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SUNandAIR

@sunandair

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Noble Member

Joined: Dec 30, 2022
Last seen: Oct 22, 2025

Topics: 5 / Replies: 499

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RE: Do setbacks save energy without compromising comfort?

I’m a bit lost on this thread can someone enlighten me if the topic has changed? It was : “Do setbacks save energy without compromising comfort?” ...

2 years ago

Forum

Air Source Heat Pumps (ASHPs)

RE: Do setbacks save energy without compromising comfort?

Of course... I’m sure it will be enlightening.... btw ive attached the following hourly chart showing the modulated operation for 56 minutes (not 30...

2 years ago

Forum

Air Source Heat Pumps (ASHPs)

RE: Do setbacks save energy without compromising comfort?

@rod and Derek.... fascinating graph esp to see the kw used to restart heating after defrost. I can’t get that overlay on my graphs. However there i...

2 years ago

Forum

Air Source Heat Pumps (ASHPs)

RE: Optimising ecodan ASHP

That’s ok… if you’re getting the room temperature you want at all outside temperatures then you may as you say, be lucky and have got the right WCcurv...

2 years ago

Forum

Air Source Heat Pumps (ASHPs)

RE: Optimising ecodan ASHP

This is exactly the same issue we had with our installation a year ago. We had the missing energy data. We also had a 3rd party thermostat which meant...

2 years ago

Forum

Air Source Heat Pumps (ASHPs)

RE: Icy cold weather, weather compensation and consumption

30th November was a bit cold we operated a setback to 16C and still got a TOPUP in the middle of the night Room temp is black line. Green is Outsi...

2 years ago

Forum

Air Source Heat Pumps (ASHPs)

RE: Do setbacks save energy without compromising comfort?

this mornings HP activity here concurs with harryup and cathoderay Regarding defrosting. the fan definitely stops so there is just the circulating p...

2 years ago

Forum

Air Source Heat Pumps (ASHPs)

RE: Flushing an ASHP system (and UFH) questions

Have you had the strainers and metal filters cleaned out? There is a sump on the isolation valve on the outdoor return pipe which has a steel strainer...

2 years ago

Forum

Air Source Heat Pumps (ASHPs)

RE: Do setbacks save energy without compromising comfort?

Hi Kev and Ray Our heating was on a low setback so it was inactive for heating purposes. This allowed us to see the auto-reheat for defrost purposes...

2 years ago

Forum

Air Source Heat Pumps (ASHPs)

RE: Flow temperature up and down like a yo-yo

Hi Greekgod I thought you might have known…. All heat pumps are made by the Greek goddess of Mischief, Delusion and Folly. Have you or your installe...

2 years ago

Forum

Air Source Heat Pumps (ASHPs)

RE: Ecodan Room Temperature Mode

Morgan, try this Mitsubishi video. It shows how to set a On off schedule and vary temperatures along the time line. Just remember that Auto adapt...

2 years ago

Forum

Air Source Heat Pumps (ASHPs)

RE: Do setbacks save energy without compromising comfort?

here is yesterday’s temp drop chart. I forgot to include And todays so far

2 years ago

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