Shut Down Single System from Normal to Maintenance Bypass Operation
Use this procedure to shut down a single system to maintenance bypass operation with the load supplied through the MBB.
- From the home screen on the display, select Shutdown ending in Maintenance Bypass and follow the steps which appear on the screen. . Select
- Initiate transfer to static bypass by tapping the Transfer Load to static bypass button on the display
interface.
In systems with kirk-keys, the key is released from the solenoid key release unit.
If the UPS system does not transfer to requested static bypass, go to
to see if there are active alarms that prevent the UPS system from transferring to static bypass. - In systems with kirk-keys, insert the key in the lock on MBB and turn to unlock.
- Close MBB.In systems with kirk-keys, the key is held in the lock.
- Open UOB.
- In systems with kirk-keys, turn the key in the lock on
the unit output breaker UOB to lock open.The key is released.
- In systems with kirk-keys, insert the key in the solenoid key release unit and turn to capture the key.
- Open SSIB.
- Initiate transfer to forced static bypass by tapping the Inverter OFF button on the front of the UPS system.
- Open the battery disconnect devices in your specific battery solution.
- Open UIB.