Vertiv Liebert APM2 User Manual

7.9.3 Number of batteries 131
7.10 Battery Protection 132
7.11 Battery Installation and Connection 132
7.12 Design of Battery Room 133
7.13 Common Battery String 133
7.14 External BCB Cabinet (Optional 1) 134
7.15 BCB Box (Optional 2) 136
7.16 Battery Ground Fault Detector (Optional) 139
7.17 BCB Reference Current and Connection 140
7.18 Battery Maintenance 142
7.19 Disposal of Used Battery 142
8 Parallel System and LBS System 143
8.1 General 143
8.2 System Installation Procedures 143
8.2.1 Preliminary checks 143
8.2.2 Cabinet installation 143
8.2.3 External protective device 145
8.2.4 Power cable 145
8.2.5 Parallel cable 145
8.2.6 Remote emergency power OFF (EPO) 145
8.3 Operation Procedures for Parallel System 146
8.3.1 Startup procedures in normal mode 146
8.3.2 Maintenance bypass procedures 147
8.3.3 Procedures for isolating one UPS module from parallel system 148
8.3.4 Procedures for inserting one isolated UPS module in parallel system 148
8.3.5 Procedures for completely powering down UPS 149
8.4 LBS System 149
8.4.1 Cabinet installation 149
8.4.2 External protective device 151
8.4.3 Power cable 151
8.4.4 LBS cable 152
9 Vertiv™ Liebert® APM2 Option Configurations 155
9.1 Options List 155
9.2 Options Introduction 155
9.2.1 Battery temperature sensor kit 155
9.2.2 Battery ground fault kit 156
9.2.3 Seismic Anchor Kit 156
9.2.4 IS-UNITY-DP card 158
9.2.5 IS-UNITY-LIFE card 159
9.2.6 SIC card 159
iv Proprietary and Confidential ©2023 Vertiv Group Corp.
Vertiv™ Liebert® APM2 30 to 120 kVA Modular UPS User Manual

Vertiv Liebert APM2 Specifications

General

Brand	Vertiv
Model	Liebert APM2
Category	UPS
Language	English