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rhh2348
@rhh2348
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Estimable Member
Joined: Feb 2, 2024
Last seen: Jul 1, 2026
Profile Activity
Topics: 9 / Replies: 93
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RE: Ecodan - flow rates, sensors, settings

It can be controlled using PWM (profile A), yes, but we don't have a 2nd plug connected at present. I think this is the next area I'm headed ...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Ecodan - flow rates, sensors, settings

It's on the return before the mag filter so I assume so. Good points. Yep, already done/doing - though it feels like the effects on readin...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Ecodan ASHP - How to optimise my set up?

That would seem logical, however do you know if the FTC (via pump speed setting) can control third party pumps, or only their own? I know the Grundfo...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Ecodan - flow rates, sensors, settings

As mentioned above, the one I have 1) has the MITSUBISHI suffix after the VVX20, and 2) states 5..80 lpm on the front - I can't find much info or suff...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Ecodan ASHP - How to optimise my set up?

Again, thank you for another thorough post, @derek-m - will revert once I've digested / understood and prepared a cohesive, relevant response!

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Topic
Ecodan - flow rates, sensors, settings
2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Replies: 27
Views: 12050
Reply
RE: Ecodan ASHP - How to optimise my set up?

A bit of a late response to this reply, however thank you for doing so, @sunandair. I've done some more reading around this since my previous post, ...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: How Do Compressors and Frequency Affect Heat Pump Efficiency?

Thanks for the reply, @editor Mars. Interesting. I've not been monitoring mine long but I've not seen it above 58Hz (on normal DHW function onl...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: How Do Compressors and Frequency Affect Heat Pump Efficiency?

Brendon, Any ideas what the frequencies are that the Ecodan (6kw) works at/steps up+down to/from, including any correlating to 'full power' (running...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Ecodan - optimal external installation?

I'd appreciate anyone's thoughts on this, having read in one or two posts (I now can't find...) that longer hoses can reduce/eliminate vibrations trav...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Ecodan - optimal external installation?

Yes. Where would the optimal position and method of stepping down? I assume nearest the unit, so at the unit's inlet/outlet - but not sure how. ...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Best base for 6kW Ecodan heat pump external unit

This comment has me thinking whether adding concrete/slabs may introduce the possibility of vibrations, when some flexi feet (to raise off ground) on ...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
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