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Derek M
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Derek M
@derek-m
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Illustrious Member
Joined: Mar 4, 2021
Last seen: Sep 19, 2024
Profile Activity
Topics: 7 / Replies: 4405
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RE: New installation not quite right, advice sought

@guthrie The red and white vessels will be expansion tanks, one for the heat pump water circuit and the other fro the Domestic Hot Water (DHW). To...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Do setbacks save energy without compromising comfort?

@cathoderay Have a look at page 143 of the attached manual.

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: ASHP heating issues / error code - advice very much appreciated

Welcome to the forum. I cannot see an error 01 in the manual for an Ecodan, which may or may not be relevant. When you say the heat pump is running...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Do setbacks save energy without compromising comfort?

@cathoderay It is quite simple really. Like decimal, binary can be represented in rows and columns. Decimal. Binary. Tens. Un...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Do setbacks save energy without compromising comfort?

A further factor to consider is how the setback is achieved. If it is by using the WC offset, it may just be reducing the LWT by the offset, and raisi...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Do setbacks save energy without compromising comfort?

@cathoderay I fully agree that the heat loss will reduce as the IAT reduces at a constant OAT. If the LWT is now returned to the value it was prio...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Do setbacks save energy without compromising comfort?

@cathoderay Many thanks Ray.

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Do setbacks save energy without compromising comfort?

@cathoderay If you can provide all the variables covering the past week at 1 minute intervals that should be more than adequate.

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Do setbacks save energy without compromising comfort?

What you suggest is fine whilst the weather is reasonably mild, although inclement. My concern would be when the temperatures get colder, the IAT woul...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Do setbacks save energy without compromising comfort?

I suspect the recovery is taking longer today because the IAT was lower, and because you are limiting the permitted LWT increase to 3C, this in turn i...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Ecodan Long Cycling and AA behaviour in one day.

@sunandair I suppose the starting point would be to try to ascertain if your desired control philosophy is actually achievable. If you expect (as ...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Vaillant AroTherm controls issue

@josephiah When the clocks changed, did you manually change the time on the controller or did it occur automatically? Try changing the time back to ...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
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