
Table of Contents
Guardian 
| INTRODUCTION | ................................................IFC | Section 3 — OPERATION | 12 | 
| Read this Manual Thoroughly | IFC | |
| Operation and Maintenance | IFC | |
| How to Obtain Service | IFC | |
| Authorized Service Dealer Location | 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 | 5 | 
| 1.7 | Engine Protective Devices | 5 | 
| 1.8 | Unpacking | 6 | 
| 1.9 | Lifting the Generator | 6 | 
| 1.10 | Specifications | 6 | 
| 1.11 | Fuel Consumption | 7 | 
| 1.12 | Reconfiguring the Fuel System for LP Vapor | 7 | 
| 1.13 | Engine Oil Recommendations | 7 | 
| 1.14 | Coolant Recommendations | 8 | 
| 1.15 | Before Installation | 8 | 
| 3.1 | Engineered GTS Transfer Switch | 12 | 
| 3.2 | Control Console Components | 13 | 
| 3.3 | Manual Transfer and Startup | 14 | 
| 3.4 | Engine Governor Adjustments | 14 | 
| 3.5 | Retransfer and Shutdown | 15 | 
| 3.6 | Automatic Operation | 15 | 
| 3.7 | Weekly Exercise Cycle | 15 | 
| 3.8 | Control Board DIP Switch Settings | 16 | 
| Section 4 — MAINTENANCE | 16 | |
4.1Maintenance Performed by Authorized
| 
 | Service Facilities | 16 | 
| 4.2 | Exhaust Manifold Procedure | 17 | 
| 4.3 | Intake Manifold Procedure | 17 | 
| 4.4 | Cylinder Head Procedure | 17 | 
| 4.5 | Cooling System | 17 | 
4.6Overload Protection for Engine DC
| Electrical System | 18 | 
| 4.7 Checking Fluid Levels | 18 | 
4.8Maintenance Owner/Operator
| 
 | Can Perform | 18 | 
| 4.9 | Miscellaneous Maintenance | 20 | 
| 4.10 | Scheduled Maintenance | 21 | 
| 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 | 9 | 
| 2.6 | Total Circuit Isolation Method | 10 | 
| 2.7 | Grounding the Generator | 10 | 
| 2.8 | Generator AC Neutral Connections | 10 | 
| 2.9 | Using an Engineered “GTS” Transfer Switch | 10 | 
| 2.10 | Battery Installation | 11 | 
| 2.11 | Preparation Before  | 11 | 
| Section 5 — TROUBLESHOOTING | 24 | |
| Section 6 | — NOTES | 25 | 
| Section 7 | — ELECTRICAL DATA | 26 | 
| Section 8 | — EXPLODED VIEWS AND | 
 | 
| 
 | PARTS LISTS | 34 | 
| Section 9 | — INSTALLATION DIAGRAM | 51 | 
| Section 10 — WARRANTY | 52 | |
Generac® Power Systems, Inc. 1
