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

Page 28
Electrical Schematic – 12 & 15 kW – Drawing No. 0D8501-B

Section 6 — Electrical Data

Guardian Air-cooled 7 kW, 12 kW and 15 kW Generators

Electrical Schematic – 12 & 15 kW – Drawing No. 0D8501-B

 

 

 

11

 

 

 

 

 

 

 

 

 

 

 

22

 

 

 

 

 

 

 

 

3

 

 

 

 

 

 

 

225A

 

 

 

 

225A

 

 

 

 

 

 

2

 

 

 

224A

 

 

 

 

 

1

BATTERY

225B

 

 

 

 

F2

224A

 

 

 

 

 

 

 

225

 

 

 

CHARGER

224B

 

 

 

13A

13

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

13A

 

2

 

 

 

 

 

224

 

 

 

 

 

 

 

 

F1

 

 

 

 

1

7

7

 

9

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BCR

 

 

11

0

 

 

 

 

6

3

4

 

 

 

 

 

 

 

 

 

 

 

 

 

 

13A

 

 

 

 

 

 

 

 

 

 

 

 

 

77

 

 

 

 

 

77

C2-1

BATTERY CHARGE

66

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0

 

 

WINDING

 

 

 

 

 

 

 

 

66

 

 

 

 

 

 

 

 

 

 

 

 

22

 

 

 

0

C2-2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C2-4

 

HTO 0 0

 

 

 

C2-11

 

0

55

 

 

 

 

 

11

BA

 

 

ENGINE RUN

 

SW2

 

 

 

 

 

C1-4

 

 

 

 

0

WINDING

 

 

 

 

 

 

 

 

22

FIELD

 

(STATOR)

 

 

 

 

 

 

 

 

 

 

 

 

0

 

 

 

 

 

 

 

 

C2-3

 

 

ELECTRONIC

4

C2-10

 

 

C2-9

 

 

 

 

 

 

 

VOLTAGE

0

4

 

 

 

4

 

 

REGULATOR

0

 

 

 

 

66A

 

 

 

 

 

 

 

 

 

 

 

 

 

 

85

 

 

 

6

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

162

 

 

C1-6

 

 

 

 

 

CB2

 

6

0

 

351

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C2-8

C2-7

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2

 

 

 

 

 

 

 

 

13

0

14

15

 

 

 

0

 

 

0

 

 

 

LOP

 

 

 

14

15

 

 

 

 

C1-3

 

 

 

 

23

 

 

86

194

 

4

22514

224

66A

(STATOR)

DIAGRAM KEY

BA - BRUSH ASSEMBLY

BCR - BATTERY CHARGE RELAY

CB1 - CIRCUIT BREAKER, MAIN OUTPUT CB2 - CIRCUIT BREAKER, ALT. EXCITATION D - DIODE

FS - FUEL SOLENOID F1 - FUSE 15 AMP F2 - FUSE 5 AMP

HTO - HIGH OIL TEMPERATURE SWITCH

IM1 - IGNITION MODULE, CYLINDER #1

IM2 - IGNITION MODULE, CYLINDER #2 LOP - LOW OIL PRESSURE SWITCH SC - STARTER CONTACTER

SCR - STARTER CONTACTOR RELAY SP1, SP2 - SPARK PLUGS

SW1 - AUTO / OFF / MANUAL SWITCH SW2 - SET EXERCISE SWITCH

SM - STARTER MOTOR

TX - TRANSFORMER, 16 Vac 56 VA & 16 Vac 1 VA (DUAL SEC.)

26 Generac® Power Systems, Inc. 1 Manual background 2 Manual background 3 Manual background 4 Manual background 5 Manual background

J2

CONTROL

PRINTED CIRCUIT BOARD

15A

 

1

23

 

239

J1

4

194

66A

2

86

 

 

 

3

23

 

 

Manual backgroundManual background194 Manual background

5 Manual background56 Manual backgroundManual backgroundManual background18 Manual background 7 Manual background14 Manual background

Manual backgroundManual background66A Manual background

9 Manual background239 Manual background

10Manual background15A Manual background

Manual background17 Manual background

12Manual background15 Manual background

Manual background0Manual background

14Manual background225 Manual background

Manual backgroundManual background224 Manual background

16

17

26 Generac® Power Systems, Inc.

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Page 27 Page 29
Contents Models 04758-2 6 kW NG, 7 kW LP 04759-2 12 kW NG, 12 kW LP 04760-2 13 kW NG, 15 kW LPThis manual should remain with the unit Installation and Owner’s Manual‹ CONTENTS ‹ OPERATION AND MAINTENANCE‹ HOW TO OBTAIN SERVICE INTRODUCTIONIntroduction GENERAL HAZARDS Despite the safe design of this generatorParts of the generator are rotating and/or hot during operation. Exercise care near running generatorsELECTRICAL HAZARDS FIRE HAZARDSEXPLOSION HAZARDS ‹ STANDARDS INDEX1.1 UNPACKING/INSPECTION 1.2 PROTECTION SYSTEMS1.3 SYSTEM SET LED DANGERFigure 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 1.8 RECONFIGURING THE FUEL SYSTEM 1.6 FUEL REQUIREMENTS AND RECOMMENDATIONS1.7 FUEL CONSUMPTION DANGER1.9 LOCATION 1.8.2 12KW AND 15KW, 990CC ENGINES1.9.1 GENERATOR Figure 1.4 - Demand Regulator1.10 BATTERY INSTALLATION 1.11 THE BATTERY1.9.2 TRANSFER SWITCH 1.9.2.1 7 kW, 12 kW and 15 kW Units Figure 1.5 - Battery Cable Connections2.1 BEFORE INITIAL START-UP 2.2 CHECK TRANSFER SWITCH OPERATION2.3 ELECTRICAL CHECKS 2.4 GENERATOR TESTS UNDER LOAD 2.5 CHECKING AUTOMATIC OPERATIONFigure 2.2 - Placement of Regulator 2.6 ADJUSTING THE REGULATOR NATURAL GAS ONLYFigure 2.1 - Dual Fuel Regulators 2.7 ENGINE GOVERNOR ADJUSTMENT Figure 2.4 - V-twin Engine Governor AdjustmentFigure 2.3 - Single Cylinder Engine Governor Adjustment Figure 2.5 - V-twin Full Load Speed Adjust Screw2.8 VOLTAGE REGULATOR ADJUSTMENT 3.1 BREAK-IN PROCEDURE3.2 USING THE AUTO/OFF/MANUAL SWITCH FIGURE Figure 2.6 - Voltage Adjustment Potentiometer3.3 AUTOMATIC TRANSFER OPERATION 3.5 MANUAL TRANSFER OPERATION3.4 SEQUENCE OF AUTOMATIC OPERATION ‹ 3.5.1 TRANSFER TO GENERATOR POWER SOURCE‹ 3.5.2 TRANSFER BACK TO UTILITY POWER SOURCE ‹ 3.7.1 LOW OIL PRESSURE SWITCH‹ 3.7.2 HIGH TEMPERATURE SWITCH Figure 3.2 - Manual Transfer Switch OperationFigure 3.3 - Low Oil Pressure and High Temperature Switches 4.2 CHECKING THE ENGINE OIL LEVEL4.1 FUSE ‹ 3.7.3 OVERCRANK4.5 CHANGING THE ENGINE AIR CLEANER ‹ 4.3.2 OIL CHANGE PROCEDURE4.3 CHANGING THE ENGINE OIL 4.4 CHANGING THE OIL FILTER4.7 BATTERY MAINTENANCE Figure 4.6 - 7 kW, Engine Air Cleaner LocationFigure 4.7 - 12 kW and 15 kW Engine Air Cleaner Figure 4.8 - Setting the Spark Plug GapFigure 4.10 - Valve Clearance Adjustment 4.8 ADJUSTING VALVE CLEARANCE4.9 COOLING SYSTEM 4.12 OUT OF SERVICE PROCEDURE ‹ 4.12.2 RETURN TO SERVICE‹ 4.12.1 REMOVAL FROM SERVICE 4.10 ATTENTION AFTER SUBMERSION4.13 SERVICE SCHEDULE 5.1 TROUBLESHOOTING GUIDE PROBLEMCAUSE CORRECTIONENGINE WIRING 24 Generac Power Systems, IncSection 6 - Electrical Data CUSTOMER CONTROL PANEL BOXCONNECTION Electrical Schematic - 12 & 15 kW - Drawing No. 0D8501-B 26 Generac Power Systems, IncGenerac Power Systems, Inc 28 Generac Power Systems, Inc Section 6 - Electrical DataGenerac Power Systems, Inc 225A 30 Generac Power Systems, Inc224A Electrical Schematic - 7 kW - Drawing No. 0D9014-C Section 7 - Exploded Views and Parts Lists 32 Generac Power Systems, IncPART NO. QTY. DESCRIPTION 34 Generac Power Systems, Inc PART NO. QTY. DESCRIPTION 27, 28 36 Generac Power Systems, Inc35, 36, 40 PART NO. QTY DESCRIPTION38 Generac Power Systems, Inc DESCRIPTION 40 Generac Power Systems, Inc 14 201.8 FT 1.25 FT42 Generac Power Systems, Inc 3 FT 2.6 FT1.33 FT 44 Generac Power Systems, Inc Section 7 - Exploded Views and Parts Lists 46 Generac Power Systems, Inc Section 7 - Exploded Views and Parts Lists 48 Generac Power Systems, Inc Section 7 - Exploded Views and Parts Lists 50 Generac Power Systems, Inc ALL DIMENSIONS IN MILLIMETERS INCHESSection 8 - Mounting Guardian Air-cooled 7 kW, 12 Drawing No. 0D3739-BSection 9 - Notes YOUR WARRANTY RIGHTS AND OBLIGATIONS MANUFACTURER’S EMISSION CONTROL SYSTEM WARRANTY COVERAGEPURCHASER’S/OWNER’S WARRANTY RESPONSIBILITIES CALIFORNIA AND FEDERAL EMISSION CONTROL WARRANTY STATEMENTEMISSION CONTROL SYSTEM WARRANTY EMISSION RELATED PARTS INCLUDE THE FOLLOWINGGENERAC POWER SYSTEMS TWO YEAR LIMITED WARRANTY FOR GUARDIAN PREPACKAGED EMERGENCY AUTOMATIC STANDBY GENERATORSWARRANTY SCHEDULE THIS WARRANTY SHALL NOT APPLY TO THE FOLLOWING
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