Installation
12
Figure 9
Input and output connections with dual source, three-phase UPS, single-phase bypass input
supplies
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
.
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).
400V Input
230V
Mains 1 Input ~
Mains 2 Input ~
Output ~
L1
L2
GND
BY
L3
N
Parallel
Connection
N
GND
L
S1
S2
N
GND
L1
230V Bypass Input
Reserved
for future
use
