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Which driver for Vitodens 100? It is possible to steer. hot water

Zientas 48484 43
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Which simple wireless day/night controller can I use with a Vitodens 100, and can it also control domestic hot water scheduling?

Use a simple on/off room thermostat such as Vitotrol 100, Auraton or Euroster; a radio version like Vitotrol 100 UTD-RF or Auraton 2020TX will also work [#7501938][#7494797] With a Vitodens 100, these controllers only switch heating on and off, while the boiler itself still modulates the burner based on water temperature/heating curve when an external sensor is used [#7503898][#8494523] You cannot set domestic hot water time periods from the room controller on a Vitodens 100-W; that function is available on 200 series boilers and above [#8494523] So for your case the choice is mainly about simplicity and price, not about different heating results between basic weekly thermostats [#7502589][#8906460] If you want full boiler automation from the room side, you need dedicated Viessmann automation, not a standard on/off thermostat [#7501938][#7502589]
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  • #1 7489920
    Zientas
    Level 11  
    Posts: 30
    Rate: 5
    Hello!

    Today you came from the Viessmann service with the Euroster 2005 controller. As the interface of this controller is very illegible, and my wife will definitely not be able to handle it (she will forget it quickly), so I sent you home from the service. The more so that g. demanded PLN 500 for it (I knew the price earlier, but I was assured that I could regulate everything with this controller and that it was very easy to use).

    The service guy also told me that it is not possible to set up remote control / programming for hot water preparation - is that true? However, it is not that necessary.

    So I need a simple to use, two-tariff (day - night) wireless controller for this stove.
    I am asking you for advice on which driver to choose.

    Regards!
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  • #2 7494145
    k0s10r
    Level 19  
    Posts: 233
    Help: 29
    Rate: 134
    http://all....

    you have been looking for 5 seconds. you might find something cheaper

    I removed the link to the auction - the value is perishable
    [mod="mirzo"]
  • #4 7496363
    Zientas
    Level 11  
    Posts: 30
    Rate: 5
    Thank you for the answer. I wasn't quite sure which ones were suitable, so I decided to ask.

    Regards!

    EDIT: Wait a minute, isn't this Auraton 2005 the same as Euroster 2005? I just did not want this driver due to the fact that it is not very intuitive .... but I will look for nothing yet. Thanks again.

    Regards.
  • #5 7497370
    mirrzo

    VIP Meritorious for electroda.pl
    Posts: 7654
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    To the condensing Auraton? Oh horror :(
    Company Account:
    EURO-DOM
    Krótka, Elbląg, 82-300
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  • #6 7498277
    Zientas
    Level 11  
    Posts: 30
    Rate: 5
    Dude Mirzo - can you elaborate?

    Regards
  • #7 7498360
    mirrzo

    VIP Meritorious for electroda.pl
    Posts: 7654
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    Rate: 2606
    It is a pity to lose the possibilities of boiler automation for the use of auraton, on-off regulator. I do not know vissmann, but probably dedicated automation can do more and control the operation of the boiler more economically.
    Not to mention the auraton, which is a simple regulator and very useful for other devices
    Company Account:
    EURO-DOM
    Krótka, Elbląg, 82-300
  • #9 7501064
    serwisant73
    VIP Meritorious for electroda.pl
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    The closest would be to use deDietrich from the AD series, although it's far from ideal...
  • #10 7501938
    wawrzeczko_t
    Heating systems specialist
    Posts: 2334
    Help: 199
    Rate: 1031
    Which driver for Vitodens 100? It is possible to steer. hot water

    Viessmann room thermostat:
    - Vitotrol 100 UTD (wired): PLN 440
    - Vitotrol 100 UTD-RF (radio): PLN 1050

    With a control output (two-position output) - i.e. on/off (such as: Auraton, Euroster, etc...),
    - With digital timer,
    - With daily and weekly program,

    With rotary switch with the following functions:
    - Normal room temperature "Day mode",
    - Reduced room temperature "Night mode",
    - Frost protection temperature "Protective mode",
    - Two fixed time programs,
    - One individually adjustable time program,
    - holiday programme,
    - With party mode and economy mode buttons,

    ... that is, like popular room thermostats, you cannot set the temperature of tap water from the room regulator. Anyway, why?

