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Generac 04674-2 Electrical Data, Generac Air-cooled 7 kW, 12 kW and 15 kW Generators, Input

Models: 04674-2 04675-3 04673-2

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Section 6 — Electrical Data

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

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

		11
		22		C2-6
		22
		TX		C2-5					240VAC
225A		N2						N1	240VAC
	56VA								UTILITY
	56VA			N2				N2	INPUT
				N2				N2	INPUT
224A					N1				12Vdc
225					N1			23
225
									TRANSFER
	1VA								TRANSFER
	1VA							194	RELAY
									RELAY
224		N1							COIL
									COIL

									CUSTOMER
13									CONNECTIONS
13
		17				11
						11
						23			NEUTRAL
									NEUTRAL

							22
			15A				33
	0			SW1
				SW1
15A			194				POWER		120V
15A							POWER		120V
							WINDING		120V
		13	239				(STATOR)
17		13	15
17			15
							44	CB1
			23					CB1
			23
		194
			15				11
			15
		239
	0								240V
		14
			15
		0	13						RED
		0					C2-1
		13							SC
									SC
	15	SCR
56		16	16			14
18			C1-1
17	0				SC	FS		SM	BATTERY
	0				SC	FS		SM	12V
									12V
			0			0
			0						BLACK
15									CUSTOMER
0							IM1		CUSTOMER
0							IM1		SUPPLIED
		18					SP1

C1-5

D IM2

SP2

Generac® Power Systems, Inc. 27

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Generac 04674-2 Electrical Data, Generac Air-cooled 7 kW, 12 kW and 15 kW Generators, Generac Power Systems, Inc, Input

