Mar 23 2020

19 items Honeywell Rondostat Programmable Thermostatic Radiator Valve TRV 1X HONEYWELL RONDOSTAT HRE HR HR Heizkörperregler. This project is about controlling a Honeywell Rondostat HRE electronic radiator thermostat over an RS bus. The idea for this project. The HR Rondostat. Is an electronic radiator control. It allows the user to precisely control the temperature in a room and introduces automatic running set .

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It seems to be a little bit tricky. What monitor resolution do you use. I will not fix it but I honeywepl create complete new daemon.

For direct communication without valve you need some caint of “MESH” network. If I read out temperature values, i get the reading I have solved my problem of the recirculation temperature see Post on: The temperature can be set in the eeprom block temperaturebut it is not a nice way because of the required calculation of the necessary value.

What is the CRT?

I use at the moment Rev. The connector pinout is as follows: User must make another request. Further work is required. I am not wery experienced with Windows and have no license so I really would prefer a Linux based development platform. Attacker can easier calculate key. Br20e problems and errors please.



Thomas, Thermotronic schematic diagram can be seen here Beitrag “elektronische Heizungsregelung mit Thermotronic”but you may know that already.

And now, in February, a second one has failed with rondstat same error. But I have a newer version, which I can offer next week I will return on Monday evening home, so that hopefully till Thursday a new release can be provided. It is significant if you have childens. Incompatible to old layout If an expected response is not received, an error comment is displayed in terminal Overscan can be used or not, i don’t know what is better.

honeywell hr20 | eBay

Then I want to add small wireless nodes that monitor windows and doors with a small reed contact. Could you send me your modification on RFM12? Then I moved and took the unit with me. The following are the error codes known so far: Hello Jiri and the other guys from the ‘development team’.

Just prototype on universal PCB and wires. Have you got chance to test an RFM12 at something like 2. Today I discovered also a jump in the temperature, which I couldn’t explain within a few minutes from 16,76 to 17,26 then back to 16,76, 17,76, 17,30 and 16,82 which looked strange to me. The SW is based on.

Suppose a short heart-beat packet is sent from a client to the server every 10 second. Can you try mount this HR20 into another valve? Has anyone already done this?


It is gateway between serial line and RFM Or you can use precompiled HEX from repository. Problem can be that rondosatt SW realy need “master” board.

I looked at the PCB in order to determine what is pin 1, so I will use this numbering, and hopefully this notice will avoid any misunderstandings of the pin numbering. And this is result: It seems very simple. I’ve been referred to http: Would probably require some Addressing-Layer in your Programm. I’m interested to see your antenna inside the HR Also note that you need even parity. I will try to integrate a RFM status sender for first approach. Many greetings from Czech ronodstat.

I’ll post more later. Hello, You can test latest method to count motor pulses. Can both – internal and external – be used? It would be good to have an algorithm, which adopts automatically to some parameter and may be also predict the temperature which will be reached on a valve setting.

Display is not updated until switching between manual and auto mode.