Automatic transfer switch

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Automatic Transfer Switch
Owner’s Manual
ATS Service Entrance HS Type Transfer Switch Models: 005036-0, 100 Amp, 250 Volts and 004945-1, 200 Amp, 250 Volts

This manual should remain with the unit.

IMPORTANT SAFETY INSTRUCTIONS

 followed during installation and maintenance of the generator and batteries.
is no longer legible.

SAVE THESE INSTRUCTIONS - This manual containsimportant instructions that should be



Also read the instructions and information on  install, operate or service this equipment.the transfer switch. Replace any decal or labeltags,  decals, and labels that may be affixed to that SAVE THESE INSTRUCTIONS! Read the following information carefully before attempting to shall be by means of suitable electric system  utilityutility distribution systemwhentransfer equipment so as to isolate theLegally Required  from the generator is operating (Article 701 DANGER! Connection of a generator to an electrical system normally supplied by an electric Standby Systems or Article 702 Optional Standby Systems, as applicable). Failure to isolate electric system by these means may result in damage to generator and may result in injury or death to utilityworkers due to backfeed of electrical energy. Generac Power Systems, Inc., hereafter referred to as the “manufacturer”, cannot anticipate every possible circumstance that might involve a hazard. The warnings in this manual, and on tags and decals affixed to the unit are, therefore, not all-inclusive. If using a procedure, work method or operating technique the manufacturer does not specificallyrecommend, ensure that it is safe for others. Also make sure the procedure, work method or operating technique chosen does not render the transfer switch unsafe. Throughout this publication, and on tags and decals affixed to the generator, DANGER, WARNING, CAUTION and NOTE blocks are used to alert personnel to special instructions about a particular operation that may be hazardous if performedincorrectly or carelessly. Observe them carefully. Their definitions are as follows: Four commonly used safety symbols accompany the DANGER, WARNING and CAUTION blocks. The type of information each indicates follows: out important safety infor This symbol points followed, could endanger mation that, if not personal safety and/or property.

 This symbol points out potential explosion hazard.  Thissymbol points out potential fire hazard.  This symbol points out potential electrical shock
hazard.

 GENERAL HAZARDS 
• Any AC generator that is used for backup power if a NORMAL (UTILITY) power source failure occurs, must be isolated from the NORMAL (UTILITY) power source by means of an approved transfer switch. Failure to properly isolate the NORMAL and STANDBY power sources from eachother may result in injury or death to electric utility workers, due to backfeed of electrical energy. • Improper or unauthorized installation, operation, service or repair of the equipment is extremely dangerous and may result in death, serious personal injury, or damage to equipment and/or personal property. • Extremely high and dangerous power voltages are present inside an installed transferswitch. Any contact with high voltage terminals, contacts or wires will result in extremely hazardous, and possibly LETHAL, electric shock. DO NOT WORK ON THE TRANSFER SWITCH UNTIL ALL POWER VOLTAGE SUPPLIES TO THE SWITCH HAVE BEEN POSITIVELY TURNED OFF .

DANGER
After this heading, read instructions that, if not strictly complied with, will result in personal injury, including withoutlimitation, death, or property damage.

After this heading, read instructions that, if not strictly complied with, may result in personal injury or property damage.

After this heading, read instructions that, if not strictly complied with, could result in damage to equipment and/or property. NOTE: After this heading, read explanatory statements that require special emphasis. These safety warnings...
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