Control happ_thermstat boiler setpoint

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Control happ_thermstat boiler setpoint

Postby knug2 » Mon Jun 29, 2020 10:55 am

Currently im building a zone regulated heating system.

I would like to control/override the 'boiler-setpoint' of Toon, is this possible? For example : http://<IP>/happ_thermstat?action=setSetboilerSetpoint=4000?
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Re: Control happ_thermstat boiler setpoint

Postby TheHogNL » Mon Jun 29, 2020 12:26 pm

knug2 wrote:Currently im building a zone regulated heating system.

I would like to control/override the 'boiler-setpoint' of Toon, is this possible? For example : http://<IP>/happ_thermstat?action=setSetboilerSetpoint=4000?


This wil set the settemp to 22 degrees and turn off the schedule:
Code: Select all
http://<IP>/happ_thermstat?action=changeSchemeState&state=0&temperature=2200


This wil set the settemp to 22 degrees only during the current scheduled state:
Code: Select all
http://<IP>/happ_thermstat?action=changeSchemeState&state=2&temperature=2200
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Re: Control happ_thermstat boiler setpoint

Postby knug2 » Mon Jun 29, 2020 12:39 pm

@ TheHogNL Thanks for your reply.

But this is just the 'room' setpoint.

What I need/want too change is the 'boiler' output temperature ( eg 60 degrees out ).
I need to override the calculated boiler setpoint value by Toon.

Curious if this is possible, otherwise I will use an OTGW to override the boiler setpoint. But I prefer to only use the Toon if possible.
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Re: Control happ_thermstat boiler setpoint

Postby TheHogNL » Mon Jun 29, 2020 1:00 pm

knug2 wrote:@ TheHogNL Thanks for your reply.

But this is just the 'room' setpoint.

What I need/want too change is the 'boiler' output temperature ( eg 60 degrees out ).
I need to override the calculated boiler setpoint value by Toon.

Curious if this is possible, otherwise I will use an OTGW to override the boiler setpoint. But I prefer to only use the Toon if possible.


Ok that is impossible I am afraid with the toon.
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Re: Control happ_thermstat boiler setpoint

Postby knug2 » Mon Jun 29, 2020 1:47 pm

OK, unfortunately.....

Is there somewhere a list (besides this one : domoticaforum.eu/viewtopic.php?f=97& ... tat#p94570 with all the available commands that can be executed trough happ_thermstat?
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Re: Control happ_thermstat boiler setpoint

Postby knug2 » Thu Jul 16, 2020 3:22 pm

Still have not found a solution yet ( besides OpenThermGateway ). Does anyone know if there is a possibility to manually override the boiler setpoint temperature ( and not just the roomtemperature ), but the calculated boiler setpoint??

Thanks in advance
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Re: Control happ_thermstat boiler setpoint

Postby marcelr » Thu Jul 16, 2020 5:31 pm

The data from and towards the boiler module are sent through a standard serial protocol. You can intercept the communication and replace e.g., the boiler output setpoint with your own value. It will take some C programming skills to make this work. In the distant past I have used interceptty to monitor the boiler module communication, with some reprogramming it may serve as an interface to push your own data into the communication channel. You will also need to use the edge protocol as defined by Quby (and reverse-engineered by me :-) ) to keep the communication with the boiler functional.

In short: Not an easy job, but it can be done.
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