Generac MDG150DF4-STD3 Operating instructions

Category
Power generators
Type
Operating instructions

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SAVE THIS MANUAL FOR FUTURE REFERENCE
For technical assistance contact:
www.generacmobileproducts.com
Technical Support
1-800-926-9768
Owner’s Manual
Diesel Generator
MDG150DF4 • MDG175DF4 • MDG250DF4
SN ____________ and higher
003574
Use this page to record important information about your unit
Record the information found on your unit data label on
this page. See unit serial number location (Unit Serial
Number Locations). The label plate is affixed to the
inside partition, to the left of the control panel console.
Engine and generator serial numbers are located on
separate data plates affixed to the engine and generator.
When contacting a Generac Mobile Authorized Service
Dealer (GMASD) about parts and service, supply the
complete model number and serial number of the unit.
Operation and Maintenance: Proper maintenance and
care of the unit ensures a minimum number of problems
and keeps operating expenses at a minimum. It is the
operator’s responsibility to perform all safety checks, to
verify that all maintenance for safe operation is
performed promptly, and to have the equipment checked
periodically by a GMASD. Normal maintenance, service
and replacement of parts are the responsibility of the
owner or operator and, as such, are not considered
defects in materials or workmanship within the terms of
the warranty. Individual operating habits and usage may
contribute to the need for additional maintenance or
service.
Unit Model No.
Unit Serial No.
Engine Model No.
Engine Serial No.
Generator Model No.
Generator Serial No.
(000394)
WARNING
Breathing diesel engine exhaust exposes you
to chemicals known to the State of California
to cause cancer and birth defects or other
reproductive harm.
Always start and operate the engine in a
well-ventilated area.
• If in an enclosed area, vent the exhaust to
the outside.
• Do not modify or tamper with the exhaust
system.
• Do not idle the engine except as necessary.
For more information go to
www.P65Warnings.ca.gov/diesel.
(000393a)
WARNING
CANCER AND REPRODUCTIVE HARM
www.P65Warnings.ca.gov.
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
Safety Symbols and Meanings ...................................1
General Hazards ...........................................................2
Trailer Hazards .............................................................2
Electrical Hazards ........................................................3
Explosion and Fire Hazards ........................................3
Battery Hazards ............................................................4
Fuel Hazards .................................................................4
Engine Safety ...............................................................4
Operating Safety ..........................................................5
Positioning the Unit .....................................................5
Starting the Unit ...........................................................5
Towing Safety ...............................................................5
Hitch and Coupling ......................................................5
Safe Towing Techniques .............................................5
Reporting Trailer Safety Defects ................................5
Safety and Operating Decals ......................................6
Section 2: General Information
Specifications .............................................................11
Unit Dimensions .........................................................14
Unit ID and VIN Tag Locations ..................................15
Altitude and Temperature Limitations .....................15
Component Locations ...............................................16
Exterior ......................................................................16
Interior .......................................................................17
Connection Panel ......................................................18
Control Panel ..............................................................19
Genset Controller .......................................................20
Controller Modes .......................................................22
Operator Pages .........................................................22
Maintenance Alarms ..................................................24
Diesel Exhaust Fluid (DEF) .......................................25
DEF Specification ......................................................25
DEF Warning .............................................................25
DEF Storage Guidelines ............................................25
Refilling DEF Tank ....................................................26
Selective Catalytic Reduction (SCR) Monitoring ....26
Voltage Selector Switch ............................................27
Lockout Function .......................................................27
Section 3: Operation
Pre-start Checklist .....................................................29
Manually Starting the Unit .........................................29
AUTO (Remote) Starting the Unit .............................30
Parallel Setup and Operation (If Equipped) .............31
Manual Parallel ..........................................................31
Automatic Parallel .....................................................31
Shutting Down the Units in MANUAL Mode ..............31
Low Idle Switch ..........................................................31
Wet Stacking ..............................................................31
Cold Weather Operation ............................................31
Using a Booster Battery or Charger (If Equipped) ..32
Generator Output Connections ................................33
Generator Cam Lock Connections (If Equipped) ....34
Using Voltage Selector Switch .................................34
