26 Chapter 2 Single UPS Installation And Commissioning
Liebert
®
ITA 16kVA And 20kVA UPS User Manual
ITA 016kVA
Settings
Single
200 208 220 230 380 400 415 480
LBS Function MASTER
Command password
ESC
380V
Output Voltage Level
NONE SLAVE MASTER
*****
14:30:36
ITA 016kVA
Settings
Single
YDN23 Velocity
3 Phase Output or 1 Phase Output Three
ESC
YDN23
Protocol
Three Single
14:30:36
Figure 2-32 Settings interface 3
2.6.3 Normal Mode Start-Up
1. Close the external output MCB and input MCB of the UPS one by one. If the single POD is selected to connect
with the UPS, close the input MCB, bypass MCB and output MCB of the POD.
Warning
After closing the UPS extenal output MCB or the POD output MCB, the output terminal block of the UPS, output terminal block of
the POD and power distribution end of the load will be live, pay attention to personnal safety to avoid electric shock. Note
whether it is safe to feed power to the load.
2. LCD displays the self-test screen; the fault indicator (red) and the inverter indicator (green) are on at the same time
for about five seconds. After the self-test, the UPS enters the bypass state, the fault indicator turns on and the buzzer
beeps for one second.
3. The rectifier runs in normal state for about 30 seconds, the start-up of the rectifier is finished.
4. Finish and check the parameter settings of the single UPS.
5. Press the ON button for two seconds, the inverter indicator (green) blinks, the inverter starts, and the inverter
indicator turns on.
6. Measure whether the inverter output voltage is normal.
7. If the battery is not connected, the fault indicator blinks. If the battery is connected, the fault indicator turns off.
2.6.4 Battery Mode Start-Up
1. Close the battery MCB, and press the battery cold start button on the UPS front panel for two seconds, the LCD
displays the startup screen. The fault indicator (red) will blink and the buzzer will beep continuously after the rectifier
finishes the startup.
2. Press the ON button for two seconds, the inverter starts, and the inverter indicator (green) turns on.