DEADLY EXHAUST FUMES. OUTDOOR INSTALLATION ONLY
This manual should remain with the unit
Not intended for use as Primary Power in place of utility or
POWER SYSTEMS
CONTENTS
OPERATION AND MAINTENANCE
HOW TO OBTAIN SERVICE
INTRODUCTION
Safety Rules
Table of Contents
GENERAL HAZARDS
DANGER
Despite the safe design of this generator
Parts of the generator are rotating and/or hot
ELECTRICAL HAZARDS
FIRE HAZARDS
EXPLOSION HAZARDS
STANDARDS INDEX
1.3.1 SECTION 210.12 ARC FAULT CIRCUIT INTERRUPTER PROTECTION
1.1 UNPACKING/INSPECTION
1.2 PROTECTION SYSTEMS
BREAKER FOR BEDROOMS
1.4 THE GENERATOR
Figure 1.1 - 7 kW, Single Cylinder GH-410 Engine
Figure 1.2 - 12 kW and 15 kW, V-twin GT-990 Engine
1.5 SPECIFICATIONS
1.5.1 GENERATOR
1.5.2 ENGINE
Section 1 - General Information
1.9 RECONFIGURING THE FUEL SYSTEM
1.6 SYSTEM SET LED
1.7 FUEL REQUIREMENTS AND RECOMMENDATIONS
1.8 FUEL CONSUMPTION
1.10.2 TRANSFER SWITCH 1.10.2.1 7 kW, 12 kW and 15 kW Units
1.10 LOCATION
1.9.2 12KW AND 15KW, 990CC ENGINES
1.10.1 GENERATOR
1.11 BATTERY INSTALLATION
1.12 THE BATTERY
Figure 1.5 - Battery Cable Connections
Use tools with insulated handles Wear rubber gloves and boots
2.2 CHECK TRANSFER SWITCH OPERATION
2.1 BEFORE INITIAL START-UP
2.3 ELECTRICAL CHECKS
Do not open or mutilate the battery. Released
2.4 GENERATOR TESTS UNDER LOAD
2.5 CHECKING AUTOMATIC OPERATION
DANGER
2.6 ADJUSTING THE REGULATOR NATURAL GAS ONLY
Figure 2.2 - Placement of Regulator
Figure 2.1 - Dual Fuel Regulators
Do not make any unnecessary adjustments
2.7 ENGINE GOVERNOR ADJUSTMENT
2.8 VOLTAGE REGULATOR ADJUSTMENT
Figure 2.3 - Engine Governor Adjustment
Figure 2.4 - Full Load Speed Adjust Screw
3.1 BREAK-IN PROCEDURE
3.2 USING THE AUTO/OFF/MANUAL SWITCH FIGURE
3.3 AUTOMATIC TRANSFER OPERATION
3.2.1 “AUTO” POSITION
Figure 3.2 - Manual Transfer Switch Operation
3.5.1 TRANSFER TO GENERATOR POWER SOURCE
3.5 MANUAL TRANSFER OPERATION
3.4 SEQUENCE OF AUTOMATIC OPERATION
3.6 SETTING THE EXERCISE TIMER
3.5.2 TRANSFER BACK TO UTILITY POWER SOURCE
3.7.1 LOW OIL PRESSURE SWITCH
3.7.2 HIGH TEMPERATURE SWITCH
4.2 CHECKING THE ENGINE OIL LEVEL
3.7.3.1 Approximate Crank Cycle Times
3.7.4 OVERSPEED
Figure 4.2 - Oil Dipstick and Fill, 7 kW
4.5 CHANGING THE ENGINE AIR CLEANER
4.3.2 OIL CHANGE PROCEDURE
Figure 4.6 - 7 kW, Engine Air Cleaner Location
4.3 CHANGING THE ENGINE OIL
4.7 BATTERY MAINTENANCE
Figure 4.7 - 12 kW and 15 kW Engine Air Cleaner
Figure 4.8 - Setting the Spark Plug Gap
4.6 SPARK PLUGS
4.8 ADJUSTING GH-410/GT-990 VALVE CLEARANCE
Figure 4.10 - Valve Clearance Adjustment
4.9 COOLING SYSTEM
Figure 4.9 - Cooling Vent Locations
4.12 OUT OF SERVICE PROCEDURE
4.12.1 REMOVAL FROM SERVICE
4.12.2 RETURN TO SERVICE
4.10 ATTENTION AFTER SUBMERSION
4.13 SERVICE SCHEDULE
ATTENTION It is recommended that all service work
be performed by the nearest Guardian Authorized Dealer
5.1 TROUBLESHOOTING GUIDE
PROBLEM
CAUSE
CORRECTION
24 Generac Power Systems, Inc
ENGINE WIRING
Section 6 - Electrical Data
Generac Power Systems, Inc
Section 6 - Electrical Data
CONTROL PANEL BOX
CUSTOMER
Electrical Schematic - 12 & 15 kW - Drawing No. 0D8501-B
26 Generac Power Systems, Inc
Section 6 - Electrical Data
Guardian Air-cooled 7 kW, 12 kW and 15 kW Generators
Electrical Schematic - 12 & 15 kW - Drawing No. 0D8501-B
Generac Power Systems, Inc
