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Last seen: Oct 31, 2026
@editor Hi Mars Just reading the ultimate heatpump guide - which looks to be a good general introduction for home owners to heatpumps. I apolog...
And a picture of cylinder and surrounding pipe work would help.
Could do to know what control mode you are using - weather comp or Auto adapt - from your trend looks like you are using weather comp but I’m not too ...
I looked at the trend in the link for booster - I see the booster on flag set but don’t see any corresponding rise in flow temp gets- makes me think y...
Some of this stuff is getting quite technical so let me know if not clear. From memory disabling booster requires changing DIP switch settings insid...
Ref stopping and needing booster to get back up to temp - that sounds like something not set up right. Personally I would disable any booster heater a...
By the way don’t leave it in fixed temp mode - very inefficient - just use it for balancing.
Ref radiator removal- have you checked system pressure - should be about 1.5 bar, might need topping up if you’ve had a rad off.
Did you get any handover pack from your installer? This should state if glycol antifreeze has been added and what concentration.
Also important that UFH is balanced correctly for same reason.
@goodbyegas Well you are warm and your flow temp at 3 Deg outside temp is only 35 degrees so you should be getting pretty decent COP. Hopefully it ...
@robs I didn’t have the OAT for the full range of data so that’s probably why.
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