GE 225, 300 manual Access to the input / output connections

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GE

CAUTION !

Panel “E” should never be removed or replaced with power applied to the UPS. This panel is in close proximity to 480V live buss bars.

Always disconnect the rectifier, bypass, load and battery sources from the UPS before removing or replacing this panel.

If not serious injury or death could occur!

How to access the compression lugs for the cable connections.

Top entry cables

	connection 01US
	300 UPS
	225-
B	SGS_
B

C

A

Q1

E

D

Q2

F

Bottom entry cables

Fig. 3.8.1-1 Access to the input / output connections

To access input, output and Battery Connections proceed as follows:

•Unscrew bolts “B” to open the electronics “A”.

•Remove protection panel “C”.

•Remove protection panel “D”.

•Remove protection panel “E”.

•Remove UPS side panel “F”.

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Installation Guide SG Series 225 & 300 kVA

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Contents SG Series Copyright 2003 by GE Industrial Systems SystemsDear Customer Start UP and CommissioningPreface Table of contents General InstallationBattery StorageSafety instructions when working with battery Risk of electric shock PE Earth GND Ground Safety symbols and warningsSafety warnings Protective Grounding TerminalLayout Layout SG Series 225 and 300 KVATransport Forklift Crane Dimensions and weightWeight SG Series 225 and 300 kVA Transport UPS only in upright positionDelivery Storage of BatteryStorage of the UPS Positioning of the UPS SG Series Place of InstallationCheck -26A of the NEC code for specific requirements Openings for input and output cable connections Fixing of the UPS cabinet on the floorBattery location 1-5 RPA system dispositionVentilation and Cooling CFMUnpacking Take care not to damage the UPS when moving by forkliftPacking material recycling Separate input Rectifier & Bypass recommended Electrical WiringCommon input Rectifier & Bypass Input/output over current protection and wire sizing Neutral current could be greater than the phase currentsWire positive and negative plus Ground Phase, 3 wire plus GroundPhase, 4 wire plus Ground See .7.1-1Copper Wiring Connection Wire Size Range1-1 Access to the input / output connections Common Input Rectifier / Bypass Power connection with common input utilityOutput Load Cable section for this connection shall be not less then AWG L2-1 Rectifier Phase B L2-2 Power connection separate input utilityL1-1 Rectifier Phase a L1-2 L3-1 Rectifier Phase C L3-2BR1 Positive pole of the Battery Battery connectionBattery Do not insert the Battery Fuses before the commissioningSetup for SG Series when functioning as frequency converter Manual Bypass, serious damage to the Load could resultPower Wiring of Parallel Units 1 RPA Parallel SystemUPS Parallel Control BUS ConnectionTerminal units Intermediate unitsControl bus cables connection Access to the control bus connectionControl BUS Cable Location Interface IM0048 going to P13Control bus cables routing 11-3 Control Bus cable routing and connectionCustomer Interface Customer InterfaceOutput potential free contacts 15, 16 Or J2 17, 18 NO, C, NC General Alarm18, 19 Or J2 20, 21 NO, C, NC Acoustic Alarm Or J2 / 1, 2 NO, C, NC Utility FailureGND EPO Emergency Power Off Input contact JP338/38