5. INSTALLATION
9. Recommended wires
Diameter of the
utility power input
wires
R-phase
1AWG
2
/ 35mm
S-phase
6AWG
2
/16mm
T-phase
6AWG
2
/16mm
N wire
1AWG
2
/ 35mm
※
Note
10. If necessary, connect a standard RS232 communication cable between the RS232
Port of the UPS system and the COM port of your computer to remote monitor and
manage the system via WinPower.
Diameter of the
Diameter
UPS output wires
of the
battery
positive
/negative
wires
Diameter
1AWG
0AWG
2
/ 35mm
/ 50mm
of the
output live
wire (L)
Diameter
1AWG
2
/ 35mm
of the
output
neutral
wire (L)
:
(1) The battery positive/negative(+/-) wires are for connection between the system frame
and the battery back. Red wire for positive (+) connection and black wire for negative
(-) connection of the output of the battery pack are recommended.
(2) The user should prepare the wirings according to the above table before installation.
(3) The user should prepare and install breakers on mains distribution panel and output
distribution panel respectively.
(4) Each end of the connecting wires should attach by crimping with an appropriate ring
terminal for connection to the terminal block or the terminal of the breaker.
(5) Conductor screw torque for connection ring terminals on the terminal block in
120kgf.cm is recommended.
(6) Separate the conduits for the wirings of mains input, output of the UPS system and the
external battery pack.
Diameter
Input
of the
Breaker
earth wire
rating of
the
utility
power
6AWG
175A
2
2
/ 220VAC
/16mm
13
Output
Battery
Breaker
Breaker
rating of
the UPS
125A
250A
/ 220VAC
/150VDC
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