Generac MMG45FHKCAN6 Operating instructions

Brand: Generac

Model: MMG45FHKCAN6

Category: Power generators

Type: Operating instructions

This manual is also suitable for

Parts manuals available online! www.m-p-llc.com

POWER PRODUCTS LLC

DIESEL GENERATOR

MMG25FHICAN6 • MMG35FHDCAN6

www m-p-llc com

MMG45FHKCAN6 • MMG55FHDCAN6

OPERATING MANUAL

INTRODUCTION

This manual provides information and procedures to safely operate and maintain the engine and generator. For your

own safety and protection from physical injury, carefully read, understand, and observe the safety instructions

described in this manual. The information contained in this manual was based on machines in production at the time

of publication. Magnum Power Products LLC reserves the right to change any portion of this information without notice.

DO NOT MODIFY or use this equipment for any application other than which it was designed for.

Magnum Power Products LLC recommends that a trained and licensed professional perform all electrical wiring and

testing functions. Any wiring should be in compliance with the United States National Electric Code (NEC), state and

local codes, and Occupational Safety and Health Association (OSHA) guidelines.

Keep a copy of this manual with the unit at all times. Additional copies are available from Magnum Power Products

LLC, or can be found at www.m-p-llc.com. An engine operator’s manual is supplied with the unit at the time of

shipment from the factory. The manual provides detailed operation and maintenance procedures for the engine.

Additional copies of the engine operator’s manual are available from the engine manufacturer.

MAGNUM POWER PRODUCTS LLC

215 Power Drive • Berlin, WI 54923

U.S.A.

Phone: 920-361-4442

FAX: 920-361-4416

Toll Free: 1-800-926-9768

www.m-p-llc.com

For technical or parts QUESTIONS, please contact the Magnum Power Products LLC Customer

Support or Technical Support team at 1-800-926-9768. Please have your serial number available.

To ORDER SERVICE PARTS, please contact the dealer from which you purchased the unit, or call

Magnum Power Products LLC to locate a dealer in your area.

Engine Make:__________________________________________

Engine Serial Number:___________________________________

Engine Model Number: __________________________________

Generator Make: _______________________________________

Generator Model Number: ________________________________

Generator Serial Number: ________________________________

Unit Model Number:_____________________________________

Unit Serial Number: _____________________________________

WARNING

CALIFORNIA PROPOSITION 65 WARNING: Diesel engine exhaust and some of its

constituents are known to the state of California to cause cancer, birth defects and

other reproductive harm.

TABLE OF CONTENTS

Page

INTRODUCTION ................................................................................................................................ 2

SAFETY NOTES ................................................................................................................................ 5

OPERATING SAFETY ....................................................................................................................... 5

ENGINE SAFETY............................................................................................................................... 6

ELECTRICAL SAFETY ...................................................................................................................... 6

TOWING SAFETY.............................................................................................................................. 7

REPORTING TRAILER SAFETY DEFECTS ..................................................................................... 7

SAFETY SYMBOL SUMMARY .......................................................................................................... 8

SPECIFICATIONS - MMG25FHICAN6 .............................................................................................. 9

SPECIFICATIONS - MMG35FHDCAN6........................................................................................... 10

SPECIFICATIONS - MMG45FHKCAN6........................................................................................... 11

SPECIFICATIONS - MMG55FHDCAN6........................................................................................... 12

UNIT DIMENSIONS ......................................................................................................................... 13

UNIT SERIAL NUMBER LOCATIONS ............................................................................................. 14

COMPONENT LOCATIONS ............................................................................................................ 15

MAIN CONTROL PANEL FEATURES ............................................................................................. 16

MAGNUM DIGITAL CONTROLLER (MDC) ..................................................................................... 18

DIGITAL CONTROLLER FEATURES AND FUNCTIONS ............................................................... 18

GENERATOR MONITORING .......................................................................................................... 19

ENGINE MONITORING ................................................................................................................... 20

WET STACKING .............................................................................................................................. 21

FINE VOLTAGE ADJUSTMENT ..................................................................................................... 21

LOWERING THE TRAILER TONGUE ............................................................................................. 22

FRONT HOOD OPERATION ........................................................................................................... 23

REAR HOOD OPERATION.............................................................................................................. 24

PRE-START CHECKLIST ................................................................................................................ 26

ENGINE BREAK-IN REQUIREMENTS............................................................................................ 26

MANUAL STARTING OF THE GENERATOR ................................................................................. 26

“AUTO” (REMOTE) STARTING OF THE GENERATOR ................................................................. 28

SHUTTING DOWN THE GENERATOR........................................................................................... 29

MDC CONTROLLER INFORMATION DISPLAYS, FUNCTIONS AND RESET .............................. 29

MAGNUM DIGITAL CONTROLLER (MDC) - GENERATOR OPERATIONAL STATUS ................. 29

MAGNUM DIGITAL CONTROLLER (MDC) - ALARM MANAGEMENT........................................... 30

MAGNUM DIGITAL CONTROLLER (MDC) - LIST OF ALARMS .................................................... 30

MAGNUM DIGITAL CONTROLLER (MDC) - HISTORY.................................................................. 31

MMG ENGINE CONTROLLER ........................................................................................................ 31

JOHN DEERE ECU INFORMATION DISPLAYS AND FUNCTIONS (MMG55FHDCAN6 ONLY) .. 32

ADJUSTING THE DISPLAY BACKLIGHTING ................................................................................. 32

RESETTING THE “TIME TO SERVICE” REMINDER...................................................................... 33

TROUBLESHOOTING AUTOMATIC SHUTDOWN CONDITIONS ................................................. 33

GENERATOR OUTPUT CONNECTION LUGS ............................................................................... 34

GENERATOR CAM LOCK CONNECTIONS OPTION..................................................................... 35

VOLTAGE SELECTOR SWITCHES ................................................................................................ 36

