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Generac 004635-3 Switch User Manual
Contents
1. 6 Section 4 Notes 7 Section 5 Installation Diagram 8 Section 6 Electrical Data 9 Section 7 Exploded Views amp Parts Lists 12 Section 8 Warranty Back Cover Power Systems Inc M 1 1 INTRODUCTION This manual has been prepared especially for the purpose of familiarizing personnel with the design application installation operation and servicing of the applicable equipment Read the manual carefully and comply with all instructions This will help to prevent accidents or damage to equipment that might otherwise be caused by carelessness incorrect appli cation or improper procedures Every effort has been expended to make sure that the contents of this manual are both accurate and cur rent Generac however reserves the right to change alter or otherwise improve the product at any time without prior notice 1 2 EQUIPMENT DESCRIPTION The automatic transfer switch is used for transfer ring electrical load from a UTILITY NORMAL power source to a EMERGENCY STANDBY power source ouch a transfer of electrical loads occurs automati cally when the UTILITY power source has failed or is substantially reduced and the EMERGENCY source voltage and frequency have reache
2. o R lt 2 5 SdOoVld 371 LINGNOO 1 d z 418 11 9 m 40 62 Lgo 02 6 809 SZ Generac Power Systems Inc ELECTRICAL DATA 9 AOSC Vc wv w 2 7 is TANVd SONILVY 1 01410373 1 OV 1545 HOLIMS giz 915 q 0701 1531 OL HOLIMS N3dO E HOLIMS SLINGNOO 1N444441QG 1581 41 1 TES OML NI NOH gi 2 Sav3n H LIMS H34SNVH L 5 ez loo SQV31H3MOd Yin ALON OO e avol off T avo1 54151516 c ALFILLO
3. 5 5 SEES 9955 lt om ES TWHLNAN Tr HOLMS 3 9 1 Il NOILOANNOO IWHLNAN AlddflS fX S ALILA 11 Power Systems Inc Section 6 Electrical Data Generac GTS HS Type Transfer Switch DATA i Electrical Schematic Drawing No 0E6093 A TR 126 1 69 UTILITY 1 TBI T1 09 LOAD 1 B TB3 X LOAD 2 TB4 UTILITY 2 TB2 23 9 23 B i TR A 194 2 194 LEGEND 187 TRANSFER SWITCH SOLENOID COIL UTILITY CLOSING SOLENOID COIL STANDBY CLOSING NOTE RELAY TRANSFER ALL CONTACTS SHOWN WITH TERMINAL STRIP CUSTOMER CONNECTION TRANSFER SWITCH IN UTILITY XA1 XB1 LIMIT SWITCHES ACTUATOR POSITION 1 2 384 FUSE VR1 VR2 VARISTOR NB 1 NB NEUTRAL BLOCK 12 Generac Power Systems Inc Section 6 Electrical Data Generac GTS HS Type Transfer Switch ELECTRICAL Electrical Schematic Drawing No 0E6093 A DATA N1A OOO QOO Gu CUG OOD OOO ATS QOD OOO OO GOD OOU WOO NEUTRAL BLOCK NOT USED WITH PREPACKAGED STANDBY GENERATORS CUSTOMER CONTROL CONNECTIONS UTILITY 2 LOAD 1 LOAD 2 NEUTRAL OPTIONAL 23 194 gt gt Power Systems Inc 13 ayn Section 7 Exploded Views and Parts List OG Generac GTS HS Type Transfer
4. 120 123 VAC 8 Setthe generator s main circuit breaker 1 to its OFF or OPEN position 9 Set the AUTO OFF MANUAL switch to the OFF position to shut down the generator NOTE Do NOT proceed until generator AC output voltage and frequency are correct and within stated limits If the no load voltage is correct but no load fre quency is incorrect the engine governed speed probably requires adjustment If no load frequen cy is correct but voltage is not the voltage regula tor may require adjustment 6 Power Systems Inc 4 GENERATOR TESTS UNDER LOAD oet the generators main circuit breaker to its OFF or OPEN position Manually actuate the transfer switch main con tacts to their EMERGENCY STANDBY position Refer to Manual Operation Section 3 2 To start the generator set the AUTO OFF MANUAL switch to MANUAL When engine starts let it stabilize for a few minutes Turn the generator s main circuit breaker to its ON or CLOSED position The generator now pow ers all LOAD circuits Check generator operation under load as follows Turn ON electrical loads to the full rated wattage amperage capacity of the generator DO NOT OVERLOAD With maximum rated load applied check voltage and frequency across transfer switch terminals El and 2 Voltage should be greater than 230 volts and frequency should be greater than 59 Hertz Let the generator run under rated load for at
