Last seen: Jul 21, 2024
Do you know what flow in l/m your unit is showing? @allyfish How do i check this? is it a parameter on controller? i've not seen it in manual. T...
*SITREP Thanks for the replies - I've been basically babying the unit for the last week trying to find the sweet spot for WC - and it was all over t...
*Update So the heating season has begin in earnest - which means £.. But besides that - been looking at the grant 10kW running - and the ad hoc da...
Also, a small detail - Copeland compressors of a smaller hew, (<20kw) are UK manufactured and used by a variety of HP manufacture's - (RED, Bosch, ...
@allyfish I've been keeping a track of this parameter - circa 4000w when the DHW is running. to be honest, it bounces about a bit - like most o...
@allyfish 17Hrs a day is a good ballpark to hit for a first winter With my system being entirely underfloor - getting the flow rates right is the...
Thanks for the heads up Mr A Fish I have 4x Nest Thermostats running a zone each. scrapped all the extra boards from grant and just run 2 independen...
Also, depending on the system design, can add the required volume of water for DHW cycle - mine was too close for comfort - I added in the 30L volumiz...
@fjj I have done the same and fitted the controller in my main living area in the kitchen. It may not stay there forever, but it is a good jo...
@allyfish This is a constant Q for myself, many on the forums state "setback" by 2Deg during the night & day when the house is unoccupied/s...
With the current state of play in the installer market - a homeowner has to take some responsibility for the install. And they need to understand th...
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Heat Pump Dramas?
Thinking about installing a heat pump but unsure where to start? Already have one but it’s not performing as expected? Or are you locked in a frustrating dispute with an installer or manufacturer? We’re here to help.
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Latest Posts
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Cliff, welcome to the forum. You’re running into one ...
By Mars , 3 minutes ago
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RE: What is the best strategy for operating a very oversized heat pump?
This whole discussion highlights just how much of a mes...
By Mars , 15 minutes ago
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RE: NIBE F2040 12 kW heat pump and 100 liter buffer tank
@cheshirejohn thanks for the update and for sharing. I’...
By Mars , 38 minutes ago
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RE: Newbie out of her depth – Samsung AE120RXYDEG 12kW heat pump
@jamespa @bontwoodyHeat loss calculations found and att...
By BAMi , 2 hours ago
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RE: Setback savings - fact or fiction?
Here's the same plot, less the R squared values, done q...
By cathodeRay , 3 hours ago
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RE: SolarPV tables / online calculator
We've only had our solar since last June, but so far fo...
By Old_Scientist , 3 hours ago
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@robs useful thread! Thanks for sharing - Octopus are c...
By big_si , 3 hours ago
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RE: Volumisers in Heat Pump Systems: Does Placement Matter?
@jamespa Agreed. I think it’s a case of much over muchn...
By Mars , 6 hours ago
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@eliuccio Unfortunately, whilst I agree with a lot of...
By JamesPa , 6 hours ago
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RE: Samsung Gen 7 R290 12kW is not behaving how I expected
Definitely its in the 20xx FSVs. Conversely it may be...
By JamesPa , 7 hours ago
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RE: Towel rails. An unexpected final hurdle
We have both Normal Rad for heating the room and then a...
By IRMartini , 9 hours ago
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RE: Heat Pump Sizing & Installation Costs
Perhaps useful to have installed date too? To get conte...
By Tim441 , 11 hours ago
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RE: F.788 Building circuit pump reports internal fault - Vaillant Arotherm
Guess I have to wait for engineer visit. I really hope ...
By jeegnesh , 1 day ago
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RE: Act now to defer the UK road tax increase on EVs
@majordennisbloodnok Damn right sir. my attempt at iron...
By Jancold , 1 day ago
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RE: ASHP and heating issues in new build house
That’s good gives you more capacity. It made me think, ...
By Terry1812 , 1 day ago
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RE: Seewet manhole cover within r290 exclusion zone
Thanks! I asked Vaillant, and they say I should be fi...
By dbrb2 , 1 day ago
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Looking for the Grant Aerona 3 setting to turn off completely at 20 OAT
I'm running my Aerona 3 on WC and the 'warm end of that...
By damonc , 1 day ago
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RE: Do I just go with the lowest quote for my heat pump?
So after signing in Sept in two weeks the install may s...
By Jancold , 1 day ago
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RE: Victorian Semi Retrofit / Extension ASHP and UFH Advice
When you are renovating is always a good time, as it ma...
By JamesPa , 2 days ago
Latest Topics
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By cliffhanger 17 minutes ago
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Heat Pump Sizing & Installation Costs
By Mars 13 hours ago
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Volumisers in Heat Pump Systems: Does Placement Matter?
By Mars 14 hours ago
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SolarPV tables / online calculator
By MichelleC 21 hours ago