Operation
Liebert
®
eXM
™
58
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.
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.
9. Close the battery breaker.
Table 18 Mimic indicators after initialization
LED Status
Rectifier Indicator Green
Battery Indicator Red
Bypass Indicator Green
Inverter Indicator Off
Load Indicator Green
Status Indicator Amber
Table 19 Mimic indicators for normal mode operation with battery breaker open
LED Status
Rectifier Indicator Green
Battery Indicator Red
Bypass Indicator Off
Inverter Indicator Green
Load Indicator Green
Status Indicator Amber
Table 20 Mimic indicators for normal mode operation with battery breaker closed
LED Status
Rectifier Indicator Green
Battery Indicator Off
Bypass Indicator Off
Inverter Indicator Green
Load Indicator Green
Status Indicator Green
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