5. Unit enclosure is only covered against rust or corrosion the first year of the warranty provision Costs of normal maintenance i e tune ups associated part s adjustments loose leaking clamps installation and start up Use of Non Generac replacement part s will void the warranty in its entirety Any failure caused by contaminated fuels oils coolants antifreeze or lack of proper fuels oils or coolants antifreeze Failures due but not limited to normal wear and tear accident misuse abuse negligence or improper installation or sizing Failures caused by any external cause or act of God such as collision fire theft freezing vandalism riot or wars lightning earthquake windstorm hail volcanic eruption water or flood tornado hurricane terrorist acts or nuclear holocaust 8 Products that are modified or altered in a manner not authorized by Generac Power Systems in writing 9 Any incidental consequential or indirect damages caused by defects in materials or workmanship or any delay in repair or replacement of the defective part s 10 Failure due to misapplication misrepresentation or bi fuel conversion 11 Telephone telegraph teletype or other communication expenses 12 Living or travel expenses of person s performing service except as specifically included within the terms of a specific unit warranty period 13 Rental equipment used while warranty repairs are being performed i e rental generat
6. BOX 8 WAUKESHA WI 53187 PH 544 4811 FAX 544 4851 Bulletin 0166260SBY Printed in USA 5 02 Part OE6347 Revision D 02 05 04 Printed in U S A OLUB
7. ensure that it is safe for others Also make sure the procedure work method or operating technique cho sen 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 per sonnel to special instructions about a particular operation that may be hazardous if performed incor rectly or carelessly Observe them carefully Their def initions are as follows A After this heading read instructions that if not strictly complied with will result in personal injury or property damage VVARNING amp After this heading read instructions that if not strictly complied with may result in personal injury or property damage caution amp 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 cannot eliminate the hazards that they indicate Common sense and strict compli ance with the special instructions while performing the service are essential to preventing accidents Four commonly used safety symbols accompany the DANGER WARNING and CAUTION blocks The type of information each indicates follows Power Systems Inc This symbol points out important safety informa ti
8. affixed to the switch Note any options or accessories that might be installed and review their operation 52 MANUAL OPERATION A Do NOT manually transfer under load Disconnect transfer svvitch from all povver sources by approved means such as a main circuit breaker s A manual HANDLE is shipped with the transfer switch Manual operation must be checked BEFORE the transfer switch is operated electrically To check manual operation proceed as follows 1 Turn the generators AUTO OFF MANUAL switch to OFF 2 Turn OFF both UTILITY and EMERGENCY power supplies to the transfer switch with what ever means provided such as the main line cir cuit breakers 3 Note position of transfer mechanism main con tacts by observing the moveable contact carrier arm Manual operation handle towards the top of switch mechanism LOAD terminals T1 T2 are connected to UTILITY terminals N1 N2 Manual operation handle towards the bottom of switch mechanism LOAD terminals T1 T2 are connected to EMERGENCY terminals 1 E2 caution amp Do not use excessive force when operating the transfer switch manually or damage could be done to the manual handle 3 2 1 CLOSE TO NORMAL SOURCE SIDE Before proceeding verify the position of the switch by observing the position of manual operation handle in Figure 3 1 If the handle is UP the contacts are closed in the NORMAL position no further action i
