5.1 Check before commissioning.......................................................................................................................................... 152

5.2 (Optional) Commissioning the ATS Before Power-On.......................................................................................... 152

5.3 Powering On and Starting the UPS..............................................................................................................................155

5.3.1 Power-On........................................................................................................................................................................... 155

5.3.2 Initial Startup.................................................................................................................................................................... 156

5.3.3 Starting the Inverter.......................................................................................................................................................158

5.3.4 Powering On Loads........................................................................................................................................................ 158

5.4 (Optional) Setting the BSC Mode................................................................................................................................. 159

5.5 Shutting Down and Powering Off the UPS............................................................................................................... 161

5.6 Cold-Starting the UPS Using Batteries........................................................................................................................ 162

5.7 Transferring to Bypass Mode.......................................................................................................................................... 163

5.8 Setting ECO Mode.............................................................................................................................................................. 163

5.9 Testing Batteries..................................................................................................................................................................165

5.9.1 Lead-Acid Battery Test.................................................................................................................................................. 165

5.9.1.1 Forced Equalized Charging Test.............................................................................................................................. 165

5.9.1.2 Shallow Discharge Test.............................................................................................................................................. 166

5.9.1.3 Capacity Test................................................................................................................................................................. 167

5.9.2 Lithium Battery Test....................................................................................................................................................... 168

5.9.2.1 Shallow Discharge Test.............................................................................................................................................. 168

5.9.2.2 Capacity Test................................................................................................................................................................. 170

5.10 Downloading Data...........................................................................................................................................................171

5.11 Performing EPO................................................................................................................................................................ 171

5.12 Clearing the EPO State...................................................................................................................................................172

5.13 Setting Hibernation Mode............................................................................................................................................ 173

5.14 Transferring to Maintenance Bypass Mode............................................................................................................ 173

5.15 Transferring from Maintenance Bypass Mode to Normal Mode.....................................................................174

6 Routine Maintenance.........................................................................................................176

6.1 UPS Maintenance............................................................................................................................................................... 176

6.1.1 Monthly Maintenance................................................................................................................................................... 176

6.1.2 Quarterly Maintenance................................................................................................................................................. 177

6.1.3 Annual Maintenance......................................................................................................................................................178

6.2 Lead-Acid Battery Maintenance.................................................................................................................................... 179

6.2.1 Precautions for Battery Maintenance...................................................................................................................... 179

6.2.2 Monthly Maintenance................................................................................................................................................... 179

6.2.3 Quarterly Maintenance................................................................................................................................................. 181

6.2.4 Annual Maintenance......................................................................................................................................................182

6.3 Power Distribution System Maintenance................................................................................................................... 182

6.3.1 Monthly Maintenance................................................................................................................................................... 182

6.3.2 Annual Maintenance......................................................................................................................................................183

7 Troubleshooting...................................................................................................................184

8 Parts Replacement.............................................................................................................. 187

Issue 04 (2022-12-30)

Table of Contents