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iancalderbank
@iancalderbank
Contributor
Noble Member
3454 kWhs
Joined: Oct 17, 2022
Last seen: Feb 20, 2024
Topics: 0 / Replies: 614
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RE: Stiebel WPL 25 heat pump in South Wales with no insulation

@transparent @shaeney I'm impressed by the use of a Spirotech Spirotrap high flow rate low head resistance dirt filter. Its only the second one I've e...

1 week ago
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RE: Grant 10kW versus Samsung 12kW - sizing dilemma with ECO4 installation

@tobyg sounds good to me. much more likely your house is under 10kw heat loss than over and the lower modulation capability of the grant will help yo...

1 week ago
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RE: Grant 10kW versus Samsung 12kW - sizing dilemma with ECO4 installation

we're talking about the same thing. If you want to allow your room temps to vary by +-2c you'll need a 3rd party thermostat (thats a 4C swing). Not su...

2 weeks ago
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RE: Samsung Gen6 12KW heat pump and pasteurisation cycle - only uses the booster

@peterrsaltings not quite sure why you @'d me into here, I don't run legionella via my controller at all. I heat the whole tank to 55C every day with ...

2 weeks ago
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RE: Grant 10kW versus Samsung 12kW - sizing dilemma with ECO4 installation

@tobyg the 1C swing between on and off is native to the samsung controller when used as thermostat. if you want a different window to that, you need t...

2 weeks ago
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RE: Grant 10kW versus Samsung 12kW - sizing dilemma with ECO4 installation

you can of course adjust the flow temperature that it runs at post install. But, if you adjust it to lower than what your radiators have been sized fo...

3 weeks ago
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RE: Grant 10kW versus Samsung 12kW - sizing dilemma with ECO4 installation

on this , although you say you aren't a natural techie, try downloading and reading the manuals for the user-facing controller for each. For samsung, ...

3 weeks ago
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RE: Grant 10kW versus Samsung 12kW - sizing dilemma with ECO4 installation

@tobyg a target flow temperature of 50C is not low, in a heat pump system. its a high flow temperature. If your system is being sized for 50C flow at ...

3 weeks ago
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RE: Slash Your Heat Pump Bills Overnight

@cathoderay I don't think it can happen widely. to be honest I'm a little bit puzzled by the original post. I can see how this works with a large UFH ...

3 weeks ago
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RE: Ecodan - optimal external installation?

@rhh2348 ok get it, you want to focus on the external. I do think it would help if you post some photos. picture paints a thousand words and all that.

3 weeks ago
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RE: Grant 10kW versus Samsung 12kW - sizing dilemma with ECO4 installation

@allyfish thanks. yes the whole way defrosts work is an issue. the next HP I buy whenever that is, will hopefully have a better engineered way of doin...

3 weeks ago
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RE: Defrost Cycles - How Common Are They?

almost certainly yes. looks like your target WT is around 47. For comparison here's mine from the sub-zero weather on the 18th. Target WT is 41 at -7,...

3 weeks ago
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