1. How many year for product warranty ?
Commonly 10years, can be extended into 25years, one year should add 1usd.
2. Please kindly provide us for the installation manual or example connection diagram together with related devices.
Check the manual
3. It is possible to provide failure rate, since we have ever found some problem with other brand that their failure rate was too high XX%/year/MWp
NEP brand<0.2%
4. Please kindly specify % of humidity which is compatible with your product.
Operating Ambient Temperature :-40C - +85C
Can work 1meter under water, 100% humidity
5. Could you please specify further about the condition which will make rapid shutdown to operate.
1) If any device senses higher temperature, this device will shutoff automatically.
2) The high temperature device will report back to transmitter, and the transmitter will command every unit of RSD under the inverter to shutoff.
In another word, all RSDs under this inverter will shutdown.
6. According to NEC2017/2020, installer should provide emergency push button switch which fireman can operate conveniently, Does you product already complied ? we didn't see any specification for emergency push button switch.
Yes. automatically or manually,check it in page 19

