Installation & Operator’s Manual
100/200 Amp Automatic
Transfer Switch Not withReproductionService Disconnect and Symphony™ II PowerforManagement System
Questi ns?
Help is just a moment away! Call: Transfer Switch Helpline 800-743-4115 M-F 8-5 CT
Thank you for your purchase of this Briggs & Stratton® Power Products automatic transfer switch. This product is designed for use with specific home standby generators and may not function with generators or remote modules produced by other manufacturers. Seek a qualified electrical professional to determine applicability of this equipment to equipment manufactured by others. When operated and maintained according to the instructions in this manual, your system will provide many years of dependable service.
This manual contains safety information to make you aware of the hazards and risks associated with this system and how to avoid them. We have made every effort to provide for a safe, streamlined and cost-effective installation. As each installation is unique, it is impossible to know of and advise of all conceivable procedures and methods by which installation might be achieved. We do not know all possible hazards and/or the results of each possible method or procedure. It is important that you read and understand these instructions thoroughly before attempting to install or operate this equipment. Save these original instructions for future reference.
This transfer switch and optional remote modules require professional installation before use. Refer to the Installation section of this manual and the installation instructions packaged with the remote modules for instructions on installation procedures. Only licensed electrical contractors should install transfer switches and remote modules. Installations must strictly comply with all applicable federal, state and local codes, standards and regulations. Your installer should follow the instructions completely.
Where to Find Us
You never have to look far to find Briggs & S ra n supp rt and service for your system. Consult your Yellow Pages. There are many authorized service dealers who pr vide quality service. You can also contact Technical Service by ph e at 800-743-4115 between 8:00 AM and 5:00 PM CT, r click n Find a Dealer at BRIGGSandSTRATTON.COM, which pr vides a list of authorized dealers.
For Future Reference
Copyright © 2011. Briggs & Stratton Power Products Group, LLC
Milwaukee, WI, USA. All rights reserved.
Please fill out the information below and keep with y ur receipt to assist in unit identification for fu ure pur |
hase issues. |
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Transfer Switch |
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Remote Module |
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Briggs & Stratton Power Products is a registered trademark of Briggs & Stratton Corporation Milwaukee, WI, USA
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BRIGGSandSTRATTON.COM |
Table of Contents
Important Safety Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . .4
Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
Home Owner Responsibilities . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
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Owner Orientation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
. . 5 |
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Installing Dealer/Contractor Responsibilities . . . . . . . . . . . . . . . . . . . . . . . . |
. 5 |
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Equipment Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
. 5 |
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Delivery Inspection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
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Mounting Guidelines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
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Power Wiring Interconnections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
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Supervisory Control Terminals. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
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System Setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
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Remote Module Setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
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Testing the Automatic Transfer Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
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Testing the Symphony™ II Power Management System . . . . . . . . . . . . . . |
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Controls |
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Reproduction |
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Operation . |
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Symphony™ II P wer M nit r (Optional) . . . . . . . . . . . . . . . . . . . . . . . . . . . |
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Enclosure D r . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
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Status LED’s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
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Remote Module LED Status Indicato s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
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Maintenance. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
20 |
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Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
21 |
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Transfer Switch Schematic Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
22 |
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Transfer Switch Wiring Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
23 |
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Warranty. . |
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Product Specificationsfor. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
26 |
3
Save These Instructions
Important Safety Instructions |
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WARNING Shock Hazard. Installing low and high |
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SAVE THESE INSTRUCTIONS - This manual contains |
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voltage wire in same conduit could result in death, |
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serious injury and/or property damage. |
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important instructions that should be followed during |
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installation and maintenance of the equipment. |
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Do not run low and high voltage wire in the same conduit |
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Safety Symbols and Meanings |
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unless the insulation rating on ALL wiring is rated for |
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600V. See NEC for more information. |
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WARNING Failure to properly ground equipment |
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Electrical Shock |
Read Manual |
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could cause electrocution resulting in death or |
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The safety alert symbol indicates a potential personal |
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serious injury. |
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injury hazard. A signal word (DANGER, WARNING, or |
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Do not touch bare wires. |
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CAUTION) is used with the alert symbol to designate a |
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degree or level of hazard seriousness. A safety symbol |
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Do not use equipment with worn, frayed, bare or |
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may be used to represent the type of hazard. The signal |
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otherwise damaged wiring. |
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word NOTICE is used to address practices not rela ed o |
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Do not handle electrical cords while standing in water, |
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personal injury. |
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Reproduction |
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while barefoot, or while hands or feet are wet. |
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DANGER indicates a hazard which, if n t av ided, will |
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If you must work around a unit while it is operati g, sta |
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result in death or serious injury. |
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on an insulated dry surface to reduce shock hazard. |
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WARNING indicates a hazard which, if n t av ided, c uld |
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service equipment. |
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result in death or serious injury. |
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In case of an accident caused by elec r cal sh |
ck, |
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CAUTION indicates a hazard which, if not avoided, could |
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immediately shut down all sources f elec r cal p wer |
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result in minor or moderate injury. |
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and contact local authorities. Avo d d rect c ntact with |
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NOTICE addresses practices not related to personal injury. |
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the victim. |
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The manufacturer cannot possiblyNotanticipate every p ssible |
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circumstance that might involve a hazard. The warnings in |
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WARNING Equipment |
ontains high voltage that |
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this manual, and the tags and decals affixed to the unit are, |
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could ca se ele tro |
tion resulting in death or |
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therefore, not all-inclusive. If you use a procedure, work |
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serio s inj |
ry. |
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method or operating technique that the manufacturer does |
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Despite the safe |
esign of the system, operating this |
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not specifically recommend, you must satisfy yourself that |
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equipment impr |
ently, neglecting its maintenance or |
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it is safe for you and others. You must also make sure forthat |
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the procedure, work method or operating technique that you |
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being careless could result in death or serious injury. |