4-POSITION VOLTAGE SELECTOR SWITCH OPTION................................................................. 38

EMERGENCY STOP SWITCH ........................................................................................................ 40

MAIN CIRCUIT BREAKER............................................................................................................... 40

GENERATOR BOX CIRCUIT BREAKERS ...................................................................................... 40

VOLTAGE REGULATION ................................................................................................................ 40

CUSTOMER CONVENIENCE RECEPTACLES .............................................................................. 41

DERATING FOR ALTITUDE ............................................................................................................ 41

REMOTE START TERMINAL BLOCK ............................................................................................. 41

TRANSFER SWITCH ....................................................................................................................... 42

AUTO EXERCISE TIMER ................................................................................................................ 43

DAILY WALK AROUND INSPECTION ............................................................................................ 43

ENGINE AND GENERATOR MAINTENANCE ................................................................................ 43

BASIC MAINTENANCE SCHEDULE (ISUZU ENGINE) .................................................................. 44

BASIC MAINTENANCE SCHEDULE (KUBOTA ENGINE) .............................................................. 45

BASIC MAINTENANCE SCHEDULE (JOHN DEERE ENGINE)...................................................... 46

BELT TENSIONERS ........................................................................................................................ 47

LIFTING THE GENERATOR............................................................................................................ 47

TOWING THE TRAILER .................................................................................................................. 47

TRAILER WHEEL BEARINGS ......................................................................................................... 48

JACK MAINTENANCE ..................................................................................................................... 48

CHECKING GENERATOR DRIVE PLATE TORQUE ...................................................................... 48

VISCOUS FAN CLUTCH.................................................................................................................. 49

AUXILIARY FUEL TANK OPTION ................................................................................................... 49

FUEL TRANSFER PUMP OPTION.................................................................................................. 49

AC WIRING DIAGRAM .................................................................................................................... 50

AC WIRING DIAGRAMS FOR OPTIONAL EQUIPMENT................................................................ 51

DC WIRING DIAGRAM - MMG25FHICAN6..................................................................................... 52

DC WIRING DIAGRAM - MMG35FHDCAN6, MMG45FHKCAN6.................................................... 53

DC WIRING DIAGRAM - MMG55FHDCAN6 ................................................................................... 54

DC WIRING DIAGRAMS FOR OPTIONAL EQUIPMENT................................................................ 55

TRAILER LIGHTS WIRING DIAGRAM ............................................................................................ 56

WIRING HARNESS - ELECTRIC BRAKE OPTION......................................................................... 57

SERVICE LOG ................................................................................................................................. 58

NOTES ............................................................................................................................................. 59

SAFETY NOTES

This is the safety alert symbol. It is used to alert you to potential personal injury hazards. Obey all safety

messages that follow this symbol to avoid possible injury or death.

This manual contains DANGERS, WARNINGS, CAUTIONS, NOTICES and NOTES which must be

followed to prevent the possibility of improper service, damage to the equipment, personal injury or death.

The following formatting options will apply when calling the readers attention to the DANGERS, WARN-

INGS, CAUTIONS, NOTICES and NOTES.

DANGER

INDICATES A HAZARDOUS SITUATION WHICH, IF NOT AVOIDED, WILL RESULT IN

DEATH OR SERIOUS INJURY.

WARNING

Indicates a hazardous situation which, if not avoided, could result in death or serious

injury.

CAUTION

Indicates a hazardous situation which, if not avoided, may result in minor or moderate injury.

Indicates a hazardous situation which, if not avoided, may result in property or equipment

damage.

Note: Notes contain additional information important to a procedure and will be found within the regular text body

of this manual.

OPERATING SAFETY

Before using the generator be sure to read and understand all of the instructions! This equipment was

designed for specific applications; DO NOT modify or use this equipment for any application other than

which it was designed for. Equipment operated improperly or by untrained personnel can be dangerous!

Read the operating instructions and familiarize yourself with the location and proper use of all instruments

and controls. Inexperienced operators should receive instruction from someone familiar with the equipment

before being allowed to operate or set up the generator. The following points should be practiced at all times:

• The area immediately surrounding the generator should be dry, clean, and free of debris.

• NEVER start a unit in need of repair.

• Make certain the generator is securely fastened to a good earthen ground before use.

• NEVER operate unit on a combustible surface.

• NEVER operate the generator if any of the following conditions exist during operation:

1. Noticeable change in engine speed.

2. Loss of electrical output.

3. Equipment connected to the generator overheats.

4. Sparking occurs.

5. Engine misfires or there is excessive engine/generator vibration.

6. Protective covers are loose or missing.

7. If the ambient air temperature is above 120°F (49°C).

• Make sure slings, chains, hooks, ramps, jacks, and other types of lifting devices are attached securely

and have enough weight-bearing capacity to lift or hold the equipment safely. Always remain aware

of the position of other people around you when lifting the equipment.

• NEVER operate a unit while tired, distracted, or under the influence of drugs or alcohol.

ENGINE SAFETY

Internal combustion engines present special hazards during operation and fueling! Failure to follow the

safety guidelines described below could result in severe injury or death. Read and follow all safety warnings

described in the engine operator's manual. A copy of this manual was supplied with unit when it was

shipped from the factory.

• DO NOT run engine indoors or in an area with poor ventilation. Diesel engine exhaust contains carbon

monoxide, a deadly, odorless and colorless gas which, if inhaled, can cause nausea, fainting or death.

Only use this unit outside and away from windows, doors, and ventilation equipment.

• DO NOT fill fuel tank near an open flame, while smoking, or while engine is running. DO NOT fill tank

in an enclosed area with poor ventilation.

• DO NOT operate with the fuel tank cap loose or missing.

• DO NOT touch or lean against hot exhaust pipes or engine cylinders.

