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Owner's Manual
For
Diesel Generator
MMG75D • MMG100D
TM
With
Controller
002782
MODEL NUMBER: _________________________
SERIAL NUMBER: _________________________
DATE PURCHASED:________________________
Register your Generac product at:
WWW.GENERAC.COM
1-888-GENERAC
(1-888-436-3722)
SAVE THIS MANUAL FOR FUTURE REFERENCE
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Table of Contents
Related Manuals for Generac Power Systems Magnum MMG75D
Summary of Contents for Generac Power Systems Magnum MMG75D
- Page 1 Owner’s Manual Diesel Generator MMG75D • MMG100D With Controller 002782 MODEL NUMBER: _________________________ SERIAL NUMBER: _________________________ DATE PURCHASED:________________________ Register your Generac product at: WWW.GENERAC.COM 1-888-GENERAC (1-888-436-3722) SAVE THIS MANUAL FOR FUTURE REFERENCE...
- Page 2 WARNING California Proposition 65. Engine exhaust and some of its constituents are known to the state of California to cause cancer, birth defects, and other reproductive harm. (000004) WARNING California Proposition 65. This product contains or emits chemicals known to the state of California to cause cancer, birth defects, and other reproductive harm.
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Page 3: Table Of Contents
Table of Contents Introduction and Safety Accessing the Configuration Menu ....21 Set the Controller Clock ........22 Introduction ............1 Set the Schedule ..........22 Safety Rules ............1 Setting Up a Daily Scheduled Run ....22 General Hazards ..........2 Set the Unit to AUTO Mode ......22 Explosion and Fire Hazards ......2 Shutting Down the Unit ........ - Page 4 This page intentionally left blank. Owner’s Manual for Generator...
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Page 5: Introduction And Safety
Introduction and Safety Section 1 Introduction and Safety Introduction Thank you for purchasing a Generac Mobile Products DANGER LLC product. This unit has been designed to provide high-performance, efficient operation, and years of use Indicates a hazardous situation which, if not avoided, when maintained properly. -
Page 6: General Hazards
Introduction and Safety General Hazards WARNING DANGER Asphyxiation. Running engines produce carbon monoxide, a colorless, odorless, poisonous gas. Carbon monoxide, if not (000182) avoided, will result in death or serious injury. (000103) CAUTION WARNING Equipment or property damage. Do not block air intake or restrict proper air flow. -
Page 7: Trailer Hazards
Introduction and Safety Trailer Hazards Electrical Hazards DANGER WARNING Electrocution. In the event of electrical accident, Trailer must be securely coupled to the hitch immediately shut power OFF. Use non-conductive and chains correctly attached. Uncoupled or implements to free victim from live conductor. Apply unchained towing could result in death or serious first aid and get medical help. -
Page 8: Battery Hazards
Introduction and Safety Battery Hazards DANGER Electrocution. Do not wear jewelry while working on this equipment. Doing so will result in death or serious injury. (000188) WARNING (000137a) WARNING Explosion. Do not dispose of batteries in a fire. Batteries are explosive. Electrolyte solution can cause burns and blindness. -
Page 9: General Information
General Information Section 2 General Information Component Locations 002783 Figure 2-1. Features and Controls Table 2-1. Generator Components Central Lift Point Oil Drain Port Voltage Selector Switch Access Fuel Fill Generator Access Control Panel Access Manual Holder Access Emergency Stop Switch Engine Exhaust M Handle Front Hood Latch... -
Page 10: Unit And Serial Number Locations
General Information Unit and Serial Number Locations Coolant Recommendation Figure 2-2 to locate the unit ID tag (A) and Vehicle DANGER Identification Number (VIN) (B). Important information, such as the unit model number, serial Risk of poisoning. Do not use mouth to number, VIN and tire loading information is found on siphon coolant. -
Page 11: Control Panel
