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Gary
@gary
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Prominent Member
Joined: Feb 8, 2023
Last seen: Aug 13, 2025
Profile Activity
Topics: 2 / Replies: 348
AllTopicsReplies
Reply
RE: Melcloud Room temperature reading

@davidalgarve I don’t have a hydro box so your system is different to mine. I wouldn’t worry about it if you are using WC it doesn’t use those value...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Mitsubishi Ecodan 8.5kW Monobloc (FTC5) Defrost Mode

it’s all sounds like normal operation in terms of defrost. Do you have MELCloud app csn you post pictures of flow temps. what was your design temp ...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Optimising ecodan ASHP

Yes you are correct you don’t have the same menu as I do.

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Melcloud Room temperature reading

The FTC5 is the big metal box with ecodan on the front the remote ftc5 controller is the screen you are looking at. The thermistor is inside the cont...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Optimising ecodan ASHP

@hotheat your pressing the wrong button, press the far right white button not the menu button then on the screen above that will be the consumed and d...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Melcloud Room temperature reading

this is what kev is referring to it only appears in auto adapt mode and it’s getting the values from the remote controller thermistor. As Kev said in...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Optimising ecodan ASHP

Your delta T is bigger than 2 probably 4 or 5. If you press the legends on the plot it will remove the tank temp and rescale so you may able to see t...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Icy cold weather, weather compensation and consumption

There is a table with max and min in the handbook for each ecodan size. this is altered under settings pump speed menu it can be altered from 1-5. ...

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

@leftbacks unfortunately it does look like the heat pump is just too small for your property then

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Icy cold weather, weather compensation and consumption

@kenneth Ecodans don’t modulate down well I have ufh and it won’t run below 32C without cycling on and off which is what you are seeing. The delta T ...

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

@derek-m I agree it isn't, but with 70% of the area designed at 18C and 30% at 21C this averages out at 19C, so the house is going to struggle to ge...

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

I may be barking up the wrong tree here, but looking at the heat loss calculation 70% of your floor area was designed at 18C, this has determined that...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
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