• DO NOT clean air filter with gasoline or other types of low flash point solvents.

• DO NOT remove engine coolant cap while engine is hot.

• DO NOT operate the unit without a functional exhaust system. Prolonged exposure to sound levels

in excess of 85 dB(A) can cause permanent hearing loss. Wear hearing protection when working

around a running engine.

• Keep hands, feet and loose clothing away from moving parts on the generator and engine.

• Keep area around exhaust pipes and air ducts free of debris to reduce the chance of an accidental fire.

• Batteries contain sulfuric acid which can cause severe injury or death. Sulfuric acid can cause eye

damage, burn flesh or eat holes in clothing. Protective eye wear and clothing are necessary when

working on or around the battery. Always disconnect the negative (-) battery cable from the

corresponding terminal before performing any service on the engine or other components.

ELECTRICAL SAFETY

The unit is powered by a generator driven by a diesel engine. While the engine is running, potentially

lethal voltages are present at the 120V Ground Fault Circuit Interrupt (GFCI) receptacles and the 240V

twist-lock receptacles located on the control panel, and at the connection lugs and optional cam lock

receptacles. Failure to follow the safety guidelines described below could result in severe injury or death.

• Only a qualified and licensed electrician should make connections to the generator.

• NEVER wash the unit with any high pressure hoses or power washers.

• NEVER start the unit under load. The circuit breakers must be in the “OFF” position when starting the

unit in “MANUAL” mode. The circuit breakers can be in the “ON” position only when started in the

“AUTO” mode. A transfer switch must be used in the “AUTO” mode to deflect the load upon startup.

• ALWAYS disconnect the negative (-) battery cable from the corresponding terminal before performing

any service on the engine, generator or any other components. Remove the negative (-) battery cable

from the corresponding terminal if the unit is to be stored or transported.

• ALWAYS use extreme caution when servicing this unit in damp conditions. Do not service the unit if

your skin or clothing is wet. Do not allow water to collect around the base of the unit.

• ALWAYS connect the unit to a good earthen ground before use. Follow any local, state or United

States National Electric Code (NEC) guidelines.

TOWING SAFETY

Towing a trailer requires care! Both the trailer and vehicle must be in good condition and securely fastened

to each other to reduce the possibility of an accident. Also, some states require that large trailers be

registered and licensed. Contact your local Department of Transportation office to check on license

requirements for your particular unit.

• Check that the hitch and coupling on the towing vehicle are rated equal to, or greater than, the trailer's

Gross Vehicle Weight Rating (GVWR).

• Check tires on trailer for tread wear, inflation, and condition.

• NEVER tow trailer using defective parts! Inspect the hitch and coupling for wear or damage.

• Make sure the trailer hitch and the coupling are compatible. Make sure the coupling is securely fastened

to the vehicle.

• Connect safety chains in a crossing pattern under the tongue and ATTACH THE BREAKAWAY

CABLE TO THE REAR BUMPER OF THE TOWING VEHICLE. Do not attach the cable to the trailer

hitch.

• Make sure directional and brake lights on the trailer are connected and working properly.

• Check that lug nuts holding wheels are tight and that none are missing.

• Maximum recommended speed for highway towing is 45 mph (72 km/h). Recommended off-road

towing speed is not to exceed 10 mph (16 km/h) or less, depending on terrain.

Before towing the trailer, check that the weight of the trailer is equal across all tires. On trailers with

adjustable height hitches, adjust the angle of the trailer tongue to keep the trailer as level as possible. On

units equipped with a tandem axle trailer, a large angle between the trailer and tow vehicle will cause more

weight to be carried by one axle, which could cause premature wear on the tires and axles and cause

potentially unsafe operating conditions.

The trailer is equipped with hydraulic surge brakes or electric surge brakes. Check the operation of the

brakes by braking the vehicle at a slow speed before entering traffic. Both the trailer and the vehicle should

brake smoothly. If the trailer seems to be pushing, check the level in the surge brake fluid reservoir.

When towing, maintain extra space between vehicles and avoid soft shoulders, curbs and sudden lane

changes. If you have not pulled a trailer before, practice turning, stopping, and backing up in an area away

from heavy traffic.

A film of grease on the coupler will extend coupler life and eliminate squeaking. Wipe the coupler clean

and apply fresh grease each time the trailer is towed.

REPORTING TRAILER SAFETY DEFECTS

If you believe your trailer has a defect which could cause a crash or could cause injury or death, you should immediately

inform the National Highway Traffic Safety Administration (NHTSA) in addition to notifying Magnum Power Products

LLC.

If NHTSA receives similar complaints, it may open an investigation; and if it finds that a safety defect exists in a group

of vehicles, it may order a recall and remedy campaign. However, NHTSA cannot become involved in individual

problems between you, your dealer, or Magnum Power Products LLC.

To contact NHTSA, you may either call the Auto Safety Hotline toll-free at 1-888-327-4236 (TTY:1-800-424-9153),

go to http://www.safercar.gov; or write to:

Administrator

NHTSA

1200 New Jersey Avenue S.E.

Washington, DC 20590

You can also obtain other information about motor vehicle safety from http://www.safercar.gov.

SAFETY SYMBOL SUMMARY

This equipment has been supplied with numerous safety and operating decals. These decals provide important

operating instructions and warn of dangers and hazards. Replace any missing or hard-to-read decals and use care

when washing or cleaning the unit. Decal placement and part numbers can be found in the parts manual. Below is

a summary of the intended meanings for the symbols used on the decals.

Hot surface(s) nearby.

Fire/explosion hazard; keep

open flames away from unit.

Read and understand the

supplied operator’s manual

before operating unit.

Remove negative battery

cable before performing

any service on unit.

Stop engine before making

connections.

Use clean diesel fuel only.

Unit electrical ground.

