Liebert 130 kVA user manual INV OFF VIA Display Load on Bypass

Models: 130 kVA

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User Manual

Hipulse - Single Phase ‘1+N’ UPS System

130 kVA - 110V

5.10Procedure 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.

NORMAL OPERATION

hh.mm.ss dd.mm.yy

NORMAL OPERATION (ECOMODE)

hh.mm.ss dd.mm.yy

WARNING! STOP INVERTER REQUESTED ENTER TO CONTINUE ESC TO CANCEL

INV OFF VIA DISPLAY LOAD ON BYPASS

hh.mm.ss dd.mm.yy

The display window will show the present status of the UPS for normal operation.

The display window will show the following screen for the UPS running in ECOMODE.

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 ESCAPE 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 be accompanied by audible alarm. Pressing the Alarm Silence Switch cancels the audible alarm. Pressing the Alarm Silence Switch cancels the audible, but leaves the warning message displayed until the appropriate condition is rectified.

NORMAL OPERATION

hh.mm.ss dd.mm.yy

NORMAL OPERATION (ECOMODE)

hh.mm.ss dd.mm.yy

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 second the Module Mimic LEDS will change so that the local or the inverter (5) will light steady green and the load on bypass (6) will extinguish.

Return to the normal window.

ECOMODE:

The load on Mimic 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.

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Page 63
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Liebert 130 kVA user manual INV OFF VIA Display Load on Bypass