Generac Power Systems 04389-1, 04456-1, 04390-1 owner manual Utility

Page 29

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		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

D

18

C1-5

D IM2

SP2

Generac® Power Systems, Inc. 27

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Contents Installation Authorized Dealer Location IntroductionMaintenance Post Installation Start-up AdjustmentsTroubleshooting Introduction Inside Front CoverGeneral Hazards ‹ Standards Index Electrical HazardsSystem SET LED UNPACKING/INSPECTIONProtection Systems 7 kW, Single Cylinder GH-410 Engine Your Generator‹ 1.5.2 Engine Specifications‹ 1.5.1 Generator Fuel Requirements Recommendations Reconfiguring the Fuel SystemFuel Consumption 1 7 KW, 410CC EngineLocation Transfer SwitchGenerator 2.1 7 kW, 12 kW and 15 kW UnitsBattery Battery InstallationElectrical Checks Check Transfer Switch OperationBefore Initial START-UP Checking Automatic Operation Generator Tests Under Load1 7 KW Units Adjusting the Regulator Natural GAS onlyEngine Governor Adjustment 2 12 KW and 15 KW Units Voltage Regulator AdjustmentAutomatic Transfer Operation BREAK-IN Procedure‹ 3.2.3 Manual Position ‹ 3.2.1 Auto PositionManual Transfer Operation Sequence of Automatic Operation‹ 3.5.2 Transfer Back to Utility Power Source Setting the Exercise Timer‹ 3.7.1 LOW OIL Pressure Switch ‹ 3.7.2 High Temperature Switch‹ 3.7.4 Overspeed Checking the Engine OIL LevelApproximate Crank Cycle Times Changing the Engine OIL ‹ 4.3.2 OIL Change ProcedureChanging the OIL Filter ‹ 4.3.1 Engine OIL RecommendationsSpark Plugs Battery MaintenanceCooling System Adjusting GH-410/GT-990 Valve Clearance‹ 4.12.1 Removal from Service OUT of Service Procedure‹ 4.12.2 Return to Service Corrosion ProtectionSYSTEM/COMPONENT Procedure Frequency Service ScheduleProblem Cause Correction Troubleshooting GuideElectrical Data Customer Battery Utility Battery Charger Utility Connection BCR Customer Connections Neutral Exploded Views and Parts Lists Part NO.QTY. Description Exploded Views and Parts Lists QTY Description Exploded Views and Parts Lists BOX GTS Load Center Exploded Views and Parts Lists COVER, 12 Position GTS Load Center Kit Contains BUSHING, Governor Lower 138 122 KNOB, AIR Cleaner 28 31 ADAPTOR, Engine Exploded Views and Parts Lists Stator 12KW Exploded Views and Parts Lists ASSEMBLY, Connecting ROD Exploded Views and Parts Lists SCREW, Taptite M6-1.0X8 Yellow Chrome Engine only Mounting Dimensions Guardian Air-cooled 7 kW, 12 kW and 15 kW Generators Guardian Air-cooled 7 kW, 12 kW and 15 kW Generators PURCHASER’S/OWNER’S Warranty Responsibilities Your Warranty Rights and ObligationsMANUFACTURER’S Emission Control System Warranty Coverage Emission Related Parts Include the Following Emission Control System WarrantyThis Warranty Shall not Apply to the Following Warranty Schedule