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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: 4405
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RE: Solar panels not working correctly? what checks can I make?

The optimisers are DC to DC converters, though I am not certain if it is the voltage from each panel that they are trying to balance or the current. D...

2 years ago
Forum
Solar Photovoltaic (PV)
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RE: Adding pv solar panels to existing? DNO issues?

Rather than moving your shaded panel you could consider installing reflectors if it is feasible. Wooden panels painted with white gloss paint or cover...

2 years ago
Forum
Solar Photovoltaic (PV)
Reply
RE: ASHP hot water vs solar PV via diverter - tank average temperature

If you live in a 'hard' water area, I believe heating the hot water cylinder much above 60C can cause limescale to be deposited on the internals of th...

2 years ago
Forum
Domestic Hot Water & Cylinders
Reply
RE: How to turn ASHP heating off!?

If your electricity supply meter is recording energy usage, then it must be being used somewhere, since energy cannot be created or destroyed, it can ...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: ASHP hot water vs solar PV via diverter - tank average temperature

The most probable reason is that the immersion heater is positioned higher in the hot water cylinder than the heating coil for the heat pump, therefor...

2 years ago
Forum
Domestic Hot Water & Cylinders
Reply
RE: Solar panels not working correctly? what checks can I make?

Have you seen the following document?

2 years ago
Forum
Solar Photovoltaic (PV)
Reply
RE: High air source heat pump running costs – Vaillant AroTherm Plus

We don't have an A2W heat pump we have an A2A one that cannot heat the DHW. At the moment our DHW is provided exclusively by our solar PV system via a...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Solar panels not working correctly? what checks can I make?

It may be much safer to send your wife. 😋

2 years ago
Forum
Solar Photovoltaic (PV)
Reply
RE: Solar panels not working correctly? what checks can I make?

An easy way to check the position and number of each panel would be to cover each of the 8 panels in turn, and note the drop off in output. This shoul...

2 years ago
Forum
Solar Photovoltaic (PV)
Reply
RE: PWM pump or not?

I believe that the air temperature sensor is normally located at the rear of the outdoor unit, before the evaporator, so that it gets minimal effect f...

2 years ago
Forum
Thermostats, Volumisers, Buffer Tanks, TRVs, Pumps, Piping, Valves, Radiators & Controls
Reply
RE: Smart meter installation – seamless or a potential nightmare?

This is one of the things that appears to be happening more frequently. Software or firmware updates are performed, which may cure one problem but the...

2 years ago
Forum
Electricity, Tariffs, Monitoring & Providers
Reply
RE: Smart meter installation – seamless or a potential nightmare?

Although we don't have the same type of IHD, our's has the ability to be set for single fuel or dual fuel display, so it may be just a matter of chang...

2 years ago
Forum
Electricity, Tariffs, Monitoring & Providers
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