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Table of Contents
Guardian 40kW Liquid-cooled 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 ..........................................5
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 ................................12
Section 3 — OPERATION ................................13
3.1 Using an Engineered “GTS” Transfer Switch ......13
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
Section 4 — MAINTENANCE ..........................16
4.1 Maintenance Performed by Authorized
Service Facilities ..................................................16
4.2 Cooling System....................................................16
4.3 Overload Protection for Engine DC
Electrical System ................................................16
4.4 Checking Fluid Levels ........................................16
4.5 Maintenance Owner/Operator
Can Perform ........................................................17
4.6 Miscellaneous Maintenance ................................18
4.7 Scheduled Maintenance ......................................20
Section 5 — TROUBLESHOOTING ..................23
Section 6 — ELECTRICAL DATA ....................24
Section 7 — EXPLODED VIEWS AND
PARTS LISTS ..............................28
Section 8 — INTALLATION DIAGRAM ............43
Section 9 — NOTES ........................................44
Section 10 — WARRANTY .................Back Cover