Hearing protection required

while operating unit with doors

open.

Anchor/tie down point.

Lift here only.

Asphyxiation hazard; operate

in well ventilated area.

Dangerous voltage may be

present.

Never change position of voltage

selector switch while engine is

running.

Burn/scald hazard;

pressurized steam.

Fan hazard; keep body parts

clear of this area.

Pinch/crush hazard; keep body

parts clear of this area.

Isolate generator to prevent

electrocution hazard.

Belt/entanglement hazard; keep

body parts clear of this area.

Safety alert symbol; used to

alert you to potential personal

injury hazards.

Stop engine before fueling.

Engine running.

SPECIFICATIONS - MMG25FHICAN6

Read this manual carefully before attempting to use this generator. The potential for property damage, personal

injury or death exists if this equipment is misused or installed incorrectly. Read all of the manuals included with this

unit. Each manual details specific information regarding items such as setup, use and service requirements.

SPECIFICATIONS ARE SUBJECT TO CHANGE WITHOUT NOTICE.

MAGNUM MODEL MMG25FHICAN6

Engine

Make/Brand.............................................................................................................................Isuzu

Model ......................................................................................................................................4LE1NYGV-03

Horsepower - prime hp (kW) .................................................................................................32.1 (23.9)

Horsepower - standby hp (kW) ..............................................................................................35.3 (26.3)

Operating Speed rpm ............................................................................................................1800

Displacement in

(L) ..............................................................................................................134 (2.2)

Cylinders - qty .........................................................................................................................4

Fuel Consumption - 100% prime gph (Lph) ..........................................................................1.8 (6.8)

Battery Type............................................................................................................................Group 24

Battery Voltage (Quantity per Unit) .........................................................................................12V (1)

Battery Rating .........................................................................................................................720 CCA

Generator

Make/Brand.............................................................................................................................Marathon Electric

Model ......................................................................................................................................282PSL5255

Type, Insulation.......................................................................................................................Brushless, H

Generator Set (Engine/Generator)

600V (3Ø) 480V (3Ø) 208V (3Ø) 240V (1Ø)

3Ø - Standby kW (kVA) ........................21 (26)............... 20 (25)............... 17 (21) ...............0 (0)

Amps - 3Ø Standby A ...........................25 ...................... 30 ...................... 59.......................0

3Ø - Prime kW (kVA) ...........................19 (24) ............... 19 (24)............... 16 (20) ...............0 (0)

Amps - 3Ø Prime A...............................23 ...................... 29 ...................... 56.......................0

1Ø - Standby kW (kVA).........................0 (0)................... 0 (0)................... 0 (0) ...................10 (10)

Amps - 1Ø Standby - 240V A................0 ........................ 0 ........................ 0.........................40

1Ø - Prime kW (kVA) ............................0 (0) ................... 0 (0)................... 0 (0) ...................9 (9)

Amps - 1Ø Prime - 240V A ...................0 ........................ 0 ........................ 0.........................38

Frequency Hz .........................................................................................................................60

Power Factor...........................................................................................................................1 (1Ø), 0.8 (3Ø)

Sound dB(A) 23 ft @ prime ..................................................................................................66

Weights

Dry Weight, Skid Mounted lbs (kg) ........................................................................................2048 (929)

Operating Weight, Skid Mounted lbs (kg) .............................................................................2517 (1142)

Dry Weight, Trailer Mounted* lbs (kg) ...................................................................................2289 (1038)

Operating Weight, Trailer Mounted* lbs (kg) .........................................................................2758 (1251)

*Standard single axle trailer only. Consult factory for dual axle or custom trailer weights.

Capacities

Fuel Tank Volume gal (L) .......................................................................................................106 (401)

Usable Fuel Volume gal (L) ...................................................................................................95 (360)

Coolant (incl. engine) qt (L) ...................................................................................................12.0 (11.4)

Oil (incl. filter) qt (L) ...............................................................................................................8.6 (8.1)

Maximum Run Time hrs ........................................................................................................45.4

AC Distribution

Circuit Breaker Size ................................................................................................................90

Voltage Selection ....................................................................................................................3 Position Switch (lockable)

Voltage Regulation ..................................................................................................................+/- 1%

Voltages Available 1Ø .............................................................................................................120, 139, 208, 220, 240, 277

Voltages Available 3Ø .............................................................................................................208, 220, 440, 480, 600

Trailer

Number of Axles .....................................................................................................................1

Capacity - Axle Rating lbs (kg)

..............................................................................................3500 (1588)

Tire Size in .............................................................................................................................15

Brakes.....................................................................................................................................N/A

Hitch - Standard ......................................................................................................................2" Ball

Maximum Tire Pressure psi ...................................................................................................50

SPECIFICATIONS - MMG35FHDCAN6

Read this manual carefully before attempting to use this generator. The potential for property damage, personal

injury or death exists if this equipment is misused or installed incorrectly. Read all of the manuals included with this

unit. Each manual details specific information regarding items such as setup, use and service requirements.

SPECIFICATIONS ARE SUBJECT TO CHANGE WITHOUT NOTICE.

