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Buffer Tank Dixell Setpoint vs Weather Compensation Flow Temp on Altherma 3M Heat Pump... Will It Ever Trigger?

 
Thermostats, Volumisers, Buffer Tanks, TRVs, Pumps, Piping, Valves, Radiators & Controls
Last Post by Lbart68 3 hours ago
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 Lbart68
(@lbart68)
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Topic starter 15/05/2026 12:59 pm   [#3000]

Hello, I am completely new to heat pumps having moved into a house with one I wasn't involved in the install etc so trying to understand it all.

I'm trying to understand around the buffer tank and the set point on the dixel controller. What should the set point be set to as I understand that it only triggers the circulation pump when it reaches that +2c but if the WD curve is currently 25C and the set point is 30c, it won't ever reach it I thought? Sorry if this is dumb question 


This topic was modified 1 hour ago by Mars

   
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