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OPM_SPE_XXX_10K_40K_8GB_V020.doc Operating Manual SitePro 10-15-20-30-40 kVA / S8
8.2 PROCEDURES FOR SitePro PARALLEL SYSTEM
8.2.1 SitePro Parallel System start-up
WARNING !
Before proceeding to turn on the UPS Parallel System, ensure that the AC and DC
external isolators are OFF, and prevent their inadverted operation.
Ensure that the output load distribution can be powered and all the output isolators
are open.
Open the front door
on all UPS units and make sure that:
• All the connections to the input/output terminals of the UPS have been made correctly.
• The safety screens are fixed in their position.
• The switches Q1, Q2 and Q4 are open (Pos. O), and the battery fuses F8 – F9 are disconnected.
LEDs on synoptic diagram
SP_010-040_S6_Q1 Q2 Q4_01
O
OFF
I
ON
OFF
O
I
ON
OFF
O
I
ON
Q1
Q2
Q4
Q1 Output UPS switch
Q2 Manual bypass switch
Q4 Input rectifier switch
LED 1 Input mains rectifier
LED 2 Input mains bypass
LED 3 Rectifier ON
LED 4a Discharging battery
LED 4b Charging battery
LED 5 Inverter ON
LED 6 Load on inverter
LED 7 Q1 closed
LED 8 Load on automatic bypass
LED 9 Manual bypass Q2 ON
LED 10 Load on UPS
Key Key Key LED LED LED
Battery fuses F8 – F9
Inverter ON Inverter OFF
Load Off Stop Operation Alarms Operation
1.
Switch-ON the mains voltage, on all UPS units, from the input distribution (both rectifier and
bypass if separated).
At this stage the electronic power supply is switched ON and the buzzer sounds.
LED 2 (input mains bypass) must be ON.
Press “MUTE” key to reset acoustical alarm. LED Alarm remains lit.
Overall test results
Test1 OK Test7 OK
Test2 OK Test8 OK
Test3 OK Test9 OK
Test4 OK Test10 OK
Test5 OK Test11 OK
Test6 OK
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 Centre.
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