1. Before connection, please confirm that all input and output circuit
breakers are placed to OFF;
2. As shown in Fig. 2-3, remove the terminal block cover, connect
the input cables (live line, neutral line and ground line) respectively
to the corresponding input terminals, and fasten the fixing screws;
Battery cable(-)(long backup time UPS)
Output live line
Output neutral line
Hot standby L terminal
Hot standby B terminal
Input live line
Input neutral line
Input ground line
L
N
B
L
+
_
N
L
Output ground line
Battery cable(+) (long backup time UPS)
Fig. 2-3 Wiring Diagram of Input/output Terminal Block
Notice:
1. To ensure reliable connection, all connection cables must use
cable lug.
2. Never reversely connect the neutral line and the live line!
3. Wall socket power can not be used as UPS input power.
Otherwise, the socket may be burned.
3. Connect the UPS output cables (live line, neutral line and ground
line) and the load power lines (live line, neutral line and ground line)
correctly to a power distribution cabinet, fasten the fixing screws,
and mount the terminal block cover of the UPS.
Note: When connecting the output cables, be sure that the neutral
line, live line and ground line are correctly and reliably connected.
For the sake of safety, the ground line must be connected before the
neutral line and live line.
Chapter 2 Installation 17
E1-20010916-C-1.0
