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JamesPa
JamesPa
@jamespa
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Joined: Apr 3, 2023
Last seen: Oct 10, 2026
Profile Activity
Topics: 27 / Replies: 5479
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Reply
RE: Replacing my 18 month old Hitachi Yutaki ASHP

Setback is in the user menu - time clock/schedule or similar.

11 months ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Replacing my 18 month old Hitachi Yutaki ASHP

Thats a shame if its true. However there are some parameters on the controller that seem to relate to this, I pointed to them a few posts back. Capt...

11 months ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Replacing my 18 month old Hitachi Yutaki ASHP

@trebor12345 Well that is interesting. Note that even without defrost the FT fell to ~28 overnight. I now suspect you have a setback operational...

11 months ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Replacing my 18 month old Hitachi Yutaki ASHP

Not unless its obstructing water coming our or causing a slip hazard.

11 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Replacing my 18 month old Hitachi Yutaki ASHP

I think your way forward is to get this pump operating in weather compensation mode. That should avoid the need continually to tweak settings (once i...

11 months ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Replacing my 18 month old Hitachi Yutaki ASHP

Noted. Somehow it needs a slope if its causing a problem, if not I wouldn't worry, no need to make work   Whilst you are checking things it ...

11 months ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Replacing my 18 month old Hitachi Yutaki ASHP

Water flows downhill! You need to create a fall somehow from where the water exits the heat pump. Mine has a drain hole in the bottom of the outdoo...

11 months ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Replacing my 18 month old Hitachi Yutaki ASHP

Manuals are here Or more generally here If you put in the first part of the model number it finds relevant manuals. Best to apply a filter...

11 months ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Replacing my 18 month old Hitachi Yutaki ASHP

Thats an interesting point - @trebor12345 does condensate collect near or under the heat pump or is it drained away. We now know that @trebor12345 h...

11 months ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Replacing my 18 month old Hitachi Yutaki ASHP

No need to change anything, just to capture current values. Without this information we literally don't know what we are dealing with!  

11 months ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Cosy home (?)

Yes, sorry.  

11 months ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Replacing my 18 month old Hitachi Yutaki ASHP

Thanks. Are you saying night shift is 'on'. If so what are the parameters for it?

11 months ago
Forum
Air Source Heat Pumps (ASHPs)
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