Emerson 710NPBA manual Load Disconnect

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User Instructions	UM581127000
Spec. No. 581127000 (Model 710NPBA)	Issue AB, March 22, 2012

Load Disconnect
5/16-18 Nut	Contactor
5/16-18 Nut
5/16" Belleville Lock Washer
5/16" Belleville Lock Washer
(concave side of Belleville
Lock Washers face each other)
5/16" Hardened Flat Washer
(4 places)
Torque to 100 in-lbs.
Apply electrical anti-oxidizing
compound to busbar
mating surfaces.

Contactor styles vary between manufacturer’s.

Violet/White Wire

Violet Wire

Components removed in illustration for clarity only.

Front

2-row Distribution Cabinet shown, 3 or 4-row cabinet similar.

			Red Wire
	Black Wire	Violet/White Wire
	Black Wire	Violet Wire	Black Wire
		Violet Wire

	Red Wire

Figure 4-20

Replacing a Load Disconnect Contactor

in a 2, 3, or 4-Row Distribution Cabinet

Chapter 4. Troubleshooting and Repair

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This document is property of Emerson Network Power, Energy Systems, North America, Inc. and contains confidential and proprietary information owned by Emerson Network Power, Energy

Systems, North America, Inc. Any copying, use, or disclosure of it without the written permission of Emerson Network Power, Energy Systems, North America, Inc. is strictly prohibited.

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Contents UM581127000 Issue AB, March 22 User InstructionsSPEC. NO. Model 581127000 710NPBA Page Table of Contents Battery General SafetyVoltages AC Input Voltages DC Input/Output VoltagesCircuit Card Handling Static Warning Customer Documentation Package Bound System Installation ManualSystem Description USB Drive with All Customer DocumentationDistribution Cabinet Module Mounting AssemblyACU+ Advanced Control Unit Plus Controller Rectifier ModulesRefer to Figure Operating Procedures Local Controls and IndicatorsCONTROLLER, RECTIFIERS, and Optional Converters Estop FunctionIB2 Circuit Card Locations Operating ProceduresSystem Interface Circuit Card Optional LVD Driver Circuit Card Optional LVD Driver Circuit Card P/N Operating ProceduresOptional LVD Driver Lite Circuit Card Middle Position Normal Operation Optional Manual Battery Disconnect Circuit CardSystem Maintenance Procedures Installers connectionsMaintenance Procedures to be Performed at 6-Month Intervals Procedure User Instructions Issue AB, March 22 Spec. No Model 710NPBAInstalling a Field Expansion Module Mounting Assembly User Instructions Spec. No Model 710NPBA Communications Cables Maintenance Spec. No Model 710 Npba Issue AB, March 22Changing the ACU+ LVD Control Level for a Contactor System Troubleshooting Information ACU+ Controller ConfigurationTroubleshooting Alarm Conditions on the ACU+ Controller Contact InformationProcedure Clearing a Converter Lost Alarm Clearing a Rectifier Lost AlarmReplacement Procedures Replacement InformationReplacing a Rectifier or Converter Module Replacing the ACU+ ControllerDistribution Fuse Alarm Fuse Replacement Replacing a Distribution DeviceGeneral Fuseholder Assembly Replacing a TPS/TLS Fuse ProcedureReplacing a Bullet Nose Fuseholder Procedure Insert these terminals Replacing a Bullet Nose Circuit Breaker ProcedureInto corresponding sockets On distribution panelReplacing a TPH Fuse Procedure Replacing a TPL-B Fuse Troubleshooting and Repair Replacing a GJ/218 Circuit Breaker Procedure Installing Circuit Breaker Pole breaker shown Pole and 4-pole breakers similar List AC Only List BC Only Circuit Card Replacement Procedures Issue AB, March 22 Spec. No Model 710 NpbaSystem Interface Circuit Card Replacement Procedure UM581127000 TB2 Spec. No Model 710NPBA Issue AB, March 22 Relay Optional EIB Interface Board Assembly Top View SM-DU+ and Shunt Interface Assembly Replacement Procedure UM581127000 SM-DU+ Spec. No Model 710NPBA Issue AB, March 22 UM581127000 UM581127000 User Instructions Issue AB, March 22 Spec. No Model 710NPBA UM581127000 Replacing a Distribution Panel Procedure Removing the Distribution PanelInstalling the Distribution Panel Replacing a Distribution Panel Troubleshooting and Repair Procedure Removing the Contactor Replacing a Battery or Load Disconnect ContactorInstalling the Replacement Contactor Restarting the Power SystemWhite/Black Wire Spec. No Model 710 Npba Issue AB, March 22 Black Wire Load Disconnect LLP215523 New LLP216783 Misc. updates Revision Record Change Issue Number Description of ChangeDownload service & maintenance reports Online NetPerform Optimization ServicesFor More Information Answers technical product and system