Generac Mobile MMG25IF4 - Default Chapter; Table of Contents

Owner’s Manual for Mobile Generator iii
Table of Contents
Section 1: Introduction and Safety
Introduction ..................................................................1
Read This Manual Thoroughly ....................................1
How to Obtain Service .................................................1
Safety Rules .................................................................1
General Hazards ...........................................................2
Trailer Hazards .............................................................2
Electrical Hazards ........................................................3
Lifting Hazards .............................................................3
Explosion and Fire Hazards ........................................3
Battery Hazards ............................................................4
Fuel Hazards .................................................................4
Engine Safety ...............................................................4
Operating Safety ..........................................................4
Positioning the Unit .....................................................4
Starting the Unit ...........................................................5
Lowering Trailer Tongue .............................................5
Towing Safety ...............................................................5
Hitch and Coupling ......................................................5
Safe Towing Techniques .............................................6
Reporting Trailer Safety Defects ................................6
Safety and Operating Decals ......................................7
Section 2: General Information
Specifications .............................................................11
Unit Dimensions .........................................................13
Unit and Serial Number Locations ...........................14
Altitude and Temperature Limitations .....................14
Component Locations ...............................................15
Exterior ......................................................................15
Connection Panel ......................................................16
Control Panel .............................................................17
Genset Controller .......................................................18
Controller Features and Functions ............................19
Operator Screens ......................................................19
Maintenance Screens ................................................20
Generator Summary ..................................................20
Engine Tab ................................................................21
Generator Tab ...........................................................21
Alarms Tab ................................................................21
Input/Output Tab .......................................................22
Scheduler Tab ...........................................................22
Status Tab .................................................................22
Generator Monitoring ................................................22
Engine Monitoring .....................................................22
Power Zone Controller Information Displays, Func-
tions, and Reset .........................................................22
Voltage Selector Switch ............................................22
Section 3: Operation
Pre-start Checklist .....................................................23
Manually Starting the Unit .........................................23
AUTO (Remote) Starting the Unit .............................24
Wet Stacking ..............................................................25
Cold Weather Operation ............................................25
Using a Booster Battery or Charger (if equipped) ..26
Generator Output Connections ................................27
Generator Cam Lock Connections (If Equipped) ....27
Using the Voltage Selector Switch ...........................28
Fine Voltage Adjustment ...........................................28
Voltage Regulator ......................................................28
Achieving 240V Three-Phase in 208V Three-Phase
(Parallel Low Wye) Configuration .............................29
Changing Back to 208V Configuration ......................29
Customer Convenience Receptacles .......................29
Main Circuit Breaker ..................................................30
DOC and SCR Cleaning Operations .........................30
Disabling Automatic (AUTO) Exhaust After-Treatment
Cleaning (If Equipped) ...............................................30
Force a Manual Exhaust After-Treatment Cleaning 30
Enable Exhaust After-Treatment Cleaning ................31
Transfer Switch ..........................................................31
AUTO Exercise Timer ................................................31
Accessing the Configuration Menu ............................31
Set the Controller Clock ............................................32
Set the Schedule .......................................................32
Setting Up a Daily Scheduled Run ............................32
Set the Unit to AUTO Mode .......................................32
Shutting Down the Unit .............................................32
Emergency Stop Switch ............................................33
Idle Switch ..................................................................33
Using ECU Override ...................................................33
Towing the Unit ..........................................................33
Lifting the Unit ............................................................34
Section 4: Maintenance
Emissions Information ..............................................35
Maintenance ...............................................................35