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Installation & Operator’s Manual
100 Amp NEMA 3R
Automatic Transfer Switch
™
with AC Power Control Module
Part No. 202267GS Rev. A (11/06/2007)
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Thank you for your purchase of this Briggs & Stratton Power Products Automatic Transfer Switch. This product is intended for use with Briggs & Stratton Home Standby Generator sets and therefore may not function with generators produced by other manufacturers. Seek a qualified electrical professional to determine applicability of this equipment to generators aside from those manufactured by Briggs & Stratton. This is an optional home standby system which provides an alternate source of electr
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Table of Contents Important Safety Instructions. . . . . . . . . . . . . . . . . . . . . . . . 4 Owner Orientation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Installer Responsibilities . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Equipment Description. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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Save These Instructions Important Safety Instructions WARNING This is the safety alert symbol. It is used to alert you to potential personal injury hazards. Obey all Failure to properly ground transfer switch can safety messages that follow this symbol to avoid result in electrocution. possible injury or death. The safety alert symbol ( ) is used with a signal word • DO NOT touch bare wires or receptacles. (DANGER, CAUTION, WARNING), a pictorial and/or a safety • DO NOT use transfer sw
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Installer Responsibilities Introduction • Read and observe the safety rules. Your Briggs & Stratton Transfer Switch is supplied with this • Read and follow the instructions given in this manual. combined “Installation and Operator’s Manual”. This is an • Check federal, state and local codes and authority important document and should be retained by the owner having jurisdiction, for questions on installation. after the installation has been completed. • Ensure generator is not overloaded
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Mounting Guidelines Installation The Automatic Transfer Switch is enclosed in a NEMA Type 3R enclosure suitable for indoor/outdoor use. Unpacking Guidelines for mounting the Automatic Transfer Switch include: Delivery Inspection • Install the switch on a firm, sturdy supporting structure. After removing the carton, carefully inspect the transfer • The switch must be installed with minimum NEMA 3R switch components for any damage that may have occurred hardware for conduit connections. du
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Complete the following connections between the transfer Power Wiring Interconnections switch, main distribution panel, utility power and generator, All wiring must be the proper size, properly supported and as shown below. protected by conduit. Utility and generator conduits must 1. Ensure utility power is turned OFF. enter enclosure above circuit breaker bus in transfer switch. No conductors shall pass over top of control board. Branch 2. Connect main distribution panel feeder conductor
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7. Connect generator power supply conductors from the Supervisory Control Wiring generator’s control panel to transfer switch terminals The supervisory control terminal strip on the control module marked “GENERATOR”. Each conductor should pass in the transfer switch has four connections for customer use. through hole of current transformer before making There are two sets of “Normally Closed” contacts available. connection. They will be activated when generator power is required. 8. Co
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System Setup Operation You must perform the following before operating the system: To select automatic transfer operation, do the following: • If generator is installed in an area regularly subjected 1. Set essential circuit breaker that sends utility power to to temperatures below 40°F (4°C), select a 50 second transfer switch to “On” position. warm up time by moving jumper installed on JP2 from 2. Set generator’s main circuit breaker to its “On” ‘20’ position to ‘50’ position. position
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Specifications Maintenance The transfer switch is designed to be maintenance free under UL® 1008 Listed Transfer Switch normal usage. However, inspection and maintenance checks Model 071007 should be made on a regular basis. Maintenance will consist mainly of keeping the transfer switch clean. Maximum Load Current:. . . . . . . . . . . . . . . . . . . . 100 Amps Visual inspections should be done at least once a month. Rated AC Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . 250 V
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Troubleshooting Problem Cause Correction Automatic transfer switch does not 1. Generator breaker open. 1. Reset generator circuit breaker. transfer to generator 2. Generator voltage not acceptable. 2. Refer to generator manual. 1. Essential circuit breaker in main 1. Reset essential circuit breaker. disconnect panel open. Automatic transfer switch does not 2. Wait for utility voltage to return to transfer to utility 2. Utility voltage not acceptable. normal. Generator is still running aft
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Transfer Switch Schematic TRANSFER SWITCH N1 E1 T1 ESSENTIA L BRANCH UTILITY SUPPLY GENERATOR SUPP LY CIRCUIT BREAKER BUS 240VAC 240 VAC T2 N2 E2 NC NC N1 E1 NO NO F1 556 TO GENER ATOR 128 UTILITY E1 F2 N1 127 240 VAC E N 2 AMP FUSE E2 N2 205 206 J3 J2 J1 J4 J6 J5 CT2 CONTROL BOARD CT1 A A B B 12 BRIGGSandSTRATTON.COM
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Transfer Switch Wiring Diagram FROM MAIN DISTRIBUTION PANEL CONTROL BOARD 205 556 CT1 N1 J6 J5 CT2 N2 J4 N1 127 J3 B J2 B J1 A A TRANSFER SWITCH N2 FUSE HOLDER 128 E1 E2 E1 206 UTILITY 240 VAC FROM GENER ATOR 13
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Transfer Switch Exploded View & Parts List 14 BRIGGSandSTRATTON.COM
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Item Part # Description 1 NSP ASSY, Enclosure 2 NSP BACK PANEL 3 195667GS TRANSFER SWITCH, 100A 4 * HHS, Trilobular, #10 - 32 x 1/2 5 198725GS BREAKER Circuit 6 * WASHER, Ext. Tooth, #10 7 * HHS, Trilobular, #6- 32 x 3/8 8 193664GS INSULATION, Dead Front 9 197279GS CONTROL, Board 10 197979GS SPACER, PCB Board, 1/2 11 198722GS BREAKER Circuit 12 198721GS BREAKER Circuit 13 198723GS BREAKER Circuit 14 NSP BUS, Double Rw Brkr Mntng 15 204511GS COVER, Circuit Board 16 B4857G
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Warranty BRIGGS & STRATTON POWER PRODUCTS GROUP, LLC TRANSFER SWITCH OWNER WARRANTY POLICY Effective November 1, 2005 replaces all undated Warranties and all Warranties dated before November 1, 2005 LIMITED WARRANTY Briggs & Stratton Power Products Group, LLC will repair or replace, free of charge, any part(s) of the equipment that is defective in material or workmanship or both. Transportation charges on product submitted for repair or replacement under this warranty must be borne by purchase
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Manual de Instalación y del Operario 100 Amp NEMA 3R Conectador automático ™ con AC Power Control Module
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Gracias por comprar este conectador automático Briggs & Stratton Power Products. Este producto está pensado para funcionar con generadores de reserva domésticos Briggs & Stratton, por lo que es posible que no pueda utilizarse con generadores de otros fabricantes. Consulte con un electricista cualificado para determinar si este equipo es adecuado para funcionar con generadores no fabricados por Briggs & Stratton. Este producto es un sistema doméstico de reserva opcional y proporciona una fuen
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Índice Instrucciones importantes de seguridad . . . . . . . . . . . . . . . . 4 Orientación para el propietario. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Responsabilidades del instalador. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Descripción del equipo. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Instalación . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 Desempaque . . . . . . .
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Conserve estas instrucciones Instrucciones importantes de ADVERTENCIA seguridad Si no hace tierra apropiadamente con un Éste es el símbolo de alerta de seguridad. Sirve conmutador de transferencia, puede hacer que ocurra un electrocutamiento. para advertir al usuario de un posible riesgo para su integridad física. Siga todos los mensajes de • NO toque los alambres pelados o receptáculos. seguridad que figuren después de este símbolo • NO use un conmutador de transferencia con cables p
