Liquid-cooled, Prepackaged Standby Generators
SHOULD ATTEMPT INSTALLATION
Owner’s Manual
This manual should remain with the unit
HOW TO OBTAIN SERVICE
AUTHORIZED SERVICE DEALER LOCATION
OPERATION AND MAINTENANCE
INTRODUCTION
Table of Contents
Guardian Liquid-cooled 25 kW Generator
Parts of the generator are rotating and/or hot
GENERAL HAZARDS
Despite the safe design of this generator
during operation. Exercise care near running gen- erators
EXPLOSION HAZARDS
ELECTRICAL HAZARDS
FIRE HAZARDS
STANDARDS INDEX
1.3 AUTOMATIC SYSTEM OPERATION
1.2 TRANSFER SWITCH
1.1 GENERATOR
1.4 GENERATOR AC CONNECTION SYSTEMS
1.7.3 LOW COOLANT LEVEL SWITCH
1.7.1 LOW OIL PRESSURE SWITCH
1.7.2 HIGH COOLANT TEMPERATURE SWITCH
Figure 1.4 - Low Oil Pressure Switch
1.8.1 UNPACKING PRECAUTIONS
1.10 SPECIFICATIONS
1.7.6 LOW BATTERY
1.8 UNPACKING
1.11 FUEL CONSUMPTION
1.12 RECONFIGURING THE FUEL SYSTEM FOR LP VAPOR
Figure 1.8 - Reconfigure the Fuel System
1.10.2 GENERATOR
1.13 ENGINE OIL RECOMMENDATIONS
1.15 BEFORE INSTALLATION
2.1 STANDBY GENERATOR INSTALLATION
1.14 COOLANT RECOMMENDATIONS
2.2 GENERATOR LOCATION
2.3 GENERATOR MOUNTING AND SUPPORT
2.4 BASIC STANDBY ELECTRIC SYSTEM
2.1.2 OTHER PUBLISHED STANDARDS
2.6 TOTAL CIRCUIT ISOLATION METHOD
2.9 USING AN ENGINEERED “GTS” TRANSFER SWITCH
2.5 EMERGENCY CIRCUIT ISOLATION METHOD
2.7 GROUNDING THE GENERATOR
2.10.1 VENTED BATTERIES
2.10 BATTERY INSTALLATION
Pos2 OFF - Standard Prepackaged ATS Application
Standby generators installed with automatic
2.11 PREPARATION BEFORE START-UP
3.1 ENGINEERED GTS TRANSFER SWITCH
2.11.2 TRANSFER SWITCH
2.11.1 PRIOR TO INITIAL START-UP
3.2.5 SET EXERCISE TIME SWITCH
3.2.2 FAULT INDICATOR LEDS
3.2.1 AUTO/OFF/MANUAL SWITCH
3.2 CONTROL CONSOLE COMPONENTS
3.2.6 SYSTEM READY LED
3.4 ENGINE GOVERNOR ADJUSTMENTS
3.3 MANUAL TRANSFER AND START-UP
3.6 AUTOMATIC OPERATION
Figure 3.2 - Engine Governor Adjustment
Figure 3.3 - “Set Exercise Time” Switch
3.7 WEEKLY EXERCISE CYCLE
A. EVERY THREE MONTHS
3.8 CONTROL BOARD DIP SWITCH SETTINGS
4.1 MAINTENANCE PERFORMED BY AUTHORIZED SERVICE FACILITIES
B. ONCE EVERY SIX MONTHS
4.4 CYLINDER HEAD PROCEDURE
4.2 EXHAUST MANIFOLD PROCEDURE
4.3 INTAKE MANIFOLD PROCEDURE
Figure 4.1 - Intake Manifold Installation
4.7 CHECKING FLUID LEVELS
4.8 MAINTENANCE OWNER/ OPERATOR CAN PERFORM
4.6 OVERLOAD PROTECTION FOR ENGINE DC ELECTRICAL SYSTEM
4.8.8 CHECK FAN BELT
4.8.11 CHANGING THE ENGINE AIR CLEANER
