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DaveW
@davew
Member
Estimable Member
309 kWhs
Joined: Jan 13, 2023
Last seen: Jan 12, 2025
Profile Activity
Topics: 0 / Replies: 42
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Reply
RE: Ecodan. How to run this efficiently with zero understanding.

@HughF - The cylinder is a pre-plumbed Ecodan Unit and have had a look at the catalogue and this is how it is factory set.?

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Ecodan. How to run this efficiently with zero understanding.

@HughF, sorry I didn't understand what you mean about plate loading?

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Ecodan. How to run this efficiently with zero understanding.

Derek.......sorry for the delay in responding, I have had to wait until i was fit enough to get in the loft! Regarding pump speeds........I am now r...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Ecodan. How to run this efficiently with zero understanding.

Just managed to get in the loft and look at this. I do have both expansion tanks but I also have the low loss header which is part of the packaged c...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Ecodan. How to run this efficiently with zero understanding.

@sunandair Not sure if I have a buffer or low loss header tank, I know up there in the loft there are two expansion type vessels of similar size?.....

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Ecodan. How to run this efficiently with zero understanding.

@derek-m Derek, sorry for late reply I dropped the pump speed to 1 running at 10 l/min and Delta T increased to about 2.5 / 3 c on Melcloud, I ha...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Ecodan. How to run this efficiently with zero understanding.

@kev-m Thanks Kev.....A simplistic approach is probably always the sensible one..........as you say its obvious to me now 🙄 that Melcloud is the is...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Ecodan. How to run this efficiently with zero understanding.

@sunandair Hope you get sorted soon........hang in there!!

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Ecodan. How to run this efficiently with zero understanding.

@sunandair .............thanks... what COP figures do you achieve and are you using Auto Adapt (Room Mode) or WC?

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Ecodan. How to run this efficiently with zero understanding.

@sunandair Many thanks my unit is the 85 with range between 10.8 and 24 not sure what determines the optimum but as just posted have dropped pump ...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Ecodan. How to run this efficiently with zero understanding.

@mjr, @derek-m & @Kev-m Thanks for all your input. I have looked at the Service Menu and noted that the Pump speed is 5 and flow rate 19 l/min...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Ecodan. How to run this efficiently with zero understanding.

@derek-m Hi Derek It's been close to freezing all day and the Curve is still maintaining the whole house comfortably, it's now down to 39C at -5C...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
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