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davidnolan22
@davidnolan22
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Joined: Jan 15, 2025
Last seen: Oct 16, 2025
Topics: 0 / Replies: 109
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RE: Volumisers in Heat Pump Systems: Does Placement Matter?

@jamespa yeah, i agree. The time required to fine tune a system is not economical. I absolutely understand why heat pump companies oversize, stat ...

7 months ago
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RE: Volumisers in Heat Pump Systems: Does Placement Matter?

@jamespa yeah, I agreed. My son’s bedroom is on the ground floor with his sisters room above. I need to keep his room all night to over 20 so the fabr...

7 months ago
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RE: Volumisers in Heat Pump Systems: Does Placement Matter?

@jamespa yep, and this is what I'm doing it's the eveness of the spec. If your going to oversize, do it evenly. BUT, and it's a big BUT, having...

7 months ago
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RE: Volumisers in Heat Pump Systems: Does Placement Matter?

@gary Its not the integral tank, so I have a separate pump. My data from the second 1/2 of the winter is that 11.2 should be OK to cover this ho...

7 months ago
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RE: Volumisers in Heat Pump Systems: Does Placement Matter?

@sunandair I can't get my system higher than 35 or 36 degrees, The only way to do that would be to start to close more of the secondary system off.

7 months ago
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RE: Newbie: utterly confused with my Mitsubishi Zubadan air source heat pump running on 55C set flow temperature

@sandman1600 What I mean is, your UFH power is 79wm2 I think, at mean water temp 50, so in your house that is 9. something kw of power. they desi...

7 months ago
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RE: Newbie: utterly confused with my Mitsubishi Zubadan air source heat pump running on 55C set flow temperature

@sandman1600 If your heat loss is really 14, and your UFH capacity at mean water temp 50 is 9kw, if they are right, the the pump won’t be your prob...

7 months ago
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RE: Newbie: utterly confused with my Mitsubishi Zubadan air source heat pump running on 55C set flow temperature

More like “the heat loss report is the heat loss report” The actual heat loss, well, you’ll have live evidence. if increasing primary flow withou...

7 months ago
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RE: Ecodan Auto Adapt Questions

@richard24738 yes, the R32 its attached to the frame, on the new R290, then can be places away from the unit. This make the weather comp much worse on...

7 months ago
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RE: Volumisers in Heat Pump Systems: Does Placement Matter?

@sunandair Hi, ive read that a few times, I think I get what you mean Yes, was definitely struggling to heat the house this winter at several poi...

7 months ago
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RE: Newbie: utterly confused with my Mitsubishi Zubadan air source heat pump running on 55C set flow temperature

@sandman1600 yeah, they'll just turn the pump speed up. might not help you as much as you think. you need someone to measure what's happening acros...

7 months ago
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