MAGNUM MODEL MMG35FHDCAN6

Engine

Make/Brand.............................................................................................................................John Deere

Model ......................................................................................................................................PE4024TF281

Horsepower - prime hp (kW) .................................................................................................43 (32)

Horsepower - standby hp (kW) ..............................................................................................48 (36)

Operating Speed rpm ............................................................................................................1800

Displacement in

(L) ..............................................................................................................149 (2.4)

Cylinders - qty .........................................................................................................................4

Fuel Consumption - 100% prime gph (Lph) ..........................................................................2.6 (9.8)

Battery Type............................................................................................................................Group 24

Battery Voltage (Quantity per Unit) .........................................................................................12V (1)

Battery Rating .........................................................................................................................720 CCA

Generator

Make/Brand.............................................................................................................................Marathon Electric

Model ......................................................................................................................................283PSL5256

Type, Insulation.......................................................................................................................Brushless, H

Generator Set (Engine/Generator)

600V (3Ø) 480V (3Ø) 208V (3Ø) 240V (1Ø)

3Ø - Standby kW (kVA) ........................29 (36)............... 26 (33)............... 22 (28) ...............0 (0)

Amps - 3Ø Standby A ...........................35 ...................... 39 ...................... 76.......................0

3Ø - Prime kW (kVA) ...........................26 (33) ............... 23 (29)............... 19 (24) ...............0 (0)

Amps - 3Ø Prime A...............................32 ...................... 35 ...................... 66.......................0

1Ø - Standby kW (kVA).........................0 (0)................... 0 (0)................... 0 (0) ...................11 (11)

Amps - 1Ø Standby - 240V A................0 ........................ 0 ........................ 0.........................46

1Ø - Prime kW (kVA) ............................0 (0) ................... 0 (0)................... 0 (0) ...................11 (11)

Amps - 1Ø Prime - 240V A ...................0 ........................ 0 ........................ 0.........................46

Frequency Hz .........................................................................................................................60

Power Factor...........................................................................................................................1 (1Ø), 0.8 (3Ø)

Sound dB(A) 23 ft @ prime ..................................................................................................68

Weights

Dry Weight, Skid Mounted lbs (kg) ........................................................................................2020 (916)

Operating Weight, Skid Mounted lbs (kg) .............................................................................2475 (1123)

Dry Weight, Trailer Mounted* lbs (kg) ...................................................................................2540 (1152)

Operating Weight, Trailer Mounted* lbs (kg) .........................................................................2990 (1356)

*Standard single axle trailer only. Consult factory for dual axle or custom trailer weights.

Capacities

Fuel Tank Volume gal (L) .......................................................................................................106 (401)

Usable Fuel Volume gal (L) ...................................................................................................95 (360)

Coolant (incl. engine) qt (L) ...................................................................................................16.0 (15.1)

Oil (incl. filter) qt (L) ...............................................................................................................8.5 (8.0)

Maximum Run Time hrs ........................................................................................................36.9

AC Distribution

Circuit Breaker Size ................................................................................................................125

Voltage Selection ....................................................................................................................3 Position Switch (lockable

Voltage Regulation ..................................................................................................................+/- 1%

Voltages Available 1Ø .............................................................................................................120, 139, 208, 220, 240, 277

Voltages Available 3Ø .............................................................................................................208, 220, 440, 480, 600

Trailer

Number of Axles .....................................................................................................................1

Capacity - Axle Rating lbs (kg)

..............................................................................................3500 (1588)

Tire Size in .............................................................................................................................15

Brakes.....................................................................................................................................Surge

Hitch - Standard ......................................................................................................................2" Ball

Maximum Tire Pressure psi ...................................................................................................50

SPECIFICATIONS - MMG45FHKCAN6

Read this manual carefully before attempting to use this generator. The potential for property damage, personal

injury or death exists if this equipment is misused or installed incorrectly. Read all of the manuals included with this

unit. Each manual details specific information regarding items such as setup, use and service requirements.

SPECIFICATIONS ARE SUBJECT TO CHANGE WITHOUT NOTICE.

MAGNUM MODEL MMG45FHKCAN6

Engine

Make/Brand.............................................................................................................................Kubota

Model ......................................................................................................................................V3600-T-E3BG

Horsepower - prime hp (kW) .................................................................................................53 (39)

Horsepower - standby hp (kW) ..............................................................................................58 (43)

Operating Speed rpm ............................................................................................................1800

Displacement in

(L) ..............................................................................................................221 (3.6)

Cylinders - qty .........................................................................................................................4

Fuel Consumption - 100% prime gph (Lph) ..........................................................................3.0 (11.4)

Battery Type............................................................................................................................Group 24

Battery Voltage (Quantity per Unit) .........................................................................................12V (1)

Battery Rating .........................................................................................................................720 CCA

Generator

Make/Brand.............................................................................................................................Marathon Electric

Model ......................................................................................................................................284PSL5258

Type, Insulation.......................................................................................................................Brushless, H

Generator Set (Engine/Generator)

600V (3Ø) 480V (3Ø) 208V (3Ø) 240V (1Ø)

3Ø - Standby kW (kVA) ........................37 (46)............... 37 (46)............... 32 (40) ...............0 (0)

Amps - 3Ø Standby A ...........................44 ...................... 55 ...................... 111 .....................0

3Ø - Prime kW (kVA) ...........................34 (42) ............... 32 (40)............... 27 (34) ...............0 (0)

Amps - 3Ø Prime A...............................40 ...................... 48 ...................... 94.......................0

1Ø - Standby kW (kVA).........................0 (0)................... 0 (0)................... 0 (0) ...................17 (17)

Amps - 1Ø Standby - 240V A................0 ........................ 0 ........................ 0.........................71

1Ø - Prime kW (kVA) ............................0 (0) ................... 0 (0)................... 0 (0) ...................15 (15)

Amps - 1Ø Prime - 240V A ...................0 ........................ 0 ........................ 0.........................63

Frequency Hz .........................................................................................................................60

Power Factor...........................................................................................................................1 (1Ø), 0.8 (3Ø)

Sound dB(A) 23 ft @ prime ..................................................................................................68

Weights

Dry Weight, Skid Mounted lbs (kg) ........................................................................................2329 (1056)

Operating Weight, Skid Mounted lbs (kg) .............................................................................3082 (1398)

Dry Weight, Trailer Mounted* lbs (kg) ...................................................................................2853 (1294)

Operating Weight, Trailer Mounted* lbs (kg) .........................................................................3606 (1636)

*Standard single axle trailer only. Consult factory for dual axle or custom trailer weights.