Fine Voltage Adjustment ...........................................35
Voltage Regulator ......................................................35
Customer Convenience Receptacles .......................35
Main Circuit Breaker ..................................................36
DOC and SCR Cleaning Operations .........................36
Disabling Automatic (AUTO) Exhaust After-Treatment
Cleaning ....................................................................36
Force a Manual Exhaust After-Treatment Cleaning ..36
Enable Exhaust After-Treatment Cleaning ................37
Transfer Switch ..........................................................37
Changing Exercise Timers ........................................38
Shutting Down the Unit .............................................38
Emergency Stop Switch ............................................38
Using the ECU Override Switch ................................38
Towing the Unit ..........................................................39
Lifting the Unit ............................................................39
Section 4: Maintenance
Emissions Information ..............................................43
Maintenance ...............................................................43
Daily Walk Around Inspection ..................................43
Belt Tensioners ..........................................................43
General Maintenance .................................................43
Engine Oil Recommendations ..................................44
Recommended Oil Types ..........................................44
Coolant Recommendation ........................................44
Basic Maintenance Schedule ....................................44
Engine Break-In Requirements .................................46
iv Owner’s Manual for Mobile Generator
Resetting the Maintenance Alarms ..........................46
Testing DEF ................................................................ 46
DEF Tank Cleaning ....................................................47
Disposal of DEF ......................................................... 47
Checking Generator Drive Plate Torque .................47
Jack Maintenance ...................................................... 47
Side-Wind Models ..................................................... 47
Top-Wind Models ...................................................... 47
Trailer Wheel Bearings ..............................................47
Section 5: Troubleshooting
General Troubleshooting ..........................................49
Section 6: Wiring Diagrams
Wiring Diagrams ........................................................ 51
Owner’s Manual for Mobile Generator 1
Section 1: Introduction and Safety
Introduction
Thank you for purchasing a Generac Mobile product. This
unit has been designed to provide high performance,
efficient operation, and years of use when maintained
properly.
The information in this manual is accurate based on
products produced at the time of publication. The manu-
facturer reserves the right to make technical updates,
corrections, and product revisions at any time without
notice.
Read This Manual Thoroughly
If any section of this manual is not understood, contact your
nearest GMASD, or contact Generac Mobile Technical
Service at 1-800-926-9768 or
www.generacmobileproducts.com
with any questions or
concerns.
The owner is responsible for proper maintenance and safe
use of the equipment. Comply with regulations the
Occupational Safety and Health Administration (OSHA)
has established, or with equivalent standards. Also, verify
that the unit is applied, used, and maintained in accordance
with the manufacturer's instructions and recommendations.
Do nothing that might alter safe application/usage and
render the unit in noncompliance with the aforementioned
codes, standards, laws, and regulations
.
Save these instructions for future reference. This manual
contains important instructions for the unit that should be
followed during setup, operation and maintenance of the
unit and battery. ALWAYS supply this manual to any
individual that will use this machine.
How to Obtain Service
When the unit requires servicing or repairs, contact a
GMASD for assistance. Service technicians are factory-
trained and are capable of handling all service needs. For
assistance locating a dealer, go to https://www.gener-
acmobileproducts.com/parts-service/find-service.
When contacting a GMASD about parts and service,
always supply the complete model and serial number of
the unit as given on the data decal located on the unit.
Record the model and serial numbers in the spaces pro-
vided on the front cover of this manual.
Safety Rules
The manufacturer cannot anticipate every possible
circumstance that might involve a hazard. The warnings in
this manual, and on tags and decals affixed to the unit are,
therefore, not all inclusive. If using a procedure, work
method or operating technique that the manufacturer does
not specifically recommend, verify it is safe for others. Also
make sure the procedure, work method or operating
technique utilized does not render the equipment unsafe.
Safety Symbols and Meanings
Throughout this publication, and on tags and decals affixed
to the unit, DANGER, WARNING, CAUTION and NOTE
blocks are used to alert personnel to special instructions
about a particular operation that may be hazardous if
performed incorrectly or carelessly. Observe them
carefully. Their definitions are as follows:
NOTE: Notes contain additional information important to
a procedure and will be found within the regular text of
this manual.
These safety alerts cannot eliminate the hazards that they
indicate. Common sense and strict compliance with the
special instructions while performing the action or service
are essential to preventing accidents.
(000100a)
Consult Manual. Read and understand manual
completely before using product. Failure to
completely understand manual and product
could result in death or serious injury.
