Vertiv™ |
Liebert® EXM™ UPS 20-100kVA, 50/60Hz User Manual
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17
Figure 6
Single UPS block diagram—Dual input, single source configuration, without bypass cabinet
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.
Vertiv recommends a full-capacity neutral conductor and
grounding conductors.
4. Bypass and rectifier inputs and output cables must be run in separate conduits.
5. Control wiring must be run in separate conduits.
6. Customer must supply shunt trip breakers with 120V coils to the bypass and rectifier.
Field-Supplied Wiring
* External overcurrent protection
by others
* Bypass
AC Input
4-Wire + GND
See Note 6
AC Output
208V
4-Wire + GND
* Rectifier
AC Input
4-Wire + GND
Static Bypass
UPS Cabinet
Battery
Output
Busbar
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