Generac Power Systems 004988-2 owner manual PCB J2

Page 29

Section 8 - Electrical Data

Guardian Liquid-cooled 27 kW and 30 kW Generators Wiring Diagram — Engine — Drawing No. 0E6199-F

PCB J2

1767

2765

3769

4766

5768

60

7N/C

814

PCB J1

156

286

3 15A 16

423

5224

60

8239

10 15E

1185

1214A

13225

1466

C1

10

20

30

40A

5 13 14

614A

7 15A 16

815E

9

14

16

 

10

224

 

11225

12239

86

0

0

2323

6666

NOTE:

SIZE (AWG)

 

ALL WIRES ARE 18 AWG 300

 

 

VOLT UL LISTED UNLESS

 

 

OTHERWISE NOTED AS SHOWN:

16

CCJB

 

 

 

 

 

 

 

 

 

16

14

14

10

10

 

 

10

 

 

16

 

 

 

 

14

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

16

13

13

13

56

0

16

 

 

14

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

16

10

 

 

 

 

 

 

 

 

 

10

 

 

 

 

 

 

 

 

 

13

 

 

 

 

 

 

 

 

 

4

 

 

 

 

 

 

 

 

 

13

 

 

 

 

 

 

 

BAT

 

 

 

 

 

 

 

 

+

 

 

 

 

 

 

 

 

4

 

 

 

 

 

 

 

 

 

4

 

-

SM

 

 

 

 

 

 

 

 

 

0

 

 

 

 

 

 

 

 

 

4

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

13

10

 

 

 

 

 

 

 

 

10

 

 

 

 

 

 

 

 

0

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0

 

 

ALT

 

 

 

 

 

 

GND2

 

16

0

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0

 

0

 

 

 

 

 

 

 

 

GND1

 

 

 

 

 

 

 

 

0A

 

 

 

 

 

 

 

 

 

 

0

16

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0

 

 

 

 

 

 

 

 

 

16

 

 

 

 

 

 

 

 

 

14

 

 

 

 

 

 

 

FS

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

85

 

HCT

 

 

 

 

 

 

1

 

85

 

 

 

 

 

0

1

 

BLK

 

 

 

 

 

 

 

 

 

WLS

 

 

 

 

 

 

 

 

RED

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

DEG

0

1

765

2

766

3

14

4

766

5

765

6

767

7

770

8

771

9

768

10

767

11

769

12

GOV

771

1

767

2

765

3

770

4

N/C

5

766

6

14 16

16

14IM

016

449

16

 

1

 

4

 

6

 

2

449

 

 

 

 

 

3

5

 

 

 

 

 

 

 

 

 

14

 

IC

 

 

 

0

 

 

 

 

3

2 5 1

LEGEND:

ALT - D.C. CHARGE ALTERNATOR

BAT - 12VDC BATTERY

C1 - CONNECTOR 1 (ENGINE)

CC- STARTER CONTACTOR

DEG - DRIVER ELEC. GOVERNOR

FS - FUEL SOLENOID

GND1- GROUND (SENSING/LOW AMP) GND2- GROUND (POWER/HIGH AMP)

GOV - ELEC. GOVERNOR ACTUATOR

LEGEND [CONT.]:

HCT -

HIGH COOLANT TEMP SWITCH

IC -

IGNITION COIL

IM -

IGNITION MODULE (ON DISTRIBUTOR)

J-1 -

JUNCTION 1

(ON PCB)

J-2 -

JUNCTION 2

(ON PCB)

JB -

JUNCTION BLOCK (RUN POWER)

LOS -

LOW OIL PRESSURE SWITCH

SM -

STARTER MOTOR

WLS -

COOLANT LEVEL SWITCH

Generac® Power Systems, Inc. 27

Image 29
Contents Liquid-cooled, Prepackaged Standby Generators ‹ Operation and Maintenance Authorized Service Dealer Location‹ HOW to Obtain Service IntroductionTable of Contents General Hazards Electrical Hazards Generator Transfer SwitchAutomatic System Operation Generator AC Connection Systems‹ 1.7.1 LOW OIL Pressure Switch ‹ 1.7.2 High Coolant Temperature Switch‹ 1.7.3 LOW Coolant Level Switch Engine Protective DevicesLifting the Generator UnpackingReconfiguring the Fuel System Specifications‹ 1.10.1 Generator Specifications ‹ 1.10.2 Engine SpecificationsBefore Installation Torque SpecificationsEngine OIL Recommendations Coolant Recommendations‹ 2.1.2 Other Published Standards Generator Mounting SupportBasic Standby Electric System Emergency Circuit Isolation Method Transfer Switch Signal ConnectionsTotal Circuit Isolation Method Grounding the Generator‹ 2.9.2 GTS-TYPE ATS Battery InstallationPreparation Before START-UP Using a Standard GTS Transfer Switch ‹ 3.2.1 AUTO/OFF/MANUAL Switch ‹ 3.2.2 Fault Indicator LED‹ 3.2.5 SET Exercise Time Switch Control Console ComponentsRetransfer and Shutdown Manual Transfer START-UP Engine Governor AdjustmentsAutomatic Operation Weekly Exercise CycleOverload Protection for Engine DC Electrical System Cooling SystemChecking Fluid Levels ‹ 4.5.12 Spark Plugs ‹ 4.5.11 Changing the Engine AIR Cleaner‹ 4.5.10 Changing Engine OIL ‹ 4.6.1 Cleaning the Generator Miscellaneous Maintenance‹ 4.6.2 Battery ‹ 4.6.3 Battery MaintenancePeriodic Replacement Parts ‹ 4.6.4 Battery ReplacementService Maintenance Interval Information Scheduled MaintenanceLevel Maintenance Level Problem Cause Correction Troubleshooting PointsGuardian Liquid-cooled 27 kW and 30 kW Generators Installation Diagram Customer Connection PCB J2 BCW LOS WLS HCT Starter Carrier Bolt Battery Post Cover Baclk Boot Battery CableBattery Post Cover RED + Hold Down Battery32 18 Assembly BASE-DOOR Ground Wire Assy GRD Wire 99HSBIntake Duct HSB Duct Discharge RH FrontGenerac Power Systems, Inc Control BOX HSB Assy 2A 12V UL BatteryDecal AVR Cover Cover Front Panel HSB61 24 Not SHOWN-USED to Hold OIL Drain Assembly Wire SET 3.0L Ford notCoil Ignition 3.0L Ford Bracket DC ALT 3.0L FordFrame Radiator R-IN,L-OUT Tank Coolant RecoveryVenturi 3.0L Ford HSB Side Support Radiator HSBTo B Flange Fuel Inlet Weldment Mounting BaseAssy Regulator 3.0L NG or LPV Washer Flat 5/16 ZincLocktight Rotor 390 20KW 1P Direct HSB 2.5L Ford Rotor 390 15KW 1P Direct HSB 2.5L FordRotor 390 25KW 1P Direct HSB 2.5L Ford Rotor 39030AD1 HSB TecumGasket Exhaust Ring MUFFLER, 3.0L FordExhaust Blanket 750MM Mufflr Strap 6IN DIACover AIR Cleaner Element AIR CleanerTube AIR Intake 3.0L Ford Washer Flat M5Warranty Schedule