Capacities

Fuel Tank Volume gal (L) .......................................................................................................106 (401)

Usable Fuel Volume gal (L) ...................................................................................................95 (360)

Coolant (incl. engine) qt (L) ....................................................................................................17.5 (16.6)

Oil (incl. filter) qt (L) ...............................................................................................................14.5 (13.7)

Maximum Run Time hrs ........................................................................................................31

AC Distribution

Circuit Breaker Size ................................................................................................................200

Voltage Selection ....................................................................................................................3 Position Switch (lockable)

Voltage Regulation ..................................................................................................................+/- 1%

Voltages Available 1Ø .............................................................................................................120, 139, 208, 220, 240, 277

Voltages Available 3Ø .............................................................................................................208, 220, 440, 480, 600

Trailer

Number of Axles .....................................................................................................................1

Capacity - Axle Rating lbs (kg)

..............................................................................................5000 (2268)

Tire Size in .............................................................................................................................15

Brakes.....................................................................................................................................Surge

Hitch - Standard ......................................................................................................................2" Ball

Maximum Tire Pressure psi ...................................................................................................65

SPECIFICATIONS - MMG55FHDCAN6

Read this manual carefully before attempting to use this generator. The potential for property damage, personal

injury or death exists if this equipment is misused or installed incorrectly. Read all of the manuals included with this

unit. Each manual details specific information regarding items such as setup, use and service requirements.

SPECIFICATIONS ARE SUBJECT TO CHANGE WITHOUT NOTICE.

MAGNUM MODEL MMG55FHDCAN6

Engine

Make/Brand.............................................................................................................................John Deere

Model ......................................................................................................................................PE4024HF285

Horsepower - prime hp (kW) .................................................................................................74 (55)

Horsepower - standby hp (kW) ..............................................................................................80 (60)

Operating Speed rpm ............................................................................................................1800

Displacement in

(L) ..............................................................................................................149 (2.4)

Cylinders - qty .........................................................................................................................4

Fuel Consumption - 100% prime gph (Lph) ..........................................................................3.6 (13.6)

Battery Type............................................................................................................................Group 24

Battery Voltage (Quantity per Unit) .........................................................................................12V (1)

Battery Rating .........................................................................................................................720 CCA

Generator

Make/Brand.............................................................................................................................Marathon Electric

Model ......................................................................................................................................285PSL5260

Type, Insulation.......................................................................................................................Brushless, H

Generator Set (Engine/Generator)

600V (3Ø) 480V (3Ø) 208V (3Ø) 240V (1Ø)

3Ø - Standby kW (kVA) ........................50 (63)............... 43 (54)............... 37 (46) ...............0 (0)

Amps - 3Ø Standby A ...........................60 ...................... 65 ...................... 128.....................0

3Ø - Prime kW (kVA) ...........................45 (56) ............... 41 (51)............... 35 (44) ...............0 (0)

Amps - 3Ø Prime A...............................54 ...................... 62 ...................... 121.....................0

1Ø - Standby kW (kVA).........................0 (0)................... 0 (0)................... 0 (0) ...................20 (20)

Amps - 1Ø Standby - 240V A................0 ........................ 0 ........................ 0.........................83

1Ø - Prime kW (kVA) ............................0 (0) ................... 0 (0)................... 0 (0) ...................19 (19)

Amps - 1Ø Prime - 240V A ...................0 ........................ 0 ........................ 0.........................79

Frequency Hz .........................................................................................................................60

Power Factor...........................................................................................................................1 (1Ø), 0.8 (3Ø)

Sound dB(A) 23 ft @ prime ..................................................................................................68

Weights

Dry Weight, Skid Mounted lbs (kg) ........................................................................................2570 (1170)

Operating Weight, Skid Mounted lbs (kg) .............................................................................3255 (1480)

Dry Weight, Trailer Mounted* lbs (kg) ...................................................................................3050 (1384)

Operating Weight, Trailer Mounted* lbs (kg) .........................................................................3770 (1710)

*Standard single axle trailer only. Consult factory for dual axle or custom trailer weights.

Capacities

Fuel Tank Volume gal (L) .......................................................................................................106 (401)

Usable Fuel Volume gal (L) ...................................................................................................95 (360)

Coolant (incl. engine) qt (L) ...................................................................................................18 (17)

Oil (incl. filter) qt (L) ...............................................................................................................8.5 (8.0)

Maximum Run Time hrs ........................................................................................................28.5

AC Distribution

Circuit Breaker Size ................................................................................................................225

Voltage Selection ....................................................................................................................3 Position Switch (lockable)

Voltage Regulation ..................................................................................................................+/- 1%

Voltages Available 1Ø .............................................................................................................120, 139, 208, 220, 240, 277

Voltages Available 3Ø .............................................................................................................208, 220, 440, 480, 600

Trailer

Number of Axles .....................................................................................................................1

Capacity - Axle Rating lbs (kg)

..............................................................................................5000 (2268)

Tire Size in .............................................................................................................................15

Brakes.....................................................................................................................................Surge

Hitch - Standard ......................................................................................................................2" Ball

Maximum Tire Pressure psi ...................................................................................................65

UNIT DIMENSIONS

Read this manual carefully before attempting to use this generator. The potential for property damage, personal

injury or death exists if this equipment is misused or installed incorrectly. Read all of the manuals included with this

unit. Each manual details specific information regarding items such as set up, use and service requirements.

SPECIFICATIONS ARE SUBJECT TO CHANGE WITHOUT NOTICE.

