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Generac Power Systems 5254, 5252 Engine And Alternator, Electrical Data, Air-cooled Generators

Models: 5253 5255 5251 5254 5252

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Section 8 — Electrical Data

Air-cooled Generators

Electrical Schematic – 7kW, Single Cylinder – Drawing No. 0F7821

ENGINE AND

ALTERNATOR

18	18	IM
86		SP
86
85
HTO	LOP

0	0	66	77	6	2
4					4
13					13
6
2
56					56
14
					FS
0	0				0
0					0
0					0
11					11
22					22

0
23
194
225B
224B				0
224B
	7	7	9	9
				BCR
	1	6	3	4
66	77	77		66
	224A	225A
				14

224A

225A

224

SC

16

SCSM

0

22

33

11

44

11 44

22

33

CB

NEUTRAL

240VAC GENERATOR OUTPUT TO

TRANSFER SWITCH CONTACTOR

DIAGRAM KEY

4

RED

BATTERY 12V

0

0

194 23

12Vdc

TRANSFER

RELAY

COIL

BATTERY

CHARGE

WINDING

66

77	STATOR
6	STATOR
6
2
DPE
WINDING
POWER		POWER
WINDING	22	44 WINDING
11	33
BA

FIELD

0

0

11

22

33

44

N2 N1

240VAC

UTILITY

INPUT

	14			BA - BRUSH ASSEMBLY
	225	225A	N2	BCR - BATTERY CHARGE RELAY
	225	225A	N2	CB - CIRCUIT BREAKER, MAIN OUTPUT
				CB - CIRCUIT BREAKER, MAIN OUTPUT
		56VA		FS - FUEL SOLENOID
		224A		F1 - FUSE 15 AMP
		224A	TX	HTO - HIGH OIL TEMPERATURE SWITCH
		225	TX	IM - IGNITION MODULE
		225		IM - IGNITION MODULE
		1VA
		224	N1

LOP - LOW OIL PRESSURE SWITCH SC - STARTER CONTACTER

SM - STARTER MOTOR SP - SPARK PLUG

SW1 - SWITCH, AUTO / OFF / MANUAL DPDT, ON-OFF-ON

SW2 - SWITCH, SET EXERCISE SPST, N.C., ON-(OFF)

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

39

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Generac Power Systems 5254, 5252, 5251, 5255, 5253 owner manual Engine And Alternator, Electrical Data, Air-cooled Generators