WARNING
(000001)
DANGER
Indicates a hazardous situation which, if not avoided,
will result in death or serious injury.
(000002)
WARNING
Indicates a hazardous situation which, if not avoided,
could result in death or serious injury.
(000003)
CAUTION
Indicates a hazardous situation which, if not avoided,
could result in minor or moderate injury.
2 Owner’s Manual for Mobile Generator
Introduction and Safety
General Hazards
Trailer Hazards
(000103)
Asphyxiation. Running engines produce carbon
monoxide, a colorless, odorless, poisonous
gas. Carbon monoxide, if not avoided, will
result in death or serious injury.
DANGER
DANGER
Asphyxiation. Do not operate unit without
a properly functioning exhaust system.
Doing so will result in death or serious injury.
(000340)
(000209b)
WARNING
Loss of life. This product is not intended to
be used in a critical life support application.
Failure to adhere to this warning could result
in death or serious injury.
(000107)
Hearing Loss. Hearing protection is
recommended when using this machine.
Failure to wear hearing protection could
result in permanant hearing loss.
WARNING
(000181)
WARNING
Vision Loss. Eye protection is required to
avoid spray from spark plug hole when
cranking engine. Failure to do so could
result in vision loss.
(000111)
WARNING
Moving Parts. Keep clothing, hair, and
appendages away from moving parts. Failure
to do so could result in death or serious injury.
(000108)
WARNING
Hot Surfaces. When operating machine, do not
touch hot surfaces. Keep machine away from
combustibles during use. Hot surfaces could
result in severe burns or fire.
WARNING
Equipment damage. Do not attempt to start or operate
a unit in need of repair or scheduled maintenance.
Doing so could result in serious injury, death, or
equipment failure or damage.
(000291)
WARNING
Risk of injury. Do not operate or service this machine
if not fully alert. Fatigue can impair the ability to
service this equipment and could result in death or
serious injury.
(000215)
(000182a)
WARNING
Equipment damage. Only qualified service personnel may
install, operate, and maintain this equipment. Failure to
follow proper installation requirements could result in death,
serious injury, and equipment or property damage.
CAUTION
(000229)
Equipment or property damage. Do not block air
intake or restrict proper air flow. Doing so could
result in unsafe operation or damage to unit.
WARNING
(000233a)
Personal injury. Trailer must be securely coupled to the
hitch with the chains correctly attached. Uncoupled or
unchained towing could result in death or serious injury.
(000231a)
Personal injury. Do not operate unit during transport.
Doing so could result in death, serious injury, or
property damage.
WARNING
(000234a)
Crushing hazard. Verify unit is properly secured and
on level ground. An unsecured unit can suddenly roll
or move, causing death or serious injury.
WARNING
WARNING
Property or Equipment Damage. Tighten wheel lug
nuts after first 50 miles to factory specifications.
Failure to do so could result in death, serious injury,
property or equipment damage.
(000235)
Owner’s Manual for Mobile Generator 3
Introduction and Safety
Electrical Hazards Lifting Hazards
Explosion and Fire Hazards
(000145)
DANGER
Electrocution. In the event of electrical accident,
immediately shut power OFF. Use non-conductive
implements to free victim from live conductor. Apply
first aid and get medical help. Failure to do so will
result in death or serious injury.
(000104)
DANGER
Electrocution. Water contact with a power
source, if not avoided, will result in death
or serious injury.
(000144)
DANGER
Electrocution. Contact with bare wires,
terminals, and connections while generator
is running will result in death or serious injury.
(000152)
DANGER
Electrocution. Verify electrical system is
properly grounded before applying power.
Failure to do so will result in death or serious
injury.
(000123)
DANGER
Electrocution. Turn utility supply OFF before
working on utility connections of the transfer
switch. Failure to do so will result in death or
serious injury.
(000150)
Electrocution. Never connect this unit to the electrical
system of any building unless a licensed electrician
has installed an approved transfer switch. Failure to
do so will result in death or serious injury.
DANGER
(000164)
WARNING
Electrical shock. Disconnect battery ground
terminal before working on battery or battery
wires. Failure to do so could result in death
or serious injury.
Personal injury. Failure to properly connect
lifting cables, chains, or straps could result in
death, serious injury, or property damage.
