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Generac Power Systems GTS "W", Owner'S Manual

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Generac Power Systems GTS

Generac

®

Power Systems, Inc.

35

Section 7 — Wiring Diagrams & Electrical Schematics

Wiring Diagram - 480/600V — Drawing No. 0D8113

S

TR

TD

R

P

L

-J

1

A

T

S

T

RAN

S

FER 

S

WIT

C

H 

CO

NTA

C

T

O

R

C

ONNECTOR

, INPHASE MONITOR PCB

C

ONNECTOR

, UTILITY VOL. SENSING PCB

R

ESISTOR, TIME DELAY NEUTRAL 

(TDN

)

L

E

G

END

T1

T2

T1

E1

A

T

S

T3

T2

E3

E2

COM

M

NO

NC

COM

M

N1

N3

N2

191

108

191

177

266

193

177

4

177

177

0

2

2

6

3

2

1

4

0

227

1

2

224

2

2

5

15

14

13

12

10

11

9

0

193

177

17

8

17

8

203

1

7

8

17

7

0

19

4

185

194

0

0

1

77

177

177

23

201

0

8

4

177

0

0

0

177

203

17

8

191

147

148

177

23

194

194

17

7

177

0

194

193

19

1

177

0

A

125

235

1

2

5

19

4

108

19

4

A

1

4

4

1

1

0

0

2

 - WIRE 

S

TART

17

8

17

8

17

8

183

E1

T1

185

185

E2

T2

183

205

206

H4

X1

X4

E2

H1

E1

185

208

E2

E1

T2

T1

N1

N1

227

2

2

6

227

2

2

6

2

2

5

224

2

2

5

224

N2

N3

N2

N3

185

N3

26

4

177

N2

N2

N1

208

206

N

1

183

108

125

B

9

183

177

H

4

X1

N1

208

206

X4

H1

N2

N2

N1

N1

N2

E1

E2

3

6

N1

N2

N1

T2

E1

T1

E2

N2

N1

N3

185

N2

N1

N2

188

107

1

2

6

126

18

7

187

18

7

126

110

205

10

7

1

2

6

205

10

7

18

7

189

189

0

0

0

0

198

198

A

T

S

-Y

A

T

S

-Z

Y

Z

L

-J

1

Z

Y

19

4

1

7

8

0

266

1

7

8

266

1

7

8

1

7

8

1

7

8

19

1

0

0

183

191

19

4

1

2

A

T

S

-X

0

185

W

IRE I

N

S

P

L1

L3

L

2

S

W2

TS

1

S

W

3

TD

TR1

TS2

TR2

TR5

INTERFA

C

E

S

EN

S

IN

G

U

TILITY

TR

3

S

W1

R

AUX

Summary of Contents for GTS "W"

Page 1: ...POWER SYSTEMS INC GENERAC R R Owner s Manual GTS W Type Automatic Transfer Switch 100 thru 400 amp 600 volts...

Page 2: ...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 s...

Page 3: ...22 4 5 Nine Volt Battery 22 Section 5 Notes 23 Section 6 Mounting Dimensions 26 Section 7 Wiring Diagrams Electrical Schematics 29 Section 8 Exploded Views Parts Lists 40 Section 9 Warranty Back Cove...

Page 4: ...llations The transfer switch consists of a solid state intelli gence circuit a transfer mechanism and a control panel 1 3 TRANSFER SWITCH DATA PLATE A DATA PLATE is permanently affixed to the transfer...

Page 5: ...h 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 pre vent switch distortion level all mounting points If nec...

Page 6: ...ust comply fully with all applicable codes standards and regulations Before connecting wiring cables to terminals remove any surface oxides from the cable ends with a wire brush If ALUMINUM conductors...

Page 7: ...connected to the COMMON C terminal The contacts shown as FACTORY in Figure 2 5 are connected at the factory for operating transfer switch advisory lights The contacts shown as auxiliary are available...