Contents

DEADLY EXHAUST FUMES. OUTDOOR INSTALLATION ONLY Installation and Owner’s ManualNot intended for use as Primary Power in place of utility or in C US LISTED‹ OPERATION AND MAINTENANCE ‹ CONTENTS‹ HOW TO OBTAIN SERVICE INTRODUCTIONand Adjustments Section 2 - Post Installation Start-upSection 4 - Maintenance Section 5 - Troubleshooting GENERAL HAZARDS  IMPORTANT SAFETY INSTRUCTIONSThis product contains or emits chemicals known to the state of California to cause FIRE HAZARDS   ELECTRICAL HAZARDS  EXPLOSION HAZARDS  ‹ STANDARDS INDEX‹ 1.3.1 SECTION 210.12 ARC FAULT CIRCUIT INTERRUPTER PROTECTION 1.3 NEC REQUIREMENT FOR ARC FAULT CIRCUIT INTERRUPTION1.1 UNPACKING/INSPECTION 1.2 PROTECTION SYSTEMSFigure 1.1 - 7kW, Single Cylinder GH-410 Engine 1.4 THE GENERATORFigure 1.3 - 13kW and 16kW, V-twin GT-990 Engine Figure 1.2 - 10kW, V-twin GT-530 Engine‹ 1.5.1 GENERATOR 1.5 SPECIFICATIONS‹ 1.5.2 ENGINE Section 1 - General Information1.7 FUEL REQUIREMENTS AND RECOMMENDATIONS 1.6 SYSTEM SET LED1.8 FUEL CONSUMPTION DANGER‹ 1.9.1 7 KW, 410CC ENGINE 1.9 RECONFIGURING THE FUEL SYSTEM‹ 1.9.2 10, 13 AND 16KW, V-TWIN ENGINES Figure 1.4 - Demand Regulator‹ 1.10.1 GENERATOR 1.10 LOCATIONFigure 1.5 - 10kW, GT-530 Inlet Hose Slid Back Figure 1.6 - 10kW, GT-530 Inlet Hose Slid Back1.12 BATTERY INSTALLATION 1.11 BATTERY REQUIREMENTS‹ 1.10.2 TRANSFER SWITCH 1.10.2.1 7, 10, 13, and 16 kW Units if equippedFigure 1.10 - Battery Cable Connections 1.13 THE BATTERYDANGER Section 1 - General InformationSection 2 - Post Installation Start-up and Adjustments 2.2 CHECK TRANSFER SWITCH OPERATION2.1 BEFORE INITIAL START-UP 2.3 ELECTRICAL CHECKS2.4 GENERATOR TESTS UNDER LOAD 2.6 ADJUSTING THE FUEL REGULATOR2.5 CHECKING AUTOMATIC OPERATION 7KW NATURAL GAS ONLYFigure 2.2 - Engine Governor Adjustment Single Cylinder Engines 2.7 ENGINE GOVERNOR ADJUSTMENT‹ 2.7.1 7 KW UNITS Figure 2.1 - 7kW Fuel RegulatorFigure 2.3 - Voltage Adjustment Potentiometer 2.8 VOLTAGE REGULATOR ADJUSTMENTTurn to adjust voltage ‹ 2.7.2 13 KW AND 16 KW UNITS3.2 AUTOMATIC TRANSFER OPERATION ‹ 3.4.1 TRANSFER TO GENERATOR POWER SOURCE3.3 SEQUENCE OF AUTOMATIC OPERATION 3.4 MANUAL TRANSFER OPERATION‹ 3.4.2 TRANSFER BACK TO UTILITY POWER SOURCE 3.5 SETTING THE EXERCISE TIMERFigure 3.2 - Manual Transfer Switch Operation DANGER‹ 3.6.2 HIGH TEMPERATURE SWITCH ‹ 3.6.1 LOW OIL PRESSURE SWITCHHigh Temperature Switches Low Oil SwitchSection 4 - Maintenance ‹ 3.6.6 LOW BATTERY4.2 CHECKING THE ENGINE OIL LEVEL 4.1 FUSES4.3 CHANGING THE ENGINE OIL ‹ 4.3.3 OIL & OIL FILTER CHANGE PROCEDURE‹ 4.3.1 OIL CHANGE INTERVALS ‹ 4.3.2 ENGINE OIL RECOMMENDATIONSFigure 4.7 - 10kW Engine Air Cleaner 4.4 CHANGING THE ENGINE AIR CLEANERFigure 4.6 - 7 kW, Engine Air Cleaner Location Air Cleaner4.7 ADJUSTING GH-410/GT-530/990 VALVE CLEARANCE 4.6 BATTERY MAINTENANCEFigure 4.9 - Setting the Spark Plug Gap Section 4 - Maintenance4.8 COOLING SYSTEM Figure 4.10 - Valve Clearance Adjustment4.9 ATTENTION AFTER SUBMERSION Figure 4.11 - Cooling Vent Locations‹ 4.11.2 RETURN TO SERVICE 4.11 OUT OF SERVICE PROCEDURE‹ 4.11.1 REMOVAL FROM SERVICE 4.10 CORROSION PROTECTIONATTENTION It is recommended that all service work 4.12 SERVICE SCHEDULESection 4 - Maintenance be performed by the nearest Authorized DealerProblem 5.1 TROUBLESHOOTING GUIDESection 5 - Troubleshooting CauseAir-cooled Generators Section 6 - NotesAir-cooled Generators Section 6 - NotesAir-cooled Generators Section 6 - NotesAir-cooled Generators Drawing No. 0F9424 Section 7 - Mounting DimensionsTS-TERMINAL STRIP XA,XB-LIMIT SWITCHES Section 8 - Electrical DataATS-AUTOMATIC TRANSFER SWITCH C1-UTILITY COIL & RECTIFIER C2-GENERATOR COIL & RECTIFIERENGINE WIRING Wiring Diagram - 10, 13 & 16kW, V-Twin - Drawing No. 0F7822Section 8 - Electrical Data Air-cooled GeneratorsCONTROL PANEL BOX Section 8 - Electrical DataCUSTOMER CONNECTION CLOSEST TO BEARINGSection 8 - Electrical Data Electrical Schematic - 10, 13 & 16kW, V-Twin - Drawing No. 0F7823Air-cooled Generators