9. HOT CONTACT WITH LIVE TERMINALS RESULTS IN EXTREMELY HAZARDOUS AND POSSIBLY FATAL ELECTRI CAL SHOCK 2 With an accurate AC voltmeter check for correct voltage Single phase utility supply Measure across ATS terminal lugs N1 and N2 Also check N1 to NEUTRAL and N2 to NEUTRAL 3 When certain that UTILITY supply voltage is cor rect and compatible with transfer switch ratings turn OFF the UTILITY supply to the transfer switch 4 On the generator panel set the AUTO OFF MANUAL switch to MANUAL position The gener ator should crank and start o Let the generator stabilize and warm up at no load for at least five minutes 6 Set the generator s main circuit breaker to its ON or CLOSED position Generac Power Systems Inc 5 Section 3 Operation T Generac GTS HS Type Transfer Switch A PROCEED CAUTION GENERATOR OUT PUT VOLTAGE IS NOW BEING DELIVERED TRANSFER SWITCH TERMINALS CONTACT WITH LIVE TERMINALS RESULTS IN EXTREMELY DANGEROUS AND POSSIBLY FATAL ELECTRI CAL SHOCK 7 With an accurate AC voltmeter and frequency meter check the no load voltage and frequency Single phase generator supply Measure across ATS terminal lugs 1 to E2 Also check 1 to NEUTRAL and E2 to NEUTRAL d BPedHel6y onada 60 62 Hertz b Terminals El to E2 240 246 VAC c Terminals El to NEUTRAL 120 123 VAC d Terminals E2 to NEUTRAL
10. PNL 12VDC DPDT 10A 240VA SCREW TH FRM 6 1 X 16 N WA Z JS RIVET POP 156 X 675 AL ASSY NEUTRAL BLOCK 100A WELDMENT XFER SW BOX HSB COVER TRANSFER SWITCH BOX HSB DECAL TRANSFER SWITCH DECAL TERMINAL STRIP DECAL SWITCH RATING DECAL LIVE CIRCUIT DECAL GROUND LUG DECAL NEUTRAL DECAL MANUAL 5A FUSE DECAL TEST SEQUENCE 3R DECAL UL LIST HSB NUT HEX FL WHIZ 3 8 16 SUBPLT TRANSFER SWITCH HSB HOLDER CABLE TIE TIE WRAP UL 3 9 X 10 NATL STUD WINGNUT M6 1 0 X 20MM NY HANDLE TRANSFER SW 5 WIRE A WIRE B WIRE E1 WIRE HARNESS 100 200A 2P HS NOT SHOWN PLACE DECAL ON OUTSIDE OF COVER LOWER RIGHT CORNER NOT SHOWN ON THIS ASSEMBLY CENTER DECAL ON FRONT OF COVER 7 FROM OF ENCLOSURE mee SUPPLIED WITH HARNESS P N 0E6094 Power Systems Inc LISTS OG 15 dom Section 7 Exploded Views and Parts List Generac GTS HS Type Transfer Switch 200A Transfer Switch Assembly Drawing No 0E5782 E NOTE TORQUE ITEM 3 TO 72 1 IN LBS NI OS ELE A Sne al 9 JE L 9 k ENCLOSURE k sr LE BU i TRANSFER SYSTEM DATA Toi EL 16 Generac Power Systems Inc GROUND LUG ASSEMBLY DETAIL A A CON O gt WP 10 1 1 k 12 13 1 15 16 25 26 CENTER DECAL ON INSIDE OF THE CO
11. Switch 100A Transfer Switch Assembly Drawing No 0E8403 B KKKKK KKKKK k DETAIL B B mu pl ENCLOSURE ununu UL p _ Generac Power Systems Inc DETAIL A A POWER TERMINAL LUG ASSEMBLY NOTE TORQUE ITEM 43 TO 24 30 IN LBS GROUND LUG ASSEMBLY CON O gt WP 31 k 727 CENTER DECAL ON INSIDE OF THE COVER ITEM 19 SUPPLIED WITH TRANSFER SWITCH ITEM 1 PART NO 002237 077033 036932 022152 066849 045771 062684 003168 022129 073590A 073591 090388 0A1495 063617 002454 0 1661 004449 0E6057 0 6056 0 5567 0 2595 0E8443 095282 067210A 0A9457 0A9517 077036D 081221 064101 0 6055 063378 028739 064113 077441 0E6303 0E6303A 0E6303C 0E6094 QTY HBR BR c o cl c c cl S S c c c TO n5 o0n mc0500 100A Transfer Switch Assembly Drawing No 0 8403 PARTS Section 7 Exploded Views and Parts List Ce Generac GTS HS Type Transfer Switch DESCRIPTION TR SW HSB 100A 2P 250V LUG SLDLSS 1 0 14X9 16 AL CU SCREW PPHM 10 32 X 1 4 WASHER LOCK 10 SCREW 5 0 8 X 16 BP NUT HEX M8 1 25 G8 YEL CHR LUG SLDLSS 2 0 12 X 11 82 CU WASHER LOCK SPECIAL 5 16 WASHER LOCK 8 5 16 FUSE 5A X BUSS FUSE HOLDER SCREW 6 1 0 X 12 ZINC SCREW HHTT M4 0 7 X 10 BP RELAY
