Tableof Contents
Guardian Liquid-cooled 10 kW,15 kW, 20 kW and 25 kW Generators
Generac®PowerSystems, Inc. 1
INTRODUCTION ............................................................IFC
SAFETY RULES ........................................................................2
Section 1
GENERAL INFORMATION ........................................................4
Generator....................................................................................4
Automatic System Operation ......................................................4
Generator AC Connection Systems............................................4
Main Circuit Breaker....................................................................5
Generator Fuel System ..............................................................5
Engine Protective Devices ..........................................................5
Generator Specifications ............................................................6
Unpacking....................................................................................7
Lifting the Generator ..................................................................7
Engine Specifications ..................................................................7
Fuel Consumption ......................................................................7
Lifting the Generator ..................................................................7
TorqueSpecifications ..................................................................8
Engine Oil Recommendations ....................................................8
Coolant Recommendations ........................................................8
Before Installation........................................................................8
Section 2
STANDBYGENERATOR INSTALLATION ................................9
Basic Standby Electric System..............................................................9
Emergency Circuit Isolation Method....................................................10
TotalCircuit Isolation Method ..............................................................10
Grounding the Generator ....................................................................10
Generator AC Neutral Connections ....................................................10
TransferSwitch Start Signal Connections ..........................................10
Battery Installation ..............................................................................10
Preparation Before Start-Up................................................................11
Section 3
OPERATION ............................................................................12
Using a Standard “GTS”Transfer Switch ..................................12
Control Console Components ..................................................13
Manual Transferand Startup ....................................................13
Retransfer and Shutdown..........................................................14
Automatic Operation..................................................................14
Weekly Exercise Cycle..............................................................14
Engine Heater ..........................................................................14
Section 4
MAINTENANCE........................................................................15
Maintenance Performed by
Authorized Service Facilities ....................................................15
Overload Protection for Engine DC Electrical System..............15
Checking Fluid Levels ..............................................................15
Maintenance Owner/Operator Can Perform..............................16
Miscellaneous Maintenance ......................................................17
Section 5
TROUBLESHOOTING..............................................................18
Section 6
SCHEDULED MAINTENANCE ................................................19
Section 7
WIRING DIAGRAMS AND SCHEMATICS..........................22-27
Section 8
EXPLODEDVIEWS AND PARTS LISTS ............................28-45
Section 9
INSTALLATIONDRAWINGS ..............................................46-47
Section 10
WARRANTY .......................................................48- Back Cover
Figure 1- Water Cooled Emergency Power System