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New PV install question, Solax inverter setup
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<blockquote data-quote="denmancentral" data-source="post: 538971" data-attributes="member: 36023"><p>I just had a PV system (no battery) installed and I'm not sure the installer did everything correctly.</p><p></p><p>It's a 4kW system in a single string connected to a Solax inverter (non-hybrid). This is connected to an isolator and MCB, via a 3rd party generation meter, and then on to the smart meter via a splitter as expected. The inverter has an input for a CT but the CT isn't installed (the data wire from the inverter is just sticking out near the CU, as if he forgot to connect one). The inverter shows the PV generating power correctly but 'PGrid' is NAN. </p><p></p><p>Also the inverter's wifi dongle isn't connected to my Solax Wifi so the app doesn't work.</p><p></p><p>My questions are:</p><p></p><p>- what's the point of the separate generation meter? just for reference, required by MCS?</p><p>- should the inverter have a CT, and if so, should it measure the grid export/import, the solar generation, or the CU load?</p><p>- why does the inverter need the CT, just for displaying full info in the app?</p><p>- is the solax app worth bothering with? I will have my own monitoring system once I get some CTs.</p><p></p><p>The Solax manual is vague at best, hence the questions!</p></blockquote><p></p>
[QUOTE="denmancentral, post: 538971, member: 36023"] I just had a PV system (no battery) installed and I'm not sure the installer did everything correctly. It's a 4kW system in a single string connected to a Solax inverter (non-hybrid). This is connected to an isolator and MCB, via a 3rd party generation meter, and then on to the smart meter via a splitter as expected. The inverter has an input for a CT but the CT isn't installed (the data wire from the inverter is just sticking out near the CU, as if he forgot to connect one). The inverter shows the PV generating power correctly but 'PGrid' is NAN. Also the inverter's wifi dongle isn't connected to my Solax Wifi so the app doesn't work. My questions are: - what's the point of the separate generation meter? just for reference, required by MCS? - should the inverter have a CT, and if so, should it measure the grid export/import, the solar generation, or the CU load? - why does the inverter need the CT, just for displaying full info in the app? - is the solax app worth bothering with? I will have my own monitoring system once I get some CTs. The Solax manual is vague at best, hence the questions! [/QUOTE]
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New PV install question, Solax inverter setup
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