Page 8: ...of the system Perform functional tests in the exact order presented in this manual or you could damage the switch IMPORTANT Before proceeding with functional tests read and make sure you understand a...

Page 9: ...t stops DO NOT FORCE Release handle slowly to allow the spring in the switch box to relax ON now appears in Window A and OFF appears in Window B Proceed with B Close to STANDBY Source Side 3 2 2 CLOSE...

Page 10: ...accurate AC voltmeter check the phase to phase line to line and phase to neutral line to neutral voltages present at transfer mechanism ter minals N1 N2 N3 and neutral SUPPLIED VOLT AGES MUST BE FULL...

Page 11: ...on 3 13 6 When the test is complete return the Mode Switch to its AUTOMATIC MODE position Retransfer back to the UTILITY normal power source The genera tor should shut down according to circuit board...

Page 12: ...rce voltage that dropped below a pre set value will result in the automatic sequence of events listed in the chart in Section 3 14 3 10 2 NORMAL TEST MODE Permits the operator to test automatic operat...

Page 13: ...tor s control panel Once the standby generator starts and produces volt age the circuit board is turned ON go to Sequence 3 3 13 3 SEQUENCE 3 ENGINE MINIMUM RUN AND WARMUP TIMERS This timer establishe...

Page 14: ...elay at NEUTRAL Time Delay Neutral Timer 0 1 10 seconds 5 seconds R Inphase Transfer Inphase Transfer Select none 0 1 30 seconds S Signal Before Transfer LED lights Signal Before Transfer Timer 1 30 s...

Page 15: ...sm while a signal relay SR is energized When the relay is energized 2 sets of the dry contacts wire nos 236 240 and 237 238 are closed These dry con tacts can be connected to via a terminal strip loca...

Page 16: ...as a normal system Generator 1 will be the primary source and generator 2 will be the backup source When the rotary switch is in position 2 the GTS will signal generator 2 to start and the GTS will tr...

Page 17: ...hing water and hose directed water undamaged by the for mation of ice on the enclosure Ask your Dealer Distributor or consult the factory for details 3 15 11 ADDITIONAL OPTIONS For information on addi...

Page 18: ...ing to do an inphase transfer within the 30 second window 3 17 1 ENGINE WARMUP TIMER Permits the engine to warm up before transferring LOAD from NORMAL to STANDBY power Reset timer to any time interva...

Page 19: ...rce voltage The board must be calibrated to both power source voltages in order to initiate transfer and re transfer at the correct voltages To calibrate the circuit board to the correct voltage see C...

Page 20: ...o Utility 7 Set the Calibration Mode Switch to OFF The Inphase Monitor Control board is calibrated NOTE With the Calibration Mode Switch set to STDBY or UTIL the four top LED s should turn ON in seque...

Page 21: ...H RATED 100 200 110 220 SWITCH RATED 120 240 SWITCH RATED 277 480 TRANSFER SWITCH 115 200 120 208 220 380 VOLTS 231 400 240 416 VOLTS 346 600 VOLTS 1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8 100...

Page 22: ...er which represents the global exercise time period In this mode the exercise period may be changed using the up down arrows as above but the on time is limited to between 10 and 119 minutes 3 23 PROG...

Page 23: ...e the jumper wire from TP3 and TP4 6 Reset the Maintenance Disconnect switch to AUTO MATIC RESULTS If the Utility On LED does NOT go on as described above replace the utility voltage sensor board Cali...

Page 24: ...e Lubricants Inc USA 4 4 MAIN CURRENT CARRYING CONTACTS At least once annually have an Authorized Service Technician check the main current carrying contacts in the transfer mechanism He will repair o...

Page 25: ...Generac Power Systems Inc 23 Section 5 Notes Generac GTS W Type Transfer Switch...

Page 26: ...24 Generac Power Systems Inc Section 5 Notes Generac GTS W Type Transfer Switch...

Page 27: ...Generac Power Systems Inc 25 Section 5 Notes Generac GTS W Type Transfer Switch...

