ComfoAir: field experiences

[ari...@nesys.it]

Hi All,

any of you already implemented the Binding for having integrated a ComfoAir device with openHAB?

I'm interested in particular on ComfoAir 350, but in general I would like to know if the Binding is working as expected.

On the other hand I've seen the implementation requires a serial connection, I was wondering to know how you implemented this in your infrastructure. Maybe with Arduino and a MQTT connection via wifi?

Any shared experience would be appreciated

Thank you

Andrea

[Patrik Gfeller]

Hi Andrea,

I've the binding working and the only thing required was a standard serial-to-USB cable (I'm using windows host; but I assume linux will be ok as well); on top of the ComfoAir there's a connector box - if you open it you have access to a serial connection ... and that's it :-)

If you have problem to find the connector it I'm happy to post a picture - just let me know (maybe even worth to add it to the wiki ...); anyhow below a picture of my UI:

with kind regards,
Patrik

[Andrea Riela]

Hi Patrik,

Thanks for sharing your experience.

Do you have a 350? How many sqm are you managing with this device?

Thanks again

Andrea

[Holger Hees]

Hi Andrea,

i'm using a ComfoAir 350 and manage ~160m² with this device.

best

Holger

p.s.

I created a web page with my homeautomation experiences but it's only in german. You can find some details about my ComfoAir on the following link:

http://www.intranet-der-dinge.de/haus/lueftung

[Andrea Riela]

Thank you for sharing.

It’s also necessary to buy the optional remote control CCEase?

Thanks

Andrea

[tomtrath]

no, you dont need the CCEase

BR Thomas

[Holger Hees]

i would suggest to buy a CCEase.

the binding is readonly with the exception to enable or disable the CCEase. The rest, like error message reset must be done with the CCEase control unit.

Currently there is some code to reset the messages, but it is untested.

The CCEase is the only way to control 100% of the ComfoAir functionality.

Am Mittwoch, 21. Januar 2015 13:59:24 UTC+1 schrieb Andrea Riela:

[Andrea Riela]

Hi Holger,

thanks for clarification.

Any chance to try to simulate 100% the CCEase with our openHAB ? :)

Can’t wait :)

Thanks again

Andrea

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[Holger Hees]

I think this is currently not possible. The comfo air is available with so many additional features and i have no test environments.

Most of the time i use only the openhub UI. And 1 or 2 times per year i reenable the CCEase to made some main configuration changes like filter message reset. You also need the CCEase to initial setup you ComfoAir.

Last but not least, it is "cheaper" to buy a CCEase instead of wasting time with the implementation of rarely used features. :-)

and you are on the safe side with warranty, because the binding is readonly!

to get a impression about the possibilities you can get a look at the protocoll documentation (in german)

http://www.see-solutions.de/sonstiges/Protokollbeschreibung_ComfoAir.pdf

[Patrik Gfeller]

Hi Andrea,

yes - it is a 350 - we have aprox. ~180 m^2.

with kind regards,

Patrik

Am Mittwoch, 21. Januar 2015 00:56:08 UTC+1 schrieb Andrea Riela:

[Patrik Gfeller]

Hi Holger,

very nice page - do you mind if I would add links to your article and referenced documents (and screenshots) from the comfoAir wiki page?

with kind regards,

Patrik

Am Mittwoch, 21. Januar 2015 11:10:01 UTC+1 schrieb Holger Hees:

Hi Andrea,

i'm using a ComfoAir 350 and manage ~160m² with this device.

best

Holger

p.s.

I created a web page with my homeautomation experiences but it's only in german. You can find some details about my ComfoAir on the following link:

http://www.intranet-der-dinge.de/haus/lueftung

Am Mittwoch, 21. Januar 2015 00:56:08 UTC+1 schrieb Andrea Riela:

[tomtrath]

Hi,

i do not have a ccease and use my comfoair 350 only via openhab. the binding also support filter reset. Already used and proven to work correctly.

BR Thomas

[Holger Hees]

Good to know :-)

i implemented the filter reset but it was never tested by me.

and my previous statement was not correct.

the following change commands are implemented

- enable and disable the ccease (tested by me)
- setting the target temperature (tested by me)
- setting the fan level (tested by me)
- filter reset (untested by me)
- error reset (untested by me)

but the following commands are not implemented

- enable the incoming and outgoing airflow separately (fireplace circuit)
- a feature related to the cooking hood
- all maintenance-settings (P Menu)

but you can configure this additional commands in the class org.openhab.binding.comfoair.handling.ComfoAirCommandType.java

feel free to do this and let me know the results.