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Heatgeek
@heatgeek
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Joined: Dec 16, 2024
Last seen: May 29, 2025
Profile Activity
Topics: 1 / Replies: 116
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Reply
RE: Heat pump's integral circulator pump

@heacol Thanks, mate.

6 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Heat pump's integral circulator pump

@robs Thanks for this. The statement about 8C was not mine. It came from a Brendon quote. The flow rate shown is the current one. Are you saying that...

6 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Heat pump's integral circulator pump

@heacol I am sorry that this provoked such a reaction. Misinformation applies to me as well so I did warn you. I never made any definitive statements...

6 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Heat pump's integral circulator pump

@jamespa @heacol Beware disinformation on this forum. I took some time out to verify the statement made about all the top performing heat pumps on...

6 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Heat pump's integral circulator pump

@jamespa For the sake of clarity, in my previous response I ignored the house heat requirement at 15C OAT for a 10kW load at design temperature. The ...

6 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Heat pump's integral circulator pump

@jamespa So, it seems that we have an empirical answer to your question rather than an engineering one. Therefore, from this input and context, I ded...

6 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Heat pump's integral circulator pump

@jamespa You should best address this question to Brendon. I would also be keen for more clarification as it is fairly fundamental. I am not an insta...

6 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Heat pump's integral circulator pump

@jamespa For a fixed pump in question on open loop, dT could be <2C at 15C. Below is another view on the topic with which I concur.

6 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Heat pump's integral circulator pump

@jamespa Let me throw my hat into the ring on this one. If one accepts that a delta-T of 5C is required for correct operation of a heat pump, then he...

6 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Heat pump's integral circulator pump

@jamespa @RobS. You are missing the point here. Part L states that EVERY room should have a thermostat to control the heat output. Practically then, i...

7 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Heat pump's integral circulator pump

@RobS Don’t understand the logic here. If a thermostat shuts off a zone, its flow stops therefore the overall flow is reduced i.e. flow varies with st...

7 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Heat pump's integral circulator pump

@ubert767 You may find this useful as well.

7 months ago
Forum
Air Source Heat Pumps (ASHPs)
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