Table Of Contents - Generac Power Systems 004920-0 Owner's Manual

INTRODUCTION ..................................IFC
SAFETY RULES ......................................2
Section 1 - GENERAL
INFORMATION..................4
1.1 Generator ......................................................4
1.2 Transfer Switch Equipment Description ......4
1.3 Transfer Switch Data Plate............................4
1.4 Transfer Switch Enclosure ............................4
1.5 Safe Use of Transfer Switch ..........................4
1.6 Transfer Switch Installation ..........................4
1.7 Connecting Generator Lines ..........................4
1.8 Automatic System Operation ........................6
1.9 Generator AC Connection Systems................6
1.10 Main Circuit Breaker ....................................6
1.11 Generator Fuel System ..................................6
1.12 Engine Protective Devices ..............................6
1.13 Unpacking ....................................................8
1.14 Lifting the Generator ....................................8
1.15 Specifications ................................................8
1.16 Fuel Consumption ........................................8
1.17 Reconfiguring the Fuel System ......................9
1.18 Torque Specifications ....................................9
1.19 Engine Oil Recommendations ......................9
1.20 Coolant Recommendations............................9
1.21 Before Installation ........................................9
Section 2 - INSTALLATION ..............10
2.1 Standby Generator Installation ..................10
2.2 Generator Location ....................................10
2.3 Generator Mounting and Support ..............11
2.4 Basic Standby Electric System ....................11
2.5 Emergency Circuit Isolation Method ..........11
2.6 Total Circuit Isolation Method ....................11
2.7 Grounding the Generator ............................11
2.8 Generator AC Neutral Connections ............12
2.9 Transfer Switch Start Signal Connections ..12
2.10 Battery Installation ......................................12
2.11 Preparation Before Start-Up ........................13

Table of Contents

Generac Liquid-cooled 20 kW Generator
Section 3 - OPERATION....................14
3.1 Control Console Components......................14
3.2 Manual Transfer and Startup ......................15
3.3 Retransfer and Shutdown............................15
3.4 Automatic Operation ..................................15
3.5 Weekly Exercise Cycle..................................15
3.6 Engine Heater..............................................16
3.7 Functional Tests and Adjustments ..............16
3.8 Functional Tests ..........................................16
3.9 W-type Transfer Switch ..............................16
3.10 Manual Operation........................................17
3.11 Voltage Checks ............................................17
3.12 Generator Tests Under Load ......................19
Section 4 - MAINTENANCE ..............19
4.1 Maintenance Performed by Authorized
Service Facilities ..........................................19
4.2 Cooling System............................................19
4.3 Overload Protection for Engine DC
Electrical System ........................................20
4.4 Checking Fluid Levels ................................20
4.5 Maintenance Owner/Operator
Can Perform ................................................20
4.6 Miscellaneous Maintenance ........................22
4.7 Scheduled Maintenance ..............................24
Section 5 - TROUBLESHOOTING......27
5.1 Troubleshooting Points................................27
Section 6 - ELECTRICAL DATA ........28
Section 7 - EXPLODED VIEWS AND
PARTS LISTS ................34
Section 8 - INSTALLATION
DIAGRAM ......................51
Section 9 - WARRANTY ...................52
Generac ® Power Systems, Inc. 1