12. all information from the DATA DECAL Record the Model and Serial numbers in the space pro vided below for future reference 1 4 TRANSFER SWITCH ENCLOSURE The standard switch enclosure is a National Electrical Manufacturer s Association NEMA 3R type NEMA 3R type enclosures primarily provide a degree of protection against falling rain and sleet and is not damaged by the formation of ice on the enclosure 1 5 SAFE USE OF TRANSFER SWITCH Before installing operating or servicing this equip ment read the SAFETY RULES inside front cover carefully Comply strictly with all SAFETY RULES to prevent accidents and or damage to the equipment Generac recommends that a copy of the SAFETY RULES are posted near the transfer switch Also be sure to read all instructions and information found on tags labels and decals affixed to the equipment Two publications that outline the safe use of transfer switches are the following 70 National Electrical Code UL 1008 STANDARD FOR SAFETY AUTOMATIC TRANSFER SWITCHES 2 1 INTRODUCTION TO INSTALLATION This equipment has been wired and tested at the fac tory Installing the switch includes the following pro cedures Mounting the enclosure Connecting power source and load leads Connecting the generator start circuit Connecting any auxiliary contact if needed Testing functions 2 2 UNPACKING Carefully unpack the transfer switch Inspect closely
13. least 30 minutes With unit running listen for unusual noises vibration overheating etc that might indicate a problem When checkout under load is complete set main circuit breaker of the generator to its OFF or OPEN position Let the generator run at no load for several minutes Then shut down by setting the AUTO OFF MANUAL switch to its OFF position Move the switch s main contacts back to their UTILITY position For example load connected to UTILITY power supply Refer to Manual Operation Section 3 2 Handle and operating lever of transfer switch should be in UP position Turn on the utility power supply to transfer switch using whatever means provided such as a utility main line circuit breaker The utility power source now powers the loads Set the generators AUTO OFF MANUAL switch to its AUTO position The system is now set for fully automatic operation Section 4 Notes NOTES Generac GTS HS Type Transfer Switch Generac Power Systems Inc 7 NOTES Section 4 Notes Generac GTS HS Type Transfer Suvitch 8 Generac Power Systems Inc Section 4 Notes NOTES Generac GTS HS Type Transfer Suvitch Generac Power Systems Inc 9 Ltg v 72 44 EIS ks 9 90 5 5 5 2 Sig cir D lle 5 n G 2 els 2 2 5 6 amp 0 9 c fg
14. Canadian Electric Code and Occupational Safety and Health Administration OSHA have established Never handle any kind of electrical device while standing in water while barefoot or while hands or feet are wet DANGEROUS ELECTRICAL SHOCK MAY RESULT Remove all jewelry such as rings watches bracelets etc before working on this equipment If work must be done on this equipment while standing on metal or concrete place insulative mats over a dry wood platform Work on this equipment only while standing on such insulative mats Never work on this equipment while physically or mentally fatigued Keep the transfer switch enclosure door closed and bolted at all times Only qualified personnel should be permitted access to the switch interior In case of an accident caused by electric shock immediately shut down the source of electrical power If this is not possible attempt to free the victim from the live conductor but AVOID DIRECT CONTACT WITH THE VICTIM Use a nonconduct ing implement such as a dry rope or board to free the victim from the live conductor If the victim is unconscious apply first aid and get immediate medical help When an automatic transfer switch is installed for a standby generator set the generator engine may crank and start at any time without warning To avoid possible injury that might be caused by such sudden start ups the system s automatic start cir cuit must be disabled before working on or a
