Generac Power Systems 04758-2, 04759-2, 04760-2 Electrical Data, Generac Power Systems, Inc

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

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

Image 29

Contents 04760-2 13 kW NG, 15 kW LP Models 04758-2 6 kW NG, 7 kW LP 04759-2 12 kW NG, 12 kW LPThis manual should remain with the unit Installation and Owner’s Manual‹ OPERATION AND MAINTENANCE ‹ CONTENTS‹ HOW TO OBTAIN SERVICE INTRODUCTIONIntroduction Despite the safe design of this generator GENERAL HAZARDSParts of the generator are rotating and/or hot during operation. Exercise care near running generatorsFIRE HAZARDS ELECTRICAL HAZARDSEXPLOSION HAZARDS ‹ STANDARDS INDEX1.2 PROTECTION SYSTEMS 1.1 UNPACKING/INSPECTION1.3 SYSTEM SET LED DANGERFigure 1.2 - 12 kW/15 kW, V-twin GT-990/760 Engine 1.4 THE GENERATORFigure 1.1 - 7 kW, Single Cylinder GH-410 Engine ‹ 1.5.2 ENGINE 1.5 SPECIFICATIONS‹ 1.5.1 GENERATOR 1.6 FUEL REQUIREMENTS AND RECOMMENDATIONS 1.8 RECONFIGURING THE FUEL SYSTEM1.7 FUEL CONSUMPTION DANGER1.8.2 12KW AND 15KW, 990CC ENGINES 1.9 LOCATION1.9.1 GENERATOR Figure 1.4 - Demand Regulator1.11 THE BATTERY 1.10 BATTERY INSTALLATION1.9.2 TRANSFER SWITCH 1.9.2.1 7 kW, 12 kW and 15 kW Units Figure 1.5 - Battery Cable Connections2.3 ELECTRICAL CHECKS 2.2 CHECK TRANSFER SWITCH OPERATION2.1 BEFORE INITIAL START-UP 2.5 CHECKING AUTOMATIC OPERATION 2.4 GENERATOR TESTS UNDER LOADFigure 2.1 - Dual Fuel Regulators 2.6 ADJUSTING THE REGULATOR NATURAL GAS ONLYFigure 2.2 - Placement of Regulator Figure 2.4 - V-twin Engine Governor Adjustment 2.7 ENGINE GOVERNOR ADJUSTMENTFigure 2.3 - Single Cylinder Engine Governor Adjustment Figure 2.5 - V-twin Full Load Speed Adjust Screw3.1 BREAK-IN PROCEDURE 2.8 VOLTAGE REGULATOR ADJUSTMENT3.2 USING THE AUTO/OFF/MANUAL SWITCH FIGURE Figure 2.6 - Voltage Adjustment Potentiometer3.5 MANUAL TRANSFER OPERATION 3.3 AUTOMATIC TRANSFER OPERATION3.4 SEQUENCE OF AUTOMATIC OPERATION ‹ 3.5.1 TRANSFER TO GENERATOR POWER SOURCE‹ 3.7.1 LOW OIL PRESSURE SWITCH ‹ 3.5.2 TRANSFER BACK TO UTILITY POWER SOURCE‹ 3.7.2 HIGH TEMPERATURE SWITCH Figure 3.2 - Manual Transfer Switch Operation4.2 CHECKING THE ENGINE OIL LEVEL Figure 3.3 - Low Oil Pressure and High Temperature Switches4.1 FUSE ‹ 3.7.3 OVERCRANK‹ 4.3.2 OIL CHANGE PROCEDURE 4.5 CHANGING THE ENGINE AIR CLEANER4.3 CHANGING THE ENGINE OIL 4.4 CHANGING THE OIL FILTERFigure 4.6 - 7 kW, Engine Air Cleaner Location 4.7 BATTERY MAINTENANCEFigure 4.7 - 12 kW and 15 kW Engine Air Cleaner Figure 4.8 - Setting the Spark Plug Gap4.9 COOLING SYSTEM 4.8 ADJUSTING VALVE CLEARANCEFigure 4.10 - Valve Clearance Adjustment ‹ 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 CONNECTION CONTROL PANEL BOXCUSTOMER 26 Generac Power Systems, Inc Electrical Schematic - 12 & 15 kW - Drawing No. 0D8501-BSection 6 - Electrical Data Section 6 - Electrical Data 28 Generac Power Systems, IncSection 6 - Electrical Data 224A 30 Generac Power Systems, Inc225A Electrical Schematic - 7 kW - Drawing No. 0D9014-C 32 Generac Power Systems, Inc Section 7 - Exploded Views and Parts ListsPART NO. QTY. DESCRIPTION 34 Generac Power Systems, Inc PART NO. QTY. DESCRIPTION 35, 36, 40 36 Generac Power Systems, Inc27, 28 DESCRIPTION PART NO. QTY38 Generac Power Systems, Inc DESCRIPTION 14 20 40 Generac Power Systems, Inc1.25 FT 1.8 FT42 Generac Power Systems, Inc 1.33 FT 2.6 FT3 FT 44 Generac Power Systems, Inc DESCRIPTION 46 Generac Power Systems, Inc DESCRIPTION 48 Generac Power Systems, Inc DESCRIPTION ALL DIMENSIONS IN MILLIMETERS INCHES 50 Generac Power Systems, IncSection 8 - Mounting Guardian Air-cooled 7 kW, 12 Drawing No. 0D3739-BSection 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 STATEMENTEMISSION RELATED PARTS INCLUDE THE FOLLOWING EMISSION CONTROL SYSTEM WARRANTYPREPACKAGED EMERGENCY AUTOMATIC STANDBY GENERATORS GENERAC POWER SYSTEMS TWO YEAR LIMITED WARRANTY FOR GUARDIANWARRANTY SCHEDULE THIS WARRANTY SHALL NOT APPLY TO THE FOLLOWING