Contents

04675-3 13 kW NG, 15 kW LP Models 04673-2 6 kW NG, 7 kW LP 04674-2 12 kW NG, 12 kW LPThis manual should remain with the unit Installation and Owner’s ManualAUTHORIZED DEALER LOCATION INTRODUCTIONDANGER safety and/or property of othersIntroduction DANGER GENERAL HAZARDSPlease read all hazards carefully Despite the safe design of this generatorFIRE HAZARDS ELECTRICAL HAZARDSEXPLOSION HAZARDS ‹ STANDARDS INDEX1.2 PROTECTION SYSTEMS 1.1 UNPACKING/INSPECTION1.3 SYSTEM SET LED DANGERGenerac Power Systems, Inc 1.4 THE GENERATORFigure 1.1 - 7 kW, Single Cylinder GH-410 Engine Figure 1.2 - 12 kW/15 kW, V-twin GT-990/760 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 Figure 1.3 - Demand Regulator1.9.2 TRANSFER SWITCH 1.9 LOCATION1.9.1 GENERATOR 1.9.2.1 7 kW, 12 kW and 15 kW Units1.11 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 Do not make any unnecessary adjustmentsFigure 2.3 - Single Cylinder Engine Governor Adjustment 2.8 VOLTAGE REGULATOR ADJUSTMENTFigure 2.5 - V-twin Full Load Speed Adjust Screw Figure 2.4 - V-twin Engine Governor Adjustment3.3 AUTOMATIC TRANSFER OPERATION 3.1 BREAK-IN PROCEDURE3.4 SEQUENCE OF AUTOMATIC OPERATION 3.2 USING THE AUTO/OFF/MANUAL SWITCH FIGURE‹ 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 SOURCE3.7 PROTECTION SYSTEMS 3.6 SETTING THE EXERCISE TIMERFigure 3.3 - Low Oil Pressure and High Temperature Switches Low Oil Switch4.2 CHECKING THE ENGINE OIL LEVEL 4.1 FUSE4.3 CHANGING THE ENGINE OIL Oil Dipstick and Fill4.4 CHANGING THE OIL FILTER 4.5 CHANGING THE ENGINE AIR CLEANEROil Drain Hose Oil Filter Figure 4.6 - 7 kW, Engine Air Cleaner Location4.6 SPARK PLUGS 4.7 BATTERY MAINTENANCEFigure 4.8 - Setting the Spark Plug Gap Use tools with insulated handles Wear rubber gloves and boots4.9 COOLING SYSTEM 4.8 ADJUSTING VALVE CLEARANCEFigure 4.10 - Valve Clearance Adjustment The maximum ambient temperature for the generator is 48.9 C 104 F4.10 ATTENTION AFTER SUBMERSION 4.12 OUT OF SERVICE PROCEDURE4.11 CORROSION PROTECTION ‹ 4.12.2 RETURN TO SERVICE4.13 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 Generac Air-cooled 7 kW, 12 kW and 15 kW GeneratorsGenerac Power Systems, Inc Electrical Schematic - 12 & 15 kW - Drawing No. 0D8501-BSection 6 - Electrical Data Generac Air-cooled 7 kW, 12 kW and 15 kW GeneratorsSection 6 - Electrical Data 28 Generac Power Systems, IncENGINE WIRING Section 6 - Electrical Data Generac Power Systems, IncCONTROL PANEL BOX CUSTOMER30 Generac Power Systems, Inc Electrical Schematic - 7 kW - Drawing No. 0D9014-CSection 6 - Electrical Data Generac Air-cooled 7 kW, 12 kW and 15 kW GeneratorsGenerac Power Systems, Inc Electrical Schematic - 7 kW - Drawing No. 0D9014-CSection 6 - Electrical Data Generac Air-cooled 7 kW, 12 kW and 15 kW Generators32 Generac Power Systems, Inc Section 7 - Exploded Views and Parts ListsPART NO. QTY. DESCRIPTION Section 7 - Exploded Views and Parts ListsPART NO. QTY. DESCRIPTION 34 Generac Power Systems, Inc Section 7 - Exploded Views and Parts ListsGenerac Air-cooled 7 kW, 12 kW and 15 kW Generators Control Panel - Drawing No. 0E7974-GPART NO. QTY Section 7 - Exploded Views and Parts ListsDESCRIPTION PART NO. QTY36 Generac Power and Parts Lists1310 16B 16APART NO. QTY Section 7 - Exploded Views and Parts ListsDESCRIPTION PART NO. QTY38 Generac Power Systems, Inc Section 7 - Exploded Views and Parts ListsITEM PART NO. QTY. DESCRIPTION Section 7 - Exploded Views and Parts ListsITEM PART NO. QTY. DESCRIPTION SCREW SHOULDER 8MM M6-1.0 X14 20 Section 7 - Exploded Views and Parts Lists40 Generac Power Systems, Inc DESCRIPTION Section 7 - Exploded Views and Parts Lists1.8 FT 1.25 FT42 Generac Power Systems, Inc Section 7 - Exploded Views and Parts ListsGenerac Air-cooled 7 kW, 12 kW and 15 kW Generators 12 kW and 15 kW Generator - Drawing No. 0D3417-JDESCRIPTION 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 ListsGenerac Air-cooled 7 kW, 12 kW and 15 kW Generators GN410 Engine - Drawing No. 0E9180-B PartDESCRIPTION Section 7 - Exploded Views and Parts Lists48 Generac Power Systems, Inc Section 7 - Exploded Views and Parts ListsDESCRIPTION Section 7 - Exploded Views and Parts Lists50 Generac Power Systems, Inc DimensionsALL DIMENSIONS IN MILLIMETERS INCHES Section 8 - MountingGenerac Air-cooled 7 kW, 12 kW and 15 kW Generators Generac Power Systems, IncSection 9 - Notes YOUR WARRANTY RIGHTS AND OBLIGATIONS CALIFORNIA EMISSION CONTROL WARRANTY STATEMENTMANUFACTURER’S EMISSION CONTROL SYSTEM WARRANTY COVERAGE PURCHASER’S/OWNER’S WARRANTY RESPONSIBILITIESEMISSION RELATED PARTS INCLUDE THE FOLLOWING EMISSION CONTROL SYSTEM WARRANTYSection 10 - Warranty FOR GENERAC RESIDENTIAL AND LIGHT COMMERCIAL UNITS GENERAC POWER SYSTEMS STANDARD TWO-YEAR LIMITED WARRANTYSection 10 - Warranty WARRANTY SCHEDULE

INPUT

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