Epever HP3542-AH0650P20SA User manual

Inverter/charger
User Manual
HP3542-AH0650P20SA
HP5542-AH1050P20SA

Contents
Important Safety Instructions 1
Disclaimers 5
1 General Information 6
1.1 Overview 6
1.2 Appearance 8
1.3 Naming rules 11
1.4 Connection diagram 11
2 Interface 13
2.1 Indicator 13
2.2 Buttons 14
2.3 Home screen 15
2.4 Interface 16
2.4.1 Real-time data interface 16
2.4.2 User interface 18
2.4.3 Administrator interface 19
2.5 Parameters setting 20
2.5.1 Parameters list 20
2.5.2 Battery voltage control parameters (Smart) 29
2.5.3 Battery voltage control parameters (Expert) 29
2.5.4 Time setting 31
2.5.5 Password modifying 31
3 Single Installation 32
3.1 Attention 32
3.2 Wire and breaker size 33

3.3 Mounting the inverter/charger 34
3.4 Wiring the inverter/charger 35
3.5 Operate the inverter/charger 43
4 Parallel Installation 45
4.1 Wire and breaker size for parallel operation 45
4.2 Precautions for parallel installation 45
4.3 Parallel Operation in Single phase 47
4.3.1 Single phase parallel wiring diagram 47
4.3.2 Debug for single phase parallel 50
4.4 Parallel Operation in Three Phase 53
4.4.1 Three phase parallel wiring diagram 53
4.4.2 Debug for three phase parallel 59
4.5 BMS connection for parallel equipment 63
4.5.1 BMS wiring diagram for parallel 63
4.5.2 BMS parameter setting for parallel 64
4.5.3 BMS control logic for charging and discharging 67
4.6 Parameters Sync Update Item 70
5 Working modes 71
5.1 Abbreviation 71
5.2 Battery mode 71
5.2.1 Scenario A: Both PV and Utility are not available. 71
5.2.2 Scenario B: PV is available, but the Utility is not available. 72
5.2.3 Scenario C: Both PV and Utility are available. 73
5.2.4 Scenario D: The PV is not available, but the Utility is available. 76
5.3 No battery mode 78
6 Protections 79

7 Troubleshooting 81
7.1 Battery faults 81
7.2 PV faults 82
7.3 Inverter faults 84
7.4 Utility faults 86
7.5 Load faults 87
7.6 Other faults for single inverter/charger 88
7.7 Parallel faults 90
7.8 BMS faults 92
8 Maintenance 93
9 Specifications 94
10 Dimensions 96