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Richard24738
@richard24738
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Estimable Member
Joined: Mar 14, 2024
Last seen: Jun 3, 2026
Profile Activity
Topics: 6 / Replies: 98
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Reply
RE: hum/whine from Wilo circulation pump

@johnr I think I may have missread something somewhere as I now understand that the secondary pump flow rate should be equal to or greater than the pr...

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: hum/whine from Wilo circulation pump

@johnr Hi. I think I may have missled you in that my buffer is configured in exactly the same way as you describe. Whats a little bit concerning for...

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: hum/whine from Wilo circulation pump

@toodles Thanks. I haven't forgotten you. Due to the low outside temperatures, my ecodan is going into anti-freeze at night when the set back means ...

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: hum/whine from Wilo circulation pump

@johnr Thank you for explaining how your buffer is connected and the details of the temperature at each of the four ports. Both &toodles and I h...

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: hum/whine from Wilo circulation pump

@toodles Of course the difference between the Daikin and Mitsubishi is that the Daikin has a built in primary circulating pump, controlled by the Daik...

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: hum/whine from Wilo circulation pump

@grumpidoc Please remember I am just a new heat pump user and not a heating engineer but I have picked up a few things on my journey! None of the belo...

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: hum/whine from Wilo circulation pump

@grumpidoc You may be interested in what I have done to reduce my system noise. My system is Ecodan 11.2kw > Primary Pump (Grundfos UPS2 25-80) &...

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Ecodan - Auto Adapt

@boycey Yes, the thermostat on my Ecodan is on the back in the top corner. When the engineer replaced the thermostat, I suggested that it could perh...

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Ecodan - Auto Adapt

@boycey Legionairres taking too long: Mitsubishi diagnosed a defective immersion heater. Installer is coming next week to replace it. Outside temp...

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Is my Ecodan well installed and setup?

@trbob I went down the Mitsi Engineer route unfortunately with the fee. Report has just come in to say that the immersion had "irregular figures whe...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Ecodan - Legionella Operation Time and Target Temperature

@trbob Very interesting. It took round about an hour for your immersion to get from 49.5 to 59.5. Probably acceptable It looks like the Mitsi soft...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Ecodan - Auto Adapt

@toodles I guess you are trying to create a bit of shade. Not sure if the wife will agree to blocking the kitchen window and to be honest, unless it...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
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