Generac Power Systems 04758-2, 04759-2, 04760-2 Electrical Data, Generac Power Systems, Inc

Page 31
Manual background

Section 6 — Electrical Data

Guardian Air-cooled 7 kW, 12 kW and 15 kW Generators Wiring Diagram – 7 kW – Drawing No. 0D9013-C

CONTROL PANEL BOX

225

224A

224

225A

224A

225A

TX

N1

N2

 

 

 

13A

 

 

66

 

0

 

 

 

 

225B

 

 

225B

 

224B

 

 

224B

0

 

 

 

 

66

14

 

 

14

 

 

 

 

11

11

225

 

13A

22

22

 

 

 

 

 

 

4

4

 

N2

 

0

0

N1

 

 

6

 

224

 

 

162

 

 

 

 

 

 

 

 

VOLTAGE

 

 

 

 

REGULATOR

4

 

 

 

0

 

 

 

 

0

 

0

 

 

66A

 

Manual background4Manual background4Manual background

Manual background N2

N1Manual background

13

225 0

351

224

0

66A

13

 

 

 

 

CLOSEST TO BEARIN

 

 

 

 

4

 

 

 

 

 

0

 

 

CB2

 

 

 

 

77

162

 

 

 

 

2

 

 

 

 

 

 

 

 

 

 

 

 

4

 

 

 

 

 

 

10

 

 

 

 

 

2

 

 

 

 

 

6

11

 

 

 

2

8

 

 

4

 

6

7

55

 

 

 

 

 

22

 

 

 

11

 

66A

 

 

 

22

5

77

 

 

 

66

4

66

 

0

77

 

 

 

0

 

11

 

 

 

 

2

 

 

6

 

 

1

44

 

 

 

 

162

 

 

 

 

 

 

55

C2

 

 

 

 

 

 

66A

 

 

 

 

55

33

0

22

GRD

194

23

N2

N1

STATOR

23

Manual background351

44

11

13A

194

15A

Manual background0

351

22

33

23 N2

194 N1

 

13

 

 

 

 

66A

F2

F1

 

 

 

239

 

CB1

 

 

 

 

 

15A

 

 

0

 

 

 

OFF

 

 

 

13

239

 

 

15

 

17

 

 

 

 

 

 

 

 

 

 

 

0

 

 

SW1

 

NEUTRAL

 

 

 

 

 

 

15

 

 

 

 

 

 

 

 

 

15

SW2

 

CONNECTION

 

 

 

 

 

 

AUTO

 

240V GENERATOR

 

 

 

 

OUTPUT TO TRANSFER

 

 

 

 

SWITCH CONTACTOR

 

 

 

 

 

CUSTOMER

MANUAL

CONNECTION

 