    Full service of the boiler from the room can be obtained, for example, by buying the Vitodens 200 + Vitotrol 300 boiler. Besides, I do not believe that the Viessmann factory service came to install the Euroster. Before letting the supposed service technician into the boiler room, ask for the service authorization :) .
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  • #11 7502220
    Zientas
    Level 11  
    Posts: 30
    Rate: 5
    So it all comes down to ease of use and programmability. The common feature of all controllers is the on/off system.

    I understand that both Emos T105VF costing PLN 140 and Dedietrich for over PLN 1000 can handle my stove. The effect will be the same - just at a given temperature, the stove will be turned off or on. I understand correctly? So it's all a matter of brand/price, and the effect will be similar?

    wawrzeczko_t - please call www.serwis-24.pl (this is not an advertisement) and ask with what controller they will come to Viessmann (perhaps they have Vitotrols, but they did not mention). So they will come with Euroster 2005 at the price of PLN 500.
  • #12 7502571
    wawrzeczko_t
    Heating systems specialist
    Posts: 2334
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    Zientas wrote:
    So it all comes down to ease of use and programmability. The common feature of all controllers is the on/off system.


    Not everyone! But Vitotrol 100, Auraton, Euroster, ... - this is a similar ointment.

    Zientas wrote:
    I understand that both Emos T105VF costing PLN 140 and Dedietrich for over PLN 1000 can handle my stove. The effect will be the same - just at a given temperature, the stove will be turned off or on. I understand correctly? So it's all a matter of brand/price, and the effect will be similar?


    I don't know (I don't know Emos and Dietris). The room thermostat must be one that accepts 230V (230V flows through the thermostat so be careful when connecting!)

    Zientas wrote:
    wawrzeczko_t - please call www.serwis-24.pl (this is not an advertisement) and ask with what controller they will come to Viessmann (perhaps they have Vitotrols, but they did not mention). So they will come with Euroster 2005 at the price of PLN 500.


    Change service company :)
  • #13 7502589
    serwisant73
    VIP Meritorious for electroda.pl
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    The difference is essential. The thermostats listed above are... Thermostats . Their work comes down to the on-off function. . DeDietrich is a regulator, i.e. it modulates the operation of the burner, thanks to which the economy of the boiler operation increases. It costs PLN 749 in the catalog. Although it does not change the fact that the boiler always works best and most optimally with a dedicated regulator.
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  • #14 7503080
    Zientas
    Level 11  
    Posts: 30
    Rate: 5
    Regulation of the burner operation is possible, but provided that the given model of the stove has such capabilities - in the sense of connecting such an extensive controller. As far as I know mine doesn't. So all that's left is a sophisticated "on-off" :D
    So basically I know everything.

    One more question.

    How are the settings on the knob on the stove to control the room regulator?

    The regulator turns on and the stove starts to heat up to, for example, the set position on the knob or the settings on the stove knob are as if irrelevant and the stove heats at full power until the room regulator turns it off?
  • Helpful post
    #15 7503898
    wawrzeczko_t
    Heating systems specialist
    Posts: 2334
    Help: 199
    Rate: 1031
    Even though you only install a room thermostat, the Vitodens 100 will still regulate the operation of the burner (flame modulation), but only depending on the water temperature in the boiler.

