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Gary
@gary
Member
Honorable Member
2644 kWhs
Joined: Feb 8, 2023
Last seen: Mar 10, 2025
Topics: 1 / Replies: 304
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RE: -20c room temperature on Ecodan with P1 code

If you have a Mitsubishi wireless controller then it should be set to Room RC not Main RC, if you use Main RC it will now be using the main controller...

4 days ago
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RE: -20c room temperature on Ecodan with P1 code

That is the target room temperature and if its showing -20C then its not getting a temperature signal from the thermistor. Are you using the main co...

4 days ago
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RE: Anyone able to provide some feedback before I make my finale decision? Samsung vs Baxi vs Vaillant

The heat pump is the least important part of the system its everything else that makes the difference to efficient running and comfort, so focus on th...

4 days ago
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RE: My Journey to Finding the Best Heat Pump for My Home in France

Sounds like you have done a lot of research, in general the performance of a heat pump takes a very long 2nd place compared to system design, so shoul...

5 days ago
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RE: Auto adapt and the curve

What does the front display of your main controller show you can offset the weather comp curve from there. No one other than Mitsubishi really knows...

6 days ago
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RE: question, what happens during the transition from winter to summer?

You are correct the heat pump will cycle on and off at any temperature if it cannot modulate down far enough to maintain the flow temperature. Open l...

1 week ago
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RE: Ecodan Auto Adapt

I replied on your other thread it won’t make much difference as autoadapt can deviate by default +\- 5C and will adjust the flow temp accordingly so u...

2 weeks ago
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RE: The Definitive Guide to Weather Compensation and Curves for Air Source Heat Pumps

@plasfron I don't believe it matters which mode you are running in, if your thermostat is satisfied it will turn off the heat pump, that's why I said ...

2 weeks ago
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RE: The Definitive Guide to Weather Compensation and Curves for Air Source Heat Pumps

@plasfron Need a few more details about your heating system to be able to comment fully but here are some questions/comments for starters. Is it all...

2 weeks ago
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RE: Oversized Ecodan

If you are concerned about cycling all you can do is run it a few degrees warmer till you either get no cycling or reduce it to a level you are happy ...

2 weeks ago
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RE: Fujitsu Waterstage WOYG160LJL Air Source Heat Pump

@barrovian1963 the thermostats are wirelessly connected to the wiring centre, the wiring centre is connected to the heat pump, when a thermostat calls...

2 weeks ago
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