GE 400 User Manual
Also see for 400 Series: Maintenance manualUser manualInstructionInstructionsInstructions
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Modifications reserved Page 53/79OPM_SGS_USM_M40_M50_2US_V010.doc User Manual SG Series 400 & 500 UL S27.1.4 Complete UPS shutdownNOTE !Follow this procedure only in case the UPS system and the Load must be completelypowered-down.If eBoost™ option is available, make sure that eBoost™ Operation Mode is disabledbefore starting this procedure.Initial status:Load supplied from Inverter.1. Press the “Load Off” key.• Load is disconnected from UPS.• Rectifier and Inverter are shut down, all output and inputContactors will be opened.• LED 3 (Rectifier ON), LED 5 (Inverter available) and LED 10(Load on UPS) are OFF.• LED Alarm is lit and the LED Operation is Off.2. Open the UPS Output Switch Q1 (Pos. O).3. Disconnect the Battery from the UPS by opening (Pos. O) the External Battery Switch or Fuses.• Wait 5 minutes for DC-Link Capacitors discharge.4. Disconnect the Utility from the input distribution.• Complete power shutdown will OFF the LCD DisplayPanel.END OF PROCEDUREDANGER !It will take 5 minutes for the DC capacitors to discharge.Open only the front door, do not open any other part of the UPS. |
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