12Vdc TRANSFER RELAY COIL

240VAC UTILITY INPUT

Generac® Power Systems, Inc. 29

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Contents Installation and Owner’s Manual Models 04758-2 6 kW NG, 7 kW LP 04759-2 12 kW NG, 12 kW LP04760-2 13 kW NG, 15 kW LP This manual should remain with the unitINTRODUCTION ‹ CONTENTS‹ OPERATION AND MAINTENANCE ‹ HOW TO OBTAIN SERVICEIntroduction during operation. Exercise care near running generators GENERAL HAZARDSDespite the safe design of this generator Parts of the generator are rotating and/or hot‹ STANDARDS INDEX ELECTRICAL HAZARDSFIRE HAZARDS EXPLOSION HAZARDSDANGER 1.1 UNPACKING/INSPECTION1.2 PROTECTION SYSTEMS 1.3 SYSTEM SET LEDFigure 1.1 - 7 kW, Single Cylinder GH-410 Engine 1.4 THE GENERATORFigure 1.2 - 12 kW/15 kW, V-twin GT-990/760 Engine ‹ 1.5.1 GENERATOR 1.5 SPECIFICATIONS‹ 1.5.2 ENGINE DANGER 1.8 RECONFIGURING THE FUEL SYSTEM1.6 FUEL REQUIREMENTS AND RECOMMENDATIONS 1.7 FUEL CONSUMPTIONFigure 1.4 - Demand Regulator 1.9 LOCATION1.8.2 12KW AND 15KW, 990CC ENGINES 1.9.1 GENERATORFigure 1.5 - Battery Cable Connections 1.10 BATTERY INSTALLATION1.11 THE BATTERY 1.9.2 TRANSFER SWITCH 1.9.2.1 7 kW, 12 kW and 15 kW Units2.1 BEFORE INITIAL START-UP 2.2 CHECK TRANSFER SWITCH OPERATION2.3 ELECTRICAL CHECKS 2.5 CHECKING AUTOMATIC OPERATION 2.4 GENERATOR TESTS UNDER LOADFigure 2.2 - Placement of Regulator 2.6 ADJUSTING THE REGULATOR NATURAL GAS ONLYFigure 2.1 - Dual Fuel Regulators Figure 2.5 - V-twin Full Load Speed Adjust Screw 2.7 ENGINE GOVERNOR ADJUSTMENTFigure 2.4 - V-twin Engine Governor Adjustment Figure 2.3 - Single Cylinder Engine Governor AdjustmentFigure 2.6 - Voltage Adjustment Potentiometer 2.8 VOLTAGE REGULATOR ADJUSTMENT3.1 BREAK-IN PROCEDURE 3.2 USING THE AUTO/OFF/MANUAL SWITCH FIGURE‹ 3.5.1 TRANSFER TO GENERATOR POWER SOURCE 3.3 AUTOMATIC TRANSFER OPERATION3.5 MANUAL TRANSFER OPERATION 3.4 SEQUENCE OF AUTOMATIC OPERATIONFigure 3.2 - Manual Transfer Switch Operation ‹ 3.5.2 TRANSFER BACK TO UTILITY POWER SOURCE‹ 3.7.1 LOW OIL PRESSURE SWITCH ‹ 3.7.2 HIGH TEMPERATURE SWITCH‹ 3.7.3 OVERCRANK Figure 3.3 - Low Oil Pressure and High Temperature Switches4.2 CHECKING THE ENGINE OIL LEVEL 4.1 FUSE4.4 CHANGING THE OIL FILTER 4.5 CHANGING THE ENGINE AIR CLEANER‹ 4.3.2 OIL CHANGE PROCEDURE 4.3 CHANGING THE ENGINE OILFigure 4.8 - Setting the Spark Plug Gap 4.7 BATTERY MAINTENANCEFigure 4.6 - 7 kW, Engine Air Cleaner Location Figure 4.7 - 12 kW and 15 kW Engine Air CleanerFigure 4.10 - Valve Clearance Adjustment 4.8 ADJUSTING VALVE CLEARANCE4.9 COOLING SYSTEM 4.10 ATTENTION AFTER SUBMERSION 4.12 OUT OF SERVICE PROCEDURE‹ 4.12.2 RETURN TO SERVICE ‹ 4.12.1 REMOVAL FROM SERVICE4.13 SERVICE SCHEDULE CORRECTION 5.1 TROUBLESHOOTING GUIDEPROBLEM CAUSEENGINE WIRING 24 Generac Power Systems, IncSection 6 - Electrical Data CUSTOMER CONTROL PANEL BOXCONNECTION 26 Generac Power Systems, Inc Electrical Schematic - 12 & 15 kW - Drawing No. 0D8501-BSection 6 - Electrical Data Section 6 - Electrical Data 28 Generac Power Systems, IncCUSTOMER 225A 30 Generac Power Systems, Inc224A Electrical Schematic - 7 kW - Drawing No. 0D9014-C 32 Generac Power Systems, Inc Section 7 - Exploded Views and Parts ListsPART NO. QTY. DESCRIPTION 34 Generac Power Systems, Inc PART NO. QTY. DESCRIPTION 27, 28 36 Generac Power Systems, Inc35, 36, 40 DESCRIPTION PART NO. QTY38 Generac Power Systems, Inc DESCRIPTION 14 20 40 Generac Power Systems, Inc1.25 FT 1.8 FT42 Generac Power Systems, Inc 3 FT 2.6 FT1.33 FT 44 Generac Power Systems, Inc DESCRIPTION 46 Generac Power Systems, Inc DESCRIPTION 48 Generac Power Systems, Inc DESCRIPTION Guardian Air-cooled 7 kW, 12 Drawing No. 0D3739-B 50 Generac Power Systems, IncALL DIMENSIONS IN MILLIMETERS INCHES Section 8 - MountingSection 9 - Notes CALIFORNIA AND FEDERAL EMISSION CONTROL WARRANTY STATEMENT YOUR WARRANTY RIGHTS AND OBLIGATIONSMANUFACTURER’S EMISSION CONTROL SYSTEM WARRANTY COVERAGE PURCHASER’S/OWNER’S WARRANTY RESPONSIBILITIESEMISSION RELATED PARTS INCLUDE THE FOLLOWING EMISSION CONTROL SYSTEM WARRANTYTHIS WARRANTY SHALL NOT APPLY TO THE FOLLOWING GENERAC POWER SYSTEMS TWO YEAR LIMITED WARRANTY FOR GUARDIANPREPACKAGED EMERGENCY AUTOMATIC STANDBY GENERATORS WARRANTY SCHEDULE
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