Last seen: Jan 11, 2026
No because its NOT connected to the neutral, its connected to the metallic sheath of the distributor’s service cable into the premises as it says in t...
Sorry to heat that - it should be possible to improve on this situation. 'The rest of the house cold' suggests you are not heating the whole house,...
That matches the TN-C-S diagram here Your post crossed with mine which has both diagrams from the IET and a bit of a comment.
Please dont feel obliged to respond quickly or at all, we all do this in our time on an as and when basis. I am very grateful for any input which has...
Welcome to the forum and I am sorry you are disappointed. In fairness this time of year is by far the most expensive and the most noisy time for he...
My house/experience: a) 2off 'professional' 3 hour surveys: 16kW. One I paid £300 for the other was FOC, different surveyors/heat pump installers ...
@anon67 Sorry I cant help. The only 'lead' you might follow is the fact it works for DHW. The faults look like they would affect DHW also but a...
@davec Ive had a look at the screenshots. Lots of the parameters are things you wouldn't want to touch but: Im guessing H43 and H44 are the two F...
When I had a series of apparently unrelated faults my installer turned up, checked the flow rate using the test menu, and cleaned the filters (two - a...
At this stage I would say no as gross underestimation of the loss is not the most likely cause of the problem. More likely causes are (a) the heat...
I cant see how that is the case if the earth is provided by means of a bond to the metal outer sheath of the incomer; no cut (other than one in your d...
Thanks for the clarification.
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RE: Recommended home battery inverters + regulatory matters - help requested
No because its NOT connected to the neutral, its connec...
By JamesPa , 4 minutes ago
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RE: Please help with the settings ecodan
Hi and welcome to the forums.Does your system use a Mit...
By Sheriff Fatman , 15 minutes ago
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RE: New Daikin 11kW Altherma 3M install - is it working as it should?
I forgot to mention: Octopus measured our heat loss at ...
By Toodles , 1 hour ago
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RE: Considering MLCP (Multi-Layer Composite Pipe) for ASHP
Thanks Mars and thank you for reaching out to so many p...
By iotum , 1 hour ago
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RE: Air source heat pump roll call – what heat pump brand and model do you have?
Forum Handle: @davec Manufacturer: Peak Energy Mode...
By DaveC , 1 hour ago
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RE: Rate the quality of your heat pump design and installation
@radwhispererdwhisperereorourkeditor Well, the guy came...
By razz , 2 hours ago
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RE: Setback savings - fact or fiction?
Given the weather has been relatively stable, the empir...
By Batpred , 2 hours ago
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RE: Post-Traumatic Heat Pump Stress Disorder
@jamespa Hi James - thanks so much! That sounds like ut...
By johnbroome , 3 hours ago
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RE: Heat pump not reaching flow temperature
@jamespa system design was for 40 degrees FT at -2 degr...
By DaveC , 3 hours ago
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RE: GSHP WOES! Midland based engineer recommendations?
@editor That is very kind! Thank you so much.
By johnbroome , 3 hours ago
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RE: ASHP Energy Consumption: Aira 12kW heat pump
@wally Hi I am not sure how large your house is b...
By TechnoGeek , 5 hours ago
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RE: Predicted Heat Loss & Needs from MCS calcs vs EPC vs actual
I've been thinking along similar lines to @tim441 from ...
By Sheriff Fatman , 5 hours ago
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Thanks, @technogeek. Good to hear about the accuracy. ...
By Majordennisbloodnok , 5 hours ago
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RE: Advice for a novice on Mitsubishi Ecodan 6kW
In my case it was a very specific pattern of behaviour ...
By Sheriff Fatman , 6 hours ago
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RE: Vaillant aroTherm not heating with many faults
@ashp-bobba Yeah I'll give it a go, will check filter...
By Anon67 , 6 hours ago
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RE: RDSAP10 effect on existing heat pump EPC rating?
@transparent Perhaps the names at the end of the docume...
By Toodles , 6 hours ago
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RE: Heatpunk Floor plan issues
@jamiejones85 A2A they will design on dynamic heat loss...
By ASHP-BOBBA , 7 hours ago
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RE: Fan unit Making terrible noise HELP!!
can you post a video looking inside, at and through the...
By ASHP-BOBBA , 7 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 , 1 day ago
