Toshiba G8000 External Breakers, Grounding Wire, Be sure to ground the UPS as specified

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11.2External Breakers

The G8000 UPS units are not equipped with circuit breakers. Qualified personnel should provide the external breakers for the AC input/output, bypass input and DC input.

See Figure 11.1 – External Wiring Diagram, for the circuit position of the breakers.

Table 11.7 shows the G8000 UPS minimum external breaker rating for each capacity. The bypass input and the AC output require 3-pole breakers.

 

Table 11.7 EXTERNAL BREAKER RATING

 

Capacity

AC Input / Bypass Input / AC Output

 

DC Input

Minimum Breaker Rating

 

Minimum Breaker Rating

 

 

100 kVA

480 V - 150 A

 

500 VDC – 400 A

150 kVA

480 V - 225 A

 

500 VDC – 600 A

225 kVA

480 V - 350 A

 

500 VDC – 900 A

300 kVA

480 V - 500 A

 

500 VDC – 1,200 A

11.3Grounding Wire

WARNING

Be sure to ground the UPS as specified.

Using the UPS without a proper ground will deteriorate the insulation, cause leakage of currents and electric shock.The resistance to ground should be less than or equal to 10 ohms.

The 100/150/225kVA earth grounding bus is located inside, at the bottom-front of the unit. The 300 kVA earth grounding bus is located inside, at the top-left of the unit as well.

Use a 2 AWG (or 38mm2) or larger cable for the grounding wire. Run the grounding wire through the opening at the bottom, or through a hole in the top knockout plate (if available). See Figure 11.9. Connect either the top or bottom earth ground bus, but not both, to the grounding wire.

The ground wire must have a crimp terminal with a 1/2” (12mm) diameter bolt hole. The ground bus has 33/64” (13mm) bolt hole. The connect the crimp terminal and ground bus together using a 7/16” (10mm) diameter bolt.

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G8000 Series Installation and Operation Manual

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Contents G8000 Series Page Document November Qualified Personnel only Uninterruptible Power System UPS Purpose Toshiba’s Customer Support CenterToshiba Customer Support Center Toshiba International CorporationTable of Contents 11.3 Introduction Prohibited Symbol indicates do not take action General Safety InstructionsSymbols Signal Words Qualified PersonnelImportant Safety Instructions Factory Authorized PersonnelSafety Precautions DisclaimerGeneral Maintenance Keep the area arround the UPS cleanTransporting/Unpacking Do not tilt the UPS more than 10 from upright positionDo not transport, move, store, or place the UPS on its side Avoid vibration or shock exceeding 0.5GInspection/Storage Keep the Specified Clearance around the UPS Installation PrecautionsInstall the UPS in a controlled environment Do not install the UPS where water may fall on it Do not block air ventsInstallation Precautions Environment standardPage Wiring/Connection Perform wiring and connections with correct polarityConnect only one 1 ground wire to the earth ground terminal Follow the torque criteria for tightening screwsFor 100, 150, 225KVA GND 150/225 kVA UPS Warning Labels Weight and Dimensions Model Unit Shipping300 kVA UPS Exterior Dimensions Inches Transporting Transporting By Crane 8.5 show examples of acceptable and unacceptable operationsTransporting By Forklift Transporting UPS by ForkliftOperating Precautions Storage/Operating EnvironmentPage Qualified Personnel shall Maintenance PrecautionsQualified Personnel only Do not open or mutilate the batteries DisposalDo not dispose of the batteries in a fire Installation Unpacking UPS ClearanceAnchor Bolt Installation Detail Anchor BoltsUPS Wiring External Wiring DiagramTerminal Blocks and Power Cables Block Number Cable Size Tightening TorqueRecommended Cable Size & Tightening Torque for 150 kVA UPS AC Input Bypass AC Output Battery Control Wires CRA-1/OL Plate #4 Bus Number Cable Size Tightening Torque Terminal Bus # RecommendationBe sure to ground the UPS as specified Grounding WireExternal Breakers G8000 100 kVA G8000 150/225 kVA Control Wires Signal Name Operation10 Connection Between UPS, Battery Cabinet & Bypass Breaker Grounding Configuration 11 Grounding Configuration with Input Neutral GroundedGrounding Configuration without input neutral Recommended Configuration for delta-inputGrounding Configuration with corner-grounded delta-input 15 Grounding Configuration with CORNER-GROUNDED DELTA-INPUTUPS Specifications General SpecificationMechanical Specification Terms Specification RemarksRated Capacity 150 kVA 225 kVA 300 kVA Electrical Specification Do not open the front coverOperator Interface UPS may not respond if the button press is too shortKey-Switch and Buttons Graphic display Panel KEY-SWITCH/OPERATING Buttons13.2 LCD/LED Indicators Graphic display Panel LCD/LED INDICAtorsLCD Indicators Name DescriptionNormal Display AC-VO AC- I O 50%Volt Freq .0Hz 50%AC I/P-V Freq .0Hz BYP I/P-V Freq .0HzDC-V BATT-V BATT- I 0A 32TIMFault Display 09-09-06LCD Scroll AbbreveationsEpo and Control Power supply operating switches Operating the UPSPerform the pre-operational check before operating the UPS Operation TypesPre-operational Check Startup Procedures Procedure to start the UPS is shown in StepsAC Vo 480 AC Io 50% Switch Power Supply UPS→Bypass Bypass LED is onStop Complete Shutdown DC-V 0 BATT-V 0 BATT-I 0 aChanging Between Float Charge and Equalize Charge Make sure that the Float Charge LED is onMake sure that the Equal Charge LED is on Types of Errors TroubleshootingEmergency Power Off EPO Faults and Warnings Data Screen 09-09-06LCD Fault & Warning Displays Fault DisplayFault Messages Over HeatLCD Message Indication Description LCD Scroll w/ faults or warnings Button functionsContact Toshiba in the event of malfunction or fault Restoring UPS OperationDo not attempt to modify or relocate the UPS Do not open the front and/or rear panelsPage Page Industrial Division
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