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
during operation. Exercise care near running gen- erators
GENERAL HAZARDS
Despite the safe design of this generator
Parts of the generator are rotating and/or hot
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
3.2.6 SYSTEM READY LED
3.4 ENGINE GOVERNOR ADJUSTMENTS
3.3 MANUAL TRANSFER AND START-UP
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
4.7 CHECKING FLUID LEVELS
4.8 MAINTENANCE OWNER/ OPERATOR CAN PERFORM
4.6 OVERLOAD PROTECTION FOR ENGINE DC ELECTRICAL SYSTEM
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
Tasks
Maintenance
Level
Maintenance
CORRECTION
TROUBLESHOOTING POINTS
PROBLEM
CAUSE
Guardian Liquid-cooled 25 kW Generator
Section 7 - Electrical Data
Wiring Diagram - 2.5L Engine 15kW & 20kW units -Drawing No. 0F1411
26 Generac Power Systems, Inc
Section 7 - Electrical Data
28 Generac Power Systems, Inc
Section 7 - Electrical Data
30 Generac Power Systems, Inc
Wiring Diagram - 2.5L Engine 25kW unit -Drawing No. 0E9982-B
Section 7 - Electrical Data
32 Generac Power Systems, Inc
Electrical Schematic - 2.5L 25kW unit - Drawing No. 0E9983-B
Section 7 - Electrical Data
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
38 Generac Power Systems, Inc
HINGE CONTINUOUS 1.5L CTRL PNL
40 Generac Power Systems, Inc
Section 8 - Exploded Views and Parts
TO RADIATOR
42 Generac Power Systems, Inc
Guardian Liquid-cooled 25 kW Generator Engine - Drawing No. 0E9918-E
STEPPER MOTOR UNITS ONLY
BRKT,D.C. ALTERNATORMACHINED
SOURCE GENERAC-BOSCH GOV
GASKET, 2.5L FORD EXHAUST MAN
SERPENTINE BELT - 41 3/8 LENGTH
44 Generac Power Systems, Inc
0E1028A I/N
TO ENGINE
COVER
Fuel System - Drawing No. 0E9980-D
Alternator - Drawing No. 0E8660-C
LOCKTIGHT
LEADS
46 Generac Power Systems, Inc
CONDUIT FLEX 1-1/4 30 LG - 3.0L FORD & 3.9L CHRYSLER
ROTOR REPLACEMENT PARTS
ROTOR 390 30KW 1P DIRECT HSB 3.0L FORD & 2.5L FORD
STR 390 35AD1 HSB 382MM LONG3.0L FORD & 2.5L FORD
SCREW HHC M8-1.25 X 60 G8.8 FT
48 Generac Power Systems, Inc
WITH TIE WRAP AS SHOWN
SECURE WIRE HARNESS
ITEM 13 NEOPRENE
COATING
HOSE, UPPER RADIATOR 174MM
50 Generac Power Systems, Inc
1024
SUPPORT,RADIATOR 2.5L FORD
Installation Diagram - Drawing No. 0F1020-A
Section 9 - Installation Diagram
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
GENERAC POWER SYSTEMS, INC P.O. BOX 297 WHITEWATER, WI
GENERAC POWER SYSTEMS TWO YEAR LIMITED WARRANTY FOR GUARDIAN
WARRANTY SCHEDULE
THIS WARRANTY SHALL NOT APPLY TO THE FOLLOWING