Figure 7 Single Ups Block Diagram-Dual Input, Single Source Configuration - Emerson Liebert EXM User Manual

Figure 7 Single UPS block diagram—Dual input, single source configuration
* Bypass
AC Input
4-Wire + GND
* Rectifier
AC Input
4-Wire + GND
NOTES
1. Install in accordance with national and local electrical codes.
2. Input and bypass must share the same single source.
3. A neutral is required from the system AC input source. A full
capacity neutral conductor is recommended. Grounding
conductors are recommended.
4. Bypass and rectifier inputs and output cables must be run
in separate conduits.
5. Control wiring must be run in separate conduits.
6. Optional 54-pole 400A distribution panel or two 225A subfeed breakers.
7. Customer must supply shunt trip breaker with 120V coil. If an optional
Liebert BDC is not present, the shunt trip must be installed to Bypass Breaker.
® ™
Liebert eXM
Bypass Distribution Cabinet
BIB
Static Bypass
UPS Cabinet
Battery
MBB
Optional
Distribution
See Note 6
MIB
BIB - Bypass Isolation Breaker
MBB - Maintenance Bypass Breaker
MIB - Maintenance Isolation Breaker
* External Overcurrent Protection
by others
18
Electrical Connections—UPS
AC Output
208V
4-Wire + GND
Field-Supplied Wiring