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Generac Power Systems 04759-0, 04758-0, 04760-0 owner manual Electrical Data

Models: 04760-0 04759-0 04758-0

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DIAGRAM KEY

Section 6 — Electrical Data

Guardian Air-cooled 7 kW, 12 kW and 15 kW Generators Electrical Schematic – 12 & 15 kW – Drawing No. 0D8501

11

22

		3
		2
		1	BATTERY	225B
			BATTERY	225B
			CHARGER	224B
				224B
	13A			2
				2
				1
11	0
			13A
				77
	77		C2-1
	77		BATTERY CHARGE
			BATTERY CHARGE
	0			WINDING
	0			66
				66
	22			0
				0
				C2-4

225A

224A

13A

7 7 9 9 BCR

1 4 3 6

66

C2-2

HTO 0 0

F2

13

F1

0 14

0

		11
		22
ELECTRONIC	4	C2-10
VOLTAGE	0	4
REGULATOR	0
		6

162

CB2

C2-8

C2-110

BA

FIELD

0

6

C2-7

2

DPE WINDING (STATOR)

		55
		ENGINE RUN	C1-4	SW2
	0	WINDING		SW2
		WINDING
		(STATOR)
		(STATOR)

0

C2-9C2-3

4

66A

85

C1-6

0

351

1 2 3 4 5

J2

LOP

14

C1-3

86

4

225

224

66A

23

14

J1

2

86

194

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.)

CONTROL

PRINTED CIRCUIT BOARD

323

4194

556

618

714

866A

9239

1015A

1117

1215

130

14225

15224

26

Image 28

Generac Power Systems 04759-0, 04758-0, 04760-0 Electrical Data, Diagram Key Ba - Brush Assembly Bcr - Battery Charge Relay

