3.4 Verifying the Installation................................................................................................................................................. 143

4 Operations............................................................................................................................ 150

4.1 Powering On and Starting the UPS..............................................................................................................................150

4.1.1 Powering On the UPS.................................................................................................................................................... 150

4.1.2 Initial Startup.................................................................................................................................................................... 150

4.1.2.1 Obtaining Startup Password.................................................................................................................................... 151

4.1.2.2 Settings Wizard............................................................................................................................................................ 151

4.1.3 Starting the Inverter.......................................................................................................................................................153

4.1.4 Powering On Loads........................................................................................................................................................ 155

4.1.5 (Optional) Setting Parameters for the BCB Box...................................................................................................155

4.2 Shutting Down and Powering Off the UPS............................................................................................................... 156

4.3 Cold-Starting the UPS Using Batteries........................................................................................................................ 158

4.4 Transferring to Bypass Mode.......................................................................................................................................... 158

4.5 Setting ECO Mode.............................................................................................................................................................. 158

4.6 Testing Batteries..................................................................................................................................................................160

4.6.1 Lead-Acid Battery Test.................................................................................................................................................. 160

4.6.1.1 Forced Equalized Charging Test.............................................................................................................................. 160

4.6.1.2 Shallow Discharge Test.............................................................................................................................................. 161

4.6.1.3 Capacity Test................................................................................................................................................................. 162

4.6.2 Lithium Battery Test....................................................................................................................................................... 163

4.6.2.1 Shallow Discharge Test.............................................................................................................................................. 163

4.6.2.2 Capacity Test................................................................................................................................................................. 165

4.6.3 Test Data Download...................................................................................................................................................... 166

4.7 Transferring to Maintenance Bypass Mode............................................................................................................... 167

4.8 Transferring from Maintenance Bypass Mode to Normal Mode....................................................................... 170

4.9 Performing EPO...................................................................................................................................................................171

4.10 Clearing the EPO State...................................................................................................................................................171

4.11 Exporting Data.................................................................................................................................................................. 172

4.12 Setting Hibernation Mode............................................................................................................................................ 173

5 Routine Maintenance.........................................................................................................175

5.1 UPS Maintenance............................................................................................................................................................... 175

5.1.1 Monthly Maintenance................................................................................................................................................... 176

5.1.2 Quarterly Maintenance................................................................................................................................................. 176

5.1.3 Annual Maintenance......................................................................................................................................................177

5.2 Battery Maintenance......................................................................................................................................................... 178

5.2.1 Precautions for Battery Maintenance...................................................................................................................... 178

5.2.2 Monthly Maintenance................................................................................................................................................... 178

5.2.3 Quarterly Maintenance................................................................................................................................................. 180

5.2.4 Annual Maintenance......................................................................................................................................................181

6 Troubleshooting...................................................................................................................182

7 Technical Specifications..................................................................................................... 185

Issue 15 (2022-01-30)

vii

Table of Contents