15. GENERAG POWER SYSTEMS INC Owner s Manual GTS HS Type Automatic a Transfer Switch Models 004635 3 200 Amp 250 Volts and 004678 2 100 250Volts TRANSFER cwWITCH This manual should vvith the unit SAFETY RULES IMPORTANT SAFETY INSTRUCTIONS SAVE THESE INSTRUCTIONS Read the following information carefully before attempting to install operate or service this equipment Also read the instructions and information on tags decals and labels that may be affixed to the transfer switch Replace any decal label that is no longer legible DANGER Connection of a generator to an electrical system normally supplied by an electric utility shall be by means of suitable transfer equipment so as to isolate the electric system from utility distribution system when the generator is operating Article 701 Legally Required 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 utility workers due to backfeed of electrical energy Generac cannot possibly anticipate every possible circumstance that might involve a hazard The warn ings 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 tech nique Generac does not specifically recommend
16. USE DECAL TEST SEQUENCE 2P TS 3R DECAL UL LIST HSB BRACKET ARM EXTENDER SCREW PPHM M3 0 5 X 6 ARM EXTENDER PIN HARN 100 200A 2P HS 90 DEGREE DN SPADE CONNECTOR WIRE A WIRE B WIRE E1 PLACE DECAL ON OUTSIDE OF COVER LOWER RIGHT CORNER NOT SHOWN ON THIS ASSEMBLY CENTER DECAL ON FRONT OF COVER 7 FROM OF ENCLOSURE SUPPLIED WITH HARNESS P N 0E6094 Power Systems Inc LISTS OG 17 Section 8 Warranty WARRANTY Generac GTS HS Type Transfer Switch GENERAC POWER SYSTEMS STANDARD TWO YEAR LIMITED WARRANTY FOR GENERAC TRANSFER SWITCH SYSTEMS NOTE ALL UNITS MUST HAVE A START UP INSPECTION PERFORMED BY AN AUTHORIZED GENERAC DEALER For a period of 2 two years from the date of sale start date Generac Power Systems Inc will at its option repair or replace any part s which upon examination inspection and testing by Generac Power Systems or a Generac Power Systems Authorized Warranty Service Facility is found to be defective under normal use and service in accordance with the warranty schedule set forth below Any equipment that the purchaser owner claims to be defective must be returned to and examined by the nearest Generac Power Systems Authorized Warranty Service Facility All transportation costs under the warranty including return to the factory are to be borne and prepaid by the purchaser owner This warranty applies only to Generac Power Systems Transfer Swi
17. VER 19 SUPPLIED WITH TRANSFER SWITCH ITEM 1 PART NO 0D9618 0 3375 0 6058 022097 066849 045771 057329 027482 022129 073590 073591 090388 0 1495 063617 002454 0A1661 0 4449 0 6057 0 6056 0 5567 0 2595 095282 0E8443 064101 0 6055 063378 028739 067210 0 9457 049517 0E6190 081221 0E6193 004739 0E6155 0E6094 0E6033 0E6303 0E6303A 0E6303B QTY po O1 c c c c To PO 0n A G O O 200A Transfer Switch Assembly Drawing 0E5782 E PARTS Section 7 Exploded Views and Parts List Ce Generac GTS HS Type Transfer Switch DESCRIPTION TR SW HSB 200A 2P 250V LUG SLDLSS 250 6 AL CU SCREW SHC 1 4 20X3 8 WASHER LOCK M6 1 4 SCREW HHTT 5 0 8 16 BP NUT HEX M8 1 25 G8 YEL CHR LUG SLDLSS 350 6 X 13 32 AL CU WASHER SHAKEPROOF EXT 5 16 STL WASHER LOCK 8 5 16 FUSE 5A X BUSS FUSE HOLDER SCREW 6 1 0 X 12 ZINC SCREW HHTT M4 0 7 X 10 BP RELAY PNL 12VDC DPDT 10A 240VA SCREW TH FRM 6 1 X 16 N WA Z JS RIVET POP 156 X 675 AL ASS Y NTRL BL150 200A WELDMENT XFER SW BOX HSB COVER TRANSFER SWITCH BOX HSB DECAL TRANSFER SWITCH DECAL TERMINAL STRIP DECAL LIVE CIRCUIT DECAL SWITCH RATING NUT LOCK FL 3 8 16 SUBPLT TRANSFER SWITCH HSB HOLDER CABLE TIE TIE WRAP UL 3 9 X 10 NATL DECAI GROUND LUG DECAL NEUTRAL DECAL MANUAL 5A F