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choose does not render the equipment unsafe. |
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NOTICE Impr per treatment of equipment could damage |
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it and sh rten its life. |
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WARNING Certain components in this product and |
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Use equipment only for intended uses. |
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related accessories contain chemicals known to the |
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If you have questions about intended use, ask dealer or |
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State of California to cause cancer, birth defects, or other |
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reproductive harm. Wash hands after handling. |
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contact Briggs & Stratton Power Products. |
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Do not expose equipment to excessive moisture, dust, |
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NOTICE Only qualified electricians should att m t |
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dirt, or corrosive vapors. |
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installation of this equipment, which must strictly comply |
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Remain alert at all times while working on this equipment. |
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with applicable codes, standards and r gulations. |
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Never work on the equipment when you are physically or |
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mentally fatigued. |
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If connected devices overheat, turn them off and turn off |
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their circuit breaker/fuse. |
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4 |
BRIGGSandSTRATTON.COM |
Installation |
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Installing Dealer/Contractor Responsibilities |
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We sincerely appreciate your patronage and have made |
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• Read and observe the Important Safety Instructions. |
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Read and follow the instructions given in this manual. |
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significant effort to provide for a safe, streamlined and cost- |
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effective installation. Because each installation is unique, it is |
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The installer may need to provide appropriate rated |
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impossible to know of and advise the trade of all conceivable |
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contactors based on loads to be controlled. |
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procedures and methods by which installation might be |
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Discuss with owner their load priority preferences to |
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achieved. Neither could we know of possible hazards and/or |
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decide on remote module priority settings. |
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the results of each method or procedure. |
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Check federal, state and local codes and authority |
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For these reasons, only current licensed electrical |
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having jurisdiction, for questions on installation. |
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professionals should attempt system installations. |
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Ensure generator is not overloaded with selected loads. |
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Installations must strictly comply with all applicable |
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If you need more information about the transfer switch, call |
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codes, industry standards and regulations. |
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Your equipment is supplied with this combined “Installation |
800-743-4115, between 8:00 AM and 5:00 PM CT. |
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and Operator’s Manual”. This is an important document and |
Equipment Description |
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should be retained by the owner after the installation has |
The transfer switch is designed to transfer selected loads |
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been completed. |
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Every effort has been made to make sure that |
he informa ion |
found in normal residential installations to standby power in |
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the event of a primary power outage. The load is connected |
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in this manual is both accurate and current. However, he |
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either to utility power (normal) or home standby power |
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manufacturer reserves the right to change, al er or o herwise |
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(generator). The transfer switch monitors utility a d ge erator |
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improve the system at any time with ut pri r n |
ice. |
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voltages and will automatically connect loads to the |
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Home Owner Responsibilities |
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appropriate source of power. |
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To help you make informed choices and c mmunicate |
The Symphony™ II Power Management System is highly |
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flexible and utilizes individual high and l w v ltage m dules |
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effectively with your installation contract r(s), read and |
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that can be mounted anywhere be ween he h me’s main |
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understand Owner Orientation before contracting or |
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dist ibution panel and the managed appl ance. Designed |
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starting your equipment installation. |
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to communicate via your home’s ex s ng power w ring, the |
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To arrange for proper installation, contact the store at which |
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wer demand and priority sequen e of up o 8 appliance |
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Not p |
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you purchased your equipment, your dealer, or your utility |
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ads are relayed ba k to the s andby genera or, effectively |
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power provider. |
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preventing generator overload while expanding power range |
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The equipment warranty is VOID unless the system is |
and performance. The system is s alable and additional |
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installed by licensed electrical professionals. |
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relays can be added as a homeowner’s power management |
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Owner Orientation |
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s change over time. |
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for |
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The illustrations provided are for typical circumstances and |
Only a licensed electrician sho ld complete a home standby |
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installation. Service con uit and conductors can be wired |
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are meant to familiarize you with the installation options |
directly fr m the watt-hour meter to the transfer switch. A |
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available with your system. |
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sepa ate service entrance disconnect and associated wiring |
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Local codes, appearance, and distances are the factors that |
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t equired when installed per applicable federal, state |
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must be considered when negotiating with an installation |
and l cal c des, standards and regulations. |
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professional. As the distance from the existing electrical |
Major components of the transfer switch are a 2 pole utility |
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service increases, compensation in wiring materials must be |
disconnect circuit breaker, a 2 pole generator disconnect |
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allowed for. This is necessary to comply with local codes and |
circuit breaker, a 2 pole double throw transfer switch, transfer |
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overcome electrical voltage drops. |
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rall |
switch control circuit board, Symphony II power management |
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These factors will have a direct effect on the ov |
system control circuit board, fused utility terminals and |
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price of your equipment installation. |
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interconnecting wiring. All of these components are housed |
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Your installer must check local codes AND obtain p |
rmits |
in a NEMA 3R enclosure that is suitable for both indoor and |
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outdoor installations. |
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before installing the system. |
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The transfer switch is solenoid-operated from utility or |
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Read and follow the instructions given in this manual. |
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generator inputs and contain suitable mechanical and |
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Follow a regular schedule in caring for and using your |
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electrical interlock switches to eliminate the possibility of |
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equipment, as specified in this manual. |
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Reproductionconnecting the utility service to the generator output. It |
has ratings capable of switching full utility power into the residence. In addition, a manual override lever is provided for the transfer function.
