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Gary
@gary
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Prominent Member
Joined: Feb 8, 2023
Last seen: Jul 31, 2025
Profile Activity
Topics: 2 / Replies: 348
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Reply
RE: New ASHP system - choices

House is detached 180sqm 7kw heat loss from survey. I get an SCOP of around 3.5 for heating.

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: New ASHP system - choices

@mattc My 2p worth, Ecodan's don't modulate down well so avoid a larger unit if its not required as it will inevitably cycle badly at milder temps. T...

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Are Solar Diverters Necessary for Homes with ASHPs and Solar PV?

I do the same, 250L tank heated to 47C overnight, no reheat required to get us through a normal days usage.

1 year ago
Forum
Solar Thermal & Power Diverters
Reply
RE: MelCloud Outage

All data back since 8pm last night for me

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: MelCloud Outage

There was a notification in the app, less than a day after the outage started, it stated there was a an outage and that their software engineers were ...

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: ASHP Cut-off Temperatures: What's Your Setting and is a Your Heating Still On?

I don't have auto turn off either but manually change it over to cooling the UFH if its gets too hot in the summer

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Are Solar Diverters Necessary for Homes with ASHPs and Solar PV?

I think solar diverters are obsolete for new installations with ASHP and solar PV from both a financial and environmental perspective. As you have ...

1 year ago
Forum
Solar Thermal & Power Diverters
Reply
RE: Creating a second zone on Mitsubishi Ecodan ASHP

@bryanb There are known to be mistakes in the manual, so don't treat it as gospel, afaik SW2-6 is if you have a mixing valve to have different tempera...

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Creating a second zone on Mitsubishi Ecodan ASHP

Mine may be older and different but on mine SW2-6 is for a mixing tank and the manual states that SW2-7 only works if SW2-6 is off. SW4-1 and SW...

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Error on Immersun – Error 8 Load Short Circuit

I was on deemed export and had an immersun that blew up after 7 years, had a similar experience with support, pre pay with no guarantee of a fix, I de...

1 year ago
Forum
Solar Thermal & Power Diverters
Reply
RE: Creating a second zone on Mitsubishi Ecodan ASHP

Derek's video link makes a good point, what have you got the zones set up as in the FTC controller, if you are using the main FTC controller to measur...

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Creating a second zone on Mitsubishi Ecodan ASHP

Do you have SW3-1 turned on that is required to allow the input from the 2nd thermostat. mine is wired as 2 zones and if I had my time again I w...

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
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