User Manual Liebert Hipulse E Chapter 9 - Operating Instructions
Single or '1+N' UPS System Procedure
(07/04) Page 9-13
9.10 Procedure to switch ON\OFF the inverter at ups display control panel.
Caution
This operation gives the operator access to modify UPS’s operating mode, it is advised that only trained qualified
personnel should attempt to do that.
The Display window will show
the present status of the UPS:
1. Press the INV switch on the left side of the operator control panel.
2. Confirm this operation as instructed at the display:
Press Enter for 1 second to confirm INV OFF
Press Esc for 1 second to exit
3. If Enter is pressed:
The Module Mimic indicator Load on Inverter ( 5 )will extinguish and the Load on Bypass indicator ( 6 ) will
flash amber, and also the red led (13) will light and normally will accompanied by an audible alarm.
Pressing the Alarm Silence Switch cancels the audible alarm but leaves the warning message displayed until the
appropriate condition is rectified.
Note: In ECOMODE the message ‘LOAD ON BYPASS’ will not appear.
4. Press the INV switch on the operator control panel to start-up the INVERTER.
NORMAL OPERATION: after 20 seconds the Module Mimic LED's will change so that the Load on inverter ( 5 )
will light steady green and the Load on bypass ( 6 ) will extinguish.
Return to the normal window.
ECOMODE: the Load on Mains led (6) stays on while the Load on inverter led (5) will illuminate.
ECOMODE: The following message will appear in the default screen
whenever the UPS is operating in ECOMODE. The load is supplied by the
Bypass Mains.
NORMAL OPERATION
HH.MM.SS DD.MM.YY
WARNING! STOP
INVERTER REQUESTED
ENTER TO CONTINUE
ESC TO CANCEL
NORMAL OPERATION
HH.MM.SS DD.MM.YY
INV OFF VIA DISPLAY
LOAD ON BYPASS
HH MM SS DD MM YY
NORMAL OPERATION
(ECOMODE)
HH.MM.SS DD.MM.YY
NORMAL OPERATION
(ECOMODE)
HH.MM.SS DD.MM.YY
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