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Unsure
@unsure
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Joined: Oct 26, 2025
Last seen: Apr 14, 2026
Profile Activity
Topics: 3 / Replies: 10
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RE: Can anyone explain the following behaviour with a Grant Aerona 3 R30 / Smart Controller?

Final Update. Yesterday, I was going through the motions of looking at how each menu impacts the Set Back flow temp. I considered the combination of...

10 hours ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Can anyone explain the following behaviour with a Grant Aerona 3 R30 / Smart Controller?

I’m going to take a look into what you’ve said over the next few days. I’ve also invited others from another forum who’ve been offering help who have ...

3 days ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Can anyone explain the following behaviour with a Grant Aerona 3 R30 / Smart Controller?

Indeed, what were they! Everything relates to air temp in the manual.   The target indoor temp was 10 Degrees; the WC was set very low as an ...

3 days ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Can anyone explain the following behaviour with a Grant Aerona 3 R30 / Smart Controller?

I’m using WC with a Stat attached. This is the standard setup with the Smart Controller. The manual points to a relationship between the Air and Flow ...

3 days ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Can anyone explain the following behaviour with a Grant Aerona 3 R30 / Smart Controller?

I have the Grant Volumiser. There are no secondary controls, just the Smart Controller (EcoNET). Each time I approach Grant about this issue, I’m told...

3 days ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Can anyone explain the following behaviour with a Grant Aerona 3 R30 / Smart Controller?

  The set back periods are 8 1/2 hours (between 9:30pm - 6:00am). The chart showing the spikes is one set back period (8 1/2 hours).  

3 days ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Who do I complain to about a poor ECO4 installation, can anyone advise?

Ask one of the mods to message me and I will put you in contact with someone who went through the same situation.

5 days ago
Forum
Air Source Heat Pumps (ASHPs)
Topic
Can anyone explain the following behaviour with a Grant Aerona 3 R30 / Smart Controller?
5 days ago
Forum
Air Source Heat Pumps (ASHPs)
Replies: 13
Views: 138
Topic
For owners of the Grant Aerona and Smart Controller combination : a question about thermostat behaviour
5 months ago
Forum
Air Source Heat Pumps (ASHPs)
Replies: 0
Views: 322
Reply
RE: Grant Aerona: Is there a setting to keep the 2-port valve open during pump blockade

@grahamF Only the comments I've received from old school HVAC engineers in the states and nordic countries. There is a logic to what they're sayi...

5 months ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Grant Aerona: Is there a setting to keep the 2-port valve open during pump blockade

I ran it last winter 24/7 with no stat. Feeling smug, I told Grant that for over 14 weeks my heat pump only cycled once. That was met with Whoaa! that...

5 months ago
Forum
Air Source Heat Pumps (ASHPs)
Topic
Grant Aerona: Is there a setting to keep the 2-port valve open during pump blockade
5 months ago
Forum
Air Source Heat Pumps (ASHPs)
Replies: 9
Views: 754
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