This manual should remain with the unit
SHOULD ATTEMPT INSTALLATION
Owner’s Manual
Liquid-cooled, Prepackaged Standby Generators
INTRODUCTION
AUTHORIZED SERVICE DEALER LOCATION
OPERATION AND MAINTENANCE
HOW TO OBTAIN SERVICE
Guardian Liquid-cooled 25 kW Generator
Table of Contents
Parts of the generator are rotating and/or hot
GENERAL HAZARDS
DANGER
Despite the safe design of this generator
STANDARDS INDEX
ELECTRICAL HAZARDS
FIRE HAZARDS
EXPLOSION HAZARDS
1.4 GENERATOR AC CONNECTION SYSTEMS
1.2 TRANSFER SWITCH
1.1 GENERATOR
1.3 AUTOMATIC SYSTEM OPERATION
Figure 1.4 - Low Oil Pressure Switch
1.7.1 LOW OIL PRESSURE SWITCH
1.7.2 HIGH COOLANT TEMPERATURE SWITCH
1.7.3 LOW COOLANT LEVEL SWITCH
1.8 UNPACKING
1.10 SPECIFICATIONS
1.7.6 LOW BATTERY
1.8.1 UNPACKING PRECAUTIONS
1.10.2 GENERATOR
1.12 RECONFIGURING THE FUEL SYSTEM FOR LP VAPOR
Figure 1.8 - Reconfigure the Fuel System
1.11 FUEL CONSUMPTION
1.14 COOLANT RECOMMENDATIONS
1.15 BEFORE INSTALLATION
2.1 STANDBY GENERATOR INSTALLATION
1.13 ENGINE OIL RECOMMENDATIONS
2.1.2 OTHER PUBLISHED STANDARDS
2.3 GENERATOR MOUNTING AND SUPPORT
2.4 BASIC STANDBY ELECTRIC SYSTEM
2.2 GENERATOR LOCATION
2.7 GROUNDING THE GENERATOR
2.9 USING AN ENGINEERED “GTS” TRANSFER SWITCH
2.5 EMERGENCY CIRCUIT ISOLATION METHOD
2.6 TOTAL CIRCUIT ISOLATION METHOD
Standby generators installed with automatic
2.10 BATTERY INSTALLATION
Pos2 OFF - Standard Prepackaged ATS Application
2.10.1 VENTED BATTERIES
2.11.1 PRIOR TO INITIAL START-UP
3.1 ENGINEERED GTS TRANSFER SWITCH
2.11.2 TRANSFER SWITCH
2.11 PREPARATION BEFORE START-UP
3.2 CONTROL CONSOLE COMPONENTS
3.2.2 FAULT INDICATOR LEDS
3.2.1 AUTO/OFF/MANUAL SWITCH
3.2.5 SET EXERCISE TIME SWITCH
3.3 MANUAL TRANSFER AND START-UP
3.4 ENGINE GOVERNOR ADJUSTMENTS
3.2.6 SYSTEM READY LED
3.7 WEEKLY EXERCISE CYCLE
Figure 3.2 - Engine Governor Adjustment
Figure 3.3 - “Set Exercise Time” Switch
3.6 AUTOMATIC OPERATION
B. ONCE EVERY SIX MONTHS
3.8 CONTROL BOARD DIP SWITCH SETTINGS
4.1 MAINTENANCE PERFORMED BY AUTHORIZED SERVICE FACILITIES
A. EVERY THREE MONTHS
Figure 4.1 - Intake Manifold Installation
4.2 EXHAUST MANIFOLD PROCEDURE
4.3 INTAKE MANIFOLD PROCEDURE
4.4 CYLINDER HEAD PROCEDURE
4.6 OVERLOAD PROTECTION FOR ENGINE DC ELECTRICAL SYSTEM
4.8 MAINTENANCE OWNER/ OPERATOR CAN PERFORM
4.7 CHECKING FLUID LEVELS
4.8.9 INSPECT ENGINE GOVERNOR
4.8.11 CHANGING THE ENGINE AIR CLEANER
Figure 4.4 - Setting the Spark Plug Gap
4.8.8 CHECK FAN BELT
4.9.3 BATTERY MAINTENANCE
4.9 MISCELLANEOUS MAINTENANCE
4.9.1 CLEANING THE GENERATOR
4.9.2 BATTERY
Remove the negative battery cable
4.10 SCHEDULED MAINTENANCE
Service Maintenance Interval Information
Turn off the battery charger turn OFF utility supply to ATS
Level
Maintenance
Level
Tasks
Level
Maintenance
Level
Level
CORRECTION
TROUBLESHOOTING POINTS
