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Derek M
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Derek M
@derek-m
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Illustrious Member
Joined: Mar 4, 2021
Last seen: Sep 19, 2024
Profile Activity
Topics: 7 / Replies: 4403
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Reply
RE: Ecodan. How to run this efficiently with zero understanding.

As a trial, I would suggest dropping the pump speed to 1 for a period of time and see if the DeltaT improves. The Ecodan is designed to control the De...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Heat pump delta T too low - 2c

Someone can correct me if I am wrong, but I was under the impression that the Ecodan has an internal water pump, the speed of which is controlled by t...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: No spare parts for Vaillant Ground Source Heat Pumps in the UK & major corrosion issue is another problem for GSHP

Have you not considered installing a duplex filter before the pump and heat exchanger etc.? It may then be possible to manually or automatically bac...

3 years ago
Forum
Ground Source Heat Pump (GSHPs)
Reply
RE: My ASHP is running out of hot water

The white box on the side of the cylinder, shown in the first photo, who the the manufacturer and what is the model number? What is the scale on the d...

3 years ago
Forum
Domestic Hot Water & Cylinders
Reply
RE: Massive Electricity Cost

Improve the insulation in your home. One way is to increase the indoor temperature by 1C or 2C during the warmer part of the day, and then lower it ...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Heat pump delta T too low - 2c

The heat loss from your home is dependent upon the temperature difference between inside and outside. This can vary quite considerably throughout the ...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Latest NIBE model has known defect and no solution

I would suggest that you contact Citizens Advice, since your installed heat pump is not 'fit for purpose' if it cannot keep your home heated in cold w...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Painting on insulation: Emperor Paint Masonry Creme

Did you not send Kirsten out in the poring rain and gales to check with the thermal camera? 😋

3 years ago
Forum
DIY
Reply
RE: Latest NIBE model has known defect and no solution

That sounds rather strange, since I thought that ASHP's had to be on the MCS approved list to qualify for the latest grant. Since MCS also don't app...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Latest NIBE model has known defect and no solution

@richardpool, have you not asked Nibe to replace the faulty unit with a different model, either on a permanent or temporary basis?

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Heat pump delta T too low - 2c

Why do you require a flow rate of 30 litres per minute? Having a DeltaT of only 2C would indicate that the flow rate is too high for the present heat ...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: My ASHP is running out of hot water

If the water pump cable is long enough, you could just fit a standard mains 3 pin plug that you can use in a 240v socket. Does your immersion heater...

3 years ago
Forum
Domestic Hot Water & Cylinders
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