Search found 5 matches
- Sun Jan 21, 2024 11:23 am
- Forum: Honeywell Home evohome
- Topic: Boiler Cycling / HR92 hysteresis
- Replies: 7
- Views: 689
Re: Boiler Cycling / HR92 hysteresis
https://i.ibb.co/4Pkshmx/Screenshot-2024-01-21-110839.png Thanks all for the support. I've managed to capture a lot more data now, as you can see it appears to be the demand from one TRV that is causing the constant cycling (Yellow line on bottom graph, although the red line demand also increases ...
- Fri Nov 03, 2023 5:23 pm
- Forum: Honeywell Home evohome
- Topic: Boiler Cycling / HR92 hysteresis
- Replies: 7
- Views: 689
Re: Boiler Cycling / HR92 hysteresis
I don't think I can do this, as I don't have a "Boiler" relay, just two BDR91's feeding the Y-Plan valve, I seem to remember this setup prevented access to the cycle menu (I think! its been a while since I set it up)
- Thu Oct 26, 2023 9:44 pm
- Forum: Honeywell Home evohome
- Topic: Boiler Cycling / HR92 hysteresis
- Replies: 7
- Views: 689
Re: Boiler Cycling / HR92 hysteresis
Thanks for the feedback, I was assuming it wasn't good for the boiler to cycle for such a short time each time and would cause premature wear. I think I need to do more research on it!
- Tue Oct 24, 2023 8:34 pm
- Forum: Honeywell Home evohome
- Topic: Boiler Cycling / HR92 hysteresis
- Replies: 7
- Views: 689
Re: Boiler Cycling / HR92 hysteresis
Hi,
Its a raspberry pi Zero running this :
https://temperature-machine.com/
with some ds18b20 temp sensors
Its a raspberry pi Zero running this :
https://temperature-machine.com/
with some ds18b20 temp sensors
- Mon Oct 23, 2023 1:14 pm
- Forum: Honeywell Home evohome
- Topic: Boiler Cycling / HR92 hysteresis
- Replies: 7
- Views: 689
Boiler Cycling / HR92 hysteresis
Hi All, Firstly thanks Evohomeshop for providing this forum, seems like an excellent resource! My Setup - Open Vented System with a Worcester 24Ri Boiler. Y Plan Evohome HR92 x 5 (Lounge/Bed1/2/3/4) + DHW My Issue - Through the night, the boiler will continuously cycle on and off, I assume trying to ...