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Last seen: Sep 19, 2024
If it is not the MVHR causing the spikes then please explain what may the cause and how?
The minimum and maximum flowrates should be detailed in the specification section of the installation manual.
If it was my system, I would be taking the matter up with the installer and his professional indemnity insurer, since the design and installation of t...
Sorry Gary, it is the property that is too large for the heat pump. 😋
Please explain 'worse'. If the heat pump is producing almost 14kW, but the present heat demand is greater than 14kW, then the net effect will be for t...
From the range on the charts, I'm assuming this is the IAT that is being shown. I doubt whether the heat pump would cause spikes to the IAT, so I wo...
When it is warm and sunny and the heat pump is switched off. 😋
@chickenbig It feels like "low and slow" is rather at odds with the feast/famine nature of wind. I've yet to resolve this in my mind, just like whet...
@transparent I fully agree, just as heat pumps don't play nicely with heatmisers, averages don't work well with both electricity generating capacity...
That is indeed a valid point, since I did not look too closely at the details, mainly the total heat loss figure. Having different room temperatures...
It is difficult to provide precise advice without knowing all the details, so instead I will merely make some suggestions. Carry out, or have carrie...
What does the manual say about this alarm and its likely cause? Refrigerant gas goes through the compressor, not water, so I don't really see how th...
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Degrees of Separation
Latest Posts
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RE: HeatGeek vs Octopus surveys: puzzling disparity - any ideas why?
Not a problem; that’s why I left it as it was. The pers...
By Majordennisbloodnok , 2 hours ago
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RE: To re-pipe or not to re-pipe? Moving from oil boiler to air source heat pump.
@penval, really useful update. After all the discussion...
By Mars , 11 hours ago
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RE: Who's your electricity provider and what's your tariff?
@papahuhu I prefer to look at it simplistically. We d...
By Old_Scientist , 1 day ago
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RE: How Accurate Is My DIY Heat Loss Calculation?
D'oh - of course. I shouldn't post before my brain is f...
By Old_Scientist , 2 days ago
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RE: Questions about A2A for heating as well as cooling
@rob-of-york I would concur with the underfloor insulat...
By Toodles , 2 days ago
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RE: New Vaillant Arotherm controls link to existing thermostats ; wired vs wireless
Nothing attached! I have rads but UFH makes the case ...
By JamesPa , 2 days ago
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RE: Cooling with air to water heat pumps
Passive cooling should always be the first call. Keep ...
By JamesPa , 2 days ago
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RE: Do I add Air Con or MVHR to existing A2W ASHP?
@rob-of-york Thank you, I’m thinking along these same l...
By Toodles , 2 days ago
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@Mars Good questions! The downstairs unit did the maj...
By Rob of York , 2 days ago
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RE: Volumisers in Heat Pump Systems: Does Placement Matter?
@dave, I think @jamespa has probably identified the mos...
By Mars , 3 days ago
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RE: Plug and play solar. Thoughts?
My thought is simple. Bring it on and bring on plug in...
By JamesPa , 4 days ago
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RE: Heat Geek mini store vs pump size
Yes I agree, that’s why Heat Geek have most likely sele...
By Tomtheheatingengineer , 4 days ago
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@tomtheheatingengineer, thank you, and welcome to the f...
By Mars , 5 days ago
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RE: Is the "divide by 2900" rule still valid?
Really flow rate is a pipework limitation not a water p...
By JamesPa , 5 days ago
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