General Information Control Panel 002785 Figure 2-3. Control Panel Component Locations Table 2-2. Control Panel Components Power Zone™ Controller 120V Inlet Receptacle Control Power Switch Generator Ground Connection Lug 50A Circuit Breakers (3) Generator Output Connection Lugs (4) 120V GFCI Receptacles (2) Door Safety Switches (2) 20A Circuit Breakers (2) M Diesel Exhaust Filter Cleaning Switch... -
Page 12: Power Zone™ Gen Controller
General Information Power Zone™ Gen Controller The Power Zone™ controller is an auto start controller that monitors the unit and indicates operational status and fault conditions. The controller can be programmed to automatically start or stop, based on time schedule, fault condition, or load demand. -
Page 13: Controller Features And Functions
General Information Controller Features and Functions gauge at all times. The gauge registers oil pressure between 0-100 psi (0-689 kPa). Normal operating pressure is between 35-80 psi (241-552 kPa). Home Button • Coolant Temp: Displays engine coolant The Home ( ) button is the default screen of the temperature. -
Page 14: Maintenance Screens
General Information can electronically adjust the voltage within limits to Engine STOP/RESET Button prevent under-voltage or over-voltage conditions using WARNING the on-screen instructions. This feature replaces a traditional potentiometer. See Fine Voltage Adjustment In case of an emergency, press the for more information. - Page 15 General Information Engine Tab Alarms Tab Engine contains maintenance The Alarms tab displays warnings, electrical trip, instrumentation data gathered from the engine. Above shutdown alarms and any engine Diagnostic Trouble the engine analogue meters is a row of alarm icons. Each Codes (DTC) that are occurring or have occurred icon can be one of three colors: gray (inactive), yellow previously.
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Page 16: Generator Monitoring
General Information SITE GENSET 7741 \ 7740 SITE GENSET 7741 \ 7740 480V/277V 3-Phase 07:10 480V/277V 3-Phase 07:10 Return Delay 10:00:00 Total Generator Return Delay 10:00:00 Total Generator kWh+ kWh+ kVAr kVAh kVAr kVAh 0.00 kVAr kVArh 0.00 kVAr kVArh Scheduler Enabled to run Reserved Reserved Index Date... -
Page 17: Controller Information Displays, Functions, And Reset
General Information areas and the indicators that appear in those areas are explained here: DPF Status • HEST Lamp (High Exhaust System Temperature): This area will display Regeneration Underway indicator above the words “HEST Lamp - Solid” when the unit is in the process of diesel exhaust filter regeneration. -
Page 18: Front Hood Operation
General Information Front Hood Operation To Open the Front Hood With your right hand, grip the handle located on the WARNING front panel. With your left hand, pull the hood latch located on Crushing Hazard. Stay clear of hood and lift structure when opening and closing generator the upper corner of the hood. -
Page 19: Operation
Operation Section 3 Operation Prestart Checklist The LCD window will show the prestart diagnosis and the controller will load the unit management Before starting the unit, all items in the prestart checklist software. must be completed. This checklist applies to both manual and remote starting of the unit. -
Page 20: Auto (Remote) Starting The Unit
Operation “Manual Mode - Crank Rest” at the top of the start terminal block. This applies a ground to the screen. The engine will make two more attempts to Power Zone™ Controller to close the starting start for a total of three crank cycles. circuit contacts. -
Page 21: Transfer Switch
Operation Transfer Switch DANGER Loss of life. Property damage. Installation must always comply with applicable codes, standards, laws and regulations. Failure to do so will result in death or serious injury. (000190) DANGER Electrical backfeed. Use only approved switchgear to isolate generator from the normal power source. -
Page 22: Generator Output Connections
Operation Generator Output Connections DANGER Electrocution. Do not disable or modify the connection box door safety switch. Doing so will result in death or serious injury. (000157) DANGER Electrocution. Before connections are made to the unit, verify the main circuit breaker and battery disconnect switch are OFF. -