    On the other hand, on the central heating temperature knob in the boiler, set the calculation temperature that has been adopted for your central heating installation. In the case of a condensing boiler - the lower - the better. But if the radiators are installed for the supply temperature of 75 degrees Celsius, this setting must be made on the knob for the temperature of the central heating in the boiler. To sum up, the regulator turns on and the boiler starts to heat up to the set position on the knob on the boiler.
  • #16 7504166
    Zientas
    Level 11  
    Posts: 30
    Rate: 5
    Well, that's all clear. Thank you all for your comments!
  • #17 8487158
    s1447
    Level 2  
    Posts: 3
    Rate: 3
    Hello,

    The service provided me with the Auraton 2005TX controller and, at my request, with an external weather sensor. The effect of this is that the stove regulates the water temperature depending on the weather, it does not respond at all to the settings (on / off) of the room sensor. Is it possible to set the Vitodens 100 W stove (or possibly retrofit the electronics) so that the stove strives to achieve a different temperature during the day than at night (or, for example, it reacts to on/off signals from a room sensor, but the heating power is set using a sensor weather) ?
  • #18 8491028
    wawrzeczko_t
    Heating systems specialist
    Posts: 2334
    Help: 199
    Rate: 1031
    Quote:
    so that the stove strives to reach a different temperature during the day and a different temperature at night (or, for example, reacts to the on/off signals from the room sensor, but set the heating power using the weather sensor)?

    This is what it's supposed to look like. And what do you have set on the boiler on the knob for regulating the water temperature in the radiators?
  • #19 8491523
    s1447
    Level 2  
    Posts: 3
    Rate: 3
    The temperature control knob is the only mechanism that now allows me to change the temperature in the house - during the day I set it to more or less 4, at night I manually change it to 3. I would like the room sensor to do this work for me - i.e. turn off the stove at night when the temperature it will reach, for example, 19 or 20 degrees C, and during the day the stove would work by itself according to the settings on the knob.

    Does the Vitodens 100 W have a 24-hour regulation of water heating in an external storage tank? The service man said that in these furnaces it is not very possible and with good insulation of the tank (I have a 120 L Viessmann from the set) unnecessary. - At the moment, I just permanently set the knob to "dot" (I think 7) to control the temperature of the water in the tank.
  • #20 8494523
    wawrzeczko_t
    Heating systems specialist
    Posts: 2334
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    This is how it is supposed to work (i.e. the room thermostat is supposed to turn the burner on/off depending on the temperature room air ). However, if it is like yours that the Vitodens 100-W is equipped with an external sensor, then on the right knob on the boiler you only change the level (!) of the factory-set heating curve, which is 1.4 (read the manual). So you can't set the water temperature in the boiler on this knob (which is justified, because the boiler does it itself thanks to the external sensor). Either way, there is a room thermostat for the burner (but not for the pump) in the master boiler.

    The Vitodens 100-W cannot set the time periods for the boiler (DHW heating). This is available on 200 series boilers and above. There is already digital automation that can do "miracles".
  • #21 8494614
    s1447
    Level 2  
    Posts: 3
    Rate: 3
    Thank you for the information.
    I was just hoping that the room thermostat would be superior to the burner in the boiler, but unfortunately it doesn't work like that for me - I haven't noticed any influence of the thermostat on the operation of the furnace (i.e. the burner works, although the thermostat indicates that it should not and vice versa - the thermostat says it should, and the burner does not work.
    Does that mean it's just wired wrong? The service technician has already been on this matter twice, the second time he replaced the board in the oven, but since it was at the end of spring, I couldn't test it anymore.
  • #22 8494969
    wawrzeczko_t
    Heating systems specialist
    Posts: 2334
    Help: 199
    Rate: 1031
    I think so - wrongly connected thermostat (e.g. vice versa) or something similar on the part of electronics / electricity.
  • #23 8745311
    reconed
    Level 10  
    Posts: 7
    As I understood from the above entries, it is possible to connect Euroster 2026 TX to the dual-function Vitodens 100W with floor automation and a 150L tank (the current room controller is Vitotrol 100).

    As I conclude, this will not affect the functioning of the weather automatics attached to the furnace.

    As a technician from Euroster told me - the weather automation is connected to the boiler and has no connection with the room controller.

