Climate Solutions Community

PavelRadkovsky · ‎25.03.2024

I am not happy at all to hear that ViGuide should be shut down for me as a heat pump owner. Please why? What is the logic behind this? For a start, I would miss the following: full web browser access hot water hysteresis setting flow rate monitoring full event log ... and I would love to see: full remote firmware update via the app ViCare+ for other regions then Germany (in my case Czech Rep.) more diagnostic tools Pavel

PavelRadkovsky · ‎26.12.2023

Hello, you can set the hot water hysteresis via the ViGuide web page in the hot water settings (see the picture below). You can log in to the ViGuide web page at https://viguide.viessmann.com/installations using your ViCare app login details. Hope this helps.

PavelRadkovsky · ‎25.12.2023

What is your current outside temperature in the place you live? In my hometown we have now 11°C and the compressor of my Vitocal 222-S E.06 is clocking too.This is considered normal in such weather conditions. In other words, it is best to do any adjustments to the system when the temperatures are lower. With temperatures around 10°C most heat pumps are likely to do frequent compressor starts.

PavelRadkovsky · ‎03.12.2023

Hello Phillip, I got my Vitocal 222-S E.06 updated just last week and a Viessmann technician had to visit our house. In other words, I had a service appointment scheduled and during the service, I also asked the guy to update the SW of the heat pump. Best regards, Pavel

PavelRadkovsky · ‎03.12.2023

Hello, please is there a way to check that the resistance wire in the outdoor unit is working as it should? We had heavy snowing yesterday here and some of the snow and ice gathered at the back of the outdoor unit (please see the pictures). It is just a small amount at the bottom of the evaporator at the back of the outdoor unit. From the front side all is OK and there is no snow or ice at the bottom there. Hopefully, it will not damage the unit or affect its performance. Any comments are welcomed. Best regards, Pavel Vitocal 222-S E.06

PavelRadkovsky · ‎03.12.2023

For me (i.e. 92 m2, 4 people, house heat loss 5kW), it is 22-25 kWh/day.

PavelRadkovsky · ‎03.12.2023

... I forgot to mention in my previous post that it still takes more than 20 minutes for the system to get back to normal heating operation after the de-icing process (see the graph below - again, you can identify the de-icing process by the sharp decrease of the temperature in the graph). When de-icing is taking place the flow rate is pumped up to almost to 2500 l/h and after that it is modulated back to my standard 1600 l/h. It is this modulation of the valve that takes those 20-30 minutes and the proper heating only takes place when the flow rates is around 1600l/h.

PavelRadkovsky · ‎03.12.2023

I had an identical problem with my Vitocal 222-S E.06 - i.e. the de-icing took place every hour and the heat pump returned to a normal heating operation after the de-cing process only in around 25-30 minutes. As a result, there was no time for our house to get properly heated. This happened at temperatures around 0°C. At the subzero temperatures the de-icing interval was a bit longer (1,5 to 2 hours) due to lower humidity. But still too frequent. What seems to help in my case was to switch off the noise reduction mode for the outdoor unit (I was running the heat pump in the super silent mode all the time). You can clearly see this in the below picture. The end of November (the left part of the picture) there the de-icing took palce every hour. Then on November 30th, 2023 in the morning, I switched off the noise reduction mode and since then, the de-icing is less frequent (now the average time is 3 to 4 hours). Still not perfect but much better. As a result I get around 16 compressor starts per day instead of more than 30 starts. The picture shows the heating water and return water temperatures and you can identify the de-icing process by the sharp decrease of the temperature in the graph. Also please note that after I switched off the noise reduction mode, the heating water temperatures always go a few degrees °C lower than when running in the super silent mode. I am still trying to interpret this but it seems to me that now (in the full operating mode) the de-icing is more effective and the system is able to take more heat from the system. Therefore the de-icing process is more thorough. It would be great if any one could comment on this.

