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@heacol
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Noble Member
Joined: Aug 6, 2021
Last seen: Oct 1, 2025
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Topics: 3 / Replies: 411
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Reply
RE: Air source heat pump performance

@kev-m This cycling may be caused by a low system volume, however 3-4 times an hour is not excessive and will not damage the unit.

4 years ago
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Air Source Heat Pumps (ASHPs)
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RE: Air source heat pump performance

@kev-m You are absolutely right, and I expect you to be a cynic. "The other thing you have to remember is that forums like this are a self selecting...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Kev-M's ASHP Performance

@kev-m getting there, but will be better when you change the valves. Flow temp dropped from 43 to 30 and the house is still too hot. COP at 30 - round...

4 years ago
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Air Source Heat Pumps (ASHPs)
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RE: Air source heat pump performance

@derek-m Not a cynic. But unfortunately it comes through from the manufacturers who are only interested in selling a box without any cum-back- hence d...

4 years ago
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Air Source Heat Pumps (ASHPs)
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RE: Kev-M's ASHP Performance

@kev-m That is good news, I would shift it to -2 and try that. Because of the steady temperature, most of our customers run their systems with an inte...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Air source heat pump performance

@kev-m Great, it may take a few days to get your internal temperature right, it will react very slowly.

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Air source heat pump performance

@morgan It is a pleasure, every person I help, regains faith in heat pumps, they tell others and I will benifit at some stage. As they say, what goes ...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Air source heat pump performance

@morgan It may be eaier if you resd the manual section on adjusting the compensation curve. From memory, I cannot remember how to do it. I deal with t...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Air source heat pump performance

@kev-m Thanks

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Air source heat pump performance

@morgan That is correct, it is shifitng the compensation curve up and duwn. Use it as a level. One level up will raise the curve and therefor the flow...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Air source heat pump performance

@morgan Yes, + = temperature /compensation curve up = woamer house and vice versa. You only have to adjust the curve once.

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Air source heat pump performance

@morgan I would bring the 50 down to 45 and the 30 down to 25. To shift that curve, all you do is push the up and down on this screen, you do not ha...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
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