BODY AS-PISTON 3294511 - Caterpillar

Note: The upstream circuit breakers on the normal and bypass lines must be open.The UPS must be shut down, the load is not supplied. The doors on the cabinets must be open.Single or Modular UPS
Before starting the sequence, the switches must be in the positions indicated in Illustrations 1 and 2.
Illustration 1 g02459287
UPS cabinet switches
Table 1
UPS cabinet switches    
Q1     Q4S     Q3BP     Q5N    
OFF     OFF     ON     OFF    
Illustration 2 g02459317
Battery cabinet switch
Table 2
Battery cabinet    
QF1    
OFF    
Close the upstream circuit breakers on the normal and bypass lines. Refer to Illustration 3.Note: The load is now supplied.
Illustration 3 g02459421
Upstream power load schematic
Set the switch Q4S to ON position in the UPS cabinet.
Set the switch Q5N to ON position in the UPS cabinet.
Illustration 4 g02459440
UPS cabinet switches
In a single UPS unit only, check that the load is powered.
In a single UPS unit only, check that the bypass LED (2) is on and green. Refer to Illustration 5.
Illustration 5 g02459437
UPS cabinet panel display (1) Input module (PFC) LED (2) Bypass in operation (3) Operation on battery power (4) UPS on LED (5) Load supplied (6) On buttonNote: PFC refers to the sinusoidal input module that is used to eliminate harmonics that are reinjected in the upstream source by the upstream system.
On a modular UPS unit only, check the presence of the UPS unit on the display.
On a modular UPS unit only, check that the load is powered.
Set the Q3BP switch to the OFF position in the UPS cabinet.
Set the Q1 switch to the ON position in the UPS cabinet.
Illustration 6 g02459440
UPS cabinet switches
Wait until the PFC LED (1) lights up green. Refer to Illustration 5.
Switch the circuit breaker QF1 to ON position in the battery cabinet. Refer to Illustration 7.
Illustration 7 g02460616
Battery cabinet switch
Close the doors.
Press the "ON" (6) button on the UPS cabinet display panel. Refer to Illustration 8.
Illustration 8 g02460757
(6) UPS cabinet display panel on buttonThe load is now protected. Refer to Illustration 9.
Illustration 9 g02460759
UPS power load schematicThe following LEDs must be illuminated and green:
PFC (1)
Inverter on (4)
Load supplied (5) Refer to Illustration 10.
Illustration 10 g02460761
UPS cabinet display panel (1) PFC LED (4) Inverter on LED (5) Load LEDUPS Setup as a Frequency Converter
Note: The upstream circuit breakers on the normal and bypass lines must be open.The UPS must be shut down, the load is not supplied. The doors on the cabinets must be open.Before starting the sequence, the switches must be in the positions indicated in Illustrations 11 and 12.
Illustration 11 g02461137
UPS cabinet switches
Table 3
UPS Cabinet Switches    
Q1     Q5N    
OFF     OFF    
Illustration 12 g02459317
UPS battery cabinet switch
Table 4
Battery cabinet switch    
QF1    
OFF    
Close the upstream circuit breaker on the normal AC line.
Set the switch Q1 to the ON position in the UPS cabinet.
Wait until the PFC LED (1 ) lights up green. Refer to Illustration 13.
Illustration 13 g02461282
UPS cabinet display panel (1) PFC LED
Switch the battery cabinet QF1 circuit breaker to the ON position. Refer to Illustration 14.
Illustration 14 g02460616
UPS battery cabinet