ABB UNO-DM-2.0-TL-PLUS - Inverter Total De-Energization and Safe Access Procedure

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001004AG

8 - Maintenance

Inverter total de-energization and safe access procedure

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Table of Contents4
Afety and Accident Prevention8
Safety Information and Instructions8
Symbols and Signs9
Installation and Maintenance Safety11
General Safety Information11
Environmental Conditions and Risks11
Electrical and Thermal Safety12
Residual Risks13
Table of Residual Risks13
I Ntroduction and General Information14
Warranty and Supply Conditions14
Not Included in the Supply14
Scope and Target Audience15
Purpose and Document Structure15
List of Appendix Documents15
Operator and Maintenance Personnel Skills/Prerequisites15
Application Area, General Conditions16
Intended or Allowed Use16
Limits in Field of Use16
Improper or Prohibited Use16
Haracteristics17
General Conditions17
Reference Number Index18
Graphical Representation of References18
Accessory Board UNO-DM-COM KIT19
Accessory Board UNO-DM-PLUS-COM Ethernet KIT20
REACT-MTR-1PH Energy Meter21
ABB B23, B24 3PH Energy Meter21
ABB B21 1PH Energy Meter22
Models and Range of Equipment23
Identification of the Equipment and Manufacturer24
Characteristics and Technical Data26
Tightening Torques32
Overall Dimensions32
Bracket Dimensions33
Efficiency Curves34
Power Limitation (Power Derating)36
Power Reduction Due to Environmental Conditions36
Power Reduction Due to the Input Voltage37
Characteristics of a Photovoltaic Generator38
Strings and Arrays38
Description of the Equipment39
Operating Diagram39
Mutual Connection of Multiple Inverters40
Notes on the System Sizing40
Operating Diagram41
Functionality and Components of the Equipment42
Topographic Diagram of the Equipment45
Safety Devices48
Anti-Islanding48
Ground Fault of the Photovoltaic Panels48
Other Safety Devices48
Ifting and Transport49
General Conditions49
Transport and Handling49
Lifting49
Unpacking and Checking49
List of Components Supplied50
Weight of the Modules of the Equipment51
I Nstallation52
General Conditions52
Environmental Checks53
Installations above 2000 Metres53
Wireless Signal Environmental Checks54
Recommendations for the Wireless Signal Power56
Installation Position57
Wall Mounting58
Wireless Antenna Mounting59
Opening the60
Preliminary Operations for Connection of the PV Generator61
Checking the Correct Polarity of the Strings61
Checking of Leakage to Ground of the Photovoltaic Generator61
Selection of Differential Protection Downstream of the Inverter61
Independent or Parallel Input Channels Configuration63
Channel Configuration Examples64
Independent Channel Configuration (Default Configuration)65
Parallel Channel Configuration65
Input Connection to PV Generator (DC Side)66
Installation Procedure for Quick-Fit Connectors68
Distribution Grid Output Connection (AC Side)72
Characteristics and Sizing of the Line Cable72
Load Protection Switch (AC Disconnect Switch)73
Installation of the Cable on the AC Output Connector74
Connection for the AC Output Connector to the Inverter76
Installation of the External Protective Grounding Cable77
Communication and Control Signal Connections to the UNO-DM-COM KIT Board78
Description of Terminal Blocks on the UNO-DM-COM KIT Board79
Description of Terminal Blocks on the UNO-DM-PLUS-COM Ethernet KIT Board80
Connection of the RS485 Line81
Remote Control Connection83
Demand Responce Mode 0 (Request by AS/NZS 4777)83
Configurable Relay Connection (ALARM / LOAD MANAGER)84
Connection of the Energy Meter85
Connection of the REACT-MTR-1PH (Single-Phase)85
Connection and Configuration of the ABB B21 Meter (Single-Phase)87
Connection and Configuration of the ABB B23, B24 3PH (Three-Phase)90
Closing the93
I Nstruments94
General Conditions94
Monitoring and Data Transmission95
User Interface95
Measurement Tolerance95
Description of Keyboard and LED Panel96
Peration97
General Conditions97
Commissioning (Via Web User Interface)98
Commissioning (Using the Inverter Display)107
Power, Alarm, GFI Leds Behaviour109
Specifications on Operation of the Leds110
LED Insulation Fault110
COMM, WLAN Leds Behaviour110
Description of the Web User Interface111
Access to the Web User Interface111
Web User Interface Menu Structure114
MAIN Section115
SETUP Section116
EVENTS Section118
USER Section119
NETWORK Section120
TOOLS Section124
INFORMATION Section135
Description of the Display Menus136
General Information136
Menu Structure137
System Menu138
Inverter Menu140
Display Menu154
WLAN Logger Menu155
Aintenance157
General Conditions157
Inverter Total De-Energization and Safe Access158
Operator and Maintenance Personnel Skills/Prerequisites158
Clothing and Protection of Personnel159
Safety Equipment and Tools159
Inverter Total De-Energization and Safe Access Procedure160
Routine Maintenance170
Troubleshooting171
Web User Interface and Wireless Communication Troubleshooting171
Alarm Messages of the Inverter173
Power Limitation Messages182
Dismantling the Inverter184
Replacement of the MEMORY Board185
Replacement of the Buffer Battery186
Registration on "Registration" Website and Calculation of Second-Level Password (Service Menu, Admin Plus)187
Resetting the Remaining Time for Grid Standard Variation from Display190
Verification of Ground Leakage191
Behaviour of a System Without Leakage191
Behaviour of a System with Leakage192
Measuring the Isolation Resistance of the PV Generator193
Storage and Dismantling194
Storage of an Uninstalled Inverter for Long Periods194
Storage of an Installed Inverter for Long Periods of Non-Use194
Disposal194
Ttachments195
Port and Network Services Used by the Inverter195
IP Network Services195
Network Hosts196
Inverter Network Configuration196
Further Information197
Contact Us198

ABB UNO-DM-2.0-TL-PLUS - Inverter Total De-Energization and Safe Access Procedure

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