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SUNandAIR
SUNandAIR
@sunandair
Member
Noble Member
Joined: Dec 30, 2022
Last seen: Oct 22, 2025
Profile Activity
Topics: 5 / Replies: 499
AllTopicsReplies
Reply
RE: ASPH Sizing Confusion

OVERSIZING. to put a pinch of balance back into this debate. There is a risk of drawing conclusions based on assumptions about performance of an over...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: How to turn ASHP heating off!?

@tufty its worth a call to your service engineer and ask exactly what the scale reading is. And a second question is to what temperature below 0degC...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: How to turn ASHP heating off!?

Hi I’ve found a post from last December where I think you said you’ve got glycol in your system. If this is the case then you should be already pro...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: How to turn ASHP heating off!?

Hi I guess rural Devon can be quite cold over night. If you have anti freeze valves fitted on your outside pipework it’s worth remembering they activa...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: How to See Ecodan Power Usage

Hi Kev-m. We had the same missing data on our ftc controller back in January. Mitsubishi asked for our serial number and the installer came out and re...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: How to See Ecodan Power Usage

Thanks Derek, based on info at point of post nothing has been ruled out. There are known, identical performance issues attributed to a small number ...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: How to See Ecodan Power Usage

I can see from your last picture above that you are indeed set on Weather Compensation. looking at your last picture your left hand button, when pr...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: How to See Ecodan Power Usage

You may have a faulty ftc6 controller!? do you have auto adaptive function? Thats the “room temperature” option, as opposed to “weather compensati...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Working with my Ecodan

@willen-john wow. That’s a big improvement. 👍🏻

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Sensors positioning for Ecodan 8.5kw ASHP with pre-plumbed cylinder and buffer

@tadpole hi. Thanks for the further information. I can see that the reservoir of hot water may have been proposed to feed the two underfloor heatin...

2 years ago
Forum
Domestic Hot Water & Cylinders
Reply
RE: Working with my Ecodan

Thats good to hear. One possibility removed. It sounds like the Secondary Return, re-circulation, as described above is a reasonable contender… your...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Working with my Ecodan

I think, someone in the past also had a 3 port valve stuck partially open which can mean that while the heating is on the circulating water, at a lowe...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
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