Generac Power Systems 04389-2, 04456-2, 04390-2 instruction

Installation and

Owner’s Manual

Air-cooled, Prepackaged

Automatic Standby Generators

Models:

04389-2 (6 kW NG, 7 kW LP)

04456-2 (12 kW NG, 12 kW LP)

04390-2 (13 kW NG, 15 kW LP)

GENERAC R

POWER SYSTEMS,

*This manual should remain with the unit.

!	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 Power Systems 04389-2, 04456-2, 04390-2 owner manual Installation

Contents

Installation Authorized Dealer Location Introduction Maintenance Post Installation Start-up AdjustmentsTroubleshooting Introduction Inside Front Cover General Hazards ‹ Standards Index Electrical Hazards Protection Systems UNPACKING/INSPECTIONBreaker for Bedrooms 7 kW, Single Cylinder GH-410 Engine Generator ‹ 1.5.1 Generator Specifications‹ 1.5.2 Engine System SET LED Reconfiguring the Fuel SystemFuel Requirements Recommendations Fuel Consumption Location Transfer Switch2 12KW and 15KW, 990CC Engines Generator Battery Battery Installation Before Initial START-UP Check Transfer Switch OperationElectrical Checks Checking Automatic Operation Generator Tests Under Load Adjustment Screw Adjusting the Regulator Natural GAS only Voltage Regulator Adjustment Engine Governor Adjustment1 7 KW Units 2 12 KW and 15 KW Units Automatic Transfer Operation BREAK-IN Procedure‹ 3.2.1 Auto Position ‹ 3.2.2 OFF Position Sequence of Automatic Operation Manual Transfer Operation ‹ 3.5.2 Transfer Back to Utility Power Source Setting the Exercise Timer‹ 3.7.1 LOW OIL Pressure Switch ‹ 3.7.2 High Temperature Switch Approximate Crank Cycle Times Checking the Engine OIL Level‹ 3.7.4 Overspeed Changing the Engine OIL ‹ 4.3.2 OIL Change ProcedureChanging the OIL Filter ‹ 4.3.1 Engine OIL Recommendations Spark Plugs Battery Maintenance Cooling System Adjusting GH-410/GT-990 Valve Clearance ‹ 4.12.1 Removal from Service OUT of Service Procedure‹ 4.12.2 Return to Service Corrosion Protection Be performed by the nearest Guardian Authorized Dealer Service Schedule Problem Cause Correction Troubleshooting Guide Electrical Data Customer Battery Utility Battery Charger Utility Connection BCR SW1 Exploded Views and Parts Lists QTY Description Exploded Views and Parts Lists Circuit Breaker 40A X 2P Exploded Views and Parts Lists BOX GTS Load Center Exploded Views and Parts Lists COVER, 12 Position GTS Load Center 140 Sleeve Exploded Views and Parts Lists KNOB, AIR Cleaner 28 31 ADAPTOR, Engine Exploded Views and Parts Lists Stator 12KW Exploded Views and Parts Lists PIN, Piston D20 Exploded Views and Parts Lists SCREW, Taptite M6-1.0X8 Yellow Chrome Engine only Mounting Dimensions Guardian Air-cooled 7 kW, 12 kW and 15 kW Generators Guardian Air-cooled 7 kW, 12 kW and 15 kW Generators MANUFACTURER’S Emission Control System Warranty Coverage Your Warranty Rights and ObligationsPURCHASER’S/OWNER’S Warranty Responsibilities Emission Related Parts Include the Following Emission Control System Warranty Warranty Schedule