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

Models: 04760-0 04759-0 04758-0

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Section 6 — Electrical Data

Guardian Air-cooled 7 kW, 12 kW and 15 kW Generators Electrical Schematic – 7 kW – Drawing No. 0D9014

	11
	C2-6
	22
TX	C2-5
	N2

56VA

224A

225

1VA

224N1

194

CUSTOMER

CONNECTIONS

66A

15A

239

	17	11
		11
		23
		22
	15A
0	SW1
	SW1
		194
		POWER WINDING
	239	(STATOR)
	15
	23
	194
	15	11
	15
	239
	15
	13	RED
	0	C1-2
	0	SC
	14
	56	14
	C1-1
		SM

SCFS

C1-6

0		BLACK
18		IM
C1-5	D	SP

NEUTRAL

120V

CB1

240V

BATTERY 12V

CUSTOMER

SUPPLIED

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

Contents

04760-0 13 kW NG, 15 kW LP Models 04758-0 6 kW NG, 7 kW LP 04759-0 12 kW NG, 12 kW LPDEADLY EXHAUST FUMES. OUTDOOR INSTALLATION ONLY Not intended for use as Primary Power in place of utility‹ OPERATION AND MAINTENANCE ‹ CONTENTS‹ HOW TO OBTAIN SERVICE INTRODUCTIONIntroduction DANGER GENERAL HAZARDSDespite the safe design of this generator Parts of the generator are rotating and/or hotFIRE HAZARDS ELECTRICAL HAZARDSEXPLOSION HAZARDS ‹ STANDARDS INDEX1.2 PROTECTION SYSTEMS 1.1 UNPACKING/INSPECTION1.3 SYSTEM SET LED DANGER1.4 YOUR GENERATOR Figure 1.1 - 7 kW, Single Cylinder GH-410 EngineFigure 1.2 - 12 kW/15 kW, V-twin GT-990 Engine ‹ 1.5.1 GENERATOR 1.5 SPECIFICATIONS‹ 1.5.2 ENGINE Section 1 - General Information1.6 FUEL REQUIREMENTS AND RECOMMENDATIONS 1.8 RECONFIGURING THE FUEL SYSTEM1.7 FUEL CONSUMPTION DANGER1.9 LOCATION 1.9.2 TRANSFER SWITCH 1.9.2.1 7 kW, 12 kW and 15 kW Units1.9.1 GENERATOR Figure 1.4 - Demand Regulator1.11 THE BATTERY 1.10 BATTERY INSTALLATIONFigure 1.5 - Battery Cable Connections Use tools with insulated handles Wear rubber gloves and boots2.1 BEFORE INITIAL START-UP 2.2 CHECK TRANSFER SWITCH OPERATION2.3 ELECTRICAL CHECKS The following procedures are to be observed2.5 CHECKING AUTOMATIC OPERATION 2.4 GENERATOR TESTS UNDER LOAD2.7 ENGINE GOVERNOR ADJUSTMENT 2.6 ADJUSTING THE REGULATOR NATURAL GAS ONLYFigure 2.2 - Placement of Regulator 2.7.1 7 KW UNITS3.1 BREAK-IN PROCEDURE 2.8 VOLTAGE REGULATOR ADJUSTMENTFigure 2.3 - Engine Governor Adjustment Figure 2.5 - Voltage Adjustment Potentiometer3.4 SEQUENCE OF AUTOMATIC OPERATION 3.3 AUTOMATIC TRANSFER OPERATION‹ 3.2.1 “AUTO” POSITION ‹ 3.2.2 “OFF” POSITION3.5 MANUAL TRANSFER OPERATION ‹ 3.5.2 TRANSFER BACK TO UTILITY POWER SOURCEFigure 3.2 - Manual Transfer Switch Operation ‹ 3.5.1 TRANSFER TO GENERATOR POWER SOURCE‹ 3.7.1 LOW OIL PRESSURE SWITCH 3.6 SETTING THE EXERCISE TIMER‹ 3.7.2 HIGH TEMPERATURE SWITCH Figure 3.3 - Low Oil Pressure and High Temperature Switches4.2 CHECKING THE ENGINE OIL LEVEL 4.1 FUSE4.3 CHANGING THE ENGINE OIL Oil Dipstick and Fill‹ 4.3.2 OIL CHANGE PROCEDURE 4.5 CHANGING THE ENGINE AIR CLEANERFigure 4.6 - 7 kW, Engine Air Cleaner Location Figure 4.7 - 12 kW and 15 kW Engine Air CleanerFigure 4.8 - Setting the Spark Plug Gap 4.7 BATTERY MAINTENANCE4.6 SPARK PLUGS Use tools with insulated handles Wear rubber gloves and bootsFigure 