Page 28: ...erac Power Systems Inc Section 6 Mounting Dimensions Generac GTS W Type Transfer Switch 0 44 24 8 37 4 0 44 18 3 36 77 10 15 150 400 Amp NEMA 1 Units 100 Amp NEMA 1 Units 2 0 44 49 41 30 79 24 3 48 78...

Page 29: ...ac GTS W Type Transfer Switch 0 44 TYP 22 24 TYP 2 TYP 24 36 0 44 TYP 0 55 0 87 10 Generac Power Systems Inc 27 150 400 Amp 3R 4 and 4X Units Typical 100 Amp 3R 4 and 4X Units Typical 0 44 TYP 28 27 0...

Page 30: ...ection 6 Mounting Dimensions Generac GTS W Type Transfer Switch S 10 12 35 98 37 4 18 24 02 3 0 44 0 44 150 400 Amp NEMA 12 Units With Instrument Package 100 Amp NEMA 12 Units With Instrument Package...

Page 31: ...191 191 177 0 126 A 107 B 235 125 194 108 194 108 A 7 1 3 1 4 T2 0 178 178 178 178 178 178 178 183 X1 191 266 X2 X3 H1 183 E1 T1 1 0 E2 3 185 T2 183 E1 E2 E2 185 N1 N1 227 226 227 226 225 224 225 224...

Page 32: ...T2 B2 TD1 TD2 NC NO COM COM NO NC E1 COM T1 E2 E3 T2 T3 N1 N2 T1 B1 ON 1 2 RED LIGHT SWITCH POSITION EMERGENCY SWITCH RETURN TO NORMAL BYPASS OPT TRANSFORMER LOAD POWER SUPPLY YELLOW LIGHT STANDBY OP...

Page 33: ...7 0 177 226 3 2 3 1 4 0 178 1 2 224 225 203 15 16 14 13 12 10 11 9 201 0 193 178 178 203 178 0 185 194 194 0 0 177 177 23 0 8 6 4 2 177 178 194 0 191 1 0 0 266 177 203 178 191 147 148 177 23 194 194 1...

Page 34: ...J1 7 J1 3 J1 15 J1 14 J1 10 J1 6 J1 9 J1 11 J1 16 J1 1 J1 2 J1 4 J1 5 J1 12 J1 13 198 N C ON SWITCH RETURN TO NORMAL BYPASS OPT RED LIGHT SWITCH POSITION EMERGENCY L2 TRANSFORMER STANDBY SENSING TRANS...

Page 35: ...11 9 0 193 177 178 178 203 178 0 194 185 194 194 0 0 177 177 23 201 0 1 0 266 177 203 178 191 147 148 23 194 194 177 177 264 0 194 193 191 177 0 A B 235 125 194 108 194 108 A 7 1 3 1 4 E2 178 178 178...

Page 36: ...O COM NO COM E2 T2 E3 E4 T3 T4 N1 N2 N3 N4 OPTIONS ON GREEN LIGHT SWITCH POSITION UTILITY TRANSFORMER LOAD POWER SUPPLY SWITCH RETURN TO NORMAL BYPASS OPT RELAY SIGNAL BEFORE TRANSFER OPT RED LIGHT SW...

Page 37: ...177 0 0 0 177 203 178 191 147 148 177 23 194 194 177 177 0 194 193 191 177 0 A 125 235 125 194 108 194 A 1 4 4 110 0 2 WIRE START 178 178 178 183 E1 T1 185 185 E2 T2 183 205 206 H4 X1 X4 E2 H1 E1 185...

Page 38: ...1 5 J1 12 J1 13 198 N C OPTIONS M1 A2 NC COM COM A1 NO NC COM T2 B2 TD1 TD2 NC NO COM COM NO NC E1 COM T1 E2 E3 T2 T3 N1 N2 N3 T1 B1 ON GREEN LIGHT SWITCH POSITION UTILITY TRANSFORMER LOAD POWER SUPPL...

