Air-water heat pump current consumption and data

Whether the thermal disinfection should be on or off is a matter of belief. At the moment, it is probably on. You can set it in the Warm Water menu under Pflegeprogramme. However, if you activate it, you must also flush the pipes each time, otherwise it is pointless.

I would definitely turn that off, it makes no sense in an occupied single-family house

I would definitely turn those off, it makes no sense in an inhabited single-family house

Ok, I'll do that

The spread in standby is widening again. The 3 marked lines in the screenshot are the last 3 "full" heating cycles in the graph. The heating cycle that has started is currently running, and the return flow was at 23 degrees and the supply flow at 32.8 degrees.

That means the spread is increasing again and oscillating, right? I have set the pump optimization back to no and set it to 180 minutes. Maybe my heat pump doesn't like the setting.

If the spread doesn't get better then, I have no clue, because the flow rate is currently at 1440 l/h and should actually be fine, right?

yes, then let's try it without pump optimization

I have basically reset everything to the time when I had the 0.2 degree differential in standby mode. In other words,

- Total flow rates back to 1380 l/h
- Pump efficiency nominal and minimum back to 10.00v
- Pump optimization to no and 180 min.

Let's see, one thing is clear, if the differential is already bad in standby, then it is also bad in heating mode.