4.10 - Valve Clearance Adjustment 4.8 ADJUSTING VALVE CLEARANCE4.9 COOLING SYSTEM Figure 4.9 - Cooling Vent Locations‹ 4.12.2 RETURN TO SERVICE 4.12 OUT OF SERVICE PROCEDURE‹ 4.12.1 REMOVAL FROM SERVICE 4.10 ATTENTION AFTER SUBMERSION4.13 SERVICE SCHEDULE ATTENTION It is recommended that all service workbe performed by your nearest Generac Authorized Dealer PROBLEM 5.1 TROUBLESHOOTING GUIDECAUSE CORRECTIONSection 6 - Electrical Data CUSTOMER Section 6 - Electrical DataCONNECTION CONTROL PANEL BOXSection 6 - Electrical Data DIAGRAM KEY BA - BRUSH ASSEMBLY BCR - BATTERY CHARGE RELAYSection 6 - Electrical Data ENGINE WIRING Wiring Diagram - 7 kW - Drawing No. 0D9013Section 6 - Electrical Data Guardian Air-cooled 7 kW, 12 kW and 15 kW GeneratorsCONTROL PANEL BOX Section 6 - Electrical DataCUSTOMER CONNECTION CLOSEST TO BEARINGSection 6 - Electrical Data Section 6 - Electrical Data Section 7 - Exploded Views and Parts Lists PART NO. QTY Section 7 - Exploded Views and Parts ListsDESCRIPTION PART NO. QTYSection 7 - Exploded Views and Parts Lists Guardian Air-cooled 7 kW, 12 kW and 15 kW GeneratorsControl Panel - Drawing No. 0D8503-E Section 7 - Exploded Views and Parts Lists PART NO. QTY. DESCRIPTIONPART NO. QTY. DESCRIPTION Section 7 - Exploded Views and Parts Lists Kit Contains66 2, 5, 19, 20, 39, 40, 47, 64, 93 67 8 69 16A, 16B, 17 70 7, 48, 49, 50, 51, 52, 53, 54DESCRIPTION Section 7 - Exploded Views and Parts ListsDESCRIPTION BARBED ELBOW 90 3/8NPT X 3/8 L0CKTITESection 7 - Exploded Views and Parts Lists DESCRIPTION Section 7 - Exploded Views and Parts ListsDESCRIPTION PLATE, BACKING GT990 WITH OIL COOLSection 7 - Exploded Views and Parts Lists DESCRIPTION Section 7 - Exploded Views and Parts Lists1.8 FT 1.25 FTSection 7 - Exploded Views and Parts Lists Guardian Air-cooled 7 kW, 12 kW and 15 kW Generators12 kW and 15 kW Generator - Drawing No. 0D3417-B DESCRIPTION Section 7 - Exploded Views and Parts Lists2.6 FT 2.83 FTSection 7 - Exploded Views and Parts Lists ASSEMBLY, ROCKER COVER BREATHER Section 7 - Exploded Views and Parts ListsDESCRIPTION DESCRIPTIONSection 7 - Exploded Views and Parts Lists Guardian Air-cooled 7 kW, 12 kW and 15 kW GeneratorsGN410 Engine - Drawing No. 0D3539-B Part DESCRIPTION Section 7 - Exploded Views and Parts ListsFOR GT 760 ENGINE ONLY Section 7 - Exploded Views and Parts ListsDESCRIPTION Section 7 - Exploded Views and Parts ListsSection 8 - Mounting ALL DIMENSIONS IN MILLIMETERS INCHESGuardian Air-cooled 7 kW, 12 Drawing No. 0D3739-B and 15 kW GeneratorsGuardian Air-cooled 7 kW, 12 kW and 15 kW Generators Section 9 - NotesMANUFACTURER’S EMISSION CONTROL SYSTEM WARRANTY COVERAGE YOUR WARRANTY RIGHTS AND OBLIGATIONSPURCHASER’S/OWNER’S WARRANTY RESPONSIBILITIES CALIFORNIA AND FEDERAL EMISSION CONTROL WARRANTY STATEMENTEMISSION CONTROL SYSTEM WARRANTY Section 10 - WarrantyEMISSION RELATED PARTS INCLUDE THE FOLLOWING GENERAC POWER SYSTEMS STANDARD TWO YEAR LIMITED WARRANTY FOR WARRANTY SCHEDULESection 10 - Warranty GUARDIAN “EMERGENCY AUTOMATIC STANDBY GENERATORS”