18. d an acceptable level The transfer switch prevents electrical feedback between two different power sources such as the UTILITY and EMERGENCY sources and for that reason codes require it in all standby electric system installations The transfer switch consists of a transfer mecha nism a relay control and a terminal strip for con nection of sensing wires This switch is suitable for control of motors electric discharge lamps tungsten filament and electric heat ing equipment where the sum of motor full load ampere ratings and the ampere ratings of other loads do not exceed the ampere rating of the switch and the tungsten load does not exceed 30 percent of the switch rating The transfer switch is for use in optional standby sys tems only The transfer switch is suitable for use on a circuit capable of 10 000 rms symmetrical amperes 240 VAC when protected by a circuit breaker without an adjustable short time response or by fuses e Generac Power Systems Inc Section 1 General Information Generac GTS HS Type Transfer Switch 1 5 TRANSFER SWITCH DATA DECAL A DATA DECAL is permanently affixed to the transfer switch enclosure Use this transfer switch only with the specific limits shown on the DATA DECAL and on other decals and labels that may be affixed to the switch This will prevent damage to equipment and property When requesting information or ordering parts for this equipment make sure to include
19. for any damage that might have occurred during ship ment The purchaser must file with the carrier any claims for loss or damage incurred while in transit Check that all packing material is completely removed from the switch prior to installation 2 5 MOUNTING Mounting dimensions for the transfer switch enclo sure are in this manual Enclosures are typically wall mounted Installation Diagram Section 5 caution amp Handle transfer switches carefully when installing Do not drop the switch Protect the switch against impact at all times and against construction grit and metal chips Never install a transfer switch that has been dam aged Install the transfer switch as close as possible to the electrical loads that are to be connected to it Mount the switch vertically to a rigid supporting structure To prevent switch distortion level all mounting points If necessary use washers behind mounting holes to level the unit 2 4 CONNECTING POWER SOURCE AND LOAD LINES A Make sure to turn OFF both the AN NORMAL and EMERGENCY STANDBY power supplies before trying to connect power source and load lines to the transfer switch Supply voltages are extremely high and dangerous Contact with such high volt age power supply lines causes extremely haz ardous possibly lethal electrical shock Wiring diagrams and electrical schematics are pro vided in this manual Power source a
20. ing wiring cables to terminals remove any surface oxides from the cable ends with a wire brush All power cables should enter the switch next to transfer mechanism terminals If ALUMINUM con ductors are used apply corrosion inhibitor to con ductors Tighten terminal lugs to the torque values as noted on the decal located on the inside of the door After tightening terminal lugs carefully wipe away any excess corrosion inhibitor All power cables should enter the switch next to the transfer mechanism terminals caution amp Use torque vvrench to tighten the conduc tors being sure not to over tighten or dam age to the switch base could occur If not tightened enough a loose connection would result causing excess heat which could dam age the switch base Power Systems Inc 3 Section 3 Operation T Generac GTS HS Type Transfer Suvitch Connect power source load conductors to clearly marked transfer mechanism terminal lugs as follovvs 1 Connect UTILITY NORMAL power source cables to switch terminals N1 N2 2 Connect EMERGENCY STANDBY source power cables to transfer switch terminals E1 E2 3 Connect customer LOAD leads to switch termi nals T1 T2 Conductors must be properly supported of approved insulative qualities protected by approved conduit and of the correct wire gauge size in accordance with applicable codes Be sure to maintain prope
