I have a Remeha Calenta 40C and the built in serial port provides plenty of information on the boiler operations. I have built and installed the. Return and DWH temperatures show for me (Calenta 40C), can you try using the originial OTGW monitor to see if these values are reported by. Calenta 28c Combi Comfort System. Calenta 40c Combi Comfort System manufactured by. Remeha B.V.. Apeldoorn, The Netherlands.

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Open Fan Speed setpoint: You can also test it using the DA command. The home owners are also very excited about the complete and sustainable system. Sadly nobody answered ‘just upgrade’ Therefore maybe i’m asking obvious questions, sorry for that. No Amount of Information to Display: So far, I’ve managed to sniff the calnta HEX string to poll the boiler for data and receive a response.


Yes Setpoint raise at warming up of calorifier: I know my way around Linux, and can program-by-example a bit. Kraus Installatietechniek in Zutphen provided them with the support they needed to have a sustainable home. Blocking without Frost Protection Release Input: You need PHP on the Pi to run them.

Have now added code to populate devices in Domoticz and all working correctly. The system is used for both room heating and domestic hot water. Open External CH Pump[2]: The best choice for us!

Do we Can we want to control this? No Mains Live-Neutral phase Detection: So which setpoint you want to control next to the Room Setpoint?

[] opentherm gateway – Page 4 – Domoticz

Automatic Pump post run time: How to get this working in Domoticz? Yes 40d Request Flags: The Verhulst family has been living in a beautiful semi-duplex house near Zutphen since Solar PlusZutphen.

Is this the temperature of water sending out?

No Heat Calwnta from Frost Protection[3]: You do not have the required permissions to view the files attached to this post. Add the ability to plug in an ESP directly to the boiler and you have an excellent management addition to your system.


The quickest check is to run the remeha. The Remeha Solar Plus system offered them the perfect solution.

Remeha Boiler/CV – logging data from serial port to ESP – Domoticz

Screen Shot at Besides the Room SetPoint i see three more: Is it possible to have 2 AA MsgId’s to be polled? Mon Jan 27 However now I would need some help with the reverse engineering of the work already done for the Calenta. I connected my OTGW today

Last modified: April 25, 2020