PavelRadkovsky · ‎02.12.2023

You have an old software in your heat pump. Therefore, you cannot see the configuration and other options in the servis menu. The current versions are: Master HPMU: 20.510.2323.206 EHCU: 40.510.2323.121 VCMU: 59.502.2302.10 HMI: 71.510.2323.2

PavelRadkovsky · ‎02.12.2023

As for the de-icing, I do not think it can be reduced. My experience is that the de-icing process is not so effective while the heat pump is in the super silent mode. At the end of November, I was always running the heat pump in the super silent mode and the de-icing took place almost every hour. I switched the heat pump to standard mode and now the de-icing takes place every 3-4 hours. In this way, the compressor starts are less often. This is what I observed in the last couple of days when the weather started to be colder. But I am still learning how the heat pump behaves in different conditions. Pavel

PavelRadkovsky · ‎01.12.2023

Hello Rene, with my Vitocal 222-S AWBT-M-E-AC 221. E.06, each de-icing cycle requires 2 compressor starts. You can clearly see it in the screenshot below from this morning. Three de-icing cycles took place during that time. Regs., Pavel

PavelRadkovsky · ‎28.11.2023

The same problem here. Viessmann servers must be down. Pity that Viessmann server status is not indicated at https://downdetector.com/.

PavelRadkovsky · ‎23.11.2023

OK, vielen dank. Ich bin nur neugierig: befindet sich der IRT-Sensor im innen- oder im außengerät? Gibt es eine fehlermeldung in Ihrem fernüberwachungssystem? Bis jetzt funktioniert die wärmepumpe einwandfrei und die fehlermeldung ist nicht mehr aufgetreten. Nochmals vielen dank. Pavel

PavelRadkovsky · ‎22.11.2023

Hallo Florian, vielen dank für deine antwort. Nach dem neustart (heute mittag) ist der fehler verschwunden. Nun scheint soweit alles in ordnung zu sein. Die seriennummer lautet 7720682201007123. Vielen dank, Pavel

PavelRadkovsky · ‎22.11.2023

Hallo zusammen, unsere Wärmepumpe Vitocal 222-S E.06 hat gerade den Fehler F.1019 angezeigt. Im Viessmann-Diagnosedokument wird dieser Fehler eindeutig als Ursache für das EHCU-Modul. Wir haben das Außengerät neu gestartet und der Fehler ist verschwunden. Wie wahrscheinlich ist es, dass der Fehler erneut auftritt? Sollen wir unseren Viessmann Servicetechniker bitten, die EHCU-Platine bei seinem Besuch (geplant für Montag, den 27. November, wegen eines anderen Problems mit der Wärmepumpe) auszutauschen? Ich danke Ihnen, Pavel Hello everyone, our heat pump Vitocal 222-S E.06 just showed the F.1019 error. In the Viessmann diagnosis document, this error is clearly descrbed to be caused by the EHCU module. We restarted the outdoor unit and the error disappeared. Please how likely is it for the error to appear again? Should we ask our Viessmann service technicican to replace the EHCU board during his visit (scheduled for Monday 27th November because of a different issue with the heat pump)? Thank you, Pavel @Flo_Schneider

PavelRadkovsky · ‎21.11.2023

Hello there, today since midnight, both the ViGuide web and the Viessmann API shows incorrect values for energy consumption. It is the entity "vicare_energy_consumption_today" that is not correct (+50 kWh). In the ViCare app, all seems to be correct. Screenshots are attached. Are you having this issue too? Pavel

PavelRadkovsky · ‎19.11.2023

Unfortunately, still not fixed.

PavelRadkovsky · ‎19.11.2023

Just to let everyone know, the ViGuide web page interface is somewhat broken. The values are there but the page design is off the usual standard and some menu cannot be accessed. Tested with various browsers and connections. The ViCare app seems to be not affected by this. Hope it will be fixed soon. Pavel

PavelRadkovsky · ‎15.11.2023

Now both ViCare and ViGuide web are working OK. All back to normal operation (hopefully :-)...).