21. nd load connec tions are made at a transfer mechanism inside the switch enclosure Generac GTS HS Type Transfer Switch INSTALLATION in Section 2 Installation 2 4 2 POLE MECHANISM These switches Figure 2 1 are used with a single phase system when the single phase NEUTRAL line is to be connected to a Neutral Lug and is not to be switched Figure 2 1 Typical 2 Pole Transfer Mechanism 200 Amp Shown D 5 Xx Qu et sec Deo 322 292 Solderless screw type terminal lugs are standard Range 14 1 0 AWG 50 in Ibs 6 250 MCM 275 in Ibs Conductor sizes must be adequate to handle the max imum current to which they will be subjected to based on the 75 C column of tables charts etc used to size conductors The installation must comply fully with all applicable codes standards and regulations Before connect
22. on that if not followed could endanger personal safety and or property This symbol points out potential explosion hazard This symbol points out potential fire hazard This symbol points out potential electrical shock hazard GENERAL HAZARDS A 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 each other 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 per sonal injury or damage to equipment and or per sonal property Extremely high and dangerous power voltages are present inside an installed transfer switch Any contact with high voltage terminals contacts or wires will result in extremely hazardous and pos sibly LETHAL electric shock DO NOT WORK ON THE TRANSFER SWITCH UNTIL ALL POWER VOLTAGE SUPPLIES TO THE SWITCH HAVE BEEN POSITIVELY TURNED OFF Competent qualified personnel should install operate and service this equipment Adhere strict ly to local state and national electrical and build ing codes When using this equipment comply with regulations the National Electrical Code NEC CSA Standard C22 1
23. ors cranes etc 14 Overtime labor or more than one person performing repairs 15 Any and all expenses incurred investigating performance complaints unless defective Generac materials and or work manship were the direct cause of the problem 16 Engine coolant heaters block heaters heater controls and circulating pumps after the first year 17 Starting batteries fuses light bulbs engine fluids tires brakes and overnight freight cost for replacement part s THIS WARRANTY IS IN PLACE OF ALL OTHER WARRANTIES EXPRESSED OR IMPLIED SPECIFICALLY GENERAC POWER SYSTEMS MAKES NO OTHER WARRANTIES AS TO THE MERCHANTABILITY OR FITNESS FOR A PARTICU LAR PURPOSE Some states do not allow limitations on how long an implied warranty lasts so the above limitation may not apply to you GENERAC POWER SYSTEMS ONLY LIABILITY SHALL BE THE REPAIR OR REPLACEMENT OF PART S AS STATED ABOVE IN NO EVENT SHALL GENERAC POWER SYSTEMS BE LIABLE FOR ANY INCIDENTAL OR CONSEQUENTIAL DAMAGES EVEN IF SUCH DAMAGES ARE A DIRECT RESULT OF GENERAC POWER SYSTEMS INC NEGLIGENCE Some states do not allow the exclusion or limitation of incidental or consequential damages so the above limitations may not apply to you Purchaser owner agrees to make no claims against Generac Power Systems Inc based on negligence This warranty gives you specific legal rights You also may have other rights that vary from state to state POWER SYSTEMS INC
24. r electrical clearance between live metal parts and grounded metal Allow at least 1 2 inch for 100 400 amp circuits 2 5 CONNECTING START CIRCUIT WIRES Control system interconnections Section 6 consist of UTILITY 1 and 2 LOAD 1 and 2 and leads 23 and 194 Control system interconnection leads must be run in a conduit that is separate from the AC power lead Recommended wire gauge sizes for this wiring depends on the length of the wire as recommended below 461 to 730 feet 223m 731 to 1 160 feet 354m 1 161 to 1 850 feet 565m No 12 AWG NOTE When this ATS is used with an air cooled tor the LOAD 1 and LOAD 2 wires are not used 3 1 FUNCTIONAL TESTS AND ADJUSTMENTS Following transfer switch installation and inter connection inspect the entire installation careful ly A competent qualified electrician should inspect it The installation should comply strictly with all applicable codes standards and regula tions When absolutely certain the installation is proper and correct complete a functional test of the system caution amp Perform functional tests in the exact order presented in this manual or damage could be done to the svvitch Power Systems Inc IMPORTANT Before proceeding with functional tests read and make sure all instructions and infor mation in this section are understood Also read the information and instructions of labels and decals
