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7.1
PROCEDURES FOR SINGLE SG Series 225 & 300
7.1.1 Start-up of the SG Series 225 & 300
WARNING !
Before proceeding to Turn ON the UPS System, ensure that the AC and DC external
isolators are OFF (Pos. O), and prevent their inadverted operation.
Ensure that the output load distribution can be powered and all the output isolators
are open (Pos. O).
Open the front door and make sure that:
All the connections to the input/output bus bars of the UPS have been made correctly.
•
The safety screens are fixed in their position.
•
The UPS Output Switch Q1, Manual Bypass Switch Q2 (option) and the External Battery Switch or
•
Fuses must be open (Pos. O).
Q1
Q2
Q1
UPS Output switch
Q2
Manual Bypass switch (option)
Key
Inverter ON
Inverter OFF
1. Switch-ON the Utility Voltage from the input distribution (both rectifier and bypass if
separated).
At this stage the electronic power supply is switched ON.
The UPS performs a SELFTEST.
A successful termination of the tests will be indicated with
Overall test results "OK".
Commissioning cannot be continued should one or more tests
result to be negative.
Please contact in this case your Service Center.
With "Overall test results - OK" the Synoptic Diagram is displayed.
LED 1 (Utility Rectifier OK) and LED 2 (Utility Bypass OK) must be ON.
The buzzer sounds, press the "MUTE" key to reset acoustical alarm. LED Alarm remains lit.
Modifications reserved
OPM_SGS_USM_M22_M30_2US_V010.doc
LED 1
LED 2
LED 3
LED 4a Discharging Battery
LED 4b Charging Battery
LED 5
Key
Key
Load Off
LEDs on Synoptic Diagram
Utility Rectifier OK
LED 6
Utility Bypass OK
LED 7
Rectifier ON
LED 8
LED 9
LED 10
Inverter available
LED
Stop Operation
Test1 OK
Test2 OK
Test3 OK
Test4 OK
Test5 OK
Test6 OK
Inverter ON
Q1 closed
Automatic Bypass ON
Manual Bypass Q2 ON (option)
Load on UPS
LED
LED
Alarm
Operation
Overall test results
Test7 OK
Test8 OK
Test9 OK
Test10 OK
Test11 OK
Continue ►
Page 45/79
User Manual SG Series 225 & 300 UL S2
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