Modifications reserved Pagina 71/90
OPM_SPE_XXX_60K_60K_7GB_V010.doc Operatine Manual SitePro 60 kVA
8.2.1 Complete Shut Down
NOTE !
Follow this procedure only in case the UPS system and the load must be completely
powered-down.
Initial situation:
The load is powered by the unit(s) supplying the parallel bus.
The UPS parallel system must be completely powered down.
With the UPS in normal operation and the inverter supplying the load, the switches Q1 and Q4 are ON,
Q2 is OFF, and the external battery circuit breaker or battery fuses inserted.
FOR THE SINGLE VERSION PERFORM THE FOLLOWING OPERATIONS
1 Press key “O” on the control panel and keep it pressed until the inverter switch OFF.
LED 5 and 6 will be OFF, LED 7 will be ON.
If the key “0” is not maintained pressed the load will be automatically transferred back to the
inverter and the inverter stay ON.
The LCD display must indicate ”LOAD ON BYPASS”.
The LEDs 1, 2, 3, 4b, 7 and 8 are ON.
The LEDs 4a, 5, 6 and 9 are OFF.
NOTE !
Before doing the next operation, make sure that you have shut down all equipment,
which is normally powered by the UPS.
2. On the control panel, press the push-button “load off” protected by the sliding red cover.
The output contactor K6 open and the UPS output will be powered down.
3. Turn the input rectifier switch Q4 OFF (0 position).
4. Turn the output switch Q1 OFF (0 position).
5. Disconnect the battery by removing the external battery circuit breaker or fuses.
The electronic boards and the control panel are still supplied from AC power supply.
6. Disconnect the mains from the input distribution.
The UPS will shut down completely.
All the LEDs and the LCD display on the panel must be OFF.
WARNING!
It will take 5 minutes for the DC capacitors to discharge.
Open only the front door, do not open any other part of the UPS.
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