Manuals / Generac / Lawn and Garden / Portable Generator

Generac 04389-1, 04456-1, 04390-1 owner manual Power Systems, Inc, Danger, Air-cooled,Prepackaged

Models: 04389-1, 04456-1, 04390-1

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POWER SYSTEMS, INC.

Installation and

Owner’s Manual

Air-cooled, Prepackaged

Automatic Standby Generators

Models:

04389-1 (6 kW NG, 7 kW LP)

04456-1 (12 kW NG, 12 kW LP)04390-1 (13 kW NG, 15 kW LP)GENERAC RPOWER SYSTEMS,

!	Not intended for use as Primary Power in place of utility or in	!
	life-support applications.

DANGER

DEADLY EXHAUST FUMES. OUTDOOR INSTALLATION ONLY!!

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Generac 04389-1, 04456-1, 04390-1 owner manual Power Systems, Inc, Danger, Air-cooled,Prepackaged, Generac R

Contents

DEADLY EXHAUST FUMES. OUTDOOR INSTALLATION ONLY POWER SYSTEMS, INCPOWER SYSTEMS DANGERAUTHORIZED DEALER LOCATION INTRODUCTIONDANGER ‹CONTENTSIntroduction DANGER GENERAL HAZARDSDespite the safe design of this generator Parts of the generator are rotating and/or hotFIRE HAZARDS ELECTRICAL HAZARDSEXPLOSION HAZARDS ‹STANDARDS INDEX1.2PROTECTION SYSTEMS 1.1UNPACKING/INSPECTION1.3SYSTEM SET LED DANGERFigure 1.1 - 7 kW, Single Cylinder GH-410Engine 1.4YOUR GENERATORFigure 1.2 - 12 kW and 15 kW, V-twin GT-990Engine ‹ 1.5.1 GENERATOR 1.5 SPECIFICATIONS‹1.5.2 ENGINE Section 1 - General Information1.6FUEL REQUIREMENTS AND RECOMMENDATIONS 1.8RECONFIGURING THE FUEL SYSTEM1.7FUEL CONSUMPTION DANGER1.9LOCATION 1.10 BATTERY INSTALLATION1.9.2 TRANSFER SWITCH 1.9.1 GENERATORFigure 1.5 - Battery Cable Connections 1.11 THE BATTERYWear rubber gloves and boots Do not open or mutilate the battery. Released2.1BEFORE INITIAL START-UP 2.2CHECK TRANSFER SWITCH OPERATION2.3ELECTRICAL CHECKS DANGER2.4GENERATOR TESTS UNDER LOAD 2.6ADJUSTING THE REGULATOR NATURAL GAS ONLY2.5CHECKING AUTOMATIC OPERATION Figure 2.2 - Placement of Regulator 2.7ENGINE GOVERNOR ADJUSTMENTFigure 2.3 - Engine Governor Adjustment Do not make any unnecessary adjustments3.1BREAK-INPROCEDURE 2.8VOLTAGE REGULATOR ADJUSTMENTFigure 2.4 - Full Load Speed Adjust Screw Figure 2.5 - Voltage Adjustment Potentiometer3.2USING THE AUTO/OFF/MANUAL SWITCH FIGURE 3.3AUTOMATIC TRANSFER OPERATIONWith the switch set to AUTO, the engine may 3.4SEQUENCE OF AUTOMATIC OPERATION3.5MANUAL TRANSFER OPERATION 3.6SETTING THE EXERCISE TIMER‹3.5.2 TRANSFER BACK TO UTILITY POWER SOURCE Figure 3.2 - Manual Transfer Switch Operation4.1FUSE 3.7PROTECTION SYSTEMS‹3.7.1 LOW OIL PRESSURE SWITCH ‹3.7.2 HIGH TEMPERATURE SWITCH4.3CHANGING THE ENGINE OIL 4.2CHECKING THE ENGINE OIL LEVEL‹ 4.3.2 OIL CHANGE PROCEDURE ‹4.3.1 ENGINE OIL RECOMMENDATIONS4.4CHANGING THE OIL FILTER 4.5CHANGING THE ENGINE AIR CLEANER4.6SPARK PLUGS Figure 4.6 - 7 kW, Engine Air Cleaner Location4.8ADJUSTING GH-410/GT-990VALVE