Ge DIGITAL ENERGY LP 33 User Manual download pdf (Page 35)

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OPM_LPS_3UO_50K_60K_0US_V010.doc Operating Manual LP 33 Series 50 & 60 kVA

7 OPERATION

7.1 PROCEDURES FOR SINGLE LP 33 Series

7.1.1 Start-up of the LP 33 Series

Before connecting hazardous voltages, make sure that:

• The connection to the electrical system has been performed by qualified personnel;

• The equipment frame has been correctly grounded to the main earth;

• Make sure that mains input protection cover is removed;

• All the panels removed to allow the UPS connection have been correctly reinstalled;

• The UPS switches Q1 and Q2 are OFF (Pos. 0);

• The battery Breaker Q3 in Battery cabinet in OFF position.

This procedure must be performed for the first start-up following the installation, with the UPS

completely switched OFF and not powered.

This procedure presupposes that the load is not yet supplied by the UPS system.

NOTE !

The UPS started-up can be done on battery supply in case the input mains is

unavailable.

To avoid an incidental battery discharge, it is recommended to do UPS start-up when

input mains is available.

1. Switch ON the mains power at the input distribution panel.

As a result the UPS performs a self-test and the LCD will show

the following screen:

EXECUTING MAINBOARD

SELF TEST

00000000000

SELF TEST OK!

NOTE !

In case the alarm “4410 - Mains bypass out of

tolerance” persists, please contact your Service

Center.

2. Make connection between battery breaker in battery cabinet and battery terminals in UPS in

case of external battery.

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Ge DIGITAL ENERGY LP 33 User Manual Page 35