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Solar Thermal - what labelling, if at all?

alanblaby
I've been doing a couple of EICR's recently that are on a new build estate.

These houses have 2 or 3 Solar panels on the roof, from what I can find, they are solar thermal, giving a hot water feed from the panels, as well as an electric supply to the immersion heaters.

It doesnt look like they feed back into the public supply.

There is a 6A mains supply, via a 1mm T+E, to what looks, and acts like, a programmer, for controlling the hot water heating.


Obviously there is a separate supply to the premises, from the PV panels. However, it appears it does not interact at all with the public supply.


What labelling, if any, is needed for this situation, when compiling an EICR?

Obvioulsy a 'This item is connected to the PV, and needs to be disconnected there', sited at the controls/cabling from the PV, but is anything necessary at the DB?

I would say no, as the PV supply does not go near to the public supply, apart from sharing a earth via the water tank.

Any thoughts?

Thanks.

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    It rather depends as to whether it's just a solar thermal system or a PV installation (which may be providing heat via the thermostat).


    As Simon Barker‍ says if it's just solar thermal it's not generating electricity* so I'm not sure why it would need to be treated any differently to any other heating controlls / pump.


    *Unless there's a small cell/module providing power to the pump or irradiance meaurements to the control, which some do have, but these are islanded systems as with no mains connection and again no notices at the DB required.


    If there's also a PV system with inverter connected to the electrical installation then I agree with Alan Capon‍ and the usual notices per G83/G98 (depending on age) and likely also MCS are required.
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  • 0
    It rather depends as to whether it's just a solar thermal system or a PV installation (which may be providing heat via the thermostat).


    As Simon Barker‍ says if it's just solar thermal it's not generating electricity* so I'm not sure why it would need to be treated any differently to any other heating controlls / pump.


    *Unless there's a small cell/module providing power to the pump or irradiance meaurements to the control, which some do have, but these are islanded systems as with no mains connection and again no notices at the DB required.


    If there's also a PV system with inverter connected to the electrical installation then I agree with Alan Capon‍ and the usual notices per G83/G98 (depending on age) and likely also MCS are required.
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