Terminal Blocks For Ups; Connecting Power Cables; Figure 9 Input And Output Connections With Dual Source, Three-Phase Ups, Single-Phase Bypass; Input Supplies - Liebert GXT3-10000T230 User Manual

Figure 9 Input and output connections with dual source, three-phase UPS, single-phase bypass input
supplies
Mains 1 Input ~
L1 L1 L2
400V Input
NOTE
During connection of a 3-phase input system, care must be taken to ensure each phase is
connected to the corresponding phase on the input terminal block. Failure to make connections
correctly could damage the unit.
Output cable cannot exceed 10m (39ft).
3.8

Terminal Blocks for UPS

The three-position maintenance switch includes the output breaker.

Figure 10 Hardwire terminals

3.9

Connecting Power Cables

1. Open the UPS input breaker.
2. Open the UPS output breaker.
3. Remove the terminal area safety cover from the rear UPS panel.
4. Connect loads to the output terminals.
• Connect the mains to the corresponding input terminals (see Figure 3-5).
• If the reserve input is to be supplied separately, connect reserve line to the Mains 2 terminals.
• If the UPS is supplied by a common mains, connect the supplied jumper in the accessory kit
marked "W34" between the first L1 from the left (Mains 1) and BY (Mains 2) as shown in
Figure 8.
L3 N GND BY
Mains 2 Input ~
N GND
230V Bypass Input
12
Output ~
Connection
L N GND S1
230V
Installation
Parallel
S2
Reserved
for future
use