Generac 04758-1,04759-1,04760-1, 04758-1, 04759-1, 04760-1 owner manual Electrical Data

Page 26

Section 6 — Electrical Data

Guardian 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	BATTERY
		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

Image 26

Contents Installation Introduction Troubleshooting Post Installation Start-up AdjustmentsMaintenance Introduction Inside Front CoverGeneral Hazards Electrical Hazards ‹ Standards IndexSystem SET LED UNPACKING/INSPECTIONProtection Systems Generator 7 kW, Single Cylinder GH-410 Engine‹ 1.5.2 Engine Specifications‹ 1.5.1 Generator Fuel Consumption Reconfiguring the Fuel SystemFuel Requirements Recommendations 1 7 KW, 410CCGenerator Transfer SwitchLocation 2.1 7 kW, 12 kW and 15 kW UnitsBattery Installation BatteryElectrical Checks Check Transfer Switch OperationBefore Initial START-UP Generator Tests Under Load Checking Automatic Operation1 7 KW Units Adjusting the Regulator Natural GAS onlyEngine Governor Adjustment 2 12 KW and 15 KW Units Voltage Regulator AdjustmentBREAK-IN Procedure ‹ 3.2.1 Auto Position Automatic Transfer OperationSequence of Automatic Operation ‹ 3.2.2 OFF Position‹ 3.5.2 Transfer Back to Utility Power Source Manual Transfer Operation‹ 3.7.2 High Temperature Switch Setting the Exercise Timer‹ 3.7.1 LOW OIL Pressure Switch ‹ 3.7.3 Overcrank‹ 4.3.1 Engine OIL Recommendations Checking the Engine OIL LevelChanging the Engine OIL ‹ 4.5.1 7 KW, 12 KW and 15 KW Generators ‹ 4.3.2 OIL Change ProcedureChanging the OIL Filter Battery Maintenance Spark PlugsAdjusting Valve Clearance Cooling System‹ 4.12.1 Removal from Service OUT of Service Procedure‹ 4.12.2 Return to Service Corrosion ProtectionService Schedule SYSTEM/COMPONENT Procedure FrequencyTroubleshooting Guide Problem Cause CorrectionElectrical Data Customer Battery Utility Battery Charger Utility Connection BCR SW1 Exploded Views and Parts Lists Part NO.QTY. Description Exploded Views and Parts Lists Part NO. QTY. Description 140 Part NO. QTY Description 138 122 QTY Description 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 For GT 760 Engine only CASTING, Twin Regulator Housing Mounting Guardian Air-cooled 7 kW, 12 kW and 15 kW Generators California and Federal Emission Control Warranty Statement Emission Control System Warranty Warranty Schedule This Warranty Shall not Apply to the Following