2.26 - UPS SYSTEM
Schematics & Parts mySelective.com
CHAPTER 2 35
TABLE 2.1 OPERATING AND DISPLAY PANEL
SWITCH FUNCTION
ON - SWITCH 1. Turn on the UPS system:
By pressing the ON - Switch ”
I” the UPS system is turned on.
2. Deactivate acoustic alarm:
By pressing this switch an acoustic alarm can be deactivated.
STANDBY - SWITCH
The UPS system switches to standby mode when the standby button ” ” is pressed.
It is then switched to bypass and the inverter is off. the output sockets are supplied
with voltage via the bypass if the mains power supply is available.
DISPLAY FUNCTION
LINE - LED 1. The green LINE LED lights up if mains voltage is applied to the UPS input.
2. If LINE LED and BATTERY LED light up, the mains power supply is out of tolerance.
BATTERY - LED The orange coloured BATTERY LED lights up when the mains power supply has failed
and the inverter is being powered by the batteries.
BYPASS - LED The orange coloured BYPASS LED lights up when the UPS system is supplying voltage
provided by the mains power supply system via the bypass.
INVERTER - LED The green coloured INVERTER LED lights up when the inverter of the UPS system
works and the UPS output feed.
FAULDT - LED The red FAULT LED lights up and an acoustic warning signal is issued every second
when the UPS system is in fault condition.
The red FAULT LED lights up and an acoustic warning signal is issued when the UPS
system is in fault condition. Press the standby switch in order to turn off the warning tone.
Load and battery
capacity LED
1. These LEDs signal the UPS system load if the mains power ia available (normal
operation):
1st LED 1-35%
2nd LED 35-55%
3rd LED 55-75%
4th LED 75-95%
5th LED 95-100%
2. In the case of battery operation, the LEDs indicate the capacity of the batteries:
1st LED 1-35%
2nd LED 35-55%
3rd LED 55-75%
4th LED 75-95%
5th LED 95-100%
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