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Post Buffer Tank DUCA Circulating Pump Settings

 
Thermostats, Volumisers, Buffer Tanks, TRVs, Pumps, Piping, Valves, Radiators & Controls
Last Post by Potatoman 1 year ago
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 Potatoman
(@potatoman)
Trusted Member Member
Joined: 2 years ago
Posts: 57
Topic starter 02/12/2024 10:34 pm   [#1908]

Does anybody know what is the best setting to have your heat pump, post buffer tank circulating pump set to, there are 5 settings: iPMW, AUTO, PP, CP & CS.



   
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Mars
 Mars
(@editor)
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Joined: 5 years ago
Posts: 4474
02/12/2024 10:55 pm  

Could you post a photo? Is it a Grundfos?


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 Potatoman
(@potatoman)
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Joined: 2 years ago
Posts: 57
Topic starter 02/12/2024 11:03 pm  

@editor  Hi, it is a DUCA

pump


   
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Mars
 Mars
(@editor)
Illustrious Member Admin
Joined: 5 years ago
Posts: 4474
03/12/2024 4:04 pm  

@potatoman I raised this with Secon, and here's what they say:

"If you have a PWM connection then leave it in PWM. If not, auto is always safe. If it's a particularly long pipe run, you might need constant pressure (CP) maximum speed."

Does that help?


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 Potatoman
(@potatoman)
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Topic starter 09/12/2024 8:27 pm  

@editor Hi, yes it does, thank you



   
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