Post Buffer Tank DUCA Circulating Pump Settings
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.
Could you post a photo? Is it a Grundfos?
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@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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