Section 6 - Electrical Data
Guardian Air-cooled 7 kW, 12 kW and 15 kW Generators
28 Generac Power Systems, Inc
ENGINE WIRING
Section 6 - Electrical Data
Generac Power Systems, Inc
Section 6 - Electrical Data
CONTROL PANEL BOX
CUSTOMER
Electrical Schematic - 7 kW - Drawing No. 0D9014-C
30 Generac Power Systems, Inc
Section 6 - Electrical Data
Guardian Air-cooled 7 kW, 12 kW and 15 kW Generators
Electrical Schematic - 7 kW - Drawing No. 0D9014-C
Generac Power Systems, Inc
Section 6 - Electrical Data
Guardian Air-cooled 7 kW, 12 kW and 15 kW Generators
Section 7 - Exploded Views and Parts Lists
32 Generac Power Systems, Inc
9115
Section 7 - Exploded Views and Parts Lists
DESCRIPTION
DESCRIPTION
Section 7 - Exploded Views and Parts Lists
34 Generac Power Systems, Inc
Guardian Air-cooled 7 kW, 12 kW and 15 kW Generators
Control Panel - Drawing No. 0E7974-B
Section 7 - Exploded Views and Parts Lists
HARNESS, CONTROL PANEL WIRE NOT
ASSEMBLY, BATTERY CHARGER ENGINE
ASSEMBLY, ROOF/DOOR GROUND WIRE
Section 7 - Exploded Views and Parts Lists
36 Generac Power Systems, Inc
Section 7 - Exploded Views and Parts Lists
DESCRIPTION
Section 7 - Exploded Views and Parts Lists
12 kW and 15 kW GTS Load Center Assembly - Drawing No. 0E7973-B
38 Generac Power Systems, Inc
Guardian Air-cooled 7 kW, 12 kW and 15 kW Generators
Section 7 - Exploded Views and Parts Lists
DESCRIPTION
Section 7 - Exploded Views and Parts Lists
40 Generac Power Systems, Inc
5, 19, 20, 39, 40
32, 33, 34
Section 7 - Exploded Views and Parts Lists
ASSEMBLY, DIPSTICK WITH HANDLE
ASSEMBLY, HOUSING COVER WITH
ASSEMBLY, CRANKCASE HOUSING WITH
42 Generac Power Systems, Inc
Section 7 - Exploded Views and Parts Lists
DESCRIPTION
DESCRIPTION
Section 7 - Exploded Views and Parts Lists
44 Generac Power Systems, Inc
Guardian Air-cooled 7 kW, 12 kW and 15 kW Generators
7 kW Generator - Drawing No. 0D3504-C
Section 7 - Exploded Views and Parts Lists
DESCRIPTION
1.8 FT
1.25 FT
Section 7 - Exploded Views and Parts Lists
46 Generac Power Systems, Inc
Guardian Air-cooled 7 kW, 12 kW and 15 kW Generators
12 kW and 15 kW Generator - Drawing No. 0D3417-H
Section 7 - Exploded Views and Parts Lists
DESCRIPTION
2.6 FT
3 FT
Section 7 - Exploded Views and Parts Lists
48 Generac Power Systems, Inc
Section 7 - Exploded Views and Parts Lists
DESCRIPTION
Section 7 - Exploded Views and Parts Lists
50 Generac Power Systems, Inc
Section 7 - Exploded Views and Parts Lists
DESCRIPTION
Section 7 - Exploded Views and Parts Lists
PART NO. QTY
DESCRIPTION
PART NO. QTY
Section 8 - Mounting Dimensions
Generac Power Systems, Inc
ALL DIMENSIONS IN MILLIMETERS INCHES
cooled 7 kW, 12 kW and 15 kW Generators Drawing No. 0D3739-B
54 Generac Power Systems, Inc
Guardian Air-cooled 7 kW, 12 kW and 15 kW Generators
Generac Power Systems, Inc
Guardian Air-cooled 7 kW, 12 kW and 15 kW Generators
YOUR WARRANTY RIGHTS AND OBLIGATIONS
MANUFACTURER’S EMISSION CONTROL SYSTEM WARRANTY COVERAGE
PURCHASER’S/OWNER’S WARRANTY RESPONSIBILITIES
CALIFORNIA EMISSION CONTROL WARRANTY STATEMENT
EMISSION CONTROL SYSTEM WARRANTY
EMISSION RELATED PARTS INCLUDE THE FOLLOWING
Section 10 - Warranty
GENERAC POWER SYSTEMS “TWO YEAR” LIMITED WARRANTY FOR GUARDIAN
“PREPACKAGED EMERGENCY AUTOMATIC STANDBY GENERATORS”
Section 10 - Warranty
WARRANTY SCHEDULE