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Contacted The DNO again today they said they will ring tomorrow with an appointment ,we will see.

This is there answer to above question The DTi Guide Paragraph 2.3.1 states that a volt drop of 1% or less is recommended (not a requirement). In this case the DTi Guide states that the voltage drop must remain within the limits as prescribed by BS7671. In this case it would be the current...

Yes there is lighting in the barn

NAPIT have got back and said if the volt drop along the cable is 5% or less,then this conforms to the BS7671 which they say with the figures supplieded it does do, the 1% recommendation is ONLY a recommendation.Seems to me then why fit a recommended 50mm cable for a 150meter run when you can...

The latest is , I have contacted the installer and he WANTS Napit involved. Is there any other readings I need besides Ze reading at the incoming supply and a Zs reading at the inverter

The trouble with letting the installer back is he has lost my confidence,He wanted to alter the paramiters of the inverter right at the begining ,he had not contacted anybody( he has the codes yet the DNO are only coming on Tues, due to this forum I did not let him, so how can I be sure he will...

So as well as the Voltage check which is going to be done, do I get an independent PIR test on the cable

So just to summarize, getting the DNO to moniter the incomming supply is the correct thing to do. The readings on the Electrical Certificate may be false (I think they will be) if anybody needs any readings I will get them.I am contacting NAPIT on Tuesday to complaine. Is there anything else I...

The readings are FW PACK 320 HP 310 SN 2100547258 G83/1 LANGUAGE ENGLISH

Get the DNO to agree to have the G83/1 settings altered to account for the VD problems If we went down this route,would the small size cable carry the ampage OK ---------- Post Auto-Merged at 17:31 ---------- Previous post was made at 17:30 ---------- Some good news at...

Pretty sure its 16mm TN-S

There are 4 ,2 sets of two, I think they are 4 mm

Just checked, Inverter is Sunny Boy 4000TL-20, Panels are Sun Tec STP250S-20/Wd+

Modle of inverter Sunny Boy 4000TL

Yes

I have a few questions On a 150 meter I have been told I need 50mm cable for less than 1% VD, why do I need 1% VD, Whats the point of 50mm cable when the incoming suply to the house CU is only 16mm

Hi the inverter shutts down for a few mins then trys to reconnect ,only happends on a sunny day, the error code on sunny explorer is Grid Fault 1, the mains supply stays on. It does say on the inverter that the incoming voltage to high(I think} I am at the moment getting the DNO to suply me...

Thanks

Is there any way I can prove this