ?: 16:30 to 23:00 h Heating Mo-Fr In between these time phases the sys- tem heats to a reduced temperature.

  • Page 21: Deleting Time Phases

    Operation Time program (cont.) Note Heating time program The "Saturday-Sunday" part of the Monday-Sunday week will be ticked because this is ê now the only part of the week which Monday-Friday ê has identical time phases. Saturday-Sunday ê ç Monday Select with Deleting time phases ■...
  • Page 22 1. Check the heating system pressure at the pressure gauge. The heating 3. For Vitodens and Vitopend: system pressure is too low if the indi- Open the gas shut-off valve. cator points to the area below For Vitoladens: 1.0 bar.

  • Page 23: Starting The Heating System

    Start-up/shutdown Starting the heating system (cont.) 5. Switch the ON/OFF switch ON. After a short time, the standard menu is displayed (see page 14). The green ON indicator illuminates. Your heat- ing system and, if installed, your remote controls are ready for use. Shutting down the heating system With frost protection monitoring For every heating circuit, select the...
  • Page 24 Start-up/shutdown Shutting down the heating system (cont.) Please note If outside temperatures of below 3 °C are expected, take appropriate measures to pro- tect the heating system from frost. If necessary, contact your heating contractor. Information on a prolonged shutdown ■...

  • Page 25: Setting The Standard Room Temperature For Central Heating

    Central heating Room temperature Further information can be found in chapter "Terminology" in the Ap- pendix. Setting the standard room temperature for central heating Factory setting: 20 °C For the preferred heating circuit For all heating circuits Standard menu Extended menu 1.

  • Page 26: Setting The Operating Program For Central Heating

    Central heating Operating program (cont.) Setting the operating program for central heating For the preferred heating circuit For all heating circuits Standard menu Extended menu 1. / for the operating program: "Heating and DHW" 2. "Heating" 2. OK 3. / for the required heating circuit if necessary 4.

  • Page 27: Setting The Heating Curve

    Central heating Heating curve (cont.) Setting the heating curve Factory setting: Heating curve ■ "Slope": 1.4 100 °C ■ "Level" of the heating curve: 0 81 °C 23 °C 68 °C 55 °C Extended menu: 41 °C Slope 2. "Heating" 3. / for the required heating circuit if Change with necessary 4.

  • Page 28: Setting "Party Mode" For Central Heating

    Central heating Comfort function "Party mode" Setting "Party mode" for central heating Extended menu Note The display of the set room temperature 2. "Heating" does not change. 3. / for the required heating circuit if necessary ■ The rooms are heated to the required 4.
  • Page 29 Central heating Comfort function "Party mode" (cont.) Cancelling "Party mode" ■ Automatically after 8 hours ■ Automatically when the system Note switches to standard heating mode in If you want to make changes to this, accordance with the time program contact your local heating contractor.
  • Page 30 Central heating Energy saving function "Holiday program" Setting the "Holiday program" for central heating Note The holiday program has the following The holiday program affects all heating effect: circuits. ■ Central heating: If you want to make changes to this, con- –...

  • Page 31: Dhw Temperature

    DHW heating DHW temperature Factory setting: 50 °C 3. "Set DHW temperature" 4. Set the required value. Extended menu 2. "DHW" Operating program Further information can be found in chapter "Terminology" in the Ap- pendix. Setting the operating program for DHW heating For the preferred heating circuit For all heating circuits Standard menu...

  • Page 32: Setting The Time Program For The Dhw Circulation Pump

    DHW heating Time program (cont.) This means that during operation with 3. "DHW time prog" standard room temperature (see 4. Set the required time phases. page 25), the DHW in the DHW cylinder Procedure for setting a time program, will be heated to the set DHW tempera- see page 19.

  • Page 33: Stopping Dhw Heating

    DHW heating Stopping DHW heating You do not want to heat DHW or pro- You do not want to heat DHW, but do vide central heating want to provide central heating For the preferred heating circuit Standard menu — 1. / for the operating program "Stand- by mode"...

  • Page 34: Setting The Display Brightness

    Further adjustments Setting the display contrast Extended menu 3. "Contrast" 4. Set the required contrast. 2. "Settings" Setting the display brightness If you would like the texts in the menu to 3. "Brightness" be more clearly legible, change the 4. "Control" or "Screen saver" brightness for "Control".

