Startup Procedure; Table 18 Mimic Indicators After Initialization; Table 19 Mimic Indicators For Normal Mode Operation With Battery Breaker Open; Table 20 Mimic Indicators For Normal Mode Operation With Battery Breaker Closed - Emerson Liebert EXM User Manual

7.2.1

Startup Procedure

To start the UPS from a fully powered-down condition:
1. Open the external power switch.
2. Open the UPS door.
3. Connect the power supply cables.
4. Ensure the correct phase rotation.
5. Close the external input circuit breaker and connect input power.
The LCD activates. The rectifier indicator flashes while the rectifier is starting. The rectifier
enters normal operation state, and after about 30 seconds, the rectifier indicator stops blinking
and is illuminated in a steady green. After initialization, the bypass static switch turns on. The
mimic LEDs appear as shown Table 18.
Table 18 Mimic indicators after initialization
LED
Rectifier Indicator
Battery Indicator
Bypass Indicator
Inverter Indicator
Load Indicator
Status Indicator
6. Ensure that the Liebert Power Module assembly ready switches are latched (in Down position).
7. Close the external output circuit breaker.
8. Press the INVERTER ON button for 2 seconds. The inverter indicator flashes while the inverter
is starting. After the inverter is ready, the UPS transfers from bypass to inverter, the bypass
indicator turns Off, and the inverter indicator turns On. The UPS is in Normal Mode. The mimic
LEDs will appear as shown below.
Table 19 Mimic indicators for normal mode operation with battery breaker open
LED
Rectifier Indicator
Battery Indicator
Bypass Indicator
Inverter Indicator
Load Indicator
Status Indicator
9. Close the battery breaker.
Table 20 Mimic indicators for normal mode operation with battery breaker closed
LED
Rectifier Indicator
Battery Indicator
Bypass Indicator
Inverter Indicator
Load Indicator
Status Indicator
® ™
Liebert eXM
Status
Green
Red
Green
Off
Green
Amber
Status
Green
Red
Off
Green
Green
Amber
Status
Green
Off
Off
Green
Green
Green
58
Operation