Ge DIGITAL ENERGY LP 33 User Manual download pdf (Page 51)

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

7.2.7 Restore to normal operation after “total off”

NOTE !

Make sure the all units of the parallel system to be status of the activation of “total

off”, i. e. Q1 closed, Q2 open the battery breakers are in ON state.

View of the panel after pressing the button “total off”:

• All Contactors are open.

• Booster, inverter eand Static-Switch shutdown.

LP 33 60kVA P1

APPLICAT. SUPPLY OFF

= 0%

1. Reset “total off” of the parallel system.

Restore the command “total off”, on any one of the units, by

entering the screen: MENU/RESET TOTAL OFF

LED TEST

RESET TOTAL OFF *

The load is supplied by the mains through the automatic

bypass.

The booster starts automatically.

The LCD screen must display on all Units the status:

APPLICATION ON BYPASS

LP 33 60kVA P1

APPLICATION ON BYPASS

= xx%

2. Switch ON the inverter on first unit by entering the screen:

MENU/COMMAND MENU/INVERTER ON

In case of sufficient output power, the output will transfer to

Inverter.

COMMAND MENU

INVERTER ON *

INVERTER OFF

3. Switch ON the inverter on the other units by entering the

screen: MENU/COMMAND MENU/INVERTER ON

(Do not start the next inverter until the sequence of the

one ends – about 10 seconds).

COMMAND MENU

INVERTER ON *

INVERTER OFF

LP 33 60kVA P1

APPLICATION ON UPS

= xx%

As soon as the output power of the inverters is sufficient to

supply the load, the output of the units with running inverter

will transfer to inverter.

The LCD screen must display on all Units the status:

APPLICATION ON UPS

END OF PROCEDURE

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