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Low Flow Rate Error - 8 kW Ideal Logic ASHP - Help!

 
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Air Source Heat Pumps (ASHPs)
Last Post by cathodeRay 9 months ago
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 Wh0am3ye
(@wh0am3ye)
Active Member Member
Joined: 1 year ago
Posts: 10
Topic starter 11/10/2025 8:38 am  

@cathoderay Ahh yes, the large white tank is an Ideal Logic Pre-Plumbed cylinder, so theres a 180l hot water tank at the top and the heating pipes run through the bottom which is why the CH1 pump is there - Long Welsh cottage needs some help with circulation! I believe there is an integrated buffer in the tank.



   
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cathodeRay
 cathodeRay
(@cathoderay)
Famed Member Moderator
Joined: 4 years ago
Posts: 2950
11/10/2025 9:04 am  

@wh0am3ye - OK, starting to make sense, but it does mean you have a buffer which as you will know from this forum is usually, though not always, not ideal, despite the brand name. But you are where you are, as indeed am I. I have a plate heat exchanger between the primary and secondary circuits, some loss of efficiency, but I have kept it for now as it does keep the potentially dirtier (though in practice so far it hasn't been) radiator circuit separate from the primary circuit.


Midea 14kW (for now...) ASHP heating both building and DHW


   
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