Page 23: Voltage Selector Switch
Operation Voltage Selector Switch NOTE: The version is also displayed in the top left corner of the Configuration menu. See Accessing the WARNING Configuration Menu. Electric Shock. Never change the voltage After verifying the unit has V4 or higher of the Power selector switch while the engine is running or Zone™... -
Page 24: Changing Back To 208V Configuration
Operation Changing Back to 208V Configuration NOTE: When the voltage selector switch is in position for 480/277V 3Ø, voltage at the two GFCI receptacles is 139 When finished with the 240V settings, change the alarm volts and the voltage at the three twist-lock receptacles is settings back for the 208V configuration. -
Page 25: Exhaust Filter Cleaning Operations
Operation Exhaust Filter Cleaning Operations Force a Manual Exhaust Filter Cleaning If running the unit with the exhaust filter cleaning function WARNING disabled, the DPF Status screen may display a red alarm, prompting the operator to force a manual exhaust filter Risk of Burn. -
Page 26: Set The Controller Clock
Operation Set the Controller Clock Setting Up a Daily Scheduled Run The schedule runs based off the time set in the controller Enable the Scheduler. clock. Use the following procedure to set the controller Set RUN mode to Weekly. clock before setting the schedule: Set Load to preferred method. -
Page 27: Emergency Stop Switch
Operation Emergency Stop Switch WARNING In case of an emergency, press the emergency stop button to stop the engine immediately. Failure to do so could result in death or serious injury. (000298) CAUTION Equipment Damage. The emergency stop switch is not to be used to power down the unit under 002816 normal operating circumstances. -
Page 28: Lifting The Unit
Operation Lifting the Unit A central lift point is located on the top of the unit. The central lift point is connected to a lift structure inside the unit. Attach a sling or hook directly to the central lift point only if the devices are in good condition and the equipment being used to raise the unit has sufficient capacity. -
Page 29: Maintenance
Maintenance Section 4 Maintenance Emissions Information • Inspect condition of electrical cords. DO NOT use the unit if insulation is cut or worn through. For emissions information, see the OEM engine manual. • Verify the condition of the air filter by viewing the level of the vacuum draw on the filter minder Daily Walk Around Inspection gauge. - Page 30 Maintenance Table 4-1. Basic Maintenance Schedule 100 Hrs. Every Every Every Every (Break-In 3000 Item Daily 1000 Period Hrs./12 Hrs./36 Required Hrs. Hrs. Only) Months Months Check Oil Level Check Coolant Level Check Fuel Level Check Tire Pressure ...
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Page 31: Engine Break-In Requirements
Maintenance Engine Break-In Requirements Exhaust Filter Service Requirements NOTE: During the first 20 hours of operation, avoid long WARNING periods of no load or sustained maximum load operation. If the generator is to run for longer than five minutes Risk of Burn. Stay clear of the exhaust system during operation and exhaust filter cleaning. -
Page 32: Checking Generator Drive Plate Torque
Maintenance Checking Generator Drive Plate Torque Grease Follow the procedure below to check the torque of the generator drive plate bolts in accordance with the maintenance chart. Disconnect battery. Remove generator fan guard. Torque each of the drive plate bolts to the appropriate specification shown in the table below. -
Page 33: Troubleshooting
Troubleshooting Section 5 Troubleshooting General Troubleshooting This information is intended to be a check or verification for simple causes that can be located and fixed. It does not cover all types of problems. See the engine operator’s manual for additional troubleshooting information. Procedures that require in-depth knowledge or skills should be referred to a trained technician. - Page 34 Troubleshooting This page intentionally left blank. Owner’s Manual for Generator...
