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Generac 04674-2, 04673-2, 04675-3 Electrical Data, Generac Power Systems, Inc, Engine Wiring

Models: 04674-2 04675-3 04673-2

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Section 6 — Electrical Data

Section 6 — Electrical Data

Generac Air-cooled 7 kW, 12 kW and 15 kW Generators Wiring Diagram – 12 & 15 kW – Drawing No. 0D8500-B

DIAGRAM KEY

BA - BRUSH ASSEMBLY

BCR - BATTERY CHARGE RELAY

CB1 - MAIN OUTPUT BREAKER

CB2 - CIRCUIT BREAKER, ALTERNATOR EXCITATION

D - DIODE

DSW - PCB MOUNTED DIP SWITCH FS - FUEL SOLENOID

F1 - FUSE 15 AMP

F2 - FUSE 5 AMP

GRD - CONTROL PANEL GROUND HTO - HIGH OIL TEMPERATURE SWITCH IC - INLINE CONNECTOR

ICT - INTERCONNECTION TERMINALS

IM1 - IGNITION MODULE, CYLINDER #1

IM2 - IGNITION MODULE, CYLINDER #2

LOP - LOW OIL PRESSURE SWITCH SC - STARTER CONTACTOR

SCR - STARTER CONTACTOR RELAY SP1, SP2 - SPARK PLUGS

SW1 - AUTO / OFF / MANUAL SWITCH SW2 - SET EXERCISE SWITCH

SM - STARTER MOTOR

TB - INSULATED TERMINAL BLOCK

TX - TRANSFORMER, 16 Vac 56 VA & 16 Vac 1 VA (DUAL SEC.)

ENGINE WIRING

	3
2		BATTERY

	1
		CHARGER
14			2
0
0			1
				225B
FS				224B
				224B
		13A		13A
0			0
0				225B
0				224B
				224B
			14
0			0
14
14

		IC
SP1	D
SP1
	IM1
SP2	D	IC
SP2		IC

IC

IM2

85

HTO

0

86

LOP

0

TB

0 6 0

18

14

85 4

86 3

13	13
1	16					13
1	16
C1
	16
SCR
	13
	18
A	B
86				351
				351
56	0							14
56
85
16	56
16
13								86
								86
	1		2		3		4		5
	1		2		3		4		5
					J2
									J1
	CONTROL
PRINTED CIRCUIT BOARD

18

56

1	4
	4
2
3	23
	23
4
5	56
	56
6
7	14
	14
8

13

13

351

18

56 14

86

194

18

66A

BLACK

RED

	DSW
SM	1 - 20 Vac Sense Transformer

9	239
	239
10
11	17
12
13	0
14
15	224

15A

15

225

+

12V

BATTERY

CUSTOMER SUPPLIED

2 - Remote Not Auto

3 - 50 Hz Operation

4 - SPARE

SC

L.E.D - ALARM INDICATORS

16

17

24 Generac® Power Systems, Inc.

Image 26

Generac 04674-2, 04673-2, 04675-3 owner manual Electrical Data, Generac Power Systems, Inc, Engine Wiring

