Shut Down the Single UPS with Four Internal Switches into Maintenance Bypass Operation

NOTE: The following is a generic shutdown procedure. All the switches/breakers mentioned may not be present in your specific system.

Generic shutdown procedure for the single UPS system using external maintenance bypass switch/breaker Ext. MBB:
1. Make sure MBB is open.
2. Select Control > Operation mode > Transfer to bypass operation if possible.
3. Close Ext. MBB.
4. Open UOB (if present).
5. Open SSIB.
6. Open the battery breaker(s).
7. Open UIB.
8. Open MIB and BIB (if present).
Generic shutdown procedure for the single UPS system using maintenance bypass switch MBB (no Ext. MBB present):

NOTE: The following are generic shutdown procedures. All the breakers mentioned may not be present in your specific system.
1. Select Control > Operation mode > Transfer to bypass operation if possible.
2. Close MBB.
3. Open UOB (if present).
4. Open SSIB.
5. Open the battery breaker(s).
6. Open UIB.