ELECTRONICSection 8 - Electrical Data ENGINE AND ALTERNATORENGINE WIRING Wiring Diagram - 7kW, Single Cylinder - Drawing No. 0F7820Section 8 - Electrical Data Air-cooled GeneratorsSection 8 - Electrical Data Wiring Diagram - 7kW, Single Cylinder - Drawing No. 0F7820Air-cooled Generators CONTROL PANEL BOXAir-cooled Generators Electrical Schematic - 7kW, Single Cylinder - Drawing No. 0F7821Section 8 - Electrical Data ENGINE AND ALTERNATOR Electrical Schematic - 7kW, Single Cylinder - Drawing No. 0F7821Section 8 - Electrical Data Air-cooled GeneratorsAir-cooled Generators Section 8 - Electrical DataSection 8 - Electrical Data SHEET METAL PAINT/MATERIAL CODE LEGEND Section 9 - Exploded Views and Parts ListsAir-cooled Generators Enclosure - Drawing No. 0F9431-C MaterialSection 9 - Exploded Views and Parts Lists PART NO. QTY. DESCRIPTIONPART NO. QTY. DESCRIPTION Air-cooled GeneratorsAir-cooled Generators Control Panel - Drawing No. 0F9695-C Section 9 - Exploded Views and Parts ListsSection 9 - Exploded Views and Parts Lists DESCRIPTIONASSEMBLY, BATTERY CHARGER ENGINE DESCRIPTIONAir-cooled Generators Transfer Switch Assembly - Drawing No. 0F9774-A Section 9 - Exploded Views and Parts ListsTransfer Switch Assembly - Drawing No. 0F9774-A Section 9 - Exploded Views and Parts ListsPART NO. QTY. DESCRIPTION PART NO. QTY. DESCRIPTION13 & 16kW, GT-990 Engine - Drawing No. 0F9430-E - Part Section 9 - Exploded Views and Parts ListsAir-cooled Generators DESCRIPTION Section 9 - Exploded Views and Parts ListsDESCRIPTION Air-cooled Generators13 & 16kW, GT-990 Engine - Drawing No. 0F9430-E - Part Section 9 - Exploded Views and Parts ListsAir-cooled Generators DESCRIPTION Section 9 - Exploded Views and Parts ListsDESCRIPTION Air-cooled Generators10kW, GT-530 Engine - Drawing No. 0F9429-D - Part Section 9 - Exploded Views and Parts ListsAir-cooled Generators DESCRIPTION Section 9 - Exploded Views and Parts ListsAir-cooled Generators 10kW, GT-530 Engine - Drawing No. 0F9429-D - Part10kW, GT-530 Engine - Drawing No. 0F9429-D - Part Section 9 - Exploded Views and Parts ListsAir-cooled Generators DESCRIPTION Section 9 - Exploded Views and Parts ListsDESCRIPTION Air-cooled GeneratorsAir-cooled Generators 7kW, GN-410 Engine - Drawing No. 0F9428 - Part Section 9 - Exploded Views and Parts ListsDESCRIPTION Section 9 - Exploded Views and Parts ListsAir-cooled Generators 7kW, GN-410 Engine - Drawing No. 0F9428 - PartAir-cooled Generators 7kW, GN-410 Engine - Drawing No. 0F9428 - Part Section 9 - Exploded Views and Parts ListsDESCRIPTION Section 9 - Exploded Views and Parts ListsAir-cooled Generators 7kW, GN-410 Engine - Drawing No. 0F9428 - PartAir-cooled Generators 7kW, GN-410 Engine - Drawing No. 0F9422-B Section 9 - Exploded Views and Parts ListsDESCRIPTION Section 9 - Exploded Views and Parts ListsAir-cooled Generators 7kW, GN-410 Engine - Drawing No. 0F9422-B10, 13, and 16kW, V-twin Generators - Drawing No. 0F9423-C Section 9 - Exploded Views and Parts ListsAir-cooled Generators DESCRIPTION Section 9 - Exploded Views and Parts ListsDESCRIPTION Air-cooled Generators7 & 10kW, GN-410/GT-530 Regulator - Drawing No. 0F9425 Section 9 - Exploded Views and Parts ListsAir-cooled Generators DESCRIPTION Section 9 - Exploded Views and Parts ListsAir-cooled Generators 7 & 10kW, GN-410/GT-530 Regulator - Drawing No. 0F942513 & 16kW, GT-990 Regulator - Drawing No. 0F9426 Section 9 - Exploded Views and Parts ListsAir-cooled Generators DESCRIPTION Section 9 - Exploded Views and Parts ListsAir-cooled Generators 13 & 16kW, GT-990 Regulator - Drawing No. 0F9426MANUFACTURER’S EMISSION CONTROL SYSTEM WARRANTY COVERAGE YOUR WARRANTY RIGHTS AND OBLIGATIONSPURCHASER’S/OWNER’S WARRANTY RESPONSIBILITIES Section 10 - WarrantyEMISSION RELATED PARTS INCLUDE THE FOLLOWING EMISSION CONTROL SYSTEM WARRANTYSection 10 - Warranty Air-cooled GeneratorsHOME STANDBY/LIGHT COMMERCIAL PRODUCT 45kW AND BELOW GENERAC POWER SYSTEMS STANDARD LIMITED WARRANTY FORSection 10 - Warranty WARRANTY SCHEDULE