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
1.1 Generator......................................................4
1.2 Transfer Switch ............................................4
1.3 Automatic System Operation ........................4
1.4 Generator AC Connection Systems................4
1.5 Main Circuit Breaker ....................................4
1.6 Generator Fuel System..................................4
1.7 Engine Protective Devices..............................5
1.8 Unpacking ....................................................6
1.9 Lifting the Generator ....................................6
1.10 Specifications................................................7
1.11 Fuel Consumption ........................................7
1.12 Reconfiguring the Fuel System ......................7
1.13 Torque Specifications ....................................8
1.14 Engine Oil Recommendations ......................8
1.15 Coolant Recommendations ............................8
1.16 Before Installation ........................................8
Section 2 — INSTALLATION ................8
2.1 Standby Generator Installation ....................8
2.2 Generator Location ......................................9
2.3 Generator Mounting and Support ................9
2.4 Basic Standby Electric System......................9
2.5 Emergency Circuit Isolation Method ..........10
2.6 Total Circuit Isolation Method ....................10
2.7 Grounding the Generator............................10
2.8 Generator AC Neutral Connections ............10
2.9 Transfer Switch Start Signal Connections ..10
2.10 Battery Installation ......................................11
2.11 Preparation Before Start-Up ........................11
Section 3 — OPERATION....................12
3.1 Using a Standard “GTS” Transfer Switch....12
3.2 Control Console Components......................12
3.3 Manual Transfer and Startup......................13
3.4 Automatic Operation ..................................13
3.5 Weekly Exercise Cycle..................................13
3.6 Engine Heater..............................................14
Section 4 — MAINTENANCE ..............14
4.1 Maintenance Performed by Authorized
Service Facilities..........................................14
4.2 Cooling System............................................15
4.3 Overload Protection for Engine DC
Electrical System ........................................15
4.4 Checking Fluid Levels ................................15
4.5 Maintenance Owner/Operator
Can Perform................................................15
4.6 Miscellaneous Maintenance ........................17
4.7 Scheduled Maintenance ..............................19
Section 5 — TROUBLESHOOTING......22
5.1 Troubleshooting Points................................22
Section 6 — NOTES............................23
Section 7 — INSTALLATION
DIAGRAM ......................25
Section 8 — ELECTRICAL DATA........26
Section 9 — EXPLODED VIEWS AND
PARTS LISTS ................30
Section 10 — WARRANTY .................48