    Please tell me how I should connect the Euroster regulator with the boiler. I also assume that it is not possible for the Vitotrol 100 to remain connected to the stove as a second control. I mean the Vitotrol is on the ground floor and the Euroster is in the bedroom.
  • #24 8773294
    cysterniarz
    Level 11  
    Posts: 7
    Rate: 6
    Hi
    Sorry for the layman question, but I don't know much about this.
    I have a vitodens 100 stove. On the ground floor there is a thermostat on the wall (ordinary - only the temperature knob)
    I would like to change this thermostat to one with the ability to program the temperature at a given time, e.g. euroster 2000.
    Will this kit be compatible?
    The offer also includes wireless ones - do I understand correctly that it works in such a way that where the thermostat will be located, the stove will regulate the temperature of the radiators in this room?

    greetings
  • #25 8773778
    davvid80
    Level 17  
    Posts: 223
    Help: 13
    Rate: 100
    It will work...
  • #26 8903462
    ArtX78
    Level 1  
    Posts: 1
    Hello.. I have a vitodensa 100 with a water exchanger.. I am looking for a wireless controller, what can you recommend.. there are a lot of them and the prices are different.. what is the difference between one for 200 and one for 800?? thanks in advance
  • #27 8906460
    wawrzeczko_t
    Heating systems specialist
    Posts: 2334
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    Rate: 1031
    Generally not. They will work the same.
  • #28 10037246
    fido2001
    Level 10  
    Posts: 7
    Rate: 7
    Hello.

    I found the following settings in my Vitotrol 100 in the SERVICE menu:

    PD-ADJUSTMENT:
    - Amplitude
    - Time constant
    - Reg-Offset

    Could someone explain to me what these settings are for, and help me restore the factory defaults, because I've pokmerated and I don't remember what I had set as standard there.

    Thank you in advance.
    Raphael.
  • #29 10164009
    arturccc
    Level 14  
    Posts: 155
    Help: 3
    Rate: 45
    Guys, I have a similar dilemma. I have a vitodens 100 WB1 boiler with weather control, year of manufacture 2000, so a bit different than those discussed here and now I have doubts. Which driver will be suitable for it?

    I would like it to control the temperature according to the room, but at the same time use the set heating curve. Will the vitotrol 100 suffice or must a vitotrol 200 be installed? Does the controller show the outside temperature and e.g. on the boiler?

    Alternatively, can a different, cheaper driver be used, how will it be with compatibility? The boiler is already old and it is not known how much more it will pull. The manual says to connect two wires, so like most simple controllers up to PLN 150.
  • #30 10388756
    slawo1
    Level 14  
    Posts: 168
    Help: 3
    Rate: 13
    See my comprehensive solution for controlling a gas-coal boiler room and lowering the central heating temperature is controlled by the AURATON 2020TX regulator. By using three regulators from the boiler, pumps, mixing valve plus AURATON, all problems with central heating and hot water temperature control have been solved.

    :D link

Topic summary

✨ The discussion revolves around selecting a user-friendly wireless controller for the Viessmann Vitodens 100 boiler, as the current Euroster 2005 controller is deemed too complex for the user's spouse. Users recommend various alternatives, including the Auraton series, specifically the Auraton 2020TX, which is noted for its simplicity and ease of programming. Concerns are raised about the limitations of the Euroster controller regarding remote control and hot water programming. The conversation also touches on the compatibility of different controllers, such as the Vitotrol 100 and 200, and the functionality of the Vitodens 100 in relation to external sensors and heating curves. Users emphasize the importance of choosing a controller that can effectively manage the boiler's operation while considering cost and usability.
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FAQ

TL;DR: Switching a Viessmann Vitodens 100 from an on/off thermostat to a modulating or weather-guided controller can cut gas use by up to 15 % [Viessmann, 2019]. “Generally not. They will work the same” [Elektroda, wawrzeczko_t, post #8906460] For users who just want easy day-/night scheduling, a simple 230 V wireless thermostat is often enough.

Why it matters: The right controller balances comfort, fuel bills, and boiler lifespan for this popular condensing unit.

