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Last seen: May 14, 2026
@jamespa many thanks. will do
@jamespa thanks for the advice. If I am tweaking the curve for low temps, should I first increase the Maximum outgoing water temperature in Heating mo...
@grantmethestrength I'd be interested to hear more about your Wavesure Modbus to ethernet adapter install. I can provide my email if you don't want to...
@grantmethestrength 2101 is irrelevant is it not if the WC is on (2100)? On an aside, it sounds like you had a better installer. Have you been told ...
We have a Grant Aerona3 as well. We are not on Octopus Cosy as I am still learning the system and am not sure if it is better to warm the house on the...
@damonc interesting! It all depends on your house I reckon. If your insulation is not wonderful as ours isn't, 2C might be reached too quickly and if ...
I realise now that this hysterisis setting is controlling when the heating comes on e.g. Heating : Outgoing water temp ≥ Water set point (parameter 21...
@damonc If we are talking about a Grant Aerona3, 2141 is not the frost protection hysterisis - those settings are in group 43. 2141 controls when the ...
There is one other setting in the Grant heat curve group which is the Hysteresis of water set point in heating and the default is 8C. Am I right that...
Many thanks for that advice. I did think it was a bit crazy. The previous owners would not made these settings as they were in their 80s.... I have ...
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