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Last seen: Jun 11, 2026
You can try adjusting the Modulation & Overshoot settings in the MMI to start with. Enter installer mode to adjust these.
My 2 bed mid-terrace definitely dropped consistently after the heat pump was installed. Previously, because I still have single glazing, I used a smal...
Plus the pipe is in contact with the ground so it's a cold/moisture bridge and needs to be lifted or at least an air gap created underneath.
If it's accessible then it should be fine. The cylinder won't get even warm on the outside. Mine is in the loft which was annoying for about 3 weeks...
If it's accessible then it should be fine. The cylinder won't get even warm on the outside. Mine is in the loft which was annoying for about 3 weeks...
I found because I have very low heat loss I can set back the temp by only 1C during the higher rate periods because the Daikin overshoots 1-1.5C regar...
Three things that caused noise in my system after commissioning. Volumiser was gurgling which just turned out to be the air bleed valve not open. ...
@georgea You system isn't too different from mine. I don't have UFH and my house is a 2 bed mid-terrace so maybe a bit smaller. Heat loss 3.3 @ -3C...
Slight correct to the above defrost behaviour as the fan only ramps at the beginning and end of the cycle. The bit in the middle is when both the wate...
ASHP Model: Daikin Altherma 3M 4KW House loss: Calculated 3.3 at -3C, definitely overestimated though. Control mode: Weather Comp + Thermostat wit...
With existing rads it seems easier to just install A2W. I've seen some larger houses with multiple internal A2A units have pipework running all over t...
Valiant & Daikin have a form of load compensation or room influence which can dynamically adjust the WDC by a few degrees based on what thermostat...
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Latest Posts
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RE: Help me keep the faith with my air source heat pump installation
I didn't know about those, they look like good pieces o...
By JamesPa , 34 seconds ago
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@mkz, that's very helpful. Even if Urban Plumber are no...
By Majordennisbloodnok , 7 minutes ago
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RE: Several AC coupled batteries
That is a good point, a manufacturers can stop trading,...
By Batpred , 48 minutes ago
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My first question is why bother with the auto balancin...
By JamesPa , 1 hour ago
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RE: Indevolt Batteries UK Support & Info Thread
Hi @hanno - good question. The range of hybrid invert...
By Transparent , 1 hour ago
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RE: GivEnergy inverter tripping due to over-voltage?
@transparent the inverter was installed in 2021 and afa...
By Tim441 , 2 hours ago
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I share the same experience as @majordennisbloodnok hav...
By Old_Scientist , 2 hours ago
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I agree. So far as I understand, we can't necessarily...
By Majordennisbloodnok , 3 hours ago
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RE: Say hello and introduce yourself
I hope so, @toodles. It's not often that we see a situa...
By Majordennisbloodnok , 5 hours ago
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RE: Heat pump design review please: 5 kW Vaillant aroTHERM Plus heat pump
@jamespa many thanks, definitely i will give the pre...
By ragtime27 , 17 hours ago
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RE: Heat pump installation quotations
@jamespa I noticed that in the Heat Geek design consult...
By Batpred , 18 hours ago
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RE: Electricity price predictions
Good point, I do expect the bonus of putting my energy ...
By Batpred , 1 day ago
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RE: Daikin ESPAltherma and Home Assistant installation
@bash, something we haven't touched on already relates ...
By Majordennisbloodnok , 1 day ago
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RE: Air source heat pump roll call – what heat pump brand and model do you have?
Vaillant arotherm plus 12kW. Installed March 2025. Ex...
By Harebell , 2 days ago
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