Last seen: Nov 26, 2025
Thats a lot of defrosts although in fairness my Vaillant gets up to one per hour at times I don't know what you can do, if there are plants or anyth...
I think your concerns about abnormal refrigerant temperatures have been answered in this post. Once we have some data we can look at whether the fre...
@sim0n0 Sorry to hear that. Putting the past aside would you like to describe the current problems and tell us a bit about your system and house in...
Maybe. It says 'outdoor evaporating temperature' (not refrigerant temperature) - its not clear what that means and the graph seems to define a region...
The dominant loud noise is the compressor or fan which you expect to be working at max during defrost. The background rattle could just be ice, ice ...
Curious that it reduces the flow rate at higher flow temp. I wonder what the logic is of that? If it were looking to maintain a specific DT then it ...
I'm not so sure this is a great surprise, there is not much it can do about DT unless it can ramp up the water pump speed, which at some point it will...
@crimson Noted. At least you now have a confirmed route forward and a warm house. That, in itself, is a step forward however frustrating ...
Or just commission a plumber to do the replumbing? As soon as you touch it your installer will argue that it voids the warranty and I doubt any thir...
So sort of progress, but...are you certain its going to be OK when it gets cold again? Obviously thats the case, it always is! OK well at le...
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