MAGNUM MODELS MMG25FHICAN6/MMG35FHDCAN6/

MMG45FHKCAN6/MMG55FHDCAN6

Dimensions (L x W x H)

Skid Mounted in (m) ........................................................................................95 x 35 x 52 (2.41 x 0.89 x 1.32)

Trailer Mounted in (m) .....................................................................................150 x 57 x 67 (3.81 x 1.45 x 1.70)

UNIT SERIAL NUMBER LOCATIONS

Refer to the locations illustrated below to find the unit ID tag and VIN tag on your unit. Important information, such

as the unit serial number, model number and Vehicle Identification Number (VIN) for your trailer are found on these

tags. Record the information from these tags, so it is available if the tags are lost or damaged. When ordering parts

or requesting technical service information, you may be asked to provide this information.

Located on control panel.

UNIT ID Tag

Serial Number

Model

KVA

FOR ELECTRICAL

EQUIPMENT ONLY.

POUR MATERIAL

ELECTRIQUE SEULEMENT.

Mfg. Code

Skidded WT (lbs/kg) rpm/freq

1 ph. 1.0PF 3 ph. .8PF 3 ph. 1.0PF

insul. class

RATING

MAGNUM POWER PRODUCTS LLC

Manufactured by

A wholly owned subsidiary of

Generac Power Systems, Inc.

215 Power Drive • Berlin, WI 54923

1-800-926-9768

VIN Tag

TIRE AND LOADING INFORMATION

RENSEIGNEMENTS SUR LES

PNEUS ET LE CHARGEMENT

SEE OWNER’S

MANUAL FOR

ADDITIONAL

INFORMATION

VOIR LE

MANUEL DE

L’USAGER

POUR

PLUS DE

RENSEIGNEMENTS

MANUFACTURED BY/FABRIQUE PAR: Magnum Power Products LLC DATE: 00/0000

GVWR/PNBV: 000KG (0000LBS) COLD INF. PRESS./

PRESS. DE

V.I.N./N.I.V.:

00000000000000000

TYPE:

TRAILER

MODEL:

XXX000

GAWR / PNBE TIRE / PNEU RIM / JANTE GONF A FROID - KPA(PSI/LPC) SGL / DUAL

EACH

AXLE

THIS VEHICLE CONFORMS TO ALL APPLICABLE STANDARDS PRESCRIBED UNDER THE U.S. FEDERAL MOTOR VEHICLE SAFETY STANDARDS(FMVSS) AND CANADIAN

MOTOR VEHICLE SAFETY REGULATIONS IN EFFECT ON THE DATE OF MANUFACTURE.

CE VEHICULE EST CONFORME A TOUTES LES NORMES QUI LUI SONT APPLICABLES EN VERTU DU REGLEMENT SUR LA SECURITE DES VEHICULES AUTOMOBILES DU CANADA EN VIGUEUR A LA DATE SA

FABRICATION.

The weight of cargo should never exceed 0000KG (0000LBS)

Le poids du chargement ne doit jamais depasser 0000KG (0000LBS)

COMPONENT LOCATIONS

Engine

Exhaust

Engine

Access

Handle

Central

Lift Point

Generator

Access

Secondary

Hood Latch

Fuel Fill

Oil Drain

Port

Front Hood

Latch

Emergency

Stop

Control Panel and

Voltage Selector

Switch Access

Radiator

Drain Port

MAIN CONTROL PANEL FEATURES

11 10

1. CONTROL PANEL LIGHT (Optional)

2. MAGNUM DIGITAL CONTROLLER (MDC): Refer to “Magnum Digital Controller (MDC)” on page 18.

3. CONTROL PANEL LIGHT SWITCH (Optional): Operates optional control panel light.

4. INTERIOR LIGHT SWITCH (Optional): Operates optional interior light.

5. 20A CIRCUIT BREAKERS: Disconnects power to the 120V GFCI receptacles.

6. 50A CIRCUIT BREAKERS: Disconnects power to the 120/240V twist-lock receptacles.

7. REMOTE START TERMINAL BLOCK: Allows the generator to be started from a remote location with a dry-

contact closure switch when the generator is used for standby or remote power.

8. 120/240V TWIST-LOCK CONVENIENCE RECEPTACLES: Allow for connecting additional loads or equipment

to the generator.

9. 120V GFCI DUPLEX CONVENIENCE RECEPTACLES: Allow for connecting additional loads or equipment to

the generator.

10. ENGINE ACCESSORY CONNECTION: Powers the battery charger and other engine accessories.

11. GENERATOR GROUND CONNECTION LUG: Allows connection to a good earthen ground per any local, state

or National Electric Code (NEC) guidelines before starting the generator.

12. GENERATOR OUTPUT CONNECTION LUGS: Allow appropriate loads to be wired directly to the generator.

13. CAM LOCK CONNECTORS (Optional): Series 16 taper nose 400A/600V cam locks are connected here. Refer

to “Generator Cam Lock Connections Option” on page 35.

14. VOLTAGE SELECTOR SWITCH: Mechanically changes the connections between the generator output leads

and the connection lugs and the optional cam lock connectors on the main control panel.

15. MAIN CIRCUIT BREAKER: Disconnects power to the connection lugs and the optional cam lock connectors

(items 12-13). It WILL NOT disconnect power to the convenience receptacles when the engine is running.

MAGNUM DIGITAL CONTROLLER (MDC)

The MDC is an enhanced digital generator controller used to start, stop and monitor the operation of the generator

and the engine. The controller constantly monitors vital generator and engine functions for a number of pre-

programmed alarm and fault conditions. When a fault condition occurs, the engine will shut down automatically and

the Liquid Crystal Display (LCD) window will display the fault that caused the shutdown; to resume operation, the

fault condition must be resolved. The controller has the ability to provide the display readout in English and Spanish;

other languages are available. A screen print out of the display screen is also available. This controller also records

a history of the unit’s performance which may be viewed at any time and will not be removed or lost when the controller

is powered down.