5
The transfer switch control board has active circuits sensing |
Delivery Inspection |
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utility and generator voltages. It creates a signal for generator |
After opening the carton, carefully inspect the transfer |
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start-up, switch transfer and retransfer when utility is |
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switch components for any damage that may have occurred |
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restored. The transfer switch control board provides status |
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during shipment. |
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LED’s to indicate the power source available. |
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If loss or damage is noted at time of delivery, have the |
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The Symphony™ II power management system control |
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person(s) making delivery note all damage on the freight bill |
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board contains a test button, a status LED and eight priority |
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and affix his signature under the consignor’s memo of loss or |
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load LED’s. It creates and sends signals to optional remote |
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damage. If loss or damage is noted after delivery, contact the |
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modules, instructing them when to add (turn power on) or |
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carrier for claim procedures. Missing or damaged parts are |
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shed (turn power off) the managed load. |
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not warranted. |
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The Symphony II system power line carrier technology has |
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Shipment contents: |
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been rigorously tested and has proven to be very robust. |
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However, certain types of devices and appliances in the |
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Automatic transfer switch |
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home generate ‘noise’ on the power line. Such devices |
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Installation and operator’s manual |
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may include non-residential fluorescent ballasts, dimmers, |
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Current transformers (2) |
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speed controls (lighting and fans), bathroom equipment, |
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kitchen equipment, power tools, phone chargers, and power |
Optional components: |
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supplies. These types of devices have the grea est impact on |
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• 50 Amp module |
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power line communication when located close o a remo e |
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Low voltage module (single or dual models) |
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module. |
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AM broadcast radio, X10, power line carrier (PLC), |
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Symphony™ II power monitor |
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uninterrupted power supply (UPS), transient v l age surge |
To be supplied by installer: |
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suppression (TVSS) systems, and p wer filter techn l gy |
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may also cause the Symphony II system to n |
t perate as |
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Connecting wire and condu t |
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intended. They may cause interference with the Symph ny II |
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Va ious specialty tools/equipment |
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system during standby power operation. |
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Mounting Guidelines |
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If it is determined that power line noise is causing a |
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communication issue with the Symphony II system, the |
The t ansfer switch system ir ui ry s en losed n a |
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NEMA Type 3R enclosure sui able for indoor/outdoor use. |
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following changes may remedy the issue. |
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Have commercial (non consumer use) fluorescent |
Guidelines for mounting the en losure in lude: |
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ballasts replaced with residential use ballasts. |
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Install enclos re on a firm, st rdy supporting structure. |
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Have a EMI/RFI filter installed in series and near the |
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The transfer switch enclos re must be installed with |
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problematic device. |
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forminimum NEMA 3R hardware for conduit connections. |
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Have the remote module rewired to the opposite power |
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To prevent switch contact distortion, level and plumb |
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line (Line 1 or Line 2) from that of the problematic |
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the enclosure. This can be done by placing washers |
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device. |
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between the enclosure and the mounting surface. |
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Refer to Troubleshooting section. |
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NEVER install the switch or remote modules where any |
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The optional 50 Amp remote module is designed for cont ol |
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c |
sive substance might drip onto the enclosure. |
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by the Symphony II system to add or shed appliance loads |
P tect the switch at all times against excessive |
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connected to it based on a user-defined priority setting. |
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moisture, dust, dirt, lint, construction grit and |
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This remote module manages 120VAC or 240VAC, single |
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corrosive vapors. |
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or double pole loads up to 50 amperes. The r |
mote |
A ty |
ical automatic transfer switch installation is depicted on |
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module’s relay state is normally open. Its compon nts are |
the next page. Examples of remote module installations are |
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housed in a NEMA 4 enclosure suitable for indoor and |
also shown. It is best if the transfer switch is mounted near |
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outdoor installations. |
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sign d for |
the utility meter, either inside or outside. The remote module |
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The optional low voltage remote module is d |
can be located anywhere between the main distribution panel |
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control by the Symphony II system to add or shed an air |
and its connected load, either inside or outside. The remote |
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conditioner, heat pump, or low voltage contactor controlled |
module must be accessible for service. Discuss layout |
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loads based on a user-defined priority setting. The remote |
suggestions/ changes with the owner before beginning the |
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module is housed in a NEMA 4 enclosure suitable for indoor |
system installation process. |
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and outdoor installations. |
Reproduction |
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6 |
BRIGGSandSTRATTON.COM |
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Transfer Switch |
Watt - |
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w/ Service |
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Disconnect |
Hourmeter |
Optional |
and Symphony |
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System |
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50A Remote |
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Module |
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Main |
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Distribution |
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Panel |
Generator |
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Branch |
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Hot Water |
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Circuits |
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Heater |
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Air |
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Op ional |
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LV Remo e |
Conditioner |
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Reproduction |
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M dule |
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A/C |
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Therm stat |
Serv ce D sc ect |
Example of 240VAC air |
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for |
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conditioner load controlled by |
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thermostat. Thermostat controlled |
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by low voltage remote module. |
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7
Example of 240VAC heat pump load controlled by a dual low voltage remote module.
