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Grantmethestrength
@grantmethestrength
Member
Reputable Member
Joined: Feb 1, 2025
Last seen: Dec 2, 2025
Profile Activity
Topics: 7 / Replies: 146
AllTopicsReplies
Topic
Grant Aerona3 - Home Assistant control via Modbus
8 months ago
Forum
Air Source Heat Pumps (ASHPs)
Replies: 60
Views: 5101
Reply
RE: Grant Aerona3 13kW Noisy pipes after balancing

Thanks guys, I will open up the valves again and check the dipper switches when I get home tomorrow. Quick follow up question, if the flow has been li...

10 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Grant Aerona3 13kW Noisy pipes after balancing

@johnr This what I find a bit confusing, I thought that if the temps are the same or a small DT then no heat is leaving the emitter it is just flushin...

10 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Grant Aerona3 13kW Noisy pipes after balancing

The reason I tried to balance the system is that I have no confidence in the install. I know you are meant to run the system as wide open as possible ...

10 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Grant Aerona3 13kW Noisy pipes after balancing

Cheers @toodles I suspect that some of this install is merely “new” to us! I am currently looking at building my own homely “clone” using Home Assist...

10 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Grant Aerona3 13kW Noisy pipes after balancing

Cheers @Toodles, the flow rate at the minute is roughly 25/26 l/min (such a rubbish gauge!) flow temp 36c, return 33c and the pump is belting out 4,30...

10 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Grant Aerona3 13kW Noisy pipes after balancing

Well after a quick run around, bled the rads again (should have done that after I found another leak yesterday mid balancing!). I have opened all the ...

10 months ago
Forum
Air Source Heat Pumps (ASHPs)
Topic
Grant Aerona3 13kW Noisy pipes after balancing
10 months ago
Forum
Air Source Heat Pumps (ASHPs)
Replies: 15
Views: 1397
Reply
RE: Grant Aerona3 with Octopus Cosy tariff

@jamespa Thanks for the words of encouragement I dialled down the weather comp to 38c @ 0c last night and even though it was 0 outside the house neve...

10 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Controversial opinions - pure weather compensation, buffer tank, heat loss, oversized heat pumps

@uk_pete_2000 no worries I am really standing on the shoulders of giants here and just trying to get it to work for me so happy to share.

10 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Is the Grant controller a thermostat?

@davidm06 a bit more detail here.

10 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Is the Grant controller a thermostat?

@uk_pete_2000 Sorry I should have explained better that is the reading off the modbus register 33 “indoor temperature master actual” which I think is ...

10 months ago
Forum
Air Source Heat Pumps (ASHPs)
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