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Page 35: Wiring Diagrams And Service Log
Wiring Diagrams and Service Log Section 6 Wiring Diagrams and Service Log AC Wiring - 3 Position Voltage Selector Switch 120V 120V MECHANICAL LUGS GFCI GFCI RECPT RECPT 120V 120V BRKER BRKER GROUND GRN/YEL TO GEN FRAME GRN/YEL GRN/YEL GRN/YEL GRN/YEL MAIN CIRCUIT... -
Page 36: Ac Wiring - 4 Position Voltage Selector Switch Option
Wiring Diagrams and Service Log AC Wiring - 4 Position Voltage Selector Switch Option MECHANICAL LUGS 20 AMP 20 AMP G.F.I. G.F.I. 20 AMP 20 AMP OUTLET OUTLET GRN/YEL 14GA GRN/YEL 14GA GRN/YEL 10GA GRN/YEL 10GA CIRCUIT GRN/YEL 10GA GROUND BREAKER TO GEN FRAME CIRCUIT... -
Page 37: Ac Wiring Options
Wiring Diagrams and Service Log AC Wiring Options 90415_T_06.17.15 Owner’s Manual for Generator... -
Page 38: Pmg Wiring Option
Wiring Diagrams and Service Log PMG Wiring Option 90672_A_05.09.16 Owner’s Manual for Generator... -
Page 39: Dc Wiring
Wiring Diagrams and Service Log DC Wiring 90438_I_02.18.16 Owner’s Manual for Generator... -
Page 40: Dc Wiring Options
Wiring Diagrams and Service Log DC Wiring Options 90416_N_11.20.14 Owner’s Manual for Generator... -
Page 41: Low Oil Level Wiring Option
Wiring Diagrams and Service Log Low Oil Level Wiring Option CONN-2 CONN-2 DEUTSCH DEUTSCH 21 PIN 31 PIN SWITCH CONTROLLER PIN 66 (7310) WT/BL WT/BL SPLICE CONTROLLER PIN 68 (PZ) CONN-2 CONN-2 DEUTSCH DEUTSCH 21 PIN 31 PIN BK/WT BK/WT 90611_ORG_12.03.14 Battery Charger Wiring Option EDISON PLUG... -
Page 42: Wiring Block Diagram - Dedicated 12 Lead Generators Option
Wiring Diagrams and Service Log Wiring Block Diagram - Dedicated 12 Lead Generators Option 90302_A_11.06.12 Owner’s Manual for Generator... -
Page 43: Trailer Lights Wiring
Wiring Diagrams and Service Log Trailer Lights Wiring TRAILER PLUG TRAILER PLUG AMBER AMBER MARKER MARKER LAMP LAMP MARKER MARKER LAMP LAMP WHITE MARKER LAMP STOP-TURN STOP-TURN SIGNAL LAMP SIGNAL LAMP (LEFT) (RIGHT) 90431_ORG_09.11.12 Owner’s Manual for Generator... -
Page 44: Wiring Harness - Electric Brake Option
Wiring Diagrams and Service Log Wiring Harness - Electric Brake Option 90286_E_03.18.14 Owner’s Manual for Generator... -
Page 45: Service Log
Wiring Diagrams and Service Log Service Log OIL GRADE: _____________________________________ BRAND: __________________________________ COOLANT MIXTURE: _____________________________ BRAND: __________________________________ __________________________________________________________________________________________ __________________________________________________________________________________________ __________________________________________________________________________________________ __________________________________________________________________________________________ __________________________________________________________________________________________ __________________________________________________________________________________________ __________________________________________________________________________________________ __________________________________________________________________________________________ __________________________________________________________________________________________ Hours to Coolant Hours to Coolant Date Oil Level Date Oil Level Service Level Service Level Owner’s Manual for Generator... - Page 46 Wiring Diagrams and Service Log NOTES ___________________________________________________________________________ ___________________________________________________________________________ ___________________________________________________________________________ ___________________________________________________________________________ ___________________________________________________________________________ ___________________________________________________________________________ ___________________________________________________________________________ ___________________________________________________________________________ ___________________________________________________________________________ ___________________________________________________________________________ ___________________________________________________________________________ ___________________________________________________________________________ ___________________________________________________________________________ ___________________________________________________________________________ ___________________________________________________________________________ ___________________________________________________________________________ ___________________________________________________________________________ ___________________________________________________________________________ ___________________________________________________________________________ ___________________________________________________________________________ ___________________________________________________________________________ ___________________________________________________________________________ ___________________________________________________________________________ ___________________________________________________________________________ ___________________________________________________________________________ ___________________________________________________________________________ ___________________________________________________________________________ ___________________________________________________________________________ Owner’s Manual for Generator...
- Page 48 Part No. 33701 Rev. D 05/27/16 Generac Mobile Products LLC ©2016 Generac Mobile Products LLC. All rights reserved 215 Power Drive Specifications are subject to change without notice. Berlin, WI 54923 No reproduction allowed in any form without prior written 1-800-926-9768 consent from Generac Mobile Products LLC.
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