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Not |
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Example of two 240VAC air |
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ReproductionL1 IN |
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conditioner loads controlled by |
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for |
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thermostat. Thermostats controlled |
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by dual low voltage remote module. |
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G |
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N |
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L1 IN |
#1 |
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L2 |
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The mostat |
#2 |
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N |
#1 |
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Low Voltage |
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L |
Control Wiring |
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#2 |
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Dual Low |
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Voltage Module |
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N |
G |
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L2 |
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Distribution Panel |
8 |
BRIGGSandSTRATTON.COM |
Example of two 120VAC loads controlled by 50 Amp remote module.
L2 IN |
L2 OUT |
L1 IN |
L1 OUT |
Neutral IN |
Neutral OUT |
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Not |
Example of one 240VAC load |
Reproduction |
controlled by 50 Amp remote |
for |
module. |
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L2 IN |
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L2 OUT |
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L1 IN |
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L1 OUT |
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Neutral IN |
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Neutral OUT |
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9 |
Power Wiring Interconnections |
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9. |
Connect main distribution panel ground to transfer |
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NOTICE Improper installation could cause damage to the |
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switch “GND” terminal. |
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circuit boards and shorten their life. Installing circuit boards |
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in live circuits will damage the board and is not covered by |
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warranty. ALWAYS disconnect ALL sources of power prior |
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44 |
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11 |
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to servicing. |
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• |
Remove all power prior to installing this equipment. Failure |
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to do so could cause internal damage to the board when |
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making electrical connections. |
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Circuit |
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0 |
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Breaker |
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22 |
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• |
Turn generator to OFF position. |
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• |
Turn off utility power to the standby generator and |
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transfer switch. |
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Ground |
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Neutral |
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All wiring must be the proper gauge, properly supported |
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and protected by conduit. All wiring should be done per |
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applicable federal, state and local codes, standards and |
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Ground |
Line 1 |
Line 2 |
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Neutral |
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regulations. Obey wire type and torque specifications printed |
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on the terminal blocks, neutral/ground connectors, and |
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installation instructions. |
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To Transfer Switch |
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Reproduction |
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WARNING Shock Hazard. Installing low and high |
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Assure grounding electrode conductor is connected |
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voltage wire in same conduit c uld result in dea h, |
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and bonded per applicable federal, state a d local |
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serious injury and/or property damage. |
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codes, standards and regulations. |
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• |
Do not run low and high voltage wire in the same c nduit |
10. Connect feeder conductors from transfer switch |
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breaker “GENERATOR CONNECTION” termi als to |
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unless the insulation rating on ALL wiring is rated f r |
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generator circuit breaker LINE1 and LINE2 terminals. |
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600V. See NEC for more information. |
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Each conductor must pass hrough h |
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le f current |
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Use installer supplied 300VAC or greater copper wire of a |
11. |
t ansfo mer before making connec |
n. |
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gauge that complies with the latest version of the |
ati nal |
Plug cu rent transformer leads n o “CT1” and “CT2” |
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Electric Code to complete the following connections between |
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te minals (C) on transfer swi |
h on rol board. |
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utility power, transfer switch, generator,Notmain distributi n |
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panel, and optional remote modules. Apply the necessary |
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correction factors and wire size calculations. |
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1. Set generator’s circuit breaker to OFF (open) position. |
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2. Set generator’s system switch to OFF position.for |
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3. Remove 15 Amp fuse from generator control panel. |
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4. Turn off utility power to the standby generator and |
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transfer switch. |
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5. Connect utility service to transfer switch’s utility |
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service disconnect circuit breaker terminals marked |
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“UTILITY CONNECTION”. |
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6. |
Connect utility service neutral to transfer switch |
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neutral terminal. |
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7. |
Connect main distribution panel fe d r |
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conductors to transfer switch terminals mark |
d |
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“LOAD CONNECTION”. |
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8. |
NOTICE Connect main distribution pan l n |
utral to |
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transfer switch neutral terminal. |
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10 |
BRIGGSandSTRATTON.COM |
12. Connect conductor from transfer switch neutral terminal to generator NEUTRAL terminal. Observe generator control panel labeling for terminal identification.
13. Connect conductor from transfer switch “GND” terminal to generator control panel “GROUND” terminal.
Assure generator equipment grounding conductor is connected per applicable federal, state and local codes, standards and regulations.
14. Using minimum #14 AWG conductors, connect the transfer switch “UTILITY 240 VAC” terminals to
generator’s “240 VAC” terminals via two-pole connector supplied with generator.
NOTICE TxRx and TxRx GND communication wiring must be connected for the Synphony II System to operate properly.