Page 39: ...108 TO TR5 TERM X4 TO TR5 TERM X1 AS SHOWN 205 206 GENSET 2 98876 480 600V SYSTEMS DETAIL A SEE NOTE 3 PHASE UNITS ONLY WIRE T3 WIRE 59 N3 226 CT3 ARE USED UNITS ONLY AND CONNECTS FROM BECOMES 00 ON...

Page 40: ...UTRAL STANDBY SWITCH X 0 0 X 0 X X 0 X 0 X 0 X CLOSED 0 OPEN BLU BLUE WIRE YEL YELLOW WIRE RED RED WIRE BLK BLACK WIRE BRN BROWN WIRE GRY GREY WIRE GRN GREEN WIRE ORN ORANGE WIRE WHT WHITE WIRE B RED...

Page 41: ...1 N3 N2 N1 2 3 4 7 8 6 3 7 4 8 1 2 5 6 4 3 8 7 2 1 6 5 N2 N1 227 224 226 227 225 224 N3 N3 N2 N1 2 6 4 N3 N3 3 224 227 8 226 7 225 N2 N1 1 4 N2 2 1 4 3 N1 2 1 224 5 8 227 5 6 8 6 N2 N1 4 3 2 1 4 3 2 1...

Page 42: ...40 Generac Power Systems Inc Section 8 Exploded Views Parts Lists Assembly Drawing No 0D7651 C Part 1...

Page 43: ...M12 100A CTTS 0C3470A 1 ENCL NEM12 100A CTTS 0C3471A 1 ENC W IN NEM3R 1 150 ITEM PART NO QTY DESCRIPTION 0C3471 1 ENCL NEM3R 1 150A 0C3472A 1 ENC W IN NEM4 1 150A 48 0C3472 1 ENCL NEM4 1 150A 0C3472C...

Page 44: ...42 Generac Power Systems Inc Section 8 Exploded Views Parts Lists Assembly Drawing No 0D7651 C Part 2...

Page 45: ...50A 0C3472A 1 ENC W IN NEM4 1 150A 48 0C3472 1 ENCL NEM4 1 150A ITEM PART NO QTY DESCRIPTION 0C3472C 1 ENL W IN NEM4X 1 150 48 0C3472B 1 ENCL NEM4X 1 150A 49 063578 1 PLATE DATA GTS 50 064153A REF WIR...

Page 46: ...44 Generac Power Systems Inc Section 8 Exploded Views Parts Lists Assembly Drawing No 0D7651 C Part 3...

Page 47: ...47 063578 1 PLATE DATA GTS 48 064153A REF WIRE XFMER JUMPER NOT SHOWN 49 083736 1 DECAL CSA GTS OPTIONAL 50 062209 1 DECAL UL LABEL E84929 GTS 51 075355 1 DECAL SGNL BFR XFER 52 0C8308 2 DECAL TERMIN...

Page 48: ...ed part s adjustments loose leaking clamps installation and start up 4 Use of Non Generac replacement part s will void the warranty in its entirety 5 Any failure caused by contaminated fuels oils cool...

Page 49: ...SCHEMATIC DIAGRAM DRAWING PAGE 1 OF 1 DATE GROUP UTILITY INTERFACE GTS 0676170700 G 8 4 04 REVISION G 3440 C...

Page 50: ......

Page 51: ...R 1 150A 0C3472A 1 ENC W IN NEM4 1 150A 48 0C3472 1 ENCL NEM4 1 150A 0C3472C 1 ENL W IN NEM4X 1 150 0C3472B 1 ENCL NEM4X 1 150A 49 063578 1 PLATE DATA OEM 0E5495 1 PLATE DATA PRIVATE LABEL 50 064153A...

Page 52: ......

Page 53: ...NEM4X 1 150A 49 063578 1 PLATE DATA OEM 0E5495 1 PLATE DATA PRIVATE LABEL 50 064153A REF WIRE XFMER JUMPER NOT SHOWN 51 083736 1 DECAL CSA GTS 52 062209 1 DECAL UL LABEL E84929 GTS 53 075355 1 DECAL...

