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Last seen: Aug 13, 2025
@skd That is a good point but it is only on FTC 6 it’s not on FTC5 or at least I don’t have it on my FTC5
@derek-m At current mild OAT its all run from battery charged off-peak supplemented with solar if required, I run house/heatpump/charge battery from t...
@derek-m turns on at 21C off at 22C, its came on at 1.30pm today will probably hit 22C around 6.30 so 5 hours run time no cycling at 1kwh. Once its ...
@rich I have an 8.5kw ecodan to keep cycling to 1 per hour at any temp below 10C I need to run at 32C, anything less leads to a lot of cycling. That...
Nice work - my system is almost identical to yours, I look forward to seeing if you get any efficiency benefits.
That will be because it was warmer outside more heat in the outside air means the heat pump has to work less and therefore more cycling.
Welcome it sounds like your heatpump is too big for your property and as you have found out over zoned. It sounds like you have it running as good a...
@jaket The heat pump can only either heat hot water or supply the central heating, it cannot do both at the same time. It looks like your hot water ...
@sunandair could you post a link to the databook please
@sunandair I agree, I remembered this yesterday then forgot again, thanks for posting
@jaket as the unit is cycling so much you wont get a stable dT from the brief periods its stable it looks like it would be 35C flow 32 return so a dT ...
@jaket Hi- your getting there its cycling less than it was, increase the temp further and see if you can get rid of it.
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