15. |
Using #18 AWG twisted pair copper conductors, no |
G - Neutral terminal |
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greater than 200 ft. in length, 300 volt 75°C-90°C, |
H - Neutral bus |
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connect “T/R” and “GND” terminals on transfer swi ch |
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J - Ground bus |
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control board (B) to the generator’s con rol panel (A) |
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K - Main distribution panel |
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“TxRx” and “TxRx GND” terminals via ten pin c |
nnec r |
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supplied with generator. Count d wn to he pr |
per pin |
L - UTILITY 240VAC to Generator |
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location on the generator contr l b |
ard since visual |
M - Two pin connector |
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alignment with its decal can be misleading: |
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N - Ten pin connector |
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P - Gene ator circuit breaker |
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R - Gene ator |
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S - Gene ator Neutral terminal |
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Not T - Gene ator Ground terminal |
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A |
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U - Transfer switch ground terminal |
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V - L ad connection to distrib |
tion panel |
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W - Generator disconnect circ |
it breaker |
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for |
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X - Utility isconnect circ it breaker |
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Y - Utility connection |
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Z - Generat r c nnection |
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B |
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16. Install optional remote modules using the installation |
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instructions provided with each module. Set each |
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module to the agreed-upon priority setting. |
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17. |
Tighten all wire connections/fasten |
rs to pro |
r torque. |
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See label inside transfer switch enclosure or valu s |
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listed in remote module installation instructions for |
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proper torque values. |
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Reproduction |
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11
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A |
B |
C |
D |
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N |
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L2 |
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L1 |
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Z |
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Y |
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X |
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E |
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Not |
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W |
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Reproduction |
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V |
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orf |
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G |
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U |
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N |
H |
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L2 |
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L1 |
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T |
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G |
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G |
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S |
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L K J |
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R |
N |
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LINE1 |
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P |
LINE2 |
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240 |
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VAC |
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N |
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M |
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Typical Transfer Switch shown
12 |
BRIGGSandSTRATTON.COM |
System Setup |
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NOTICE Use extreme caution when setting dipswitches or |
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You must perform the following before operating the system: |
damage to control board will result. |
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• If generator is installed in an area regularly subjected |
• Use a pencil or small piece of plastic to set the dipswitch. |
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• NEVER use a screwdriver or any type of metal object to |
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to temperatures below 40°F (4°C), select a 50 second |
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warm up time by moving jumper JP2 (C) installed |
set dipswitches. |
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on transfer switch control board from ‘20’ position to |
The “On” position for the dipswitches is the switch number ON |
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‘50’ position. |
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THE TRANSFER SWITCH CONTROL BOARD, not on the |
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A |
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B |
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C |
switch. For example, for an 18,000 watt generator, set DPSW2 |
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dipswitch 10 to “On” position. Set DPSW1 dipswitch 8 to “On” |
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position. 10,000 plus 8000 equals 18,000 watts. Set only one |
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switch to “On” position on DPSW1 and DPSW2. |
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NOTICE Air density is less at high altitudes, resulting in |
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less available engine power. Specifically, engine power will |
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decrease 3.5% for each 1,000 feet (300 meters) above sea |
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level and 1% for each 10° F (5.6°C) above 77°F (25°C). |
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Generators located in these conditions must have the transfer |
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switch programmed appropriately for this power decrease. |
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Remote Module Setup |
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Each remote module features a priority selector (D) that |
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permits control of load-add or load-shed seque ce. Priority |
|||||
• Set the DPSW1 (A) and DPSW2 (B) dipswitches n |
number is identified on clear protective barrier. Diagrams of |
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each module are shown in Status LED’s, later in this ma ual. |
|||||||
the transfer switch control board to match the kW |
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Priority 1 is the highest priority - dev ces set to th s pri |
rity |
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rating of the home standby generator, as described in |
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will be the fi st load(s) added or last l ad(s) shed n a l |
ad |
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Setting Dipswitches. |
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management situation. Priori y 8 s he l west pr r ty. |
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|||||
Setting Dipswitches |
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Dipswitches are used to adjust control board operati n |
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D |
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based on generator capacity. DPSW1 and DPSW2 switches |
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Not |
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are set to correspond to total system kW rating. Dipswitch |
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DPSW1 (A) has units of 1,000 watts; Dipswitch DPSW2 (B) |
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has units of 10,000 watts. |
forPriority 9 and 10 are locko |
ts. Remote module(s) set to |
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these priorities will remain |
npowered during any utility |
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power outage. An unlimited amount of remote modules can |
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be assigned to pri rity 9 or 10. |
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In c nsultati |
n with the homeowner, set each remote |
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|||
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m |
dule’s pri |
rity selector switch to the desired priority |
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p |
siti n. Assign a different priority to each remote module for |
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o |
timum operation. |
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Reproduction |
13
Testing the Automatic Transfer Switch |
Testing the Symphony™ II Power |
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Management System |
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WARNING Testing must only be performed by |
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qualified personnel. Equipment contains high |
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WARNING Testing must only be performed by |
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voltage that can cause personal injury or death. |
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qualified personnel. Equipment contains high |
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• Despite the safe design of the system, operating this |
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voltage that can cause personal injury or death. |
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equipment imprudently, neglecting its maintenance or |
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• Despite the safe design of the system, operating this |
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being careless can cause possible injury or death. |
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equipment imprudently, neglecting its maintenance or |
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Turn the utility service disconnect circuit breaker feeding the |
being careless can cause possible injury or death. |
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The Symphony II system can be tested under either utility |
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transfer switch contactor to the “OFF” position. The system’s |
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automatic sequence described below will initiate. To return to |
power or generator power. Only one priority LED and |
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utility power, turn the utility service disconnect circuit breaker |
associated remote module will be powered (ON) at a time |
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to the “ON” position. |
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during test mode. |
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Utility Fail |
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• |
If TEST is not pressed again within 4 minutes AND |
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The generator senses when utility voltage is below |
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testing is being done under utility power, all managed |
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loads will resume operation under utility power after a |
