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Last seen: Jan 8, 2025
@leftbacks, there are two obvious things wrong here. Firstly, the system has been set to run at 55 degrees flow at 0 degrees in a ufh system. That...
@Leftbacks, Could you post a picture of your compensation curve? What flow temperature is it trying to achieve at, say, 7 degrees outside? Do you...
@si-fillo the wireless and Melcloud are definitely worth having. It can be a little fiddly to set up depending on your router but not that bad. Y...
@Sarah, Thanks for the update. I am a bit puzzled about two things. Firstly, why isn't a 40 degree flow with your ufh heating your space? That's...
@cathoderay, Are you sure you're getting a SCOP of 3.5? If you're running flat out when it's cold and have a flow temp of c.50 (iirc) I doubt it's ...
It will but when running on AA the variation is 'capped' by the room temperature. But thinking about it, if you have small allowed overshoot, or none ...
@derek-m @lfranklin has a Samsung, not a Mitsubishi. 🙂
@gotaashp sorry there's so much going on here, yes it was you that said this and not @sunandair. 🙂 So hopefully I'm allowing an overshoot of 5 b...
@lfranklin Is it an anti freeze function? Some ASHP's run the compressor to do this (mine does) but I think some 'steal' the HW, including Samsung...
The 48 refers to the max and min settings in the same menu as the +-5 you refer to. What that (the +-5) does I'm not sure. It says it varies around ...
I've limited the max temp to 48; I might drop that to 43, which is the highest setting when I'm running WC. I'm not that bothered about the house hea...
@morgan To display the room temp on the wireless controller, tap a button to get the screen to light up, then press and hold the tap and up/down but...
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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 , 3 minutes 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 , 9 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 , 1 day 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


