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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 8 months ago
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 Potatoman
(@potatoman)
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Topic starter 02/12/2024 10:34 pm  

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.

This topic was modified 8 months ago 2 times by Mars

   
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Mars
 Mars
(@editor)
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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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Topic starter 02/12/2024 11:03 pm  

@editor  Hi, it is a DUCA

pump

   
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Mars
 Mars
(@editor)
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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
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Topic starter 09/12/2024 8:27 pm  

@editor Hi, yes it does, thank you


   
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