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70 percent of nominal. Engine start sequence is ini ia ed af er |
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five minute delay. |
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6 second time delay. |
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• |
If TEST is not pressed again within 4 minutes AND |
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Engine Warm-Up |
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testing is being done under generator power, ma aged |
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Time delay to allow for engine warm-up bef |
re ransfer. Use |
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loads will be added in the priority order set for |
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jumper on transfer switch control board to select delay f |
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each load. |
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20 seconds or 50 seconds. |
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The test procedure in generator m |
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de s as f ll ws: |
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Transfer |
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1. |
Tu n the utility service disconnect c rcu t breaker |
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Transfer from utility to generator supply occurs after voltage |
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feeding the transfer swi ch con ac r he |
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“OFF” position. |
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is above set levels. The transfer switch control board LED |
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2. |
After t ansfer to genera or power, ver fy communication |
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lights will change from greenNot(utility) to red (generat r) |
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and the Symphony II status light will change blink status |
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LED is green on ea h remo e module. |
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from Blink Blink_Pause_Blink Blink to Blink |
Pause Blink. |
3. |
Press the TEST button (B) on the Symphony II system |
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Minimum engine run time is 5 minutes after trans er. |
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c ntrol board. The Symphony II system control board |
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priority 1 LED (C) and load |
onne ted to remote |
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Load Management |
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module set to priority 1 will t |
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rn ON. |
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for |
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Five minutes after transfer to generator power, the remote |
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modules energize connected load(s) if generator power is |
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B |
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available, starting with the highest priority (1) through the |
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lowest priority (8). There is a 10 second delay between each |
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sequential activation. |
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The P1 through P8 LED’s (A) on the Symphony II control |
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board will illuminate to show loads being added. |
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Loads connected to remote modules set to priorities 9 and |
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10 remain off for the duration of a utility power outage. |
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Utility Pickup |
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Voltage pickup level is 80 percent of nominal voltage. |
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A |
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C |
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Retransfer |
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D |
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Retransfer from generator to utility power is approximately 10 |
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LED |
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LED |
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LED |
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LED |
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LED |
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LED |
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LED |
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LED |
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LED |
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seconds after utility voltage supply is above pickup level and |
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minimum run time is completed. All remote module(s) will |
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remain OFF for five minutes after the power transfer. |
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Engine Cool Down |
Reproduction |
Engine will run for 60 seconds after retransfer.
14 |
BRIGGSandSTRATTON.COM |
4.Verify signal was received by remote module set to priority one. Follow the test guidelines for each module:
50 Amp Module: Relay contacts will be closed. Relay and communication LED’s will be green. Appliance/load will have power.
5.Press the TEST button on the Symphony II system control board. The priority 1 LED and load connected to remote module set to priority 1 will turn OFF.
50 Amp Module: If off, relay LED status is off. Communication LED status is green.
Low Voltage Module (Single or Dual): If off, low voltage communication LED status is green. Continuity will not be measured across low voltage contacts.
The priority 2 LED (D) and load connected to remote module set to priority 2 will turn ON. Repeat step 4 for each priority number being managed.
6.Each subsequent press of the TEST button cycles to the next lower priority, through priority 8. After priority 8, press TEST button one time to exit test mode.
The system will reset and be ready to add loads in 5 minutes.
Closed |
Open |
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7. To return to utility power, turn the utility disconnect |
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circuit breaker to the “ON” position. All managed loads |
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Low Voltage Module (Single or Dual): Verify |
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continuity across low voltage control wiring con ac s |
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will be turned off and turn back on after 5 minutes. |
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Reproduction |
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(A). Communication LED will be green. Appliance/l |
ad |
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will have power. |
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A |
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for |
15
Controls
Other than a Manual Override lever, there are no operator controls because this is an automatic transfer switch. The manual override is to be used only by licensed professionals. Information on handle use can be obtained by calling Technical Service at 800-743-4115.
Operation
To select automatic transfer operation, do the following:
1.In transfer switch, set utility disconnect circuit breaker to “ON” position.
2.In transfer switch, set generator disconnect circuit breaker to “ON” position.
3.Install 15 Amp fuse in generator’s control panel.
Symphony™ II Power Monitor (Optional)
For your convenience, a Symphony II Power Monitor is available, which provides a visual “on/off” status of each managed appliance/load. A series of LED lights are ON when an appliance has generator power and OFF when the appliance is in a shed mode or does not have power. When on generator power, the consumer can see which appliances are being managed.
A decal is provided that can be labeled with the managed appliances/loads and placed next to each priority LED.
The monitor is plugged into any convenient standard outlet within the home and constantly receives system status via the power line communication technology utilized by the Symphony II Power Management System during generator power.
4. |
Set generator’s circuit breaker to “ON” position. |
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Enclosure Door |
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5. |
Set generator’s system switch to “AUTO” posi ion. |
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To open transfer switch door, press the spring-load door lock |
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The system will now be in automatic operation mode. |
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to the right and pull down on the door. |
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Reproduction |
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When the generator is providing power to the ransfer swi ch, |
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the transfer switch control board is c nstantly m ni ring |
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generator power and communicating with the Symph ny II |
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system control board. |
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The Symphony II system will control up to 8 priorities, with |
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priority 9 and 10 as lockouts. When total generator load |
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meets a preset value, the Symphony II system control board |
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will start shedding loads, starting with the lowest pri rity |
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(highest number) load. The SymphonyNotII system will add r |
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shed managed loads based on the generator output capacity |
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and priority settings. |
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The Symphony II system waits 10 seconds between adding |
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or shedding each load to permit the system to stabilize. If |
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too much load demand is seen, the Symphony II system will |
To close and latch oor, p sh door closed against enclosure. |
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shed all managed loads quickly to prevent the generatorfor |
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from overloading. Once the load demand has stabilized, |
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While in this position, push door upwards. This will cause |
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spring-l ad |
r l ck to engage and latch door in place. |
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the Symphony II system will re-load the generator after a |
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Encl sure |
r MUST be closed and latched at all times |
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5 minute delay, as described above. |
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except when system is being serviced. |
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There is a minimum five minute delay between the time |
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utility power is lost and priority 1 loads are energized by the |
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Symphony II system. |
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Be aware that managed heating element energy loads |
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(such as electric range burners, oven, or space h at rs) |
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that were ON when utility power was lost, will be ON wh |
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the generator begins supplying power. It is advis d that the owner check all such managed devices to nsure th y are turned OFF before generator power app ars.