(000346)
WARNING
WARNING
(000349)
Personal Injury. Do not use lifting hook if there are
signs of damage or corrosion. Doing so could result
in death, serious injury, or property damage.
(000350)
WARNING
Personal Injury. Do not use lifting hook other than
as directed. Failure to do so could result in death,
serious injury, or property damage.
(000351)
Personal Injury. Verify all fasteners are properly
tightened prior to lifting unit. Failure to do so could
result in death, serious injury, or property damage.
WARNING
(000105)
Explosion and Fire. Fuel and vapors are extremely
flammable and explosive. Add fuel in a well
ventilated area. Keep fire and spark away. Failure
to do so will result in death or serious injury.
DANGER
WARNING
(000281)
Fire risk. Fuel and vapors are extremely
flammable. Do not operate indoors. Doing
so could result in death, serious injury, or
property or equipment damage.
(000147)
WARNING
Risk of Fire. Unit must be positioned in a
manner that prevents combustible material
accumulation underneath. Failure to do so
could result in death or serious injury.
4 Owner’s Manual for Mobile Generator
Introduction and Safety
Battery Hazards
Always recycle batteries in accordance with local laws
and regulations. Contact your local solid waste collection
site or recycling facility to obtain information on local
recycling processes. For more information on battery
recycling, visit the Battery Council International website
at: http://batterycouncil.org
Fuel Hazards
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.
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 alerts described in the
engine operator's manual. A copy of this manual was
supplied with the unit when it was shipped from the factory.
DO NOT run engine indoors or in an area with poor
ventilation. Verify engine exhaust cannot seep into
closed rooms or ventilation equipment.
DO NOT clean air filter with gasoline or other types
of low flash point solvents.
DO NOT operate the unit without a functional
exhaust system.
Shut the engine down if any of the following
conditions exist during operation:
Abnormal change in engine speed.
Loss of electrical output.
Equipment connected to the unit overheats.
Sparking occurs.
Engine misfires or there is excessive engine/
generator vibration.
Protective covers are loose or missing.
(000188)
DANGER
Electrocution. Do not wear jewelry while
working on this equipment. Doing so will
result in death or serious injury.
(000137a)
WARNING
Explosion. Batteries emit explosive gases while
charging. Keep fire and spark away. Wear protective
gear when working with batteries. Failure to do so
could result in death or serious injury.
(000162)
Explosion. Do not dispose of batteries in a fire.
Batteries are explosive. Electrolyte solution can cause
burns and blindness. If electrolyte contacts skin or eyes,
flush with water and seek immediate medical attention.
WARNING
(000163a)
Risk of burn. Do not open or mutilate batteries.
Batteries contain electrolyte solution which can cause
burns and blindness. If electrolyte contacts skin or
eyes, flush with water and seek immediate medical
attention.
WARNING
WARNING
(000228)
Environmental Hazard. Always recycle batteries at an
official recycling center in accordance with all local
laws and regulations. Failure to do so could result in
environmental damage, death, or serious injury.
(000192)
DANGER
Explosion and fire. Fuel and vapors are extremely
flammable and explosive. No leakage of fuel is
permitted. Keep fire and spark away. Failure to do
so will result in death or serious injury.
(000174)
DANGER
Risk of fire. Allow fuel spills to completely dry
before starting engine. Failure to do so will
result in death or serious injury.
Owner’s Manual for Mobile Generator 5
Introduction and Safety
Operating Safety
Positioning the Unit
The area immediately surrounding the unit should
be dry, clean, and free of debris.
If the unit is equipped with a frame grounding stud,
follow any local, state, and National Electrical Code
(NEC) guidelines when connecting.
Starting the Unit
DO NOT start a unit in need of repair.
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. 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.
Hitch and Coupling
Verify the hitch and coupling on the towing vehicle
are rated equal to, or greater than, the trailer's
Gross Vehicle Weight Rating (GVWR).
Verify the trailer hitch and the coupling are
compatible. Verify the coupling is securely
fastened to the vehicle.
DO NOT tow trailer using defective parts. Inspect
the hitch and coupling for wear or damage.
Connect safety chains in a crossing pattern under
the tongue.
Before towing the trailer, verify 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.
Safe Towing Techniques
Practice turning, stopping