The MDC panel consists of five sections: the “CONTROL ON/OFF” toggle switch and fine voltage adjustment screw,

the “OPERATION” keypad, the LCD window, the “DIAGNOSTICS” keypad, and the “STATUS” Light Emitting Diodes

(LED’s).

DIGITAL CONTROLLER FEATURES AND FUNCTIONS

1. The “CONTROL ON/OFF” Toggle Switch and Fine Voltage Adjustment Screw

• “CONTROL ON/OFF” toggle switch: This toggle switch powers-up and switches off the control panel and

the controller.

• Fine Voltage Adjustment Screw: This screw may be adjusted to set the generator output voltage after the

link board or voltage selector switch has been changed from one phase to another. This adjustment MUST

be accomplished within 45 seconds of start-up, during the “V Detect,” so that the unit does not experience

a shutdown alarm for “over or under voltage.” Refer to “Fine Voltage Adjustment ” on page 21 for more

information.

2. The “OPERATION” Keypad

• “ENGINE START” button: The Power Display screen must be in the “MAN” mode in the upper left corner

of the LCD window display and the “READY/MANUAL” LED lit in the “STATUS” portion of the controller.

Press the green “ENGINE START” button to start the unit.

Ready

PF 0.00

RPM 0

MAN AUT

4 5

• “ENGINE STOP” button: Press the red “ENGINE STOP” button to shut down the unit and start the “Stop

Value” timer.

• “MANUAL ” button: Press this button to change from the automatic (remote) starting mode to manual

starting mode.

• “AUTO ” button: Press this button to change from manual starting mode to automatic (remote) starting

mode.

• “ALARM CANCEL” button: When an alarm is activated, either visually or audibly, press this button to

silence or cancel the alarm.

• “FAULT RESET” button: Press this button to clear the fault from the LCD window after the fault has been

corrected. Press “FAULT RESET” and “ENTER” to clear the John Deere “ECU Alarm List” codes.

3. The Liquid Crystal Display (LCD)

• This window will toggle between the Generator Display screen and the Engine Display screen upon start-

up of the unit. By viewing these screens, the operator will be able to monitor both the engine and generator

status while the unit is running.

4. The “DIAGNOSTICS” Keypad

• “” Scroll Up button: Press this button to scroll up within the LCD window.

• “” Scroll Down button: Press this button to scroll down within the LCD window.

• “PAGE SELECT” button: Pressing this button will select the next display screen.

• “ENTER” button: Pressing this button will place you inside the particular display to review the generators

pre-programmed setpoints or parameters.

5. The “STATUS” Light Emitting Diodes (LED’s)

• These six LED’s will illuminate to display the current operational status of the generator:

○ “ALARM/FAULT”: Indicates active or inactive alarms, but not reset shutdown alarms.

○ “WARNING”: Indicates an active or inactive alarm, or a warning alarm that has not been reset.

○ “READY/MANUAL”: Indicates the controller is ready to start and in the Manual mode.

○ “READY/AUTO”: Indicates the unit is in the Auto mode ready for the remote start signal.

○ “RUNNING”: Indicates the unit is running.

○ “SUPPLYING LOAD”: Indicates a load is being applied to the generator.

GENERATOR MONITORING

Generator information is shown on the Liquid Crystal Display (LCD) window in a toggling manner with the engine

information after the first 60 seconds of operation, then every five seconds thereafter. The Generator Display screen

will show frequency, nominal voltage, nominal amperage, line to neutral voltage, line to line voltage and amperage.

Note: When loading the generator, it is important to observe the amperage to determine the load balance on each

line of the generator. Minor load unbalances, usually 10% or less, will not cause any particular problems. Every effort

should be made to distribute the load equally between all lines.

• Hertz: Displays output frequency.

• Generator Output Voltage: Line to neutral display, single phase (1Ø).

• Generator Output Voltage: Line to line display, 3 phase (3Ø).

• Amps: Displays the AC output amperage produced by the generator.

ENGINE MONITORING

Engine information is shown on the Liquid Crystal Display (LCD) window in a toggling manner with the generator

information after the first 60 seconds of operation and then every five seconds thereafter. The Engine Display screen

will show oil pressure, engine coolant temperature, fuel level and battery voltage.

• Oil Pressure: Displays engine oil pressure. The display registers oil pressure between 0-100 psi (10-689

kPa). Normal operating pressure is between 35-80 psi (241-552 kPa).

• Engine Temp: Displays the temperature of the engine’s coolant. If the coolant temperature exceeds the

maximum water temperature of 230°F (110°C) the engine will automatically shut down. Zero will be displayed

until a minimum temperature of 100°F (38°C) is reached.

• Fuel Level: Displays the level of fuel in the tank by percentage (50% = 1/2 tank, 75% = 3/4 tank, etc.). If the

fuel level drops below a programmed low fuel point, usually at 15%, a low fuel warning and optional audio

alarm will be activated. If the fuel level drops below the programmed low fuel limit, usually at five percent,

the engine will automatically shut down.

• Battery Volts: Displays the engine battery voltage. A normal reading is 13-14V on 12 volt systems and 24-

26V on 24 volt systems (with the engine running).

Additional information may be viewed while the unit is in Manual or Auto mode. By pressing the “PAGE SELECT”

button, the operator will select one of the following screens; “Running” screen, “Password” screen, or History screen.

In each of these page selections the operator may press the “” or “” buttons on the “DIAGNOSTICS” keypad to

display additional information as follows:

• “Running” screen: The operator may press the “” or “” buttons on the “DIAGNOSTICS” keypad to

display the “Alarm List” screen, “ECU Alarm List” screen, “Run Hours” screen, “ECU Values” screen, Engine

Display screen and Generator Display screen.

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Generac MMG45FHKCAN6 Operating instructions

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Model: MMG45FHKCAN6

Category: Power generators

Type: Operating instructions

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