Last seen: Jul 24, 2025
To underline those comments from @derek-m 19kW equates to 80A, which is the size of Service Fuse being deployed by DNOs when they get called to site f...
I think both @david999 and @bretix are missing something which I've found an essential part of my route to understanding how this green technology pro...
Yes, Canadian Solar is ok @david999 How do you feel about the short-circuit current of those panels being slightly greater than the 13.5A maximum ra...
@ bretix This is type of fuse-holder which attempts to double-up as a contact breaker. You pull the top handle towards you and the fuses get pulled...
I've just checked the PV-input specifications for your 3-phase 10kW inverter @bretix Like @david999 you have two MPPT inputs,but in your case ...
You may wonder why it is that your inverter is rated for a maximum 3600W output,and yet each of the two PV inputs can take up to 550v x 13.5A which co...
Or, if you'd like a more technical answer... PV panels that you're likely to consider for rooftops have three electrical parameters which we need to...
Sure. No problem:
@david999 - regarding 'off-grid' use, I was specifically answering the points made by @bretix who has a SunSynk inverter I can't remember which inve...
Let me slightly 'tighten up' that wording. I assume we're talking about a 240v AC supply which remains live when there is a grid outage. Your SunS...
I'd find it slightly easier to answer that question if I knew what 'fuses' were in your wall-mounted box at the moment! 🤔 Have a look at a ...
Sheesh! I take the evening off and now there's a dozen new questions in this topic! I've been responding to Heat Pump 'complaints' online for abo...
Latest Posts
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Delighted to hear this went well. It looks very neat ...
By JamesPa , 6 hours ago
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RE: No-code, plug-and-play monitoring for your heat pump
The issue with the Grant is that you have to wire direc...
By Grantmethestrength , 10 hours ago
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RE: Is this just haze or something more?
I am not a scientist nor a meteorologist and I know the...
By Toodles , 10 hours ago
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RE: Benefits of an extra horizontal loop for GSHP
It will improve performance, but by how much depends on...
By Brendon Uys , 15 hours ago
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RE: The good, the bad and the not that great – my heat pump installation
Said I would pop back with a update. Only Mr Jesus h...
By Burtis , 1 day ago
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RE: Buffers, hot water and cooling
Thats presumably heat pump DT, what about radiator DT a...
By JamesPa , 1 day ago
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RE: Who's your electricity provider and what's your tariff?
@chandykris Exactly the same here. We now have 13.5kWh ...
By Old_Scientist , 2 days ago
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Compressor and Evaporator Stratification
I have had a few issues with my Hitachi spilt heatpump ...
By trebor12345 , 2 days ago
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RE: Wood burner with ASHP - direct air?
This depends on the size of your wood burner and size/t...
By Lucia , 2 days ago
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RE: Difficult positioning of air source heat pump
@rikiarn It's a not a buffer it's a volumiser which is ...
By Lucia , 2 days ago
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RE: Is your heat pump insured?
To make things clear, lots of insurance companies cover...
By Lucia , 2 days ago
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RE: Boxt Heat Pump Installation Experience
@adrian any updates since installation? How is it perfo...
By Ashfp , 3 days ago
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RE: Say hello and introduce yourself
Hi @seatonian - Yes, I know Seaton, and I have the Nat...
By Transparent , 4 days ago
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@seatonian got your email. Will connect you with a reco...
By Mars , 4 days ago
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@downfield and @toddles, this isn’t in the settings cur...
By Mars , 6 days ago
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RE: Homely launched for Grant Aerona ASHP control
I haven't bought the Aerona Smart Controller (£700!) bu...
By Prunus , 6 days ago
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RE: Antifreeze top up for my heat pump - is this a rip off?
For the record, Grant supply ethylene glycol for their ...
By Prunus , 6 days ago
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RE: Compressor attempts start but fails - Nibe Fighter 2005 8kW
@skyefarmer amazing. Well done!
By Mars , 7 days ago
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RE: Air source heat pump roll call – what heat pump brand and model do you have?
Ebac 5kw - Monobloc R32. Developed and made in UK - Mit...
By marcinwloch69@gmail.com , 1 week ago
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RE: Is a Valliant Inline 6kW heater a BUS buster?
Just another thought - it might be worth thinking about...
By JamesPa , 1 week ago
