7 UPS operating instructions.....................................................................887.1 UPS controls and indicators......................................................887.1.1 Control panel............................................................... 887.1.2 Status indicators.......................................................... 897.1.3 System events............................................................. 917.1.4 Menu structure of the 93PM UPS................................ 917.2 Signing in.................................................................................. 957.3 System control instructions....................................................... 967.3.1 Starting the UPS system in the double conversionmode...................................................................................967.3.2 Starting the UPS system in the bypass mode............. 977.3.3 Transferring from the double conversion mode tothe bypass mode................................................................ 977.3.4 Transferring from the bypass mode to the doubleconversion mode................................................................ 987.3.5 Transferring from the double conversion mode tothe Energy Saver System mode.........................................987.3.6 Transferring from the Energy Saver System modeto the double conversion mode.......................................... 987.3.7 Shutting down the UPS system and critical load......... 997.3.8 De-energizing the critical load..................................... 997.4 UPS control instructions..........................................................1007.4.1 Starting a single UPS.................................................1007.4.2 Shutting down a single UPS...................................... 1017.4.3 Enabling and disabling the battery charger............... 1017.5 UPM control instructions......................................................... 1017.5.1 Starting the UPMs......................................................1017.5.2 Shutting down the UPMs........................................... 1027.6 Using the Remote Emergency Power-off switch.....................1027.7 Turning the UPS from the double conversion mode to themaintenance bypass mode............................................................1037.8 Turning the UPS from the maintenance bypass mode tothe double conversion mode..........................................................1058 UPS maintenance................................................................................ 1078.1 Important safety instructions................................................... 1078.2 Preventive maintenance......................................................... 1088.2.1 Daily maintenance..................................................... 1088.2.2 Monthly maintenance.................................................1088.2.3 Periodic maintenance................................................ 1098.2.4 Annual maintenance.................................................. 1098.2.5 Battery maintenance..................................................1098.3 Recycling the used UPS or batteries...................................... 1098.4 Maintenance training...............................................................110Eaton 93PM UPS 30–200 kVA User's and installation guide© Eaton Corporation plc 2017. All rights reserved. Revision: 005 Document ID: P-164000249 5 (126)