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Derek M

@derek-m

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Illustrious Member

Joined: Mar 4, 2021
Last seen: Sep 19, 2024

Topics: 7 / Replies: 4405

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RE: Adding Solar Gain influence to Weather Compensation Curve

You are using what in an industrial control system would be described as a 'feed forward' input. In practice a feed forward signal is used to try to p...

2 years ago

Forum

Air Source Heat Pumps (ASHPs)

RE: Solar panels not working correctly? what checks can I make?

@tim441 I think that you stated that you have 8 panels connected to the inverter, 7 in full sunlight and 1 shaded. Do you know if the panel are conn...

2 years ago

Forum

Solar Photovoltaic (PV)

RE: What do we need to know before installing a heat pump?

I fully agree that more companies are required within the renewable heating sector, but I also feel that it is equally, if not more important, to avoi...

2 years ago

Forum

Government Schemes, Regulations, Planning & Organisations

RE: What do we need to know before installing a heat pump?

@filipe It really fills me with confidence, if after designing and installing systems containing a PHE, the installers then cannot even connect the ...

2 years ago

Forum

Government Schemes, Regulations, Planning & Organisations

RE: What do we need to know before installing a heat pump?

I would suggest that you check that your WC curve is set to position 9 and not one of the fixed curves. If the WC curve is in position 9 then check th...

2 years ago

Forum

Government Schemes, Regulations, Planning & Organisations

RE: What do we need to know before installing a heat pump?

I'm sorry, but we could not burn the coal any faster, because the people were not using the electricity quickly enough. 😋 It is all their fault. 🙄

2 years ago

Forum

Government Schemes, Regulations, Planning & Organisations

RE: What do we need to know before installing a heat pump?

At the 2000MW power stations at which I worked, when operating at full load they would burn 20000 tonnes of coal per day, so would need to move approa...

2 years ago

Forum

Government Schemes, Regulations, Planning & Organisations

RE: What do we need to know before installing a heat pump?

Probably a better analogy is to use a liquid such as water or oil, rather than a solid like coal. A receiving tank would represent the heat emitters...

2 years ago

Forum

Government Schemes, Regulations, Planning & Organisations

RE: What do we need to know before installing a heat pump?

I worked at the unloading end, the power station, where the coal trucks were unloaded into underground bunkers, and the coal was extracted from these ...

2 years ago

Forum

Government Schemes, Regulations, Planning & Organisations

RE: What do we need to know before installing a heat pump?

@cathoderay Using your analogy. The train has 10 coal trucks, each carrying 10 tonnes, so 100 tonnes total. At the loading end (heat pump) the tru...

2 years ago

Forum

Government Schemes, Regulations, Planning & Organisations

RE: Solar panels not working correctly? what checks can I make?

Are there any error messages being shown on the inverter?

2 years ago

Forum