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Maximus777

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  1. Thats a good solution too if one has batteries
  2. The setup I have is 18 panels ( 2 banks of 9 panels each and one panel has around 9amps of output) so would I need such a big amped contactor. I could only find 50amp rated ones on Aliexpress
  3. I agree, its better to be cautious
  4. Thanks for sharing this. I could manage getting one of those and wiring it up. I have a similar contactor for a generator setup on auto, but off since I got the solar setup. and i guess its only safer to get dc contactor if i can find one. Otherwise aliexpress to the rescue.
  5. Thanks for pointing that out. I like how that sounds yet I believe I dont have the expertise in any type of electrics to set that up. Looking for an out of the box solution if anyone can recommend a work around.
  6. Hi all, I have followed this post rather intently and see that a great workaround has been developed. Since I dont have the expertise to replicate such a solution I wanted to discuss if I could improvise and attach a Sonoff Wifi Switch to the PV input just after the breaker and before the inverter. Its an AC switch but could control the flow of the DC current to the inverter and scheduled to allow current to pass at mornings and shut down in evenings. Furthermore, I solved the problem I had with Fault 08 (Bus Voltage exceeds threshold) by simply turning off the PV input breaker at 7pm everyday and turning it back on at around 8am. The setup I have is Canadian Solar Polyperc 370W panels wired in 2 banks of 9 series each which is the common denominator in almost all the members problems here. In the summer, not once did I face a problem with any Bus voltages but since its winters here in Lahore, Pakistan now I have this fault pop up at around 12am-5am. The company that deals with these inverters called Inverex have simply told me I need batteries. I chose not to use batteries as I have two standby UPS`s connected to this system anyways and they are wired to each room separately with much smaller batteries than the ones required for the 5kw system. Thanks for having such a lively community filled with so many new insights.
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