OnLine Power Battery Backup System - Manual (Page 41)

OLP
Three Phase UPS Systems
4.0 OPERATIONS
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4-2
MIMIC DISPLAY UNDER NORMAL OPERATION
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(e) Push inverter ON switch – To turn on the inverter, the inverter ON switch
( ) and the control switch ( ) must be pressed simultaneously.
The inverter will start working and inverter output will be
established in 4 seconds. The load will automatically be
transferred to the inverter 3 seconds later. Now the UPS is in
normal operation.
(f) Check if the mimic LED is correct, as shown in the figure, above. All
warning LEDs on the right side are off, two LEDs: ‘INVERTER
ON’ and ‘INVERTER SS’ on the left side should be lit. If the load
is over 70%, the ‘70% LOAD’ LED will also be lit.
4.2. Shutdown Procedure
If you want to shutdown the UPS completely (no power at output or inside),
please follow the steps below.
(a) Switch off the inverter – The inverter can be switched off by pressing the
i n v e r t e r O F F s w i t c h ( ) a n d t h e c o n t r o l s w i t c h ( )
simultaneously. The load will be automatically transferred to
reserve without interruption.