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Table of Contents
Guardian Liquid-cooled 15 kW, 20 kW and 25 kW Generators
Generac
®
Power Systems, Inc. 1
INTRODUCTION ....................................IFC
SAFETY RULES..........................................2
Section 1
GENERAL INFORMATION ......................4
Generator ..................................................................4
Transfer Switch ........................................................4
Automatic System Operation ....................................4
Generator AC Connection Systems ............................4
Main Circuit Breaker ................................................5
Generator Fuel System ..............................................5
Engine Protective Devices ..........................................5
Unpacking..................................................................6
Lifting the Generator..................................................6
Specifications ............................................................6
Fuel Consumption......................................................7
Torque Specifications ................................................7
Engine Oil Recommendations ....................................7
Coolant Recommendations ........................................7
Before Installation......................................................7
Section 2
STANDBY GENERATOR INSTALLATION..8
Generator Location ....................................................8
Generator Mounting and Support..............................9
Basic Standby Electric System ..................................9
Emergency Circuit Isolation Method ..........................9
Total Circuit Isolation Method....................................9
Grounding the Generator ..........................................9
Generator AC Neutral Connections..........................10
Transfer Switch Start Signal Connections ..............10
Battery Installation ..................................................10
Preparation Before Start-Up ....................................11
Section 3
OPERATION ..........................................11
Using a Standard “GTS” Transfer Switch ................11
Control Console Components ..................................12
Manual Transfer and Startup ..................................13
Retransfer and Shutdown ........................................13
Automatic Operation................................................13
Weekly Exercise Cycle ..............................................13
Engine Heater ..........................................................14
Section 4
MAINTENANCE ....................................14
Maintenance Performed by
Authorized Service Facilities ....................................14
Overload Protection for Engine DC
Electrical System ....................................................14
Checking Fluid Levels..............................................14
Maintenance Owner/Operator Can Perform..............15
Miscellaneous Maintenance......................................17
Section 5
TROUBLESHOOTING ............................18
Section 6
SCHEDULED MAINTENANCE ................19
Section 7
WIRING DIAGRAMS AND
SCHEMATICS ........................................22
Section 8
EXPLODED VIEWS AND
PARTS LISTS ........................................27
Section 9
INSTALLATION DRAWINGS ..................52
Section 10
WARRANTY ...........................................56