Vertiv™ |
Liebert® EXM™ UPS 20-100kVA, 50/60Hz User Manual |
50
Figure 28
Typical configuration for single UPS
6.10
Parallel Operations—Determine Control Panel Software Version
Parallel operation differs depending on the software in the control menu. To determine which
version is installed on the UPS, activate the touchscreen menu, touch the Context Menu and
touch
About
.
If the firmware is V1.1, perform the appropriate steps in
6.11 - Parallel Operations—Software
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 form the system AC input source.
Vertiv recommends installing 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 inputs.
7. An internal battery breaker is optional on a UPS with internal batteries;
a battery breaker is factory-supplied with external Liebert battery cabinets.
* Bypass
AC Input
4 Wire + GND
See Note 6
* Rectifier
AC Input
4 Wire + GND
See Note 6
AC Output
208V
4 Wire + GND
Static Bypass
See Note 7
Field-Supplied Wiring
BATTERY
UPS
* External Overcurrent Protection By Others
EXM11002
Rev. 3
Context Menu
Содержание Liebert EXM
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