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Last seen: Feb 12, 2025
Hi everyone, Thought I would give an update here, and given the recent cold snap in the UK it would seem a good time to do so. We live in Woking, o...
@sunandair your logic makes sense. My concern is that my COP is 2.5 at best. So I’m trying to find the best set up to maximise the COP, and then un...
@sunandair Ah okay so you also get some cycling when the OAT low double digits. What is your COP? Interestingly I spoke to the installer briefly...
Unfortunately I think the issue has not been resolved. See below hourly temps from 13h00. I’m going to run it for a few days in the current setting ...
Another interesting piece of data. I set my HW tank to warm up between 4am and 6am. Take a look at the readings from 3am to 4 am, and then from ...
@jamespa You raise very valid points all round. It takes a few days to see if the COP has improved. The Ecodan only provides energy consumed ...
Thanks that's super helpful - I will adjust the flow rate to target 11L/min. How do I check the emitter value & that the flushing value is full...
@gary & @bontwoody Okay, so heatimisers are not limiting anymore - I set them to 23c, and the temp achieved maxed out at 21c, this is with ...
@harriup Thanks for your comments! I am going to give the current tweaks a few days to run and see what the outcome is. The outside temp change ...
Ah so you are saying my WC curve is too low? Make sense, I will shift the curve up. The house didn't feel particularly warm after 8 hours of having...
@paulrlondon I reset the flow rates (both heating and DHW) from 3 to 5 and also increase the flow rate on the Grundfos pump from 1 to 3. This pus...
Latest Posts
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RE: Setback savings - fact or fiction?
I agree, and that is in effect what @jamespa and I have...
By cathodeRay , 44 minutes ago
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RE: Anyone concerned about GivEnergy?
Good. That's the right approach. If the PSU (power su...
By Transparent , 2 hours ago
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RE: Estimating true heat loss from twelve months of consumption data
@ian33a — a measured heat loss always trumps a calculat...
By cathodeRay , 3 hours ago
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RE: Grant Aeona 3 R32 cycling with weather compensation.
The hot water heating looks normal. The heat transfer ...
By GrahamF , 5 hours ago
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RE: A2A vs A2W: Which Heat Pump Would You Pick?
Good questions @temperature_gradient. My understanding ...
By springswood , 7 hours ago
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RE: New Vaillant aroTherm Plus in black - When will it come to the UK?
All going according to plan, mid July we get that 7kW a...
By Batpred , 18 hours ago
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Current metrics - DHW target set to 47c
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RE: My Grant R290 9kW Heat Pump Installation
@petch I'm very sorry that I have not picked up your po...
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RE: Samsung gen 7 HP 12kw - auto control issue and water law
Suggest you have a trial with Havenwise app. I have th...
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RE: New Solar, Batteries, Air Source and Under Floor Heating advice please
You’re right: UFH works best with high-conductivity fin...
By bafab , 1 day ago
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RE: DIY or Don’t Touch? Solarman Smart Meter Install
That was my understanding also.
By JamesPa , 1 day ago
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RE: Vaillant Sensocomfort Time
Oh I remember this from when I set mine up 2 years ago,...
By JamesPa , 2 days ago
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Heat geek have already stated that the pro is in fact c...
By JamesPa , 2 days ago
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RE: The Myth of the MCS Performance Guarantee
@editor I know. As if MCS wasn't bad enough, it's now e...
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