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Clockworks
@clockworks
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Trusted Member
Joined: Jan 22, 2025
Last seen: Jul 18, 2026
Topics: 4 / Replies: 55
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RE: Ecodan 6kW - is it "cycling", or normal operation?

Melcloud graph for the last 24 hours. I have the heating scheduled to go off at 20:00 and back on at 23:30. This is because I'm on an EV tariff with c...

1 year ago
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RE: Ecodan Legionella cycle - immersion heater problem

Ran the Legionella cycle again overnight, with the thermostat on its highest setting. It did eventually reach 60 degrees, after 2 hours. The cycle ...

2 years ago
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RE: Ecodan Legionella cycle - immersion heater problem

Can't the suppliers, or at least the smart meter network people, tell when local demand is straining the grid by just looking at the supply voltage at...

2 years ago
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RE: Ecodan Legionella cycle - immersion heater problem

To be fair, the total demand for the period was a maximum of 3kW - the ASHP goes idle while the immersion is running. In contrast, my electric car's...

2 years ago
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RE: Ecodan Legionella cycle - immersion heater problem

The Mitsubishi controller only allows for setting the Legionella cycle start time in hourly increments. All the other timers/schedules are adjustabl...

2 years ago
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RE: Ecidan Legionella cycle - immersion heater problem

Seems like I can't force it to run a Legionella cycle, and setting it to run at 11:00 daily didn't work, presumably because it knew it had already run...

2 years ago
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RE: Ecidan Legionella cycle - immersion heater problem

Reading the thread linked to, very similar setup to mine. To me, it seems like the installers have made an error by fitting an immersion that will c...

2 years ago
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RE: Ecidan Legionella cycle - immersion heater problem

I've had a closer look at the immersion heater. It seems that this model (Thermowatt RTS 3 ERP) is available in 3 different versions. I managed to fin...

2 years ago
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RE: Ecodan 6kW - is it "cycling", or normal operation?

It has cavity wall insulation, and reasonable loft insulation over most of the rooms. All widows are double-glazed. Windows are quite large, but we ha...

2 years ago
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RE: Ecodan 6kW - is it "cycling", or normal operation?

Thanks for confirming that what I'm seeing is just "how it is" with the design of the Ecodan. It puts my mind a rest to a degree - not perfect, but...

2 years ago
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RE: Ecodan 6kW - is it "cycling", or normal operation?

The graphs I posted yesterday were with all the smart TRVs permanently set to 30 degrees, so the rads were all "open" from about 09:00. This did red...

2 years ago
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