Page 54: ......

Page 55: ...IN NEM4 15 400A 0C3478 1 ENCL NEM4 15 400A 0C3478C 1 ENLW IN NEM4X 15 400 0C3478B 1 ENCL NEM4X 15 400A 47 063578 1 PLATE DATA OEM 0E5495 1 PLATE DATA PRIVATE LABEL 48 064153A REF WIRE XFMER JUMPER NOT...

Page 56: ...124 0C4896 REF SCREW FHM M8 1 25 X 20MM CR 125 067989 2 NUT LOCK FL M8 1 25 YEL CHR 126 087680 1 NUT WING M6 1 0 127 0C8275 4 SCREW PPHM DSEMS M4 7 X 10 ZNC 128 026902 7 SCREW HHTT 8 32 X 1 4 CZ 129...

Page 57: ......

Page 58: ......

Page 59: ......

Page 60: ...1 4 T2 0 178 178 178 178 178 178 178 183 X1 191 266 X2 X3 H1 183 E1 T1 1 0 E2 X3 185 T2 183 E1 E2 E2 185 N1 N1 227 226 227 226 225 224 225 224 N2 N3 N2 N3 N3 N1 E2 H4 X1 E1 X3 X2 H2 H3 H1 E1 177 N1 N1...

Page 61: ...194 193 191 177 0 A 125 235 125 194 108 194 A 1 4 4 110 0 2 WIRE START 178 178 178 183 E1 T1 185 185 E2 T2 183 205 206 H4 X1 X4 E2 H1 E1 185 208 E2 E1 T2 T1 N1 N1 227 226 227 226 225 224 225 224 N2 N3...

Page 62: ...201 0 193 178 178 203 178 0 185 194 194 0 0 177 177 23 0 8 6 4 2 177 178 194 0 191 1 0 0 266 177 203 178 191 147 148 177 23 194 194 177 264 177 0 194 193 191 177 0 A 125 7 B 9 235 125 194 108 108 A 7...

Page 63: ...201 0 1 0 266 177 203 178 191 147 148 23 194 194 177 177 264 0 194 193 191 177 0 A B 235 125 194 108 194 108 A 7 1 3 1 4 E2 178 178 178 183 X1 H4 X3 X2 H3 H2 H1 T1 E1 185 X1 185 X2 H4 H1 T2 183 E1 E2...

Page 64: ...T1 B1 ON 1 2 RED LIGHT SWITCH POSITION EMERGENCY SWITCH RETURN TO NORMAL BYPASS OPT TRANSFORMER LOAD POWER SUPPLY YELLOW LIGHT STANDBY OPERATING HM METER HOUR SWITCH PHASE SELECTOR SWITCH MAINTENANCE...

Page 65: ...B2 TD1 TD2 NC NO COM COM NO NC E1 COM T1 E2 E3 T2 T3 N1 N2 N3 T1 B1 ON GREEN LIGHT SWITCH POSITION UTILITY TRANSFORMER LOAD POWER SUPPLY RELAY SIGNAL BEFORE TRANSFER OPT L2 TRANSFORMER STANDBY SENSIN...

Page 66: ...J1 5 J1 12 J1 13 198 N C ON SWITCH RETURN TO NORMAL BYPASS OPT RED LIGHT SWITCH POSITION EMERGENCY L2 TRANSFORMER STANDBY SENSING TRANSFORMER UTILITY SENSING RELAY TRANSFER RESISTOR TDN SWITCH PHASE S...

Page 67: ...SWITCH POSITION UTILITY TRANSFORMER LOAD POWER SUPPLY SWITCH RETURN TO NORMAL BYPASS OPT RELAY SIGNAL BEFORE TRANSFER OPT RED LIGHT SWITCH POSITION EMERGENCY L2 TRANSFORMER STANDBY SENSING TRANSFORME...

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