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Uk_pete_2000
@uk_pete_2000
Member
Trusted Member
Joined: Nov 11, 2024
Last seen: May 15, 2025
Topics: 1 / Replies: 82
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RE: Grant Aerona3 - Home Assistant control via Modbus

Yes link works. Starting to work though it, but looks like I need to go back a couple of steps first to understand more

1 year ago
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RE: Grant Aerona3 - Home Assistant control via Modbus

Count me in @grantmethestrength I have a Grant R32 13kw HP. So not the same model, but might be able to help. Now heating season has finished, I a...

1 year ago
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RE: High electricity use – 17kW Grant Aerona 3

Interesting, the pump on the right (of the photo) is normally inside the HP and another one is not needed inside the house. Also there is a big dro...

1 year ago
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RE: High electricity use – 17kW Grant Aerona 3

@jgtukpd yes that looks like it. The size indicates a low loss header. The left goes to the HP, the right to the CH (?). If correct, then there is t...

1 year ago
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RE: High electricity use – 17kW Grant Aerona 3

Thank you for that, I would have expected the system to be running a lot less than that and does imply there may be a problem.Sorry to ask, but it wil...

1 year ago
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RE: High electricity use – 17kW Grant Aerona 3

That's very high, but before anyone makes changes, there are a couple of questions to ask 1/ is the house comfortable, too hot, too cold? 2/ do yo...

1 year ago
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RE: High electricity use – 17kW Grant Aerona 3

Okay, you have displayed the following information And it tells me you are using 5kw (#03) at this time. With a flow temp of 41°c (#09) and a ret...

1 year ago
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RE: High electricity use – 17kW Grant Aerona 3

@jgtukpd sorry for delay I keep getting logged out The following will one display your info, we are not changing any thing..... Press the Return ...

1 year ago
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RE: High electricity use – 17kW Grant Aerona 3

@jgtukpd Okay, can you locate the following controller

1 year ago
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RE: High electricity use – 17kW Grant Aerona 3

It's understandable when looking at heat pumps, but getting information is just like pushing buttons on your TV remote. If you want to take a look, ...

1 year ago
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RE: Controversial opinions - pure weather compensation, buffer tank, heat loss, oversized heat pumps

@ajbevster Sounds like they want you to run the DHW like you would a combi boiler, also remember that when the HP is doing DHW, its not heating the...

1 year ago
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RE: Controversial opinions - pure weather compensation, buffer tank, heat loss, oversized heat pumps

@heatgeek It's because of the buffer it can cope, as long as I don't run it too long. Then because I have a 2° difference across the top, extra...

1 year ago
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