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3. Installation and Setup
Warning:
Improper parallel cable connections will result in abnormal operations. Verify each step while connecting the parallel
cables on each UPS.
Confirm no power is applied to either UPS at this time.
3.6.5 Parallel System Turn On Procedure
1. Make sure to follow
sections 3.6.1 to 3.6.4
correctly.
2. Confirm the input breaker and output breakers of each UPS have been turned “ON”.
3. Turn ON the battery breaker.
4. Turn ON the external AC source breaker to apply AC input source to both UPS systems.
5. Watch for abnormal event messages on the LCD display (refer to section
4.2.7 Event Screen
for more information).
6. Switch ON the UPS by pressing the power button on the UPS front panel or through the control page on the LCD panel (refer to section
4.2.3 Control Screen
for more information).