PROBLEM
CAUSE
Guardian Liquid-cooled 25 kW Generator
Generac Power Systems, Inc
Guardian Liquid-cooled 25 kW Generator
Wiring Diagram - 2.5L Engine 15kW & 20kW units -Drawing No. 0F1411
26 Generac Power Systems, Inc
Section 7 - Electrical Data
Section 7 - Electrical Data
Generac Power Systems, Inc
Section 7 - Electrical Data
28 Generac Power Systems, Inc
Guardian Liquid-cooled 25 kW Generator
Section 7 - Electrical Data
Generac Power Systems, Inc
Guardian Liquid-cooled 25 kW Generator
Wiring Diagram - 2.5L Engine 25kW unit -Drawing No. 0E9982-B
30 Generac Power Systems, Inc
Section 7 - Electrical Data
Section 7 - Electrical Data
Generac Power Systems, Inc
Guardian Liquid-cooled 25 kW Generator
Electrical Schematic - 2.5L 25kW unit - Drawing No. 0E9983-B
32 Generac Power Systems, Inc
Section 7 - Electrical Data
Section 7 - Electrical Data
Generac Power Systems, Inc
BLOCK ENGINE
HARNESS WIRE
34 Generac Power Systems, Inc
MOUNT
DESCRIPTION
FASTENER TO SECURE
PANEL FOR ACCESS
GROUND WIRE
COVER CABLE
Enclosure - Drawing No. 0E9720-D
DESCRIPTION
Section 8 - Exploded Views and Parts
Guardian Liquid-cooled 25 kW Generator
Section 8 - Exploded Views and Parts
38 Generac Power Systems, Inc
DESCRIPTION
DESCRIPTION
HINGE CONTINUOUS 1.5L CTRL PNL
Section 8 - Exploded Views and Parts
40 Generac Power Systems, Inc
DESCRIPTION
DESCRIPTION
Section 8 - Exploded Views and Parts
STEPPER MOTOR UNITS ONLY
42 Generac Power Systems, Inc
Section 8 - Exploded Views and Parts
Guardian Liquid-cooled 25 kW Generator Engine - Drawing No. 0E9918-E
GASKET, 2.5L FORD EXHAUST MAN
DESCRIPTION
DESCRIPTION
SOURCE GENERAC-BOSCH GOV
44 Generac Power Systems, Inc
0E1028A I/N
TO ENGINE
COVER
Fuel System - Drawing No. 0E9980-D
DESCRIPTION
Section 8 - Exploded Views and Parts
Guardian Liquid-cooled 25 kW Generator
LOCKTIGHT
LOCKTIGHT
LEADS
46 Generac Power Systems, Inc
STR 390 35AD1 HSB 382MM LONG3.0L FORD & 2.5L FORD
ROTOR REPLACEMENT PARTS
DESCRIPTION
ROTOR 390 30KW 1P DIRECT HSB 3.0L FORD & 2.5L FORD
SCREW HHC M8-1.25 X 60 G8.8 FT
48 Generac Power Systems, Inc
DESCRIPTION
DESCRIPTION
COATING
SECURE WIRE HARNESS
DESCRIPTION
ITEM 13 NEOPRENE
1024
50 Generac Power Systems, Inc
DESCRIPTION
DESCRIPTION
Guardian Liquid-cooled 25 kW Generator
Section 9 - Installation Diagram
Installation Diagram - Drawing No. 0F1020-A
Generac Power Systems, Inc
CALIFORNIA EMISSION CONTROL WARRANTY STATEMENT
YOUR WARRANTY RIGHTS AND OBLIGATIONS
MANUFACTURER’S EMISSION CONTROL SYSTEM WARRANTY COVERAGE
PURCHASER’S/OWNER’S WARRANTY RESPONSIBILITIES
EMISSION RELATED PARTS INCLUDE THE FOLLOWING
EMISSION CONTROL SYSTEM WARRANTY
Section 10 - Warranty
THIS WARRANTY SHALL NOT APPLY TO THE FOLLOWING
GENERAC POWER SYSTEMS TWO YEAR LIMITED WARRANTY FOR GUARDIAN
Section 10 - Warranty
WARRANTY SCHEDULE