CLEARANCE 4.7BATTERY MAINTENANCEFigure 4.8 - Setting the Spark Plug Gap Wear rubber gloves and boots4.10 ATTENTION AFTER SUBMERSION 4.9COOLING SYSTEM4.11 CORROSION PROTECTION Figure 4.10 - Valve Clearance Adjustment‹4.12.1 REMOVAL FROM SERVICE 4.12 OUT OF SERVICE PROCEDURE‹4.12.2 RETURN TO SERVICE 4.13 SERVICE SCHEDULE PROBLEM 5.1TROUBLESHOOTING GUIDECAUSE CORRECTIONSection 6 - Electrical Data 24 Generac Power Systems, IncSection 6 - Electrical Data Generac Power Systems, IncCONTROL PANEL BOX CUSTOMERSection 6 - Electrical Data 26 Generac Power Systems, IncSection 6 - Electrical Data Generac Power Systems, IncC2-6 28 Generac Power Systems, Inc Wiring Diagram - 7 kW - Drawing No. 0D9013-ASection 6 - Electrical Data Section 6 - Electrical Data Generac Power Systems, IncCONTROL PANEL BOX CUSTOMER CONNECTION30 Generac Power Systems, Inc Section 6 - Electrical Data Generac Power Systems, IncC2-6 32 Generac Power Systems, Inc Section 7 - Exploded Views and Parts ListsGenerac Power Systems, Inc Section 7 - Exploded Views and Parts ListsPART NO.QTY. DESCRIPTION PART NO.QTY. DESCRIPTIONControl Panel - Drawing No. 0D8503-E Section 7 - Exploded Views and Parts ListsDESCRIPTION Section 7 - Exploded Views and Parts ListsDESCRIPTION Section 7 - Exploded Views and Parts Lists DESCRIPTION Section 7 - Exploded Views and Parts Lists0D4801 37 17 24 Section 7 - Exploded Views and Parts ListsDESCRIPTION Section 7 - Exploded Views and Parts Lists0D3086 Kit Contains DESCRIPTION Section 7 - Exploded Views and Parts ListsDESCRIPTION 42 Generac Power Systems, Inc DESCRIPTION Section 7 - Exploded Views and Parts ListsDESCRIPTION 44 Generac Power Systems, Inc Section 7 - Exploded Views and Parts ListsDESCRIPTION Section 7 - Exploded Views and Parts Lists7 kW Generator - Drawing No. 0D3504-B 46 Generac Power Systems, Inc Section 7 - Exploded Views and Parts ListsDESCRIPTION Section 7 - Exploded Views and Parts Lists12 kW and 15 kW Generator - Drawing No. 0D3417-B 48 Generac Power Systems, Inc DESCRIPTION Section 7 - Exploded Views and Parts ListsGN410 Engine - Drawing No. 0D3539-BPart 50 Generac Power Systems, Inc Section 7 - Exploded Views and Parts ListsGN410 Engine - Drawing No. 0D3539-BPart DESCRIPTION Section 7 - Exploded Views and Parts Lists0C1069 PART NO. QTY Section 7 - Exploded Views and Parts ListsDESCRIPTION PART NO. QTYGenerac Power Systems, Inc Section 8 - Mounting DimensionsTRANSFER SWITCH Guardian Air54 Generac Power Systems, Inc Generac Power Systems, Inc YOUR WARRANTY RIGHTS AND OBLIGATIONS CALIFORNIA EMISSION CONTROL WARRANTY STATEMENTPURCHASER’S/OWNER’S WARRANTY RESPONSIBILITIES Section 10 - WarrantySection 10 - Warranty EMISSION CONTROL SYSTEM WARRANTYEMISSION RELATED PARTS INCLUDE THE FOLLOWING Section 10 - Warranty WARRANTY SCHEDULEGENERAC POWER SYSTEMS, INC P.O. BOX WHITEWATER, WI