Eaton 93PM Series - Page 7

Eaton 93PM UPS 480V Three-Wire – 100 kW Frame Installation and Operation Manual 164000227—Rev 07 vii
7.2.7 Sign In.............................................................................................................................................. 95
7.2.8 System Controls................................................................................................................................. 97
7.3 Single UPS Operation .............................................................................................................................. 100
7.3.1 Starting the UPS in Double Conversion Mode ......................................................................................... 100
7.3.2 Starting the UPS in Bypass Mode......................................................................................................... 101
7.3.3 Starting the UPMs ............................................................................................................................ 101
7.3.4 Starting a Single UPM........................................................................................................................ 101
7.3.5 Transfer from Double Conversion to Bypass Mode .................................................................................. 102
7.3.6 Transfer from Bypass to Double Conversion Mode .................................................................................. 102
7.3.7 Transfer from ESS Mode to Double Conversion Mode .............................................................................. 102
7.3.8 Transfer from Double Conversion Mode to ESS Mode .............................................................................. 103
7.3.9 Transfer from Double Conversion to Bypass Mode and Shut Down UPMs .................................................... 103
7.3.10 Single UPM Shutdown ..................................................................................................................... 103
7.3.11 Single UPM Restart ......................................................................................................................... 104
7.3.12 UPS and Critical Load Shutdown ........................................................................................................ 104
7.3.13 Charger Control .............................................................................................................................. 104
7.3.14 Battery Test ................................................................................................................................... 104
7.3.15 Using the UPS LOAD OFF Command .................................................................................................. 105
7.3.16 Using the Remote Emergency Power-off Switch ................................................................................... 105
7.4 Multiple External Parallel System Operation ................................................................................................. 107
7.4.1 Starting the Parallel System in Double Conversion Mode........................................................................... 107
7.4.2 Starting the Parallel System in Bypass Mode .......................................................................................... 107
7.4.3 Starting the Parallel System UPMs ....................................................................................................... 108
7.4.4 Starting a Single UPM........................................................................................................................ 108
7.4.5 Transfer from Double Conversion to Bypass Mode .................................................................................. 108
7.4.6 Transfer from Bypass to Double Conversion Mode .................................................................................. 109
7.4.7 Transfer from ESS Mode to Double Conversion Mode .............................................................................. 109
7.4.8 Transfer from Double Conversion Mode to ESS Mode .............................................................................. 109
7.4.9 Transfer from Double Conversion to Bypass Mode and Shut Down all UPMs ................................................ 109
7.4.10 Single UPM Shutdown ..................................................................................................................... 110
7.4.11 Single UPM Restart ......................................................................................................................... 110
7.4.12 Single UPS Shutdown ...................................................................................................................... 110
7.4.13 Single UPS Restart .......................................................................................................................... 111
7.4.14 Parallel System and Critical Load Shutdown.......................................................................................... 111
7.4.15 Charger Control .............................................................................................................................. 112
7.4.16 Battery Test ................................................................................................................................... 112
7.4.17 Using the LOAD OFF Command......................................................................................................... 112
7.4.18 Using the Remote Emergency Power-off Switch ................................................................................... 113
88 UUPPSS MMaaiinntteennaannccee..............................................................................................................................................................................................................................................................................111155
8.1 Important Safety Instructions .................................................................................................................... 115
8.2 Performing Preventive Maintenance ........................................................................................................... 115
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