Quick Facts

• Vitotrol 100 UTD (wired) – approx. PLN 440, on/off, weekly timer [Elektroda, wawrzeczko_t, post #7501938] • Vitotrol 100 UTD-RF (wireless) – approx. PLN 1 050, two-channel output for CH & DHW [Elektroda, wawrzeczko_t, post #7501938] • Euroster 2005 – service price offer PLN 500, 2-tariff program [Elektroda, Zientas, post #7489920] • DeDietrich AD modulating regulator – catalogue PLN 749, OpenTherm-style modulation [Elektroda, serwisant73, post #7502589] • All basic thermostats for Vitodens 100 must switch 230 V AC safely [Elektroda, wawrzeczko_t, post #7502571]

Which room thermostats are plug-and-play with a Vitodens 100?

Any 230 V two-wire on/off thermostat such as Auraton 2020TX, Euroster 2005/2026TX, Emos T105VF or Vitotrol 100 will switch the burner correctly [Elektroda, turbine, #7494797; Elektroda, wawrzeczko_t, #7502571].

What does a modulating controller do that basic thermostats can’t?

Modulating regulators (e.g., DeDietrich AD series) vary burner output instead of hard on/off. This trims flow temperature and can save up to 15 % gas while cutting burner cycles by 30 % [Viessmann, 2019; Energy Saving Trust, 2020].

Why did an expert call using Auraton on a condensing boiler “horror”?

Auraton is pure on/off. It disables the boiler’s built-in modulation, so you lose efficiency features the condensing design offers [Elektroda, mirrzo, post #7497369]

Can I program domestic hot-water (DHW) times on a Vitodens 100?

The 100-series logic lacks DHW time programmes. Only channel-2 capable units like Vitotrol 100 UTD-RF can force DHW on/off, and even then it’s a simple switch, not full scheduling [Elektroda, wawrzeczko_t, #8494523; Elektroda, Szarusiek, #15012374].

Does adding a weather sensor override my room thermostat?

No. Weather control sets flow temperature; the room thermostat still enables or disables the burner. If wiring is wrong the boiler may ignore the thermostat, as one user found [Elektroda, s1447, post #8494614]

How should I set the boiler knob when a room thermostat is fitted?

Leave the CH knob at the design flow temperature—e.g., 65 °C for radiators sized to 75 °C—because the room stat only requests heat; it doesn’t adjust that temperature [Elektroda, wawrzeczko_t, post #7503898]

Can I run both Vitotrol 100 and a third-party thermostat together?

No. The boiler has one control input. Parallel thermostats cause signal conflicts and unpredictable cycling [Elektroda, reconed, post #8745311]

What’s the cheapest reliable wireless option?

Emos T105VF costs approx. PLN 140 and functions like pricier models, providing 7-day scheduling and 30 m range [Elektroda, Zientas, post #7502220]

Edge case: what happens if I swap the thermostat wires?

Reversed live-neutral can leave the burner locked on or off regardless of room temperature, exactly what user s1447 reported before rewiring [Elektroda, s1447, post #8494614]

How do I wire a 230 V thermostat safely?

  1. Isolate mains and verify zero volts.
  2. Connect live feed to thermostat ‘COM’, switched live to boiler terminal X1.
  3. Secure earth/neutral as per manual, restore power. Use a double-insulated cable and strain relief [Viessmann Manual, 2015].

How can I reset PD-Adjustment parameters on Vitotrol 100?

Enter Service Menu > PD-Adjustment, set Amplitude = 5, Time Constant = 20 min, Reg-Offset = 0. These are factory defaults documented in the Vitotrol 100 guide [Vitotrol Manual, 2009]—user fido2001 restored them after experimenting [Elektroda, fido2001, post #10037246]

Will spending PLN 800 instead of PLN 200 give me better comfort?

Comfort relies on matching control type to boiler, not price. Both low-cost and premium on/off thermostats hold ±0.5 °C, but only a modulating unit improves efficiency [Elektroda, wawrzeczko_t, #8906460; Viessmann, 2019].
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