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Do-It-Yourself (DIY) Question & Answer Forum
Solar pv batteries distance to CU
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<blockquote data-quote="binky" data-source="post: 509635" data-attributes="member: 490"><p>Ok so you have an armoured supply to inverter in WC, so in my opinion, you don't need a RCD for that cct. An RCD won't be doing anything very useful for you anyway. Just use a standard Type B MCB. If you want to install a mini board with 100mA RCd main switch, that's fine also - works as an isolator for the system in case anyone needs to work on the house CU or meter. You should have an isolator for the solar next to main board. </p><p></p><p>Part P doesn't cover solar, but getting MCS registered is a waste of time and money. There is no legal requirement yo be MCS registered to install solar, it was only the Feed in Tariff that drove that requirement, and that no longer exists. It will cost you MCS fees, plus fees for OFGEM and REAL, plus you will have to produce a small mountain of paperwork (if you have ever worked with ISO 9000 or Military Standard stuff, it's along those lines) the easy answer to which is to buy an off the shelf paperwork package at around £500, plus you need extra insurance. So you will be talking of around £2k, and you get nothing from it as there is no Feed in Tariff. I dropped MCS a few years ago, just couldn't justify the expense. You will have to register system with your local DNO for which you will need to produce a schematic diagram of the system (examples can be found online), and they will want to see the G99 / 100 cert for the inverter. </p></blockquote><p></p>
[QUOTE="binky, post: 509635, member: 490"] Ok so you have an armoured supply to inverter in WC, so in my opinion, you don't need a RCD for that cct. An RCD won't be doing anything very useful for you anyway. Just use a standard Type B MCB. If you want to install a mini board with 100mA RCd main switch, that's fine also - works as an isolator for the system in case anyone needs to work on the house CU or meter. You should have an isolator for the solar next to main board. Part P doesn't cover solar, but getting MCS registered is a waste of time and money. There is no legal requirement yo be MCS registered to install solar, it was only the Feed in Tariff that drove that requirement, and that no longer exists. It will cost you MCS fees, plus fees for OFGEM and REAL, plus you will have to produce a small mountain of paperwork (if you have ever worked with ISO 9000 or Military Standard stuff, it's along those lines) the easy answer to which is to buy an off the shelf paperwork package at around £500, plus you need extra insurance. So you will be talking of around £2k, and you get nothing from it as there is no Feed in Tariff. I dropped MCS a few years ago, just couldn't justify the expense. You will have to register system with your local DNO for which you will need to produce a schematic diagram of the system (examples can be found online), and they will want to see the G99 / 100 cert for the inverter. [/QUOTE]
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Solar pv batteries distance to CU
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