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HarriUp
@harriup
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Joined: Nov 25, 2021
Last seen: Jun 28, 2025
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Topics: 1 / Replies: 107
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Reply
RE: Ecodan - rubbish data

Yep, the self-measurement of the Ecodans is highly inaccurate. For January mine gives me a consumed estimate of 687kWh against a metered value 631kWh....

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Ecodan Melcloud temperature control with compensation curve

-39C means that the software running the FTC is a buggy version that needs to be updated. There is a firmware check in the MelCloud app, I presume thi...

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

No, free to use! I guess Mitsubishi get the benefit of a broad swathe of performance data they can analyse and then also access the data on individual...

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

You need a wifi connector box from Mitsubishi, supplied as standard now but probably not at the time of your install as you don't have one. It costs a...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Mitsubishi Ecodan & MEL Cloud

The freeze stat setting has the flow temp of 20C which is not alterable, but an activation temp from 3-20 or ** which turns the setting off, which you...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Mitsubishi Ecodan & MEL Cloud

If the system isn't big enough then you will just get a bit colder as it fails to generate the flow to match the house heat loss, but at much lower ex...

3 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 think anyone who buys a heat pump realises they get a free hobby with each purchase! Understanding how to use it effectively is a per user sol...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Mitsubishi Ecodan & MEL Cloud

Changing the target temperature via MelCloud should be of no interest to the FTC then as it just using the curve in its calculations. If I go to the a...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Mitsubishi Ecodan & MEL Cloud

Why the adjustment controls on the MelCloud app change or freeze/unfreeze is an issue that I suspect only a call to the MelCloud related support line ...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Help me understand what's happening with my Ecodan!

After you have boosted the slab and got it really warm and then switched back to WC control, the LWT is defined by the external temp. At -3 it is fine...

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

These figures are for total usage – I think I assumed they were just grid import, but fortunately not! But they are total house usage, only reading th...

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

Ok, so if I understand correctly, you have a PV array linked to this app, which also measures total house usage somehow. I presume these figures are f...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
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