III
6.12 Load Default ................................................................................................................. 27
6.13 Firmware Version Checking .................................................................................... 27
7 Parameters of LCD .......................................................................... 28
7.1 Communication Parameters ................................................................................................ 28
7.1.1 Serial Port Parameter Setting.................................................................................... 28
7.1.2 Ethernet Parameter Setting....................................................................................... 29
7.2 Running Parameters ............................................................................................................... 29
7.2.1 Setting Running Parameters ..................................................................................... 29
7.2.2 Description of Running Parameters ....................................................................... 29
7.3 Protection Parameter ............................................................................................................. 30
7.3.1 Setting Protection Parameter ................................................................................... 30
7.3.2 Description of Protection Parameters ................................................................... 31
8 Inverter Functions .......................................................................... 34
8.1 Perfect Control Strategy........................................................................................................ 34
8.2 Active Power Limitation ........................................................................................................ 34
8.2.1 Active Power Limitation Introduction ................................................................... 34
8.2.2 How to Realize Power Limitation ............................................................................ 35
8.3 Reactive Power Adjustment ................................................................................................ 35
8.4 LVRT ............................................................................................................................................. 36
8.5 High Voltage Ride Through (HVRT) ................................................................................... 36
8.6 Temperature Derating ........................................................................................................... 37
8.7 MPPT ............................................................................................................................................ 38
8.8 Intelligent Temperature-Control Technology ................................................................ 38
8.9 Anti-PID Effect Function (Optional) .................................................................................. 38
8.9.1 Introduction to PID Effect .......................................................................................... 38
8.9.2 Anti-PID Function Setting .......................................................................................... 39
8.9.3 PID Repair ........................................................................................................................ 39
8.10 Insulation Monitoring Function ............................................................................ 39
8.10.1 Introduction ................................................................................................................. 39
8.10.2 Simple Troubleshooting .......................................................................................... 40
8.11 Protection Function ................................................................................................... 40
9 Routine Maintenance..................................................................... 42
9.1 Safety Instructions .................................................................................................................. 42
9.1.1 Safety Rules ..................................................................................................................... 42
9.1.2 Five Safety Rules ............................................................................................................ 42
9.2 Maintenance and Interval .................................................................................................... 42
9.3 Filter checking and cleaning ............................................................................................... 44
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