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Last seen: Jun 12, 2026
@fosterl2 It's the white points to the side with ONI presume that Home Assistant project you screenshot earlier would tell you the current position...
L9 = Low Flow error
@fosterl2 I will ask around about the dip switch for ASHP 2 WRT tank, how does the frequency compare? Looks like your graph is just from ...
Thanks, Yes i think your logic is correct that for some reason the 2nd pump will sit idle until DHW completes and i don't know the reasoning Mitsi d...
I'm trying to visualise this, your plumbing would require a return tee'd between ASHP 1 and 2 for ASHP 2 to service UFH while ASHP 1 is doing DHW?This...
Without the adapter installed there is no flow rate information available to plot on the graph (as MELCloud does not record it) Service ...
Also worth checking for broken springs in 2 port zone valves or 3 way valves not seating/passing and restricting flow.
The DeltaT is pretty high, by the sounds of it flow rate too low for the outdoor unit sizePump might be set on 5 - but potentially it needs replaced w...
@davidalgarve The settings look correct, and i see you now have movement in the value - so it appears to be working. I know there is some filteri...
The default for an unpaired or incorrectly assigned thermostat is also 20, could you further check: Initial settings > Room sensor settings > ...
Finally, surely there must be some significance in the fact that the room temperature, as relayed from the wireless controller, shows a steady 20C whe...
You can select a date in the past which perhaps reflects best the issue you see, and then Share that day - see the buttons to press outlined in red bo...
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As its using ToU tarrifs then its totally believable so...
By JamesPa , 50 minutes ago
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Why do you want to maintain a specific deltaT? The out...
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RE: Heat pump installation quotations
@batpred Excellent, thank you very much!
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Hopefully this will answer your question. To...
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RE: Help me keep the faith with my air source heat pump installation
I would be interested to find out if others do this and...
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Don't you dare. You just carry on as you are; as @batpr...
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RE: Heat pump design review please: 5 kW Vaillant aroTHERM Plus heat pump
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@mkz, that's very helpful. Even if Urban Plumber are no...
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