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Clockworks
@clockworks
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Trusted Member
Joined: Jan 22, 2025
Last seen: Aug 18, 2026
Profile Activity
Topics: 4 / Replies: 59
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RE: Mitsubishi Ecodan FTC6 settings

Thanks for that link. I've had a quick read of it, and it makes it a lot clearer.   On the issue of what happens if the dongle dies, presumab...

2 months ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Mitsubishi Ecodan FTC6 settings

OK, I've done the update, and it's still working, so I've had a closer look at what it can do. Since my basic WC curve works fine on a normal overca...

2 months ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Mitsubishi Ecodan FTC6 settings

I've not done anything with it, beyond looking at the various entities that are exposed. It's saying that there's an update available, so I'll do that...

2 months ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Mitsubishi Ecodan FTC6 settings

OK, I bought one of the dongles q couple of weeks ago, finally fitted it this morning. Powered up the FTC6, and was a bit surprised that the heatpum...

2 months ago
Forum
Air Source Heat Pumps (ASHPs)
Topic
Multi-split AC sizing?
3 months ago
Forum
Air Source Heat Pumps (ASHPs)
Replies: 4
Views: 540
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RE: Mitsubishi Ecodan FTC6 settings

Major and f1p - thanks for the very detailed replies. I've had a read through of the dongle documentation, and it looks ideal for what I want to do ...

3 months ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Mitsubishi Ecodan FTC6 settings

My WC curve is set at 32 degrees at OAT 15 degrees. 48degrees at minus 2. Settled on these numbers after a lot of tweaking. I haven't touched if for a...

3 months ago
Forum
Air Source Heat Pumps (ASHPs)
Topic
Mitsubishi Ecodan FTC6 settings
3 months ago
Forum
Air Source Heat Pumps (ASHPs)
Replies: 20
Views: 1507
Reply
RE: Ecodan Legionella cycle - immersion heater problem

Just to close this. Finally had the installer back last week to fit an immersion thermostat with a higher rating. As expected, no more rapid s...

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Ecodan 6kW - is it "cycling", or normal operation?

Rather than disconnecting the Evohome boiler relay, I've added a switch across the relay contacts. This way, I can either have it on continuously, or...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Ecodan 6kW - is it "cycling", or normal operation?

The reason why the pumps were stopping is because the heating was switching off. The Evohome controller starts "modulating" the BDR91 boiler relay a...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Ecodan 6kW - is it "cycling", or normal operation?

I'm struggling to understand the "logic" used by the FTC6 to run the compressor and pumps. Graphs from today, 8 degrees OAT, WC curve target is 40 d...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
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