25. round the generator or transfer switch Then place a DO NOT OPERATE tag on the transfer switch and on the generator Remove the Negative Neg or bat tery cable Table of Contents 5 OF 5 Safety Inside Front Cover Section 1 General Information 2 Lol c a d 2 L2 Equipment Description s pee rra 2 1 3 Transfer Switch Data Decal 1 4 Transfer Switch Enclosure 2 1 5 Safe Use Of Transfer Switch irure 2 Section 2 Installation 3 2 1 Introduction to Installation 3 PT 3 z MOUBLHIS EDU e augu uec OP 3 2 4 Connecting Power Source and Load Lines 3 241 2 Pole Mechanist daa d d 3 2 5 Connecting Start Circuit Wires 4 Section 3 Operation sss 4 3 1 Functional Tests amp Adjustments 4 5 2 Manual Operation aai 4 3 2 1 Close to Normal Source Side 4 3 2 2 Close to Emergency Source Side 5 3 2 3 Return to Normal Source Side 5 Oro a y a 7 7 5 5 3 4 Generator Tests Under Load
26. s required If the handle is DOWN proceed with Step l otep 1 With the handle inserted into the actuating shaft move handle Be sure to hold on to the handle as it will move quickly after the center of travel Section 5 Operation Generac GTS HS Type Transfer Switch y Figure 3 1 Actuating Transfer Switch Attach handle to actuating shaft Move handle UP for the NORMAL position 3 2 2 CLOSE TO EMERGENCY SOURCE SIDE Before proceeding verify the position of the switch by observing the position of the manual operation han dle in Figure 3 1 If the handle is DOWN the contacts are closed in the EMERGENCY STANDBY position No further action is required If the handle is UP pro ceed with Step 1 otep 1 With the handle inserted into the actuating shaft move the handle DOWN Be sure to hold on to the handle as it will move quickly after the center of travel 5 2 5 RETURN TO NORMAL SOURCE SIDE Manually actuate switch to return manual operating handle to the UP position 3 3 VOLTAGE CHECKS 1 Turn ON the UTILITY power supply to the trans fer switch with whatever means provided such as the UTILITY main line circuit breaker NOTE Return handle to storage position in enclosure when finished with manual transfer Move handle DOWN for the EMERGENCY standby position A PROCEED CAUTION THE TRANSFER SWITCH IS NOW ELECTRICALLY
27. tch applications as Generac Power Systems Inc have defined Transfer Switch application provided said Transfer Switch has been initially installed and inspected on site by a Generac Power Systems Authorized Service Dealer or branch thereof A scheduled maintenance agreement with a local Authorized Generac Power Systems Dealer is highly recommended to verify adequate service has been performed on the unit throughout the warranty period WARRANTY SCHEDULE YEAR ONE 100 one hundred percent coverage on mileage labor and parts listed ALL COMPONENTS YEAR TWO 100 one hundred percent coverage on parts listed ALL COMPONENTS PARTS ONLY Travel allowance is limited to 300 miles maximum or 7 5 hours maximum per occurrence round trip to the nearest authorized Generac Service Facility A Generac Power Systems Inc Transfer Switch is highly recommended to be used in conjunction with the genset If a non Generac genset is substituted for use and directly causes damage to the Generac Transfer Switch no warranty coverage shall apply All warranty expense allowances are subject to the conditions defined in Generac Power Systems Warranty Policies and Procedures Flat Rate Manual Units that have been resold are not covered under the Generac Power Systems Warranty as this Warranty is not transferable THIS WARRANTY SHALL NOT APPLY TO THE FOLLOWING Any unit built manufactured prior to January 1 2002
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