I don't know about your specific boiler but I can tell you about our situation.
I have a vitodens 200-w which is not opentherm compatible, as far as I know. The viessmann thermostat installed in our home uses kmbus to communicate with the boiler.
The boiler does have a on/off contact but using this ...
Search found 3 matches
- Tue Oct 11, 2022 3:51 pm
- Forum: Honeywell Home evohome
- Topic: OpenTherm or not with Viessmann? BD91 or R8810?
- Replies: 7
- Views: 687
- Tue Oct 11, 2022 3:43 pm
- Forum: Honeywell Home evohome
- Topic: Heat demand / flame icons and % in EvoTouch controller
- Replies: 3
- Views: 232
Re: Heat demand / flame icons and % in EvoTouch controller
interesting! I've never seen this on my controller.
Does Honewell push updates to existing setups? Do you know how functionality suddenly appears?
update: after contacting resideo and giving the mac of my controller, they have now pushed the update as well. Now I can finally see what is happening ...
Does Honewell push updates to existing setups? Do you know how functionality suddenly appears?
update: after contacting resideo and giving the mac of my controller, they have now pushed the update as well. Now I can finally see what is happening ...
- Thu Sep 22, 2022 11:35 am
- Forum: Honeywell Home evohome
- Topic: HR92 often opens only for a few percent, boiler doesn't fire
- Replies: 4
- Views: 285
HR92 often opens only for a few percent, boiler doesn't fire
Hi everyone,
I'm encountering an issue with one of your HR92's. When changing the setpoint to a higher temperature, the valve opens but often only for a very small amount (02 - 07 percent). It stays like this for hours. In those cases, it does not trigger heating demand.
On other times, it opens to ...
I'm encountering an issue with one of your HR92's. When changing the setpoint to a higher temperature, the valve opens but often only for a very small amount (02 - 07 percent). It stays like this for hours. In those cases, it does not trigger heating demand.
On other times, it opens to ...