Managed devices like clothes dryers that require pressing a START button will not resume operation unless the START button is pressed after generator power begins.
16 |
BRIGGSandSTRATTON.COM |
Status LED’s |
Symphony II Power Monitor (Optional) |
Described below are the system’s LED indicators and the conditions each LED color represents:
Transfer Switch Control Board |
E |
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F |
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G |
A |
B |
STATUS LED |
Not |
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RED (A) means GENERATOR power is present. |
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GREEN (B) means UTILITY power is present. |
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Reproduction |
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Symphony II System Control Board |
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POWER LIGHT (E) |
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C |
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D |
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When lit, indicates that monitor |
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for |
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detects outlet power. |
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When not lit, indicates that no |
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LED LED LED LED |
LED LED LED LED LED |
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p wer is p esent at outlet. |
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STATUS LED (C) |
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COMM (communication |
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Single Blink-Pause means unit is operating on |
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status) LIGHT (F) |
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GENERATOR power. |
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When lit, indicates that nit |
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Double Blink–Pause means unit is operating on |
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is receiving signals from the |
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UTILITY power. |
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Symphony II controller. |
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When not lit, in |
icates that |
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PRIORITY LIGHTS/LED’s (D & G) |
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utility p wer is present or a |
312113 |
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When green LED is lit, indicates that optional remote module |
fault in Symph |
ny II controller. |
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set to that priority is supplying power to connected load |
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during generator power. |
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When not lit, indicates that optional remote module set to |
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that priority is set to OFF (being managed and Sym |
hony II |
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System is not allowing power to the unit). |
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All lights/LED’s are OFF when utility pow r is pr s nt.
17
Remote Module LED Status Indicators |
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LED is for signal communication status (C). |
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Symphony II System does not communicate or manage |
Utility power present: |
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appliances/loads when utility power is present. |
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• |
Normal State |
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NOTICE When looking at LED’s, make sure you look |
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- Orange LED - No communication and appliances/ |
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straight on and not at an angle. |
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loads cannot be managed by Symphony II System |
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Low Voltage (Single and Dual) Models |
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• |
Problem State (see Troubleshooting) |
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- No LED - No power to low voltage control board; |
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A |
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verify correct wiring |
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- Green LED - Broken LED; replace low voltage |
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B |
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C |
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module |
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- Red LED - Fault in system; verify current |
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transformer connections, verify terminations on |
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orange and yellow communication wires |
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Generator power present: |
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Normal State |
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- Green LED - Signal communication detected and |
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Not |
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appliances/loads can be managed after 5 minute |
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delay |
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Reproduction |
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E |
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D |
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Problem State (see Troubleshooting) |
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- No LED - No power to low voltage co |
trol board; |
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verify correct wiring |
t detected; |
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for |
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- Orange LED - Signal commun cat |
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A - Low Voltage Control Wiring Terminal Contacts |
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ve ify correct wiring |
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B - Priority Selector |
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- Red LED - Fault in sys em; ver fy current |
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t ansformer connec ions, ver fy erm nat ons on |
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C - Communication LED |
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o ange and yellow ommuni a ion wires |
D - Neutral Connection
E - Power/Line Connection
18 |
BRIGGSandSTRATTON.COM |
50 Amp Model |
Generator power present: |
A |
B |
C |
D |
•Normal State
Relay Position Status LED (C)
-Green LED - Relay is closed; power available to appliance/load
-No LED - Relay open, no power, Symphony II is managing load
Signal Communication Status LED (D)
-Green LED - Signal communication detected and appliances/loads are being managed after 5 minute delay
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• |
Problem State (see Troubleshooting) |
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G |
F |
E |
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Relay Position Status LED (C) |
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A - Priority Selector |
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- No LED - Power not available to managed |
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B - 50 Amp Relay |
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appliance/load; 5 minute delay has not expired, |
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verify correct wiring |
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C - Relay Status LED |
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Not |
- Red LED - 50 Amp relay contacts in incorrect state; |
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D - Signal Communication LED |
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replace 50 Amp module |
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E - Neutral Connection |
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Reproduction |
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Signal Communication Status LED (D) |
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F - Load Connection |
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- No LED - No power to 50 Amp control board; verify |
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G - Power/Line Connection |
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correct wiring |
t detected; |
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for |
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LED’s are for signal communication status and relay position |
- Orange LED - Signal commun cat |
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ve ify correct wiring |
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status. |
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- Red LED - Fault in sys em; ver fy current |
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Utility power present: |
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t ansformer connec ions, ver fy erm nat ons on |
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• Normal State |
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o ange and yellow ommuni a ion wires |
Relay Position Status LED (C)
- Green LED - Relay is closed; power available to appliance/load
Signal Communication Status LED (D)
- Orange LED - No communication and appliances/ loads cannot be managed by Symphony II System
• Problem State (see Troubleshooting) Relay Position Status LED (C)
- No LED - Power not available to managed appliance/load; 5 minute delay has not ex ired, verify correct wiring
- Red LED - 50 Amp relay contacts in incorrect state; replace 50 Amp module
Signal Communication Status LED (D)