  • Page 35: Further Adjustments

    Further adjustments Naming heating circuits (cont.) The menu shows "Apartment" for "Heat- Heating circuit 2 ing circuit 2". Apartment Ù Ú Heating circuit 1 Party mode 22°C Economy mode ß Change with Set room temperature Set reduced room temp Select with Heating circuit 2 Apartment Adopted...

  • Page 36: Language Selection

    Further adjustments Setting the time and date The time and date are factory-set. If your 3. "Time / Date" heating system has been shut down for 4. Set the time and date. a prolonged period, you may need to reset the time and date. Extended menu 2.
  • Page 37 Further adjustments Restoring factory settings (cont.) System setting Settings and values that are reset "Heating circuit 1", "Heat- ■ Set room temperature: 20 °C ing circuit 2" or "Heating ■ Set reduced room temperature circuit 3" ■ Operating program ■ Set DHW temperature ■...
  • Page 38 Scanning Calling up information Subject to the components connected The flashing line on the graph indicates and settings made, you can call up cur- that the current day is not yet over. rent temperatures and operating condi- tions. Solar energy The extended menu splits the informa- tion into groups: ■...
  • Page 39 Scanning Calling up a service message If your heating system is due for a serv- 1. You can call up the reason for the service with OK. ice, the symbol flashes on the display and "Service" is shown. Service Burner 05500 h Service Acknowledge with...

  • Page 40: Calling Up Fault Messages

    Scanning Calling up a service message (cont.) Display in the extended menu Note If the service cannot be carried out until a later date, the service message is dis- Menu played again the following Monday. Service Calling up an acknowledged service Heating ë...
  • Page 41 Scanning Calling up fault messages (cont.) 1. You can call up the cause of the fault 3. Make a note of the cause of the fault with OK. and the fault code next to it on the right. In this example: "Outside t sens 18"...
  • Page 42 Scanning Calling up fault messages (cont.) Note ■ If you have connected signalling equipment to indicate fault mes- sages (e.g. a buzzer), this is deac- tivated when the fault message is acknowledged. ■ If the fault cannot be fixed until later, the fault message will reappear at 7:00 h the following day.

  • Page 43: Emissions Test Mode

    Emissions test mode Emissions test mode Emissions test mode for testing flue gas Note with briefly raised boiler water tempera- The flue gas inspector can also activate ture. emissions test mode if the controls are Emissions test mode should only be acti- locked out by your heating contractor.
  • Page 44 Emissions test mode Emissions test mode (cont.) Ending emissions test mode ■ Automatically after 30 minutes ■ Press OK.

  • Page 45: Rooms Are Too Cold

    What to do if... Rooms are too cold Cause Remedy The heating system is switched off. ■ Turn on the ON/OFF switch (see dia- grams from page 22). ■ Switch on the mains isolator if installed (outside the boiler room). ■...

  • Page 46: Rooms Are Too Hot

    What to do if... Rooms are too cold (cont.) Cause Remedy "Combustion controller" is displayed. Press R (see page 22). Acknowledge the fault (see page 41). Danger If faults are not rectified, they can have life threatening consequen- ces. Do not acknowledge fault mes- sages several times in quick suc- cession.

  • Page 47: There Is No Hot Water

    What to do if... There is no hot water Cause Remedy The heating system is off. ■ Turn on the ON/OFF switch (see dia- grams from page 22). ■ Switch on the mains isolator if installed (outside the boiler room). ■...
  • Page 48 What to do if... ã flashes and "Fault" is displayed Cause Remedy Heating system fault Proceed as described on page 40. ë flashes and "Service" is displayed Cause Remedy The time for a service, as specified by Proceed as described on page 39. your heating contractor, has arrived.

  • Page 49: Repair Work

    Repair work Cleaning All equipment can be cleaned with a commercially available domestic clean- ing agent (non-scouring). Clean the sur- face of the programming unit with the microfibre cloth provided. Inspection and maintenance The inspection and maintenance of a Regular maintenance ensures trouble- heating system is prescribed by the free, energy efficient, environmentally Energy Saving Ordinance [EnEV - Ger-...

  • Page 50: Safety Valve (Dhw Cylinder)

    ■ On back flushing filters, back flush every two months. Damaged connecting cables If connecting cables of the appliance or externally installed accessories are damaged, replace them with special connecting cables. Replace only with Viessmann cables. Notify your heating contractor accordingly.

