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cathodeRay
cathodeRay
@cathoderay
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Joined: Feb 28, 2022
Last seen: Jun 2, 2026
Topics: 18 / Replies: 2921
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RE: Setback savings - fact or fiction?

I agree, I have even been known to call some of the 'optimistic' energy output claims 'compressorgate' claims. The thing I was trying to get across is...

4 months ago
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RE: Setback savings - fact or fiction?

I'm not sure, but I think those tables in the engineering data manuals are supposed to be direct measurements in lab conditions, perhaps not for all t...

5 months ago
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RE: Setback savings - fact or fiction?

There is certainly a visual widening, but as I said, as a proportion of the absolute OAT value, it is about the same across the range, perhaps in fact...

5 months ago
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RE: Setback savings - fact or fiction?

I am still not sure we have got our collective heads round what is going on. One way of looking at a defrost is that it is a setback, insofar as the h...

5 months ago
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RE: Setback savings - fact or fiction?

Thanks for this. It certainly is detailed! And I think it generally confirms the idea that most of the energy used in a defrost comes from the heat co...

5 months ago
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RE: Setback savings - fact or fiction?

Indeed. In many ways, a defrost is a setback, with the added complication of other stuff happening as well.

5 months ago
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RE: Setback savings - fact or fiction?

@jamespa — thank you. I eyeballed the reference line, and it fell conveniently on the '20' grid line (convenient that is for doing the fills in ImageJ...

5 months ago
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