Table Of Contents - Generac Power Systems MAGNUM MMG25IF4 Operating Manual

Introduction ............................................................................................................................ iii
Section 1 - Safety
Safety Notes ....................................................................................................................................... 1
Operating Safety................................................................................................................................. 1
Engine Safety ..................................................................................................................................... 2
Service Safety .................................................................................................................................... 2
Towing Safety..................................................................................................................................... 3
Reporting Trailer Safety Defects ........................................................................................................ 3
Safety Symbol Summary .................................................................................................................... 4
Section 2 - General Information
Specifications ..................................................................................................................................... 5
Unit Dimensions .................................................................................................................... 9
Unit Serial Number Locations ......................................................................................................... 10
Component Locations ...................................................................................................................... 11
Control Panel ................................................................................................................................... 12
Power Zone™ Gen Controller ......................................................................................................... 14
Controller Features and Functions ...................................................................................... 14
Operator Screens ................................................................................................................ 15
Maintenance Screens.......................................................................................................... 18
Generator Monitoring........................................................................................................... 21
Engine Monitoring................................................................................................................ 21
Controller Information Displays, Functions and Reset ........................................................ 21
Belt Tensioners................................................................................................................................. 22
Section 3 - Operation
Prestart Checklist ............................................................................................................................. 23
Manual Starting of the Unit ............................................................................................................... 23
Auto (Remote) Starting of the Unit ................................................................................................... 24
Derating for Altitude.......................................................................................................................... 25
Generator Output Connection Lugs.................................................................................................. 25
Fine Voltage Adjustment .................................................................................................................. 26
Voltage Selector Switch.................................................................................................................... 27
Voltage Regulation ........................................................................................................................... 28
Customer Convenience Receptacles ............................................................................................... 28
Main Circuit Breaker ......................................................................................................................... 29
Exhaust Filter Cleaning Operations.................................................................................................. 30
Disable Automatic (Auto) Exhaust Filter Cleaning............................................................... 30
Force a Manual Exhaust Filter Cleaning ............................................................................. 30
Enable Exhaust Filter Cleaning ........................................................................................... 31
Transfer Switch................................................................................................................................. 31
Auto Exercise Timer ......................................................................................................................... 32
Accessing the Configuration Menu ...................................................................................... 32
Set the Controller Clock....................................................................................................... 32
Set the Schedule ................................................................................................................. 33
Set the Unit to Auto Mode ................................................................................................... 33
Shutting Down the Unit..................................................................................................................... 33
Emergency Stop Switch ................................................................................................................... 34
Idle Switch (MMG25I-45I only) ......................................................................................................... 34
Towing the Unit................................................................................................................................. 34
Lifting the Unit................................................................................................................................... 35

Table of Contents

v