Generac Power Systems 004635-3, Owner'S Manual

Page 1: ...Automatic Transfer Switch Owner s Manual ATS HS Type Models 004635 3 200 Amp 250 Volts and 004678 2 100 Amp 250 Volts This manual should remain with the unit ...

Page 2: ...e 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...

Page 3: ... 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 i...

Page 4: ... equipment and the tungsten load does 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 1 3 TRANSFER SWITCH DATA DECAL A DATA DECAL is permanently affixed to the transfer swi...

Page 5: ...ll result in an extremely hazardous possibly lethal electri cal shock Wiring diagrams and electrical schematics are pro vided in this manual Power source and load connec tions are made at a transfer mechanism inside the switch enclosure 2 4 1 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 ...

Page 6: ...eeding 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 affixed to the switch Note any options or accessories that might be installed and review their operation 3 2 MANUAL OPERATION Do NOT manually transfer under load Disconnect transfer switch from all power sources by approved...

Page 7: ...Y 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...

Page 8: ...switch to MANUAL When engine starts let it stabilize for a few minutes 4 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 ac...

Page 9: ...7 Section 4 Notes ATS HS Type Transfer Switch ...

Page 10: ...8 Section 4 Notes ATS HS Type Transfer Switch ...

Page 11: ...9 Section 4 Notes ATS HS Type Transfer Switch ...

Page 12: ...ation Diagram ATS HS Type Transfer Switch Drawing No 0E7081 377mm 14 84 508 5mm 20 02 KNOCKOUT SUITABLE FOR 1 1 1 2 AND 2 CONDUIT SIZE 3 PLACES 179 5mm 7 07 420mm 16 54 45mm 1 77 41 5mm 1 63 294mm 11 57 Ø6 3mm Ø0 25 10 ...

Page 13: ... 1 N1 UTILITY 2 N2 LOAD 2 T2 23 194 CB1 NEUTRAL CONNECTION N1 N2 T1 T2 2 T E1 E2 2 E NEUTRAL LUG TRANSFER SWITCH UTILITY SUPPLY WITH SERVICE DISCONNECT LOAD CUSTOMER 194 23 LOAD 2 UTILITY 2 UTILITY 1 AC GENERATOR CONTROL PANEL NOTE POWER LEADS AND TRANSFER SWITCH LEADS MUST BE RUN IN TWO DIFFERENT CONDUITS LOAD 1 T1 22 LOAD 1 REMOTE TEST SWITCH OPTIONAL 11 44 33 Section 6 Electrical Data ATS HS Ty...

Page 14: ...12 Section 6 Electrical Data ATS HS Type Transfer Switch Electrical Schematic Drawing No 0E6093 B ...

Page 15: ...13 Section 6 Electrical Data ATS HS Type Transfer Switch Electrical Schematic Drawing No 0E6093 B ...

Page 16: ...73591 T 30A 600V 30A 600V 073591 T 073591 T ENCLOSURE GROUND LUG ASSEMBLY POWER TERMINAL LUG ASSEMBLY NOTE TORQUE ITEM 3 TO 24 30 IN LBS DETAIL B B A A B B 0A9517 WAUKESHA WI OR ALUMINUM WIRE OF AT LEAST 75 C RATING RATING SWITCH GENERAC POWER SYSTEMS INC 120 240 CS3 8X16T CS3 8X16T 8X16T C2 VR2 STANDBY 0C2237fv Section 7 Exploded Views and Parts List ATS HS Type Transfer Switch 100A Transfer Swit...

Page 17: ...RIP 22 0E8443 1 DECAL SWITCH RATING 23 095282 1 DECAL LIVE CIRCUIT 24 067210A 1 DECAL GROUND LUG 25 0A9457 1 DECAL NEUTRAL 26 0A9517 1 DECAL MANUAL 5A FUSE 27 077036D 1 DECAL TEST SEQUENCE 3R 28 081221 1 DECAL UL LIST HSB 29 064101 4 NUT HEX FL WHIZ 3 8 16 30 0E6055 1 SUBPLT TRANSFER SWITCH HSB 31 063378 4 HOLDER CABLE TIE 32 028739 4 TIE WRAP UL 3 9 X 10 NATL 33 0E6193 1 BRACKET ARM EXTENDER 34 0...

Page 18: ...24 A 12 17 38 34 36 3 A 5 25 2 1 4 057329 S ENCLOSURE GROUND LUG ASSEMBLY DETAIL A A 3 TO 72 1 IN LBS NOTE TORQUE ITEM CS C CS3 8X16T 8X16 CS3 8X16T C 8X16 22097 S WS3 4X1 4S 0A9517 SYSTEM VOLTAGE 120 240 SERIAL NUMBER 63378 T 63378 T 16 Section 7 Exploded Views and Parts List ATS HS Type Transfer Switch 200A Transfer Switch Assembly Drawing No 0E5782 J ...

Page 19: ...HSB 19 0E6056 1 COVER TRANSFER SWITCH BOX HSB 20 0F0668 1 DECAL TRANSFER SWITCH 21 0A2595 1 DECAL TERMINAL STRIP 22 095282 1 DECAL LIVE CIRCUIT 23 0E8443 1 DECAL SWITCH RATING 24 064101 4 NUT LOCK FL 3 8 16 25 0E6055 1 SUBPLT TRANSFER SWITCH HSB 26 063378 5 HOLDER CABLE TIE 27 028739 5 TIE WRAP UL 3 9 X 10 NATL 28 0F2516 1 DECAL TRANSFER SWITCH DATA 200 29 067210A 1 DECAL GROUND LUG 30 0A9457 1 DE...

Page 20: ...322 Select the prompt that describes the brand name of the generator THIS WARRANTY IS IN PLACE OF ALL OTHER WARRANTIES EXPRESSED OR IMPLIED SPECIFICALLY GENERAC MAKES NO OTHER WARRANTIES AS TO THE MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE Some states do not allow limitations on how long an implied warranty lasts so the above limitation may not apply to you GENERAC S ONLY LIABILITY SHALL ...