Manuals / Generac Power Systems / Lawn and Garden / Portable Generator

Generac Power Systems 04758-1, 04759-1, 04760-1 Electrical Data, Generac Power Systems, Inc

Models: 04758-1, 04759-1, 04760-1

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Section 6 — Electrical Data

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

225A N2 56VA

224A

225 1VA

224 N1

15A

17	13
17
	194
	239
	0
	14
	0
	13
15	SCR
56	16
18

17	0

C1-5

	C2-6
	C2-5				N1	240VAC
					N1	240VAC
						UTILITY
	N2				N2	INPUT
		N1			23	12Vdc
						12Vdc
						TRANSFER
						TRANSFER
					194	RELAY
					194	COIL
						COIL
						CUSTOMER
						CONNECTIONS
			11
			23			NEUTRAL
						NEUTRAL

				22
15A				33
	SW1
194				POWER		120V
				WINDING		120V
239				(STATOR)
15
				44	CB1
23					CB1
23
15				11
15
						240V
15
13						RED
				C2-1		SC
						SC
16			14
C1-1
		SC	FS		SM	BATTERY
		SC	FS		SM	12V
						12V
0			0
0						BLACK

CUSTOMER

IM1	SUPPLIED
	SP1

D IM2

SP2

Generac® Power Systems, Inc. 27

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Generac Power Systems 04758-1, 04759-1, 04760-1 owner manual Electrical Data, Generac Power Systems, Inc

Contents

04760-1 13 kW NG, 15 kW LP Models 04758-1 6 kW NG, 7 kW LP 04759-1 12 kW NG, 12 kW LPThis manual should remain with the unit DEADLY EXHAUST FUMES. OUTDOOR INSTALLATION ONLY‹ 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 THE GENERATOR Fuel Regulator Fuel Inlet Battery CompartmentFigure 1.1 - 7 kW, Single Cylinder GH-410 Engine Figure 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 PROBLEM 5.1 TROUBLESHOOTING GUIDECAUSE CORRECTIONSection 6 - Electrical Data 24 Generac Power Systems, IncENGINE WIRING Section 6 - Electrical Data Generac Power Systems, IncCONTROL PANEL BOX CUSTOMER26 Generac Power Systems, Inc Electrical Schematic - 12 & 15 kW - Drawing No. 0D8501-BSection 6 - Electrical Data Guardian Air-cooled 7 kW, 12 kW and 15 kW GeneratorsSection 6 - Electrical Data Generac Power Systems, IncSection 6 - Electrical Data 28 Generac Power Systems, IncENGINE WIRING Section 6 - Electrical Data Generac Power Systems, IncCONTROL PANEL BOX CUSTOMERSection 6 - Electrical Data 30 Generac Power Systems, Inc225A 224AGenerac Power Systems, Inc Electrical Schematic - 7 kW - Drawing No. 0D9014-CSection 6 - Electrical Data Guardian Air-cooled 7 kW, 12 kW and 15 kW Generators9115 Section 7 - Exploded Views and Parts Lists32 Generac Power Systems, Inc Generac Power Systems, Inc Section 7 - Exploded Views and Parts ListsPART NO.QTY. DESCRIPTION PART NO.QTY. DESCRIPTION34 Generac Power Systems, Inc Section 7 - Exploded Views and Parts ListsPART NO. QTY. DESCRIPTION Section 7 - Exploded Views and Parts ListsPART NO. QTY. DESCRIPTION 36 Generac Power Systems, Inc Section 7 - Exploded Views and Parts Lists2, 5, 19, 20, 39, 40, 47, 64 3, 32, 33, 34, 35, 36, 40PART NO. QTY Section 7 - Exploded Views and Parts ListsDESCRIPTION PART NO. QTY38 Generac Power Systems, Inc DESCRIPTION Section 7 - Exploded Views and Parts ListsDESCRIPTION 40 Generac Power Systems, Inc Section 7 - Exploded Views and Parts ListsDESCRIPTION Section 7 - Exploded Views and Parts Lists1.8 FT 1.25 FT42 Generac Power Systems, Inc Section 7 - Exploded Views and Parts ListsDESCRIPTION Section 7 - Exploded Views and Parts Lists2.6 FT 3 FT44 Generac Power Systems, Inc Section 7 - Exploded Views and Parts ListsDESCRIPTION Section 7 - Exploded Views and Parts Lists46 Generac Power Systems, Inc Section 7 - Exploded Views and Parts ListsDESCRIPTION Section 7 - Exploded Views and Parts ListsFOR GT 760 ENGINE ONLY Section 7 - Exploded Views and Parts Lists48 Generac Power Systems, Inc DESCRIPTION Section 7 - Exploded Views and Parts ListsALL DIMENSIONS IN MILLIMETERS INCHES 50 Generac Power Systems, IncSection 8 - Mounting Guardian Air-cooled 7 kW, 12 Drawing No. 0D3739-BGuardian Air-cooled 7 kW, 12 kW and 15 kW Generators Generac Power Systems, IncSection 9 - Notes MANUFACTURER’S EMISSION CONTROL SYSTEM WARRANTY COVERAGE YOUR WARRANTY RIGHTS AND OBLIGATIONSPURCHASER’S/OWNER’S WARRANTY RESPONSIBILITIES CALIFORNIA AND FEDERAL EMISSION CONTROL WARRANTY STATEMENTSection 10 - Warranty EMISSION CONTROL SYSTEM WARRANTYEMISSION RELATED PARTS INCLUDE THE FOLLOWING “PREPACKAGED EMERGENCY AUTOMATIC STANDBY GENERATORS” GENERAC POWER SYSTEMS “TWO YEAR” LIMITED WARRANTY FOR GUARDIANSection 10 - Warranty WARRANTY SCHEDULE