4. System Description
Figure
1
: LED Display Panel
Switch
Function
ON - Switch
Turn on UPS system:
By pressing the ON-Switch “I” the UPS system is turned on.
OFF-Switch
When mains power is normal, the UPS system switches to Standby mode by
pressing OFF-Switch . It is then switched to Bypass and the inverter is off. At this
moment, the output sockets are supplied with voltage via the bypass if the mains
power is available.
Multi-Function
Switch
When UPS system turned on, touch this button, “Load capacity LED” and
“Battery capacity LED” will shine by turns, then its capacity will be shown.
Display
Function
LINE mode LED
The LINE mode LED lights up if mains voltage is applied to the UPS input.
LINE mode LED blinks when the phase and neutral conductor have been
reversed at the input of the UPS system.
BAT mode LED
The BAT mode LED lights up when the mains power has failed and the inverter is
being powered by the batteries.
BYPASS mode
LED
The BYPASS mode LED lights up when the UPS system is supplying voltage
provided by the mains power via the bypass.
FAULT mode LED
The FAULT mode LED lights up and an acoustic warning signal is issued
continuously when the UPS system is in fault condition.
LOAD and BAT
capacity LEDs
These LEDs show the load of the UPS system if the LOAD capacity LED light up:
1st LED 0-25% 2nd LED 26-50%
3rd LED 51-75% 4th LED 76-100%
These LEDs show the battery capacity of the UPS system if the BAT capacity LED
light up 1st LED 0-25% 2nd LED 26-50%
3rd LED 51-75% 4th LED 76-100%
6
Load capacity LED
Bat capacity LED
Fault mode LED
Bat mode LED
Indicator 4
Indicator 3
Indicator 2
Indicator 1
Line mode LED
Bypass mode LED
ON – Switch
OFF – Switch
Multi-Function
Switch