- No LED - No power to 50 Amp control board; v rify correct wiring
- Green LED - Broken LED; replace 50 Amp module
- Red LED - Fault in system; verify current transformer connections, verify terminations on orange and yellow communication wires
19
Maintenance |
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When Calling for Assistance |
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The transfer switch is designed to be maintenance free under |
You must have the Model Number and Serial Number from |
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each transfer switch or remote module ID label at hand if it is |
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normal usage. However, inspection and maintenance checks |
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necessary to contact a local service center regarding service |
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should be made on a regular basis. Maintenance will consist |
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or repair. Obtain this information from the unit ID labels |
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mainly of keeping the transfer switch clean. |
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located on or inside device. For convenience, record the |
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Visual inspections should be done at least three times each |
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information on the inside front cover of this manual. |
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year. Access to the transfer switch and optional remote |
To contact Briggs & Stratton call 800-743-4115, between |
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modules must not be obstructed. Keep 3 feet (92 cm) |
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8:00 AM and 5:00 PM CT. |
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clearance around transfer switch. Check for an accumulation |
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of dirt, moisture and/or corrosion on and around the |
Installation Inspection |
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enclosure, loose parts/hardware, cracks and/or discoloration |
Before placing the system into service, inspect the entire |
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to insulation, and damaged or discolored components. |
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Exercise the transfer switch and Symphony II system at |
installation carefully. |
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Complete the ”Installation Checklist” supplied with the |
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least once every three months as described in Testing the |
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Automatic Transfer Switch and in Testing the Symphony II |
generator as you make the inspection. Ensure all items have |
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Power Management System unless a power outage occurs |
been filled-in and all signatures have been obtained. Instruct |
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and the entire home generator system has gone hrough |
the owner to mail the white copy to the address shown on |
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an automatic sequence. Allow generator to run for at least |
the checklist. |
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10 minutes during exercise cycle. |
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Contact a licensed electrical professi |
nal to inspect and |
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clean the inside of the enclosure and |
ther c mp nen s f |
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your home generator system at least |
nce a year. |
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Not |
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for |
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Reproduction |
20 |
BRIGGSandSTRATTON.COM |
Troubleshooting
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Problem |
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Cause |
Correction |
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Automatic transfer switch does |
1.Generator breaker open. |
1.Reset generator circuit breaker. |
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not transfer to generator |
2.Generator voltage not acceptable. |
2.Refer to generator manual. |
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3.Generator disconnect circuit breaker open |
3.Reset generator disconnect circuit |
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in transfer switch. |
breaker in transfer switch. |
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Automatic transfer switch does |
1.Utility disconnect circuit breaker open in |
1.Reset utility disconnect circuit breaker |
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not transfer to utility |
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transfer switch. |
in transfer switch. |
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2.Utility voltage not acceptable. |
2.Wait for utility voltage to return |
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to normal. |
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Generator is still running after |
Engine cool down period. |
Engine should stop after 1 minute. |
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switch transfers to utility |
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power |
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Generator or supervised loads |
1.Remote modules are not |
1.Five minute delay timer has |
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(air conditioner, etc.) are |
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operating correctly. |
not expired. |
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operating improperly when |
2.Too much load on generator. |
2.Decrease load to generator. |
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generator is supplying power |
3.Current ransformer not connected. |
3.Contact local authorized service center. |
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4.Broken current ransformer. |
4.Contact local authorized service ce ter. |
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5.C |
mmunica i n l st due to power line |
5.Verify fluorescent ballasts are rated for |
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n ise. |
residential use only. If ot, replace |
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Not |
with residential ballast. |
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Install no se f lter n ser es a d cl se |
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to problema c dev ce. |
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Rewire rem |
e m dule to pp site |
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power line (L1 or L2) from that of |
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problema |
dev e. |
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||||
6.Conta lo al au horized service center. |
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6.Communicati n l st between transfer |
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switch and Symph ny II c ntrol boards. |
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Generator is still running after |
1.Minimum engine run time has n t elapsed. |
1.Wait five min tes for transfer switch to |
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|||
utility power is restored |
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retransfer to utility power. |
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2.Fuse(s) in transfer switch is defective. |
2.Contact local authorized service center. |
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for |
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Relay modules do not close after |
1.Too much load on generator. |
1.Decrease load to generator. |
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|||
five minutes |
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2.Communication interrupti n. |
2.Reset utility disconnect circuit breaker |
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in transfer switch and wait five |
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minutes (turn OFF breaker for ten |
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seconds then turn it back ON). |
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3.Priority set to 9 or 10. |
3.Appliance will not turn on during |
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standby power. Contact local |
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authorized service center to change |
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priority setting. |
|
|
Relay modules do not open during Communication int rruption. |
Contact local authorized service center. |
|
||||
transfer and retransfer |
|
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Symphony II system control board 1.Tx |
x and TxRx GND communication |
1.Contact local authorized service center. |
|
|||
status LED does not change |
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wires are not connected between the |
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illumination blinking pattern |
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generator and transfer switch. |
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for utility or generator power. 2.Tx |
x and TxRx GND communication wires |
2.Contact local authorized service center. |
|
|||
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are connected incorrectly between the |
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Reproductiongenerator and transfer switch. |
|
||||
|
|
3.TxRx and TxRx GND communication |
3.Contact local authorized service center. |
|
||
|
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wires affected by electrical noise |
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interference. |
|
|
|
21
Transfer Switch Schematic Diagram
|
Not |
|
for |
|
Reproduction |
22 |
BRIGGSandSTRATTON.COM |
Transfer Switch Wiring Diagram
Not |
for |
Reproduction |
23 |