PavelRadkovsky · ‎15.11.2023

Yes, I can confirm this as well. I have the same problem. The ViCare application nor the ViGuide web are not currently working for me. The last data I received from my heat pump into my Home Assistant system was at 11:15. So the outage must have happened around this time. I cannot log in into the ViCare app nor the ViGuide web. The app freezes and does not start at all, the ViGuide web just does not show any system to look at. Regs., Pavel

PavelRadkovsky · ‎13.11.2023

Nun, heute ist es auch mir passiert, denn unser örtlicher Stromversorger hat unseren Stromzähler ausgetauscht und vorher mussten wir den Strom für etwa 15-30 Minuten abschalten. Das ist ärgerlich. Flo_Schneider, bitte wann wird das FW-Update verfügbar sein? Vielen Dank! Pavel Well, today it happend to me as well as our local electricity distrubutor changed our electricity meter and prior to this we had to shut down the power for some 15-30 minutes. This is annoying. Flo_Schneider, please when the FW update will be available? Thanks, Pavel

PavelRadkovsky · ‎12.11.2023

I have the same problem with my Vitocal 222-S E.06 2C heat pump. Currently (immediately after the temperature got below 3°C), the defrost procedure is running every 60-70 minutes and I am not able to heat up our house. How come? This is very strange.

PavelRadkovsky · ‎05.11.2023

I3lacIe, please how did you manage to lower the circulator pump from 85 to 50 on your heat pump? I am curious to know. I have the Vitocal 222-S E.06 2C. Thank you.

PavelRadkovsky · ‎05.11.2023

Dear all, we had the Vitocal 222-S E.06 2C heat pump installed a few weeks ago and after the heating season started we found out that one of the wall radiators at our home is not heating properly. It is the one that is the most far away from the heat pump on the second floor. All the other radiators on the same floor are working fine as well as the floor heating (downstairs). The radiator valve on this problematic radiator is always fully open, the heat pipe going in is warm, some parts (around half) of the radiator is also warm but the return pipe from the radiator is always cold. We also made sure that there is no air in the radiator that could cause similar problems. It is completely new and it is this particular type with pipes connection in the middle: https://www.korado.com/radik-line-vkm8 Our heating system is rather small (floor heating downstairs), 4 wall radiators upstairs. Total water volume is 120 litres. The distance from the heat pump to that problematic radiator is around 15-17 meters (incl. one floor around 3m in hight) One of the possibility that I would like to eliminate is that it is caused by the insufficient flow of warm water of one of the two Grundfos circulation pumps. Since their speed can be set by the PWM signal, I would like to increase it but I do not know how. Please can anyone help? Also I would like to know what is the default setting for the pump speed it is currently set on. Thank you, Pavel

PavelRadkovsky · ‎28.10.2023

It is the same case with my system. Very confusing.

PavelRadkovsky · ‎22.10.2023

Hello Gerhard, see the ViBooks here https://vibooks.viessmann.com/de/de

PavelRadkovsky · ‎27.08.2023

@MNickel please where can I check the software version in the Vitocal 222-S E-series? I am not able to find it in the menu. In the general information I can see the serial number, the OEM product version, but not the SW version. Thanks for help. Best regards, Pavel

PavelRadkovsky · ‎14.02.2023

Hello there, I would like to learn more about the way how the E380 meter will be connected to my system with Vitocal 222-S E.06 2C and PV (Growatt invertor with 10,24 kWh battery, Eastron meter, 5,4 kWp panels), both are about to be installed in March. My house as well as the PV is three-phase and the Vitocal 222-S E.06 2C heat pump is one-phase. Now the questions: - will both the Eastron (PV metering) and E380 (heat pump metering) units be connected using all three phases as shown in my picture below? - even if both meters are installed at the same time during the PV system installation, the E380 will not block any of the other devices (or even electricity) in any way if it is not connected via the CAN bus to the heat pump (it might be installed a few weeks later). It is just a meter so it cannot block anything, right? - will the E380 meter be connected via the CAN bus to the PV invertor (modbus) in any way or just the heat pump? Thank you for sharing more light on this for me. Pavel

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