Figure 4.4 - Setting the Spark Plug Gap
4.8.9 INSPECT ENGINE GOVERNOR
4.9.2 BATTERY
4.9 MISCELLANEOUS MAINTENANCE
4.9.1 CLEANING THE GENERATOR
4.9.3 BATTERY MAINTENANCE
Turn off the battery charger turn OFF utility supply to ATS
4.10 SCHEDULED MAINTENANCE
Service Maintenance Interval Information
Remove the negative battery cable
Tasks
Maintenance
Level
Maintenance
CAUSE
TROUBLESHOOTING POINTS
PROBLEM
CORRECTION
Generac Power Systems, Inc
Section 7 - Electrical Data
Wiring Diagram - 2.5L Engine 15kW & 20kW units -Drawing No. 0F1411
26 Generac Power Systems, Inc
Generac Power Systems, Inc
28 Generac Power Systems, Inc
Generac Power Systems, Inc
Wiring Diagram - 2.5L Engine 25kW unit -Drawing No. 0E9982-B
30 Generac Power Systems, Inc
Generac Power Systems, Inc
Electrical Schematic - 2.5L 25kW unit - Drawing No. 0E9983-B
32 Generac Power Systems, Inc
Generac Power Systems, Inc
MOUNT
HARNESS WIRE
34 Generac Power Systems, Inc
BLOCK ENGINE
DESCRIPTION
COVER CABLE
PANEL FOR ACCESS
GROUND WIRE
FASTENER TO SECURE
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
STEPPER MOTOR UNITS ONLY
42 Generac Power Systems, Inc
Guardian Liquid-cooled 25 kW Generator Engine - Drawing No. 0E9918-E
TO RADIATOR
SERPENTINE BELT - 41 3/8 LENGTH
SOURCE GENERAC-BOSCH GOV
GASKET, 2.5L FORD EXHAUST MAN
BRKT,D.C. ALTERNATORMACHINED
COVER
0E1028A I/N
TO ENGINE
44 Generac Power Systems, Inc
Guardian Liquid-cooled 25 kW Generator
46 Generac Power Systems, Inc
LOCKTIGHT
LEADS
Alternator - Drawing No. 0E8660-C
STR 390 35AD1 HSB 382MM LONG3.0L FORD & 2.5L FORD
ROTOR REPLACEMENT PARTS
ROTOR 390 30KW 1P DIRECT HSB 3.0L FORD & 2.5L FORD
CONDUIT FLEX 1-1/4 30 LG - 3.0L FORD & 3.9L CHRYSLER
48 Generac Power Systems, Inc
SCREW HHC M8-1.25 X 60 G8.8 FT
COATING
SECURE WIRE HARNESS
ITEM 13 NEOPRENE
WITH TIE WRAP AS SHOWN
SUPPORT,RADIATOR 2.5L FORD
50 Generac Power Systems, Inc
1024
HOSE, UPPER RADIATOR 174MM
Section 9 - Installation Diagram
Installation Diagram - Drawing No. 0F1020-A
PURCHASER’S/OWNER’S WARRANTY RESPONSIBILITIES
YOUR WARRANTY RIGHTS AND OBLIGATIONS
MANUFACTURER’S EMISSION CONTROL SYSTEM WARRANTY COVERAGE
CALIFORNIA EMISSION CONTROL WARRANTY STATEMENT
EMISSION CONTROL SYSTEM WARRANTY
EMISSION RELATED PARTS INCLUDE THE FOLLOWING
THIS WARRANTY SHALL NOT APPLY TO THE FOLLOWING
GENERAC POWER SYSTEMS TWO YEAR LIMITED WARRANTY FOR GUARDIAN
WARRANTY SCHEDULE
GENERAC POWER SYSTEMS, INC P.O. BOX 297 WHITEWATER, WI