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Last seen: Mar 13, 2024
Well, we had the low-less header and accompanying Grundfos pump removed a few weeks back. And the results... well, the system has stabilised somewhat...
I believe I can see all of those readings, yes. I've been using them to watch it establish and maintain the temperature differential, cycling up and d...
A very fair point James! The trouble is that without taking up floorboards, I'm not able to see the exact pipework. Ian, the unit has the flow rate ...
That's my suspicion too. We do have two towel rails that are permanently on and there's always the 18l volumiser! I've dropped Daikin a message as ...
Thanks... I've wondered from day one why it's there.
When I set the operation mode to be based on Leaving Temperature (difference vs return temperature) then yes, the internal ASHP pump is on, while the ...
Yes, I think that's causing the very short cycling when the heating pump is off. I think it's actually pushing the water around the heating system, th...
@ianc Yes, that's correct, those are the three loops I have. The ASHP is targeting 35C leaving the output from the internal unit, 30C coming back into...
Thanks everyone. Today I basically did what everyone's (correctly) proposing - I set all rooms to 25C on the TRVs, full valve opening on lock nuts a...
Thanks all. I'm as surprised as you that cycling is having such a big effect, but at the moment this is where logic is pointing. Tomorrow I'll force t...
It's tricky to tell when it's using the difference between out and return flow temperatures rather than the Honeywell thermostat. The Honeywell syste...
Thanks James and Derek. The LLH is inside the house, in the downstairs bathroom with all of the other indoor parts. When you mention the poor COP, re...
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RE: Has anyone seen this problem before? Huge anticycling times
Im now getting the exact same fault list after 2 years ...
By JamesPa , 2 hours ago
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RE: Heat pump running costs – what has actually worked for you?
For me it is a case of keep it simple and follow the 'g...
By JamesPa , 4 hours ago
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RE: Grant Aerona Air to Water R290 6.5 kW - Quiet Mark and Silent Running
Thats all interesting. DHW on my Vailant seems to respe...
By JamesPa , 4 hours ago
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RE: Do I need to change the control unit when replacing my Ecodan Air Source Heat Pump
One of the other mods has just reminded me that @ashp-b...
By Majordennisbloodnok , 6 hours ago
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RE: Electricity price predictions
So a final update on Charge Pack, now I have nearly rea...
By bontwoody , 1 day ago
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RE: Indevolt Batteries UK Support & Info Thread
My ideal install would have my battery installed before...
By BlizzardGreen , 1 day ago
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RE: PV and battery long payback - sense check query
@old_scientist I have now drafted 2 replies - both have...
By DavidB , 2 days ago
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RE: Can I start an argument about buffer tanks please? 🙂
Assume flow from the heat source is higher than flow to...
By bobflux , 2 days ago
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RE: Air source heat pump roll call – what heat pump brand and model do you have?
Forum Handle: adrian Manufacturer: Appliandirect.co....
By Adrian , 2 days ago
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RE: Acond heat pump failed after four years - diagnostic quote £940 plus VAT
@downfield Thank you Downfield. This sounds potenti...
By Mia , 3 days ago
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RE: Digest of UK Energy Statistics
@jeff Yes my brother in Oz told me of that charge year...
By Jancold , 3 days ago



