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Uk_pete_2000
@uk_pete_2000
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Estimable Member
Joined: Nov 11, 2024
Last seen: May 15, 2025
Profile Activity
Topics: 1 / Replies: 82
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RE: Controversial opinions - pure weather compensation, buffer tank, heat loss, oversized heat pumps

Yes we have about 300m² on two manifolds, 16 loops. Another manifold is for upstairs rads

7 months ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Grant Aerona3 with Octopus Cosy tariff

Sorry I think you lost the point. The main question was about the CH turning off when DHW was being called for. So having two HP, that person can h...

7 months ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Grant Aerona3 with Octopus Cosy tariff

Some where, someone said they had two HP. with this setup and some changes to the pipes, you could have one HP deal with DHW and CH and the other one ...

7 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Controversial opinions - pure weather compensation, buffer tank, heat loss, oversized heat pumps

I enjoyed reading this response, it so follows our house, but we have different results. Our house is 538m² and built to Passive standards and w...

7 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Grant Aerona3 with Octopus Cosy tariff

I just looking into those myself. From what I gather you just put a wire between the two contacts to turn it on. You could use a Grant EP001 (edit sho...

7 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Grant Aerona3 with Octopus Cosy tariff

Thank you for that, on those HP that have this facility then setback will work. The Grant doesn't have this, but it may be included in the new contr...

7 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Controversial opinions - pure weather compensation, buffer tank, heat loss, oversized heat pumps

@grantmethestrength thank you for this information.

7 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Grant Aerona3 with Octopus Cosy tariff

Why have you put it in here? If its used all the time then fine, that's where it should be. But its the coldest room then the rest of the house will...

7 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Grant Aerona3 with Octopus Cosy tariff

You have to take into account what the actual house temp is. If at 16.00 your house is at set temp, then any setback by 1° will turn off the HP. Th...

7 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Grant Aerona3 with Octopus Cosy tariff

It all depends on your house and how long it take to lose heat. If you can turn your HP at 16.00 and it only loses say 1/2 ° by 19.00 hrs then that ...

7 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Is the Grant controller a thermostat?

Add me to that list

7 months ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Is the Grant controller a thermostat?

The system should not be seeing the 23C, in fact it does not see / use any internal temps any more, it is just showing the current temp. The reading o...

7 months ago
Forum
Air Source Heat Pumps (ASHPs)
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