Last seen: May 14, 2025
43 13 = "Backup heater set point during Frost protection" which I guess means that if you have a backup heater, that's when it will start to help with...
I'm close enough to the pump to hear it running, but the compressor isn't on, just the pump. And it ties in with the outdoor temp being between 3C and...
I've just checked on my controller and Frost Protection symbol isn't on, even though Frost Protection is running. The explanation of all of the symbol...
This is part of the Grant's 'frost protection' system (as opposed to the 'defrost cycle' which we're all familiar with in this type of weather!), whic...
Same to you. Thanks for providing this forum for people to learn from and to teach each other. Here's to a higher COP and a lower energy bill in 2024!
@heat_help Hi. You seem to be saying "flow rate" at some points and "flow temperature" at others? As you probably know, the flow rate on a Grant is fi...
@jwilliams89 The house is around 150m2, split 110/40 (it's a converted bungalow, which is why the split is so unbalanced). Hence the K3s are downstair...
@jwilliams89 From my experience, the radiators were sized correctly. I have 5 (I think) large K3s downstairs. One is 84Kg empty, so you need something...
@allyfish This sounds very positive, although I'm a little sceptical at the moment. I hope they can retrofit these better controls, as the current one...
I believe 'holiday mode' achieves the same thing i.e. during the times you mark as holiday, a fixed temp target is set. This tends to be controlled by...
Good that they are discussing EPCs and how they don't favour ASHPs. The whole EPC rating system is a joke at the moment - no training, no standards, ...
@jwilliams89 As someone who's had a Grant installed under ECO4, part of the problem (I suspect) is in the company trying to tick all of the required b...
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