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cliffhanger
@cliffhanger
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Eminent Member
Joined: Mar 2, 2025
Last seen: Apr 14, 2025
Profile Activity
Topics: 1 / Replies: 12
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RE: Is it KISS or constant – weather compensation vs. set flow temperature?

Hi Just as an aside. My system is heating only. What is the best way of turning a weather compensation setup off in the summer? I thought of tu...

3 months ago
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Air Source Heat Pumps (ASHPs)
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RE: Is it KISS or constant – weather compensation vs. set flow temperature?

Okay. I have setup the system using just weather compensation. There is something called 'thermal blockade' on my smart controller which turns off t...

4 months ago
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Air Source Heat Pumps (ASHPs)
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RE: Is it KISS or constant – weather compensation vs. set flow temperature?

Away at present. Hence the delay. Will get back asap. Cliff

4 months ago
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Air Source Heat Pumps (ASHPs)
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RE: Is it KISS or constant – weather compensation vs. set flow temperature?

Thanks. I've seen the video several times at the beginning and frankly its useless. I expected more detail. If as cathode Ray says to largely igno...

4 months ago
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Air Source Heat Pumps (ASHPs)
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RE: Is it KISS or constant – weather compensation vs. set flow temperature?

@jamespa All one can say is many thanks for the help from all and more importantly patience! Will now push on with pictures. I do have the manu...

4 months ago
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Air Source Heat Pumps (ASHPs)
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RE: Is it KISS or constant – weather compensation vs. set flow temperature?

Thanks. Yes I understand how the curve works. What's not clear is how can a low curve eg 0.3 that's right for the house temperature selected, but d...

4 months ago
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Air Source Heat Pumps (ASHPs)
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RE: Is it KISS or constant – weather compensation vs. set flow temperature?

So just to be clear here. Even when the OAT drops below freezing a low heating curve should still translate to a high LWT? Perhaps I'm not seeing ...

4 months ago
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Air Source Heat Pumps (ASHPs)
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RE: Is it KISS or constant – weather compensation vs. set flow temperature?

@cathoderay Many thanks for the reply Yep. We're 250m up in the Cheviots in the Borders! I have none prior to central heating. We were...

4 months ago
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Air Source Heat Pumps (ASHPs)
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RE: Is it KISS or constant – weather compensation vs. set flow temperature?

Hi cathodeRay Can't pm you I haven't enough posts. I'm attaching the docs I have on heat loss. The controller is 3 weeks old so malfunction unlik...

4 months ago
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Air Source Heat Pumps (ASHPs)
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RE: Is it KISS or constant – weather compensation vs. set flow temperature?

@editor Will get back. Lots to try. Thanks to everyone Cliff

4 months ago
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Air Source Heat Pumps (ASHPs)
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RE: Is it KISS or constant?

Yep that's good to hear. The heat curve issue that is. I thought the pump might be undersized but the company did a good amount of cals which I've r...

4 months ago
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Air Source Heat Pumps (ASHPs)
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RE: Is it KISS or constant?

Thanks Mars Some good stuff in there The overshoot on KISS is probably nearer 2 degrees but I was trying to modulate at 19 degrees at the time in ...

4 months ago
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Air Source Heat Pumps (ASHPs)
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