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