Briggs & Stratton NEMA 3R manual Power Wiring Interconnections

Page 7

Power Wiring Interconnections

All wiring must be the proper size, properly supported and protected by conduit. Utility and generator conduits must enter enclosure above circuit breaker bus in transfer switch. No conductors shall pass over top of control board. Branch circuit conduits must enter sides or bottom of enclosure adjacent to circuit breaker terminals. Do Not use large knockouts in bottom of enclosure.

warning

Low voltage wire cannot be installed in same conduit as power voltage wiring.

•Failure to follow above warning could cause personal injury, damage and/or malfunction of equipment.

Complete the following connections between the transfer switch, main distribution panel, utility power and generator, as shown below.

1.Ensure utility power is turned OFF.

2.Connect main distribution panel feeder conductors from installer-supplied two pole maximum 100 amps “essential circuit breaker” to transfer switch terminals marked “UTILITY”.

3.Connect utility Neutral feeder conductor to the transfer switch “NEUTRAL” terminal.

4.Connect main distribution panel “GND” to transfer switch “GROUND” terminal.

5.Connect all essential branch circuit wiring to appropriate circuit breakers in transfer switch.

6.Connect essential branch circuit Neutral conductors to transfer switch “NEUTRAL” terminals.

From Main
Distribution	From Generator
Panel	From Generator

Utility

Connection

Generator

Connection

	Supervisory
	Contacts
	Neutral
Ground Bus	Terminal
Ground Bus
	Ground Bus
To	To
Essential	Essential
Branch	Branch
Circuits	Circuits

Essential Branch

Circuit Buss

7

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Contents Amp Nema 3R Automatic Transfer Switch Transfer Switch Where to Find UsDate Purchased Table of Contents Use transfer switch only for intended uses Important Safety InstructionsBRIGGSandSTRATTON.COM Owner Orientation Installer ResponsibilitiesIntroduction For the Home OwnerMounting Guidelines InstallationShipment Contents UnpackingPower Wiring Interconnections Supervisory Control Wiring Operation System SetupTesting the Automatic Transfer Switch ControlsAmps MaintenanceSpecifications UL 1008 Listed Transfer Switch ModelProblem Cause Correction TroubleshootingTransfer Switch Schematic Transfer Switch Wiring Diagram Transfer Switch Exploded View & Parts List Parts Not Illustrated DescriptionWarranty Amp Nema 3R Conectador Automático Dónde puede encontrarnosFecha de compra Mantenimiento Instrucciones importantes de seguridadInstalación Mandos Sistema funcionamientoInstrucciones importantes de seguridad Conserve estas instruccionesResponsabilidades del instalador IntroducciónPara el propietario doméstico Orientación para el propietarioInspección al momento de la entrega InstalaciónDesempaque Pautas de montajeNeutral Interconexiones de cableado de energíaCableado de control de supervisión Prueba del conectador automático Configuración del SistemaMandos Sistema funcionamientoEnfriamiento del motor MantenimientoEspecificaciones RetransferenciaReparacion de averías Problema Causa AcciónGarantia Guide d’Installation et d’Utilisation Commutateur de Transfert Où nous trouverDate d’achat Dépannage Garantie Commandes FonctionnementDirectives de sécurité importantes EntretienSécurité Instalación FonctionnementCommandesVeuillez conserver ces instructions Directives de sécurité importantesDescription de l’Équipement Responsabilités de l’InstallateurAu Propriétaire Résidentiel Conseils au PropriétaireVérification de la Livraison Consignes d’installationCommandes DéballageInterconnexions du câblage d’alimentation Sécurité Instalación CommandesFonctionnement Entretien Dépannage Garantie Sécurité Instalación Câblage de contrôleMise à l’essai du commutateur de transfert automatique CommandesConfiguration du système FonctionnementRefroidissement du moteur EntretienCaractéristiques RetransfertDépannage Dépannage Garantie Fonctionnement Entretien