  • Page 51: Fuel Oil Quality

    Combustion improvers are additives for Please note optimising fuel oil combustion. Combustion improvers can cre- Viessmann oil burners do not require ate residues and impair the safe combustion improvers, as these burners operation of your heating sys- operate with clean and efficient combus- tem.
  • Page 52 Ordering fuel oil Biofuels (cont.) With boilers built in or after 2012, up to 10 % added bio-compo- nents (FAME) are generally allowed. Fuel oil must comply with DIN 51603-6-EL A Bio 10. If in doubt refer to your local heating con- tractor.
  • Page 53 Appendix Overview of extended menu...
  • Page 54 Appendix Calling up options under "Information" Note Heating circuit 1 (HC1) Subject to the features of your heating "Heating program" system, not all of the information listed ■ "External hook-up" here may be available to call up. ■ "Holiday program" You can call up more details where infor- ■...
  • Page 55 Appendix Calling up options under "Information" (cont.) Heating circuit 2, 3 (HC2, HC3) "Heating program" "DHW time prog" ■ "External hook-up" "DHW circ time prog" ■ "Holiday program" "DHW temperature" ■ "External program" "Cylinder prim pump" ■ "Party mode" "DHW circ pump" ■...
  • Page 56 Appendix Terminology (cont.) Note Underfloor heating No operating program is available for central heating without DHW heating. Underfloor heating systems are slow, When you want central heating, hot low temperature heating systems and water is generally also required (winter only respond very slowly to short term mode).
  • Page 57 Appendix Terminology (cont.) The room temperature is captured and In order to guarantee sufficient heat and transmitted to the control unit by a sen- minimum fuel consumption at any out- sor. The sensor is fitted in the room. side temperature, the conditions of your The flow temperature is regulated inde- building and your heating system must pendently of the outside temperature.
  • Page 58 Appendix Terminology (cont.) Slope Outside temperature in °C Example: For outside temperature −14 °C: A Underfloor heating system, slope 0.2 to 0.8 B Low temperature heating system, slope 0.8 to 1.6 C Heating system with a boiler water temperature in excess of 75 °C, slope 1.6 to 2.0...
  • Page 59 Appendix Terminology (cont.) Factory settings: Slope = 1.4 and level Mixer = 0. Hot heating water from the boiler is mixed with cooled heating water from the heating circuit. The heating water, brought to the right temperature as required, is pumped to the heating circuit by the heating circuit pump.
  • Page 60 Appendix Terminology (cont.) Safety valve Weather-compensated mode A safety device that must be installed by See "Heating mode" your heating contractor in the cold water pipe. The safety valve opens automati- Time program cally to prevent excess pressure in the DHW cylinder.
  • Page 61 Keyword index Keyword index Actual temperature, calling up...38 Date, setting........36 Additives for fuel oil......51 Day temperature (standard room tem- Appliance, starting......22 perature)..........14 Daytime temperature (standard room temperature)........9 Balanced flue operation.....59 DHW circulation pump.......60 Biofuels..........51 ■ Energy saving.........10 Brightness, setting......34 ■ Time phases........32 ■...
  • Page 62 Keyword index Keyword index (cont.) Fault message........13 ■ Acknowledging.......40 Information, calling up......38 ■ Calling up........40 Inspection...........49 ■ Calling up (acknowledged).....42 Filter ■ Drinking water.........60 Keys...........12 Frost protection monitoring..9, 23, 27 Fuel oil ■ Additives.........51 Language selection......36 ■ Ordering..........51 Level of heating curve....26, 57 ■...
  • Page 63 Keyword index Keyword index (cont.) Operating program Restoring factory settings....36 ■ Central heating, DHW.....18 Room temperature ■ DHW only........60 ■ Energy saving.........10 ■ Energy saving.........10 ■ For reduced heating mode.....25 ■ Frost protection.......18 ■ Preferred heating circuit....14 ■ Setting, central heating....26 ■...
  • Page 64 Keyword index Keyword index (cont.) Stopping Time program ■ Central heating.......27 ■ Central heating.......26 ■ DHW heating........33 ■ Comfort...........11 ■ Heating system with frost protection ■ DHW circulation pump....32 monitoring........23 ■ DHW heating........31 ■ Heating system without frost protec- ■ Energy saving.........10 tion monitoring........23 ■...

  • Page 68: Your Contact

    Contact your local contractor if you have any questions regarding the maintenance and repair of your system. You may, for example, find local contractors on the internet under www.viessmann.com. Viessmann Werke GmbH&Co KG Viessmann Limited D-35107 Allendorf Hortonwood 30, Telford...

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