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AndrewJ
@andrewj
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Reputable Member
Joined: Jan 8, 2025
Last seen: Aug 12, 2026
Topics: 11 / Replies: 220
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RE: Starting Our Heat Pump Journey: 1962 build 3 bed detached house

For some reason, never explained, Aria use a buffer. However, it would also seem they know what they are doing and it doesn’t cause issues. Probably...

4 days ago
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RE: Octopus Cosy Heat Pump Owners & Discussion Thread

Did you see the post on Facebook where an air conditioning module, plumbed into the wet circuit and powered by the Cosy was shown? Only a prototype a...

1 month ago
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RE: Can DNO change a G99 export allowance once approved?

It never takes much to drag something off-topic. At least this forum never succumbs to Godwin’s Law!

1 month ago
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RE: Can DNO change a G99 export allowance once approved?

@transparent It seems to be designed that way - from their support page: ..... Pen Fault Detection A PEN fault refers to a problem with the prote...

1 month ago
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RE: Can DNO change a G99 export allowance once approved?

@transparent I'll try and answer this as best I can. My house looks like your TN-CS (PME) image: there is an earth lead directly back into the servi...

1 month ago
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RE: Can DNO change a G99 export allowance once approved?

@tim441 They did that last year: fitted a voltage recorder for a week and then took it away to analyse the data. They agreed that it was reaching vol...

1 month ago
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RE: Can DNO change a G99 export allowance once approved?

Not in writing, just a phone call but the chap said it had been logged so....I haven't had a chance to contact them yet but I will do so. My inverter...

1 month ago
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RE: Can DNO change a G99 export allowance once approved?

Ah ha! People are paying attention 😀! My mistake, they said they would upgrade it. I’ll chase it and ask if switching phase would help. &n...

1 month ago
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RE: Can DNO change a G99 export allowance once approved?

The EV charger doesn’t tell me voltage levels, just goes red when a PE fault is detected. This happens a lot at the moment during the day when it’s v...

1 month ago
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RE: Can DNO change a G99 export allowance once approved?

I did read that thread with some interest. My inverter isn’t faulting, just the EV charger. There is plenty of solar in this area which is probably ...

1 month ago
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RE: Several AC coupled batteries

I think with any size of heat pump you are likely to break the limit on the 3kW inverter and pull from the grid. I don’t feel qualified to comment on...

2 months ago
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