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iancalderbank
@iancalderbank
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Joined: Oct 17, 2022
Last seen: Jan 14, 2025
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Topics: 0 / Replies: 643
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RE: Thinking of installing a 7kW Vaillant ASHP – questions

cynical answer no I wouldn't expect a "typical" ASHP installer to have done a system drawing, and certainly not one that you've said has been "poor". ...

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: ASHP flow through pipes is noisy and preventing us from using at night......looking for help.

hi danny you mention pumpS , does that mean you have more than one? If yes, do you have a system diagram or an understanding of which pump is circul...

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Ecodan help with efficiency setup and design

@rich a UPM 25-85 130 is fairly beefy, it may well be enough to run the whole thing. I run a 210m2 house on a single UPM 25-95 130.

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Do setbacks save energy without compromising comfort?

@cathoderay your cylinder mfr quotes 2kwh/24h = 83 watts. (FYI Mine's a 300L advance appliances, 69 watts, B rated) the maths is easy, umpteen onlin...

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Ecodan help with efficiency setup and design

@rich seems to me like you should be able to do what you have drawn, yes the LLH is ruining your COP based on those temps you've measured. the fact...

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Do setbacks save energy without compromising comfort?

this shouldn't be the case. If its modern, it has to be well insulated or they can't sell it. Mine has only dropped 1C over 8 hrs. Have you insulated ...

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Is the Samsung Gen 6 12kW AE120RXYDEG ASHP right for me?

I have a 16, which is the 12 without the de-rating. I wouldn't worry about noise as a primary decision criteria. It chugs away somewhat when its sub z...

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: ASHP as preheater for conventional electric boiler

@dropbear there's an element of confusion in your write up. you talk about the 300L cylinder being preheated to 65 and then heat with something else t...

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Updates and announcements

@transparent ditto, exact same behaviour , on almost all page loads from this forum today and yesterday. at first I thought I might be having an ISP i...

2 years ago
Forum
Introductions, Forum Rules & Updates
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RE: Updates and announcements

getting wordpress / site not responding errors quite often - every few days. Too many users, site overloaded?

2 years ago
Forum
Introductions, Forum Rules & Updates
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RE: Interesting development on defrosting

mine too. didn't think it was quite cold / humid enough but clearly it is. defrost after 4hrs running. the pink highlight is about 0953, when perfor...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Samsung ASHP scheduling help

@cyrusir if you use an ESP as the modbus master, the ESP is the only thing that has to be wired to the MIM module. the comms from the ESP to your HA ...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
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