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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: Controversial opinions - pure weather compensation, buffer tank, heat loss, oversized heat pumps

@grantmethestrength Be interest to know how you are getting on etc, as we have a Grant R32 13kw system and looking to use modbus to get greater cont...

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

Hello @stuartornum I enjoyed reading your points on WC and agree, they are not worth it. There is no way of ever setting them up correctly and ...

1 year ago
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RE: Solar for heating DHW

You can only get 4kw out of the inverter, regardless of where it comes from. So you are producing 4.6kwh from the panels, the inverter will put 4kwh...

1 year ago
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RE: Not a good January? My heat pump used 840 KWh of electricity

we have a very well 400mm Insulated house, etc Passive standard

1 year ago
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RE: 4 port buffer tank connections

The heat pump only turns on when we request heat. Never really tested what happens if we leave if off for 24hrs and its below 4°. I think even our hou...

1 year ago
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RE: 4 port buffer tank connections

That's how we start, 4 temps on the 4 ports. It showed we had a imbalance of 5° across the top, which I wanted to reduce having looked at the various ...

1 year ago
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RE: 4 port buffer tank connections

Grant have much to same and can even be placed outside, next to the HP. Yes when defrosting the heat has to come from some where and by changing to ...

1 year ago
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RE: 4 port buffer tank connections

I wish they would. Ours made out we needed a 13kw system. More because of the size of the house, then the makeup of it. Seems back then it couldn't co...

1 year ago
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RE: 4 port buffer tank connections

There is plenty of difference in my case. A 4 pipe 300l buffer, we have to get the balance down below to say 2° flow temp across the top. In order ...

1 year ago
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RE: Not a good January? My heat pump used 840 KWh of electricity

Around 370kwh for 2024 to around 490kwh 2025. Did try running it 24hrs over the 1st week of Jan, but decided it was of no benefit, so won't be doing...

1 year ago
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RE: 4 port buffer tank connections

👏 👏 👏 👏 👏 Spot on.

1 year ago
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RE: 4 port buffer tank connections

@editor I agree it can be difficult to get it correct and i came to this site just for that help. Once I realised that most people had no idea other...

1 year ago
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