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william1066
@william1066
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Joined: Jan 5, 2023
Last seen: Feb 13, 2024
Profile Activity
Topics: 0 / Replies: 206
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RE: Help me understand what's happening with my Ecodan!

@derek-m The pump keeps running, seems the compressor switches off. room temp is 20.6 (added to chart below)

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Warmer Homes deal

This seems very strange. Is the UFH electric or water? #1 You would be crazy to put a whole lot of oversized radiators on the walls and then render ...

2 years ago
Forum
Government Schemes, Regulations, Planning & Organisations
Reply
RE: Help me understand what's happening with my Ecodan!

II have a related issue, think the cause is similar to yours After "charging" the UFH over night (100mm concrete slab) when I reduced the flow temper...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Heat pump delta T too low - 2c

@iancalderbank In the end I have gone for the VRG133 and ARA645. the 645 switches in 30 seconds, which I am fine with. So just need to decide on the f...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Vaillant Arotherm monobloc error f.788 - ASHP is not working!

afaik some Samsung heat pumps won't start the compressor if the water temperature in the pipe is less than 10 degrees. I have not needed to do this b...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: ECODAN COP envy

Pretty impressive given the location.

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: ECODAN COP envy

Are these collecting thermal energy and PV energy?

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Heat pump delta T too low - 2c

This is mostly a vanity exercise in CoP, so not not strictly needed, but good to have the option to explore the limits of CoP. Once we are finished t...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Heat pump delta T too low - 2c

Indeed, that would be wise, my situation is complicated [you don't want to know 😀] TLDR version - oil boiler died - bought heat pump - heat pump ins...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Heat pump delta T too low - 2c

It seems so, this diagram to a while to decipher. Heat Geek Towers runs at about 0.8 lps, the max for the 16kW samsung is 58 lpm....

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Heat pump delta T too low - 2c

It looks a lot smaller, esp the actuator, and I have one of their mixing valves picked up off ebay, quite like it. Specs for the VRG330 below (the b...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Heat pump delta T too low - 2c

@iancalderbank Thanks for that. I quite like the ESBE diverters, but can't seem to get the one I need here in UK. Also trying to connect 28mm to 1 1/...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
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