Generac Power Systems SG30 User Manual

Standby Generator Sets
Table of Contents
SECTION PAGE
SAFETY RULES ......................................................... 1-1
INTRODUCTION .....................................................1-3
Read this Manual Thoroughly ............................................. 1-3
Operation and Maintenance.................................................1-3
How to Obtain Service .........................................................1-3
IDENTIFICATION RECORD .....................................2-1
Data Label ...........................................................................2-1
EQUIPMENT DESCRIPTION ...................................3-1
Equipment Description ........................................................... 3-1
Engine Oil Recommendations ................................................. 3-1
Coolant Recommendations......................................................3-1
ENGINE PROTECTIVE DEVICES ............................4-1
Coolant Temperature Sensing .............................................4-1
Low Coolant Level ...............................................................4-1
Oil Pressure Sensing ........................................................... 4-1
Overcrank Shutdown...........................................................4-1
Overspeed Shutdown...........................................................4-1
RPM Sensor Loss Shutdown ...............................................4-1
DC Fuse ...............................................................................4-1
FUEL SYSTEMS .....................................................5-1
Fuel Requirements...............................................................5-1
Natural Gas Fuel System ..................................................... 5-1
Propane Vapor Withdrawal Fuel System .............................. 5-1
NG/PV Dual Fuel System ..................................................... 5-1
Low Fuel Level Alarm .......................................................... 5-2
Gas Detector ........................................................................5-2
Fluid Spill Alarm .................................................................5-2
SPECIFICATIONS ...................................................6-1
Generator ............................................................................ 6-1
Engine .................................................................................6-1
Cooling System ....................................................................6-1
Fuel System .........................................................................6-1
Electrical System .................................................................6-1
Ignition Description .................................................................6-2
Ignition Power-up Input ("56 Line" Input) ............................6-2
Fuel Select Input .................................................................. 6-2
Ignition Shutdown on Loss of Flywheel or
Cam/Distributor Signals ...................................................6-2
3.9L Engine Select Input .....................................................6-2
Diagnostic Blink Patterns (Ignition Red LED) ......................6-3
GENERAL INFORMATION .......................................7-1
Generator AC Lead Connections .............................................7-1
Four-lead, Single-phase Stator.............................................7-1
INSTALLATION .......................................................8-1
Installation .............................................................................. 8-1
Unpacking ........................................................................... 8-1
Generator Location..............................................................8-1
Generator Support ..............................................................8-1
Installation Rules .................................................................... 8-2
Before Installation ...................................................................8-2
NFPA Standards ..................................................................8-2
Other Published Standards .................................................8-2
Preparation Before Start-up ....................................................8-3
Initial Inspection for Generator Start-up ............................. 8-3
Prior to Initial Start-up ........................................................... 8-3
Engine Coolant ....................................................................8-3
Belt Tension ........................................................................8-3
Electical System ..................................................................8-3
Start-up Checklist ...................................................................8-4
Start-up Inspection Form .................................................... 8-4
Electical Connections ..............................................................8-4
Grounding the Generator .................................................... 8-4
Battery Charger Connection ................................................ 8-5
Battery Installation ..............................................................8-5
Table 1 - Vapor Capacity of Propane Storage Tanks ............8-6
OPERATION ...........................................................9-1
Generator Control and Operation ........................................... 9-1
Operating Unit with Manual Transfer Switch .......................... 9-1
Engine Start-up and Transfer .............................................. 9-1
Retransfer and Shutdown .................................................... 9-1
Operating Unit with Automatic Transfer Switch ......................9-1
Basic Standby Electric System ................................................ 9-2
Standby Circuit Isoation Method ............................................. 9-2
Total Circuit Isolation Method .................................................9-2
Connection Diagrams ..............................................................9-2
MAINTENANCE .....................................................10-1
Maintenance Performed by Service Facilities .........................10-1
Every Three Months ..........................................................10-1
Once Every Six Months .....................................................10-1
Once Annually ................................................................... 10-1
First 100 Operating Hours ................................................10-1
Every 500 Operating Hours ...............................................10-1
Cooling System ..................................................................... 10-1
Checking Fluid Levels ...........................................................10-1
Check Engine Oil ...............................................................10-1
Battery Fluid .....................................................................10-1
Engine Coolant ..................................................................10-2
Maintenance Owner/Operator Can Perform ...........................10-2
Check Engine Oil Level ...................................................... 10-2
Check Battery .................................................................... 10-2
Exercise System ................................................................10-2
Inspect Cooling System .....................................................10-2
Check Engine Coolant Level ..............................................10-2
Perform Visual Inspection ................................................. 10-2
Inspect Exhaust System ....................................................10-2
Check Fan Belt .................................................................. 10-2
Inspect Engine Governor ...................................................10-2
Changing Engine Oil .......................................................... 10-2
Changing the Engine Air Cleaner ....................................... 10-3
Spark Plugs ....................................................................... 10-3
Coolant Change .................................................................10-3
Miscellaneous Maintenance ................................................... 10-3
Cleaning the Generator ...................................................... 10-3
Battery ............................................................................... 10-3
Battery Maintenance ..........................................................10-4
Battery Replacement ..........................................................10-4
Repair Parts ..........................................................................10-4
SERVICE SCHEDULE ...........................................11-1
30 kW - 150 kW Standby Gas Engine
Driven Generator Sets .......................................................11-1
TROUBLESHOOTING ...........................................12-1
Troubleshooting Guide ..........................................................12-1
NOTES
EXPLODED VIEWS & PARTS LISTS
WIRING DIAGRAMS & SCHEMATICS
INSTALLATION DIAGRAM
WARRANTY
Content007 Rev. 0 11/05

Generac Power Systems SG30 Specifications

General

Brand	Generac Power Systems
Model	SG30
Category	Inverter
Language	English