Last seen: Aug 21, 2025
What, if anything, are you finding difficult. What are the weather comp settings?
This is correct. Inverter limits protect grid and internal wiring. Depends on your tarrif. For me it makes sense to heat dhw at night at 6.7p/kWh...
Looking at those photos I agree with @ashp-bobba. To put it another way it looks like its targeting a DHW temp of 40 not 50, which means that it wil...
There are DHW tanks with a built in heat pump that take their intake from the house, the outside world or the loft. Sometimes these are described as ...
By manual I meant constant/DHW priority, ie it should reheat once the temperature drops below (target - hysterisis). Are you certain (a) the unit has...
If it heats reliably when triggered from melcloud it points more to a control misconfiguration than to anything physical. Holiday mode, selecting m...
If the thermostat is connected to the call for heat terminal on the vaillant or myson then I suspect it's also a call for cool (IE an 'enable'). If y...
Good luck. Missing rads definitely was a problem for me. The fancoil was supposedly on 3 month delivery (but actually turned up 4 days later!) and t...
Yeah, mine did exactly the same - no error codes. The turn on/off again suggestion was (sensibly) made by my installer before he turned up - might as...
Same here as above. Where have you seen this terminology?
Latest Posts
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I agree, @dgclimatecontrol; almost certainly a badly de...
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RE: Does anyone have experience of a smart water meter?
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RE: Say hello and introduce yourself
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RE: New Vaillant aroTherm Plus in black - When will it come to the UK?
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@moman0311 welcome to the forums. I've received your em...
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@old_scientist like for like comparisons are almost imp...
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