Contents

Models 04758-0 6 kW NG, 7 kW LP 04759-0 12 kW NG, 12 kW LP 04760-0 13 kW NG, 15 kW LPDEADLY EXHAUST FUMES. OUTDOOR INSTALLATION ONLY Not intended for use as Primary Power in place of utility‹ CONTENTS ‹ OPERATION AND MAINTENANCE‹ HOW TO OBTAIN SERVICE INTRODUCTIONIntroduction GENERAL HAZARDS DANGERDespite the safe design of this generator Parts of the generator are rotating and/or hotELECTRICAL 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 YOUR GENERATORFigure 1.2 - 12 kW/15 kW, V-twin GT-990 Engine 1.5 SPECIFICATIONS ‹ 1.5.1 GENERATOR‹ 1.5.2 ENGINE Section 1 - General Information1.8 RECONFIGURING THE FUEL SYSTEM 1.6 FUEL REQUIREMENTS AND RECOMMENDATIONS1.7 FUEL CONSUMPTION DANGER1.9.2 TRANSFER SWITCH 1.9.2.1 7 kW, 12 kW and 15 kW Units 1.9 LOCATION1.9.1 GENERATOR Figure 1.4 - Demand Regulator1.10 BATTERY INSTALLATION 1.11 THE BATTERYFigure 1.5 - Battery Cable Connections Use tools with insulated handles Wear rubber gloves and boots2.2 CHECK TRANSFER SWITCH OPERATION 2.1 BEFORE INITIAL START-UP2.3 ELECTRICAL CHECKS The following procedures are to be observed2.4 GENERATOR TESTS UNDER LOAD 2.5 CHECKING AUTOMATIC OPERATION2.6 ADJUSTING THE REGULATOR NATURAL GAS ONLY 2.7 ENGINE GOVERNOR ADJUSTMENTFigure 2.2 - Placement of Regulator 2.7.1 7 KW UNITS2.8 VOLTAGE REGULATOR ADJUSTMENT 3.1 BREAK-IN PROCEDUREFigure 2.3 - Engine Governor Adjustment Figure 2.5 - Voltage Adjustment Potentiometer3.3 AUTOMATIC TRANSFER OPERATION 3.4 SEQUENCE OF AUTOMATIC OPERATION‹ 3.2.1 “AUTO” POSITION ‹ 3.2.2 “OFF” POSITION‹ 3.5.2 TRANSFER BACK TO UTILITY POWER SOURCE 3.5 MANUAL TRANSFER OPERATIONFigure 3.2 - Manual Transfer Switch Operation ‹ 3.5.1 TRANSFER TO GENERATOR POWER SOURCE3.6 SETTING THE EXERCISE TIMER ‹ 3.7.1 LOW OIL PRESSURE SWITCH‹ 3.7.2 HIGH TEMPERATURE SWITCH Figure 3.3 - Low Oil Pressure and High Temperature Switches4.1 FUSE 4.2 CHECKING THE ENGINE OIL LEVEL4.3 CHANGING THE ENGINE OIL Oil Dipstick and Fill4.5 CHANGING THE ENGINE AIR CLEANER ‹ 4.3.2 OIL CHANGE PROCEDUREFigure 4.6 - 7 kW, Engine Air Cleaner Location Figure 4.7 - 12 kW and 15 kW Engine Air Cleaner4.7 BATTERY MAINTENANCE Figure 4.8 - Setting the Spark Plug Gap4.6 SPARK PLUGS Use tools with insulated handles Wear rubber gloves and boots4.8 ADJUSTING VALVE CLEARANCE Figure 4.10 - Valve Clearance Adjustment4.9 COOLING SYSTEM Figure 4.9 - Cooling Vent Locations4.12 OUT OF SERVICE PROCEDURE ‹ 4.12.2 RETURN TO SERVICE‹ 4.12.1 REMOVAL FROM SERVICE 4.10 ATTENTION AFTER SUBMERSIONATTENTION It is recommended that all service work 4.13 SERVICE SCHEDULEbe performed by your nearest Generac Authorized Dealer 5.1 TROUBLESHOOTING GUIDE PROBLEMCAUSE CORRECTIONSection 6 - Electrical Data Section 6 - Electrical Data CUSTOMERCONNECTION CONTROL PANEL BOXDIAGRAM KEY BA - BRUSH ASSEMBLY BCR - BATTERY CHARGE RELAY Section 6 - Electrical DataSection 6 - Electrical Data Wiring Diagram - 7 kW - Drawing No. 0D9013 ENGINE WIRINGSection 6 - Electrical Data Guardian Air-cooled 7 kW, 12 kW and 15 kW GeneratorsSection 6 - Electrical Data CONTROL PANEL BOXCUSTOMER CONNECTION CLOSEST TO BEARINGSection 6 - Electrical Data Section 6 - Electrical Data Section 7 - Exploded Views and Parts Lists Section 7 - Exploded Views and Parts Lists PART NO. QTYDESCRIPTION PART NO. QTYGuardian Air-cooled 7 kW, 12 kW and 15 kW Generators Section 7 - Exploded Views and Parts ListsControl Panel - Drawing No. 0D8503-E PART NO. QTY. DESCRIPTION Section 7 - Exploded Views and Parts ListsPART NO. QTY. DESCRIPTION Kit Contains Section 7 - Exploded Views and Parts Lists66 2, 5, 19, 20, 39, 40, 47, 64, 93 67 8 69 16A, 16B, 17 70 7, 48, 49, 50, 51, 52, 53, 54Section 7 - Exploded Views and Parts Lists DESCRIPTIONDESCRIPTION BARBED ELBOW 90 3/8NPT X 3/8 L0CKTITESection 7 - Exploded Views and Parts Lists Section 7 - Exploded Views and Parts Lists DESCRIPTIONDESCRIPTION PLATE, BACKING GT990 WITH OIL COOLSection 7 - Exploded Views and Parts Lists Section 7 - Exploded Views and Parts Lists DESCRIPTION1.8 FT 1.25 FTGuardian Air-cooled 7 kW, 12 kW and 15 kW Generators Section 7 - Exploded Views and Parts Lists12 kW and 15 kW Generator - Drawing No. 0D3417-B Section 7 - Exploded Views and Parts Lists DESCRIPTION2.6 FT 2.83 FTSection 7 - Exploded Views and Parts Lists Section 7 - Exploded Views and Parts Lists ASSEMBLY, ROCKER COVER BREATHERDESCRIPTION DESCRIPTIONGuardian Air-cooled 7 kW, 12 kW and 15 kW Generators Section 7 - Exploded Views and Parts ListsGN410 Engine - Drawing No. 0D3539-B Part Section 7 - Exploded Views and Parts Lists DESCRIPTIONSection 7 - Exploded Views and Parts Lists FOR GT 760 ENGINE ONLYSection 7 - Exploded Views and Parts Lists DESCRIPTIONALL DIMENSIONS IN MILLIMETERS INCHES Section 8 - MountingGuardian Air-cooled 7 kW, 12 Drawing No. 0D3739-B and 15 kW GeneratorsSection 9 - Notes Guardian Air-cooled 7 kW, 12 kW and 15 kW GeneratorsYOUR WARRANTY RIGHTS AND OBLIGATIONS MANUFACTURER’S EMISSION CONTROL SYSTEM WARRANTY COVERAGEPURCHASER’S/OWNER’S WARRANTY RESPONSIBILITIES CALIFORNIA AND FEDERAL EMISSION CONTROL WARRANTY STATEMENTSection 10 - Warranty EMISSION CONTROL SYSTEM WARRANTYEMISSION RELATED PARTS INCLUDE THE FOLLOWING WARRANTY SCHEDULE GENERAC POWER SYSTEMS STANDARD TWO YEAR LIMITED WARRANTY FORSection 10 - Warranty GUARDIAN “EMERGENCY AUTOMATIC STANDBY GENERATORS”