Generac 04758-1, 04759-1, 04760-1, 04758-1,04759-1,04760-1 owner manual Customer

Page 27

Section 6 — Electrical Data

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

225	224A
224	225A

TX

N1	N2
13A		66
0
225B		225B
224B		224B
		14
0
		11
225	13A	22
		22

4

0

6

224

162

VOLTAGE

REGULATOR

0

0

0

66A

N2

N1

13 13

225

13

351

224

CONTROL PANEL BOX

224A

		225A
						CLOSEST TO BEARING
BCR
1	3		CB2				4
1	3						4
4	6						0
							0
7	9
A	B	77	162
A	B	77	2
			2
				4	10
		0			9	2
					9	6	11
		66				6	11
				2	8
			4	6			55
							22
			0	11	6		66A
		11		22	5		77
				66			66
		22		0			11
		4		0	3		11
		4			3
		0		77	2
			6	77	2
			6		1		44
							44
		162
		162		55	C2
				55	C2
			66A

								33
4
55								22
								22

GRD

194

23

STATOR

4			N2
23		N1
	13	351		44
		351		44
13				11
13
	13A		351
			351
194	15A
194								22
	13							22
	13							33
		0
66A	13
	13
	F2	F1
239	F2	F1		CB1
239
15A		17	0
15A		17	0				OFF
17		13	239
15		17	239
		17

0		SW1
225		SW1
225		15						NEUTRAL
224		15	1a
224			1a
			1
			1b					CONNECTION
		AUTO	SW2	240V GENERATOR				CONNECTION
			SW2	240V GENERATOR
				OUTPUT TO TRANSFER
				SWITCH CONTACTOR
			CUSTOMER
		MANUAL	CONNECTION

23 N2

194 N1

12Vdc TRANSFER RELAY COIL

240VAC UTILITY INPUT

25

Image 27

Contents Installation Introduction Introduction Inside Front Cover Post Installation Start-up AdjustmentsMaintenance TroubleshootingGeneral Hazards ‹ Standards Index Electrical HazardsUNPACKING/INSPECTION Protection SystemsSystem SET LED 7 kW, Single Cylinder GH-410 Engine GeneratorSpecifications ‹ 1.5.1 Generator‹ 1.5.2 Engine 1 7 KW, 410CC Reconfiguring the Fuel SystemFuel Requirements Recommendations Fuel Consumption2.1 7 kW, 12 kW and 15 kW Units Transfer SwitchLocation GeneratorBattery Battery InstallationCheck Transfer Switch Operation Before Initial START-UPElectrical Checks Checking Automatic Operation Generator Tests Under LoadAdjusting the Regulator Natural GAS only Engine Governor Adjustment1 7 KW Units Voltage Regulator Adjustment BREAK-IN Procedure2 12 KW and 15 KW Units ‹ 3.2.2 OFF Position Automatic Transfer OperationSequence of Automatic Operation ‹ 3.2.1 Auto PositionManual Transfer Operation ‹ 3.5.2 Transfer Back to Utility Power Source‹ 3.7.3 Overcrank Setting the Exercise Timer‹ 3.7.1 LOW OIL Pressure Switch ‹ 3.7.2 High Temperature SwitchChecking the Engine OIL Level Changing the Engine OIL‹ 4.3.1 Engine OIL Recommendations ‹ 4.3.2 OIL Change Procedure Changing the OIL Filter‹ 4.5.1 7 KW, 12 KW and 15 KW Generators Spark Plugs Battery MaintenanceCooling System Adjusting Valve ClearanceCorrosion Protection OUT of Service Procedure‹ 4.12.2 Return to Service ‹ 4.12.1 Removal from ServiceSYSTEM/COMPONENT Procedure Frequency Service ScheduleProblem Cause Correction Troubleshooting GuideElectrical 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 This Warranty Shall not Apply to the Following Warranty Schedule