Last seen: May 15, 2025
Correct and I still stick by it as this is a discussion on automation and getting control of the HP to respond to circumstances. In the end all a WC...
@johnmo Not sure, I think it was a couple of times. On checking traced it back to return temp matching outgoing temp. It then cycles the water unti...
@jamespa There is a lag in response no matter which you chose, depending on the mass of the heat sink and ours is large. There would also be a buil...
@jamespa Yes the basic principle is correct, but by using that mirror and knowledge you know that if the temp is falling / gaining then x amount...
@johnmo Having never had a gas boiler, I can not commit on that. All I understand about them is that they run high temp to warm up a house, within ...
@jamespa Yes there are a lot of people running WC and there are a lot of people who make changes to those WC curves during the winter as the house...
Hate to burst people bubbles, but WC will never match the house heat loss. The only way to do that is by using the internal house temp and adding / re...
@johnmo Yes, we have about 300m2 of UFH, over 3 manifolds. One manifold is then split to deal with radiators upstairs. Our return temp is around ...
@johnmo This is not too much about micro-management of the HP, but about getting more from it. I have a Grant 13kw, two to three times larger tha...
@johnmo "Why not use the original manufacturer controller (Chofu) which is hidden away in a cupboard" If you do a search on Gibhub or Internet, s...
@stopbar We have a 13kw R32 Grant and found running 30/-5 & 25/15 works (its a very efficient house). Most of the time I just run it off flow...
Hi, Had a look over the information / video and though I can just about follow it and may be able to take a stab at it, I think its a little too muc...
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RE: Recommended home battery inverters + regulatory matters - help requested
The diagram below is a simplified view of the internals...
By Batpred , 8 hours ago
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RE: Heat pump not reaching flow temperature
@davec Ive had a look at the screenshots. Lots of th...
By JamesPa , 9 hours ago
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RE: Vaillant aroTherm not heating with many faults
When I had a series of apparently unrelated faults my i...
By JamesPa , 9 hours ago
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RE: Considering MLCP (Multi-Layer Composite Pipe) for ASHP
OK, TBH I dont know enough about MLCP to comment with a...
By JamesPa , 12 hours ago
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RE: Predicted Heat Loss from MCS calcs vs EPC vs actual
My gut feeling is that the heat pump is right sized. ...
By Tim441 , 12 hours ago
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RE: Power outages and storms: A surprisingly good DNO experience
Agreed, which is no more nor less than a customer shoul...
By Majordennisbloodnok , 14 hours ago
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RE: Running from backup generaor in powercut?
@batpred In our case, 3 times each day when the Octopus...
By Toodles , 14 hours ago
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RE: Advice for a novice on Mitsubishi Ecodan 6kW
Hi @sheriff-fatman Cycling at 5C and below is usuall...
By RobS , 14 hours ago
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RE: New Fogstar 15.5kWh upright solution
@batpred Here's the latest Fogstar ready built pack....
By Bash , 16 hours ago
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RE: RDSAP10 effect on existing heat pump EPC rating?
@mike-patrick yes, even though the current system is ru...
By Tim441 , 16 hours ago
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RE: Solis inverters S6-EH1P: pros and cons and battery options
Solis confirmed that the S6 works with a single battery...
By Batpred , 17 hours ago
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RE: Who has a V2G EV installation
I am wondering if in any V2X, would the car battery eve...
By Batpred , 17 hours ago
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RE: Setback savings - fact or fiction?
Yes, by calculating it manually from the minute data, w...
By cathodeRay , 19 hours ago
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Fan unit Making terrible noise HELP!!
One of a pair of fan units on an Earth Save Classic II ...
By GutoFfowc , 19 hours ago
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RE: New Mitsubishi Ecodan 11.2kW installation - L9 errors and maybe more
OK. I think your system, which seems well designed, is...
By JamesPa , 21 hours ago
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RE: Heatpunk Floor plan issues
It's usually the complete opposite... seldom that Safar...
By Mars , 1 day ago
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RE: Fan is clipping ice build up from the front of unit.
@majordennisbloodnok I’ll not go there thanks! Toodles.
By Toodles , 2 days ago
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RE: Running my new Nibe ASHP efficiently
I'm new to the forum. Did you get a reply to this last ...
By Mike @ Camelot , 2 days ago
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RE: ASHP Energy Consumption: Aira 12kW heat pump
@grantmethestrength MCS requirements for DHW capacity h...
By Toodles , 2 days ago


