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Last seen: Nov 12, 2026
Mitsubishi iLife 2 slim./p>
Sitck with it, if you get your WC curve down to the lowest possible consistent with heating the house you should have an efficient system and plenty o...
Just to say you do need a firm tap (occasionally several), just opposite the inlet to the radiator. Hit it about as hard as you dare. Sometimes this...
So deltaT across rad circuit = 37.9-24.4 = 13.5C. ~5C is what we are looking for. So Im expecting the return from rads to be more like 32C than 24...
Yes. If the pin feels sprung then no problem. If it moves freely then the closing piece (not sure what it's called) may be stuck. A few sharp taps ...
You adjust the end points of the sloped line.you presented earlier. This will be somewhere in the menu, probably the installer menu. I would reduce ...
Yes thanks, good plot Yes initially, but then you turn down the weather compensation curve until the house is at just the right temperature, that...
Situation normal then as @tim441 says you are almost certainly going to have to meddle if you want your system to work efficiently. T...
Black thing looks like (probably) a low loss header combining the output of the two pumps. You will get complete mixing in that which could in princi...
On the grounds that turning the pump speed down didnt help I would put it back up again. Slow flow = higher deltaT across radiators = higher FT neede...
Quite likely not but...with two pumps you have the opportunity to get a very good turndown/modulation ratio and a level of redundancy against failure....
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Degrees of Separation
Latest Posts
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RE: DIY powerflushing tutorial
If you haven't already, have a read of this...
By Pirate Rich , 27 minutes ago
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What we normally do is set the heat pump to holiday mod...
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RE: Air source heat pump roll call – what heat pump brand and model do you have?
@editor And as an occasional contributor, may I say wel...
By Toodles , 59 minutes ago
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RE: Should Households Who Can Afford It Pay More for Energy to Help Those Who Can't?
They don't have to try. Our entire system is d...
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RE: Why don't people choose heat pumps?
Fair enough. I guess I was thinking of pipes that run ...
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RE: How Can I Prove Coal Was My Main Heating Source Without Receipts?
Got excepted for the grant now so thanks for the replie...
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RE: Help me keep the faith with my air source heat pump installation
Well you have a vibration generator running at some fre...
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Six books in three years and I think I’ve now covered j...
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Grant Aerona - Weather Compensation and Schedules
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