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JamesPa
JamesPa
@jamespa
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Joined: Apr 3, 2023
Last seen: Sep 19, 2026
Topics: 27 / Replies: 5411
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RE: Help me keep the faith with my air source heat pump installation

Yes thats the whole point of the flexis as regards transmission of externally generated vibration to the indoors. however its possible, I suppose, t...

1 year ago
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RE: Help me keep the faith with my air source heat pump installation

The answer contractually is whoever you contracted with for the the work which included the fitting of the breakers (normally whoever you paid for sam...

1 year ago
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RE: delta T = 10 (Daikin)

So far as I can tell designing for DT5, which is 'the norm', is a convention not an absolute. I have seen people argue that a higher DT is preferable...

1 year ago
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RE: External stat issue

WC curve best discovered by experiment anyway as any loss calculation (on which a theoretical determination of the WC curve would be based) is at best...

1 year ago
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RE: How to choose Towel Rails for an ASHP

Why? To stop them acting as a bypass?

1 year ago
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RE: How to choose Towel Rails for an ASHP

So far as I have been able to establish towel rails are essentially useless for low temperature heating, they simply dont emit sufficient energy. In...

1 year ago
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RE: Testing new controls/monitoring for Midea Clone ASHP

@cathoderay, @old_scientist I think @old_scientist is onto the right idea in terms of explanation. Can you remind us where the sensor is on the Midea...

1 year ago
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RE: delta T = 10 (Daikin)

Crazy large and unexplained so far as I know, I had heard Daikin recommend this. 10% efficiency penalty compared to DT of 5 (because average emitter t...

1 year ago
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RE: Testing new controls/monitoring for Midea Clone ASHP

In a way I would like to agree with the final conclusion, but I can't yet. The transitions with switch on and off weren't spikes, they were shifts so...

1 year ago
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RE: delta T = 10 (Daikin)

That was Daikins answer to every single question I asked them during my discovery phase. ...Which is one of the reasons I discarded them from cons...

1 year ago
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