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Contents
Quick installation guideline JNP370L/LS JNP550L/LS ................................... 3
1 Inverter unpacking ....................................................................................... 3
2 Installation procedure ........................................................................... 4
2.1Prepare installation tools .................................................................... 4
2.2 Installation Direction and spacing dimension..................................... 4
2.3 Installation of Inverter ........................................................................ 5
3. Electrical Connection.................................................................................. 6
3.1 Connecting Terminals of Inverter ....................................................... 6
3.2 Cable Selection for Electrical Connection ......................................... 7
3.3 AC Side Electrical Connection........................................................... 7
3.4 DC side connection ........................................................................... 8
3.5 Inverter grounding ........................................................................... 10
3.6 Water Level Sensor Connection ...................................................... 10
3.6.1 Water level sensor interface define ....................................... 10
3.6.2 Water level sensor connection............................................ 11
4. Disassembling .......................................................................................... 13
4.1 The Disassembling of PV Connector............................................... 13
5. Commissioning ......................................................................................... 14
5.1 Verify before Commissioning........................................................... 14
5.2 Inverter first commission ................................................................. 16
6 Appendix: Troubleshooting ........................................................................ 17