SDU Series Instruction Manual • 7
English version
4.0 System Description
4.1 Front Panel
Surge Protection
Remote
Vout
N
Input:
Industrial UPS
S O L A
POWER ON / OFF / TEST
REPLACE BATTERY /
ON BATTERY (BACK UP MODE)
AC INPUT NORMAL (AC MODE)
OVERLOAD
Circuit Breaker
L
N L
Output:
REMOTE
ON / OFF
+5V–30 V dc
+
–
1
2
3
4
5
6
7
8
1.
Power ON/OFF/Test Button:
Press the button for more than one second to
turn the UPS ON. Press the button for less than one second to activate the
self-testing. Press for more than five seconds to turn OFF.
2.
Battery Warning/Overload Indicator (Red LED):
The LED flashes when the
battery needs to be recharged and tested. The LED will illuminate when the
unit is subjected to an overload condition. If the unit shuts down due to over
-
load, the LED and alarm will continue for two minutes.
3.
ON Battery Indicator (Yellow LED)
: The LED illuminates when the UPS is
supplying battery power to the loads.
4.
Ac Input Normal Indicator (Green LED):
The LED illuminates when the line
input voltage is normal.
5.
IP20-rated Input Screw Terminals
(see table below)
6. IP20-rated Output Screw Terminals
(see table below)
Screw
M3.0; Current rating = 30 A, Ac 300 V
Insulation Withstands Volts
Ac 2000 V min.
PCB Hole Diameter
1.8 mm, wire strip length = 8 mm
Wire Range
10–24 AWG
Screw Torque
5.5 lb.-in.
7.
Input Circuit Breaker:
Protection from ac overload and short circuit.
8. Remote ON/OFF:
The remote switch provides the same functions as the front
panel switch including ON/OFF/Test functions with Green Mode enabled or
disabled.