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Last seen: Oct 23, 2026
I think you are right about multi-core, I just saw it in the manual. One of the cables appears to be the pwm cable. Im thinking narrowboats, whic...
Two wires doesn't seem enough - this isn't a boat with return via the chassis (I presume) so I would have expected three! That said I thought that PW...
Its not pretty but its pretty clear, pump speed is constant. However the manual seems to say it isnt! Something odd!
If this is the case then its a bit weird its not enough particularly as you presumably have a primary that is pretty low resistance (or is it?). So t...
Im not an expert on pump curves (or indeed very much else) however there is a good guide to reading pump curves here/p> I think the way to look ...
They decide is by measuring the flow/return temperature. The control loop adjusts the output of the heat pump (within the limits it can achieve) to g...
Fascinating. Referring to your first post, is it a cycle or a defrost. It looks like the latter but maybe Im misreading. Can you confirm Understa...
Planning officers tend to be black and white in their approach in my experience so minor or not it's a breach. In practice it almost certainly hangs...
Thats odd. I have experienced a (Drayton TRV4) which is stuck open because a plastic insert inside the head about 4mm dia and 2mm thick had somehow f...
Cue the 'ignore climate change and it might go away' lobby running articles telling their readers that heat pumps have been cynically rebranded by the...
The peaks in your graph (which I presume are the 'spikes' you are referring to) appear to be at different FTs. What is the set FT, what is the set FT...
Its a good thought however - my interpretation is: The physical installation falls within the legal definition of 'development' (and thus requires...
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Degrees of Separation
Latest Posts
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Mars asked for an update on progress so …. Out HP has...
By DavidB , 33 seconds ago
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RE: How much of your renewable and home setup would still work if the internet went down?
Yes I actually have a copy of a tool that whenever a ce...
By EtchedPixels , 1 hour ago
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RE: How will removing the standing charge on gas bills benefit heat pumps?
The shoulder months are very difficult to judge COP on ...
By scrchngwsl , 2 hours ago
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RE: Indevolt Batteries UK Support & Info Thread
@editor Hi, To resolve this, please tap on the A...
By Indevolt Tech , 9 hours ago
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RE: Double or Triple Glazed Windows?
Posted by: @singlespeed With 9 years repairing windo...
By Rob of York , 1 day ago
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@transparent we’re still running a secure version of PH...
By Mars , 1 day ago
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RE: How quickly would you want/expect heat recovery to take from setback?
Much longer than that here. The heating isn't even on. ...
By bobflux , 2 days ago
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RE: Passiv Smart Thermostat - Help & Forum Support
Obviously the weather is changeable but there's a defin...
By Singlespeed , 2 days ago
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RE: The Changing Jet Stream Could Challenge UK Air Source Heat Pumps
@rob-of-york I must admit that when we had a Daikin hea...
By Toodles , 2 days ago
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RE: Forum updates, announcements & issues
Get the Renewable Heating Hub heads-up on WhatsApp. I...
By Mars , 2 days ago
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RE: Safety study for plug in batteries out to tender - looks like Q3 2027 at best before legal
@editor I pointed out to the one of the Fuse execs that...
By dansus , 2 days ago
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RE: 15kw pump for 225m2 1990's house - over kill?
@seaviews As well as loft insulation, there are othe...
By Rob of York , 2 days ago
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RE: BT cuts you off, Plusnet blames Openreach... welcome to “seamless” broadband switching
Both of which (in most cases) use Openreach for the las...
By JamesPa , 2 days ago
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RE: Renewables & Heat Pumps in the News
Yes, this is a swiss and german standard I believe, Vai...
By Batpred , 3 days ago
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