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Table of Contents
1 General safety instructions 5
1.1 Safety symbols and terminology definitions 6
1.2 Safety Instructions 7
2 Introduction 8
2.1 System 9
2.2 Data evaluation and communication 14
2.3 Technical structure of the solar inverter 14
2.4 Ambient temperature 15
2.5 Inverter PV input DC voltage range 15
2.6 Efficiency 16
2.7 Equipment overview 17
2.8 Inverter type and safety labels 18
3 Installation 20
3.1 Visual inspection 22
3.2 Installation location 22
3.3 Mounting the inverter 23
3.4 Mounting the WHB-200 26
4 Electrical connections 27
4.1 General safety 27
4.2 Utility AC voltage 29
4.3 AC circuit breaker requirements 31
4.4 Grounding Electrode Conductor (GEC) 31
4.5 Lightning and surge protection 32
4.6 Multiple inverters 32
4.7 PV string considerations 32
4.8 Inverter connections 32
4.8.1 General information 32
4.8.2 Opening the wiring box cover 35
4.8.3 Wiring box conduit plugs 36
4.8.4 PV array string input connections 38
4.8.5 PV switch LOCK out and TAG out procedure 40
4.8.6 Battery wire connections 41
4.8.7 EVSE wire connections 42
4.8.8 Energy meter connections 44
4.8.9 Energy meter connections (Inverter Side) 46