Parallel System Shutdown (No Load Supply) - GE Critical Power SG Series Installation Manual

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7.4.6 Parallel system shutdown (No Load supply)

The Load must be disconnected.

Initial status: Load supplied from all Inverters.

First operated unit

1. Press "total off" button on any one on the units.

• Load is disconnected from UPS.

• Rectifier and Inverter are shut down and all output and input contactors will be opened.

LED's, Rectifier, Inverter and Load are OFF.

First operated unit

2. Open Q1 (Pos. O) on all Units.

First operated unit

Modifications reserved

OPM_SGS_USM_50K_80K_0US_V030.doc

All other units of the system

Operating Manual SG Series 50 & 80 kVA

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