Last seen: Jan 9, 2026
@jamespa Can I check something that I done some weeks ago. My underfloor manifold is set via the 12 flow gauges to a total of 20 l/m. In the UI of ...
JamesPa Thank you for your very detailed reply. It's going to take me sometime to get to grips with this. I have started to keep a record of whats g...
In mild conditions, yes I turn the heating off. This is done by putting the Heatmiser thermostat on the wall into the off position. So there is abso...
@jamespa I have annotated the image to show what was going on. This was a manual run because we had 13C outside. Hope this helps.
Is this the Themo Off timing that your referring to? Just need to clarify. Just had another power cut, 3rd in just over a week.
@jamespa I have been back into settings. There is nothing set.
JamesPa Sorry I missed that. Have checked, nothing set in the that area.
Sorry I was unable to find that setting.
I have been in the system and done some images of what I found. Not the same as your details. I didn't find an ECO setting.
JamesPa This yesterdays run. In manual mode, so I turned the heating off and on. It was 13C OAT yesterday. But the off cycle between 6 and 10 was...
From memory of conversation with Hitachi, it's not a setting in the SW, it's a manual configuration of the buttons and switches on the control boards....
It the last cold spell, there was a thin layer of ice under the HP (about 3mm thick). Based on my measurement that each defrost cycle produces 1 litr...
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