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mjr
@mjr
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Joined: Feb 23, 2022
Last seen: May 7, 2026
Profile Activity
Topics: 2 / Replies: 301
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Reply
RE: Yearly maintenance

Have you? Our declaration only asked if it's still in good working order.

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Yearly maintenance

Might void your warranty. I don't know if anything is recorded in the controller or with Mitsubishi. Can you remember which company did it? I beli...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Ecodan. How to run this efficiently with zero understanding.

I take no credit for it. Reading and resetting this json stricture is the basis for the melcloud libraries in Python, PHP, perl and some programming l...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Ecodan. How to run this efficiently with zero understanding.

I think my FTC panel only changes the outdoor unit's internal pump speed. My central heating circulation pump has its own independent control panel (w...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Ecodan. How to run this efficiently with zero understanding.

Yes, but you probably ain't gonna like it: 1. Open the case and look. 2. Open Web Developer Tools in Firefox (or equivalent in other browsers), sw...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: My Mitsubishi ASHP has used 1078kWh from 25 November to 31 December – Help please

The EPC maybe not, but without the heat loss calculations it would be difficult to know whether the pump is correctly sized: too small and it won't be...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: My Mitsubishi ASHP has used 1078kWh from 25 November to 31 December – Help please

I don't know which version of the ecodan introduced Auto Adaptive mode, but the icon next to the temperature in the photo shows a thermometer in a ho...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Ecodan. How to run this efficiently with zero understanding.

It says the same in the FTC5 manual, but it did seem to have an impact in my testing of Auto-Adapt mode. Lengthening the interval seemed to reduce the...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: My Mitsubishi ASHP has used 1078kWh from 25 November to 31 December – Help please

Agreed. The manual seems to be incomplete. It says what the controls are and how to access them, but not really what they do to the machine. The ecoda...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Keystone COPs? I'm not getting the efficiencies I expected on my Ecodan.

Well, it's an excuse to test the Blockly logic programmer in domoticz, so I did this with some slightly different trigger points: If I need to rew...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Keystone COPs? I'm not getting the efficiencies I expected on my Ecodan.

I suspect the ecodan algorithm works much as @derek-m has outlined in the past, but one obstacle to an open-source control is that it seems like the c...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Keystone COPs? I'm not getting the efficiencies I expected on my Ecodan.

There is no firmware download that I could find, so I suspect one might have to intercept the data as a unit upgrades, which would mean running somet...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
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