Contents

This manual should remain with the unit Models 04673-2 6 kW NG, 7 kW LP 04674-2 12 kW NG, 12 kW LP04675-3 13 kW NG, 15 kW LP Installation and Owner’s ManualDANGER INTRODUCTIONAUTHORIZED DEALER LOCATION safety and/or property of othersIntroduction Please read all hazards carefully GENERAL HAZARDSDANGER Despite the safe design of this generatorEXPLOSION HAZARDS ELECTRICAL HAZARDSFIRE HAZARDS ‹ STANDARDS INDEX1.3 SYSTEM SET LED 1.1 UNPACKING/INSPECTION1.2 PROTECTION SYSTEMS DANGERFigure 1.1 - 7 kW, Single Cylinder GH-410 Engine 1.4 THE GENERATORGenerac Power Systems, Inc Figure 1.2 - 12 kW/15 kW, V-twin GT-990/760 Engine‹ 1.5.2 ENGINE 1.5 SPECIFICATIONS‹ 1.5.1 GENERATOR Section 1 - General Information1.7 FUEL CONSUMPTION 1.8 RECONFIGURING THE FUEL SYSTEM1.6 FUEL REQUIREMENTS AND RECOMMENDATIONS Figure 1.3 - Demand Regulator1.9.1 GENERATOR 1.9 LOCATION1.9.2 TRANSFER SWITCH 1.9.2.1 7 kW, 12 kW and 15 kW UnitsFigure 1.5 - Battery Cable Connections 1.10 BATTERY INSTALLATION1.11 THE BATTERY Use tools with insulated handles Wear rubber gloves and boots2.3 ELECTRICAL CHECKS 2.2 CHECK TRANSFER SWITCH OPERATION2.1 BEFORE INITIAL START-UP The following procedures are to be observed2.4 GENERATOR TESTS UNDER LOAD 2.5 CHECKING AUTOMATIC OPERATIONFigure 2.2 - Placement of Regulator 2.6 ADJUSTING THE REGULATOR NATURAL GAS ONLY2.7 ENGINE GOVERNOR ADJUSTMENT Do not make any unnecessary adjustmentsFigure 2.5 - V-twin Full Load Speed Adjust Screw 2.8 VOLTAGE REGULATOR ADJUSTMENTFigure 2.3 - Single Cylinder Engine Governor Adjustment Figure 2.4 - V-twin Engine Governor Adjustment3.4 SEQUENCE OF AUTOMATIC OPERATION 3.1 BREAK-IN PROCEDURE3.3 AUTOMATIC TRANSFER OPERATION 3.2 USING THE AUTO/OFF/MANUAL SWITCH FIGUREFigure 3.2 - Manual Transfer Switch Operation 3.5 MANUAL TRANSFER OPERATION‹ 3.5.2 TRANSFER BACK TO UTILITY POWER SOURCE ‹ 3.5.1 TRANSFER TO GENERATOR POWER SOURCEFigure 3.3 - Low Oil Pressure and High Temperature Switches 3.6 SETTING THE EXERCISE TIMER3.7 PROTECTION SYSTEMS Low Oil Switch4.3 CHANGING THE ENGINE OIL 4.1 FUSE4.2 CHECKING THE ENGINE OIL LEVEL Oil Dipstick and FillOil Drain Hose Oil Filter 4.5 CHANGING THE ENGINE AIR CLEANER4.4 CHANGING THE OIL FILTER Figure 4.6 - 7 kW, Engine Air Cleaner LocationFigure 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 The maximum ambient temperature for the generator is 48.9 C 104 F4.11 CORROSION PROTECTION 4.12 OUT OF SERVICE PROCEDURE4.10 ATTENTION AFTER SUBMERSION ‹ 4.12.2 RETURN TO SERVICE4.13 SERVICE SCHEDULE CAUSE 5.1 TROUBLESHOOTING GUIDEPROBLEM CORRECTIONSection 6 - Electrical Data 24 Generac Power Systems, IncENGINE WIRING CONTROL PANEL BOX Generac Power Systems, IncSection 6 - Electrical Data CUSTOMERSection 6 - Electrical Data Electrical Schematic - 12 & 15 kW - Drawing No. 0D8501-B26 Generac Power Systems, Inc Generac Air-cooled 7 kW, 12 kW and 15 kW GeneratorsSection 6 - Electrical Data Electrical Schematic - 12 & 15 kW - Drawing No. 0D8501-BGenerac Power Systems, Inc Generac Air-cooled 7 kW, 12 kW and 15 kW GeneratorsSection 6 - Electrical Data 28 Generac Power Systems, IncENGINE WIRING CONTROL PANEL BOX Generac Power Systems, IncSection 6 - Electrical Data CUSTOMERSection 6 - Electrical Data Electrical Schematic - 7 kW - Drawing No. 0D9014-C30 Generac Power Systems, Inc Generac Air-cooled 7 kW, 12 kW and 15 kW GeneratorsSection 6 - Electrical Data Electrical Schematic - 7 kW - Drawing No. 0D9014-CGenerac Power Systems, Inc Generac Air-cooled 7 kW, 12 kW and 15 kW GeneratorsSection 7 - Exploded Views and Parts Lists 32 Generac Power Systems, IncPART NO. QTY. DESCRIPTION Section 7 - Exploded Views and Parts ListsPART NO. QTY. DESCRIPTION Generac Air-cooled 7 kW, 12 kW and 15 kW Generators Section 7 - Exploded Views and Parts Lists34 Generac Power Systems, Inc Control Panel - Drawing No. 0E7974-GDESCRIPTION Section 7 - Exploded Views and Parts ListsPART NO. QTY PART NO. QTY1310 and Parts Lists36 Generac Power 16B 16ADESCRIPTION Section 7 - Exploded Views and Parts ListsPART NO. QTY PART NO. QTYSection 7 - Exploded Views and Parts Lists 38 Generac Power Systems, IncITEM 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 1.8 FT Section 7 - Exploded Views and Parts ListsDESCRIPTION 1.25 FTGenerac Air-cooled 7 kW, 12 kW and 15 kW Generators Section 7 - Exploded Views and Parts Lists42 Generac Power Systems, Inc 12 kW and 15 kW Generator - Drawing No. 0D3417-J2.6 FT Section 7 - Exploded Views and Parts ListsDESCRIPTION 3 FTSection 7 - Exploded Views and Parts Lists 44 Generac Power Systems, IncSection 7 - Exploded Views and Parts Lists DESCRIPTIONGenerac Air-cooled 7 kW, 12 kW and 15 kW Generators Section 7 - Exploded Views and Parts Lists46 Generac Power Systems, Inc GN410 Engine - Drawing No. 0E9180-B PartSection 7 - Exploded Views and Parts Lists DESCRIPTIONSection 7 - Exploded Views and Parts Lists 48 Generac Power Systems, IncSection 7 - Exploded Views and Parts Lists DESCRIPTIONALL DIMENSIONS IN MILLIMETERS INCHES Dimensions50 Generac Power Systems, Inc Section 8 - MountingGenerac Air-cooled 7 kW, 12 kW and 15 kW Generators Generac Power Systems, IncSection 9 - Notes MANUFACTURER’S EMISSION CONTROL SYSTEM WARRANTY COVERAGE CALIFORNIA EMISSION CONTROL WARRANTY STATEMENTYOUR WARRANTY RIGHTS AND OBLIGATIONS PURCHASER’S/OWNER’S WARRANTY RESPONSIBILITIESEMISSION RELATED PARTS INCLUDE THE FOLLOWING EMISSION CONTROL SYSTEM WARRANTYSection 10 - Warranty Section 10 - Warranty GENERAC POWER SYSTEMS STANDARD TWO-YEAR LIMITED WARRANTYFOR GENERAC RESIDENTIAL AND LIGHT COMMERCIAL UNITS WARRANTY SCHEDULE