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hum/whine from Wilo circulation pump

 
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Air Source Heat Pumps (ASHPs)
Last Post by Toodles 3 months ago
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Toodles
 Toodles
(@toodles)
Famed Member Contributor
Joined: 3 years ago
Posts: 1930
30/01/2025 11:08 am  

@richard24738 Good to hear you are getting there now, we have a bedroom that gets the most solar gain in the whole house and we resort to a limiting setting on a Hive PTRV to control this.Good Tweaking, Toodles.

Toodles, he heats his home with cold draughts and cooks his food with magnets.


   
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 grumpidoc
(@grumpidoc)
Active Member Member
Joined: 4 months ago
Posts: 11
Topic starter 12/02/2025 8:28 pm  

@toodles @richard24738 and @gary  Just reporting back. It became clear that much of the noise was from the primary pump. We have finally had a visit from the installer who removed some debris from the filter, and turned the Wilo primary pump down from 3 (which gave a flow rate above the recommended on the FTC controller) to 2 which has helped a lot. Even better, my other half - who is usually much more confident and technically minded than me - now feels comfortable that we can further experiment without the risk of causing damage. So thank you all for your very helpful input to a pair of newbies.

I have lots more questions about other aspects of the heat pump, but I think they need to go in a new thread!


   
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Toodles
 Toodles
(@toodles)
Famed Member Contributor
Joined: 3 years ago
Posts: 1930
14/02/2025 3:53 pm  

@grumpidoc Glad to hear that the speed change has improved matters; please ‘enquire within’ in the future as someone on the RHH is almost certainly ‘been there -done that’ and will be able to advise.😊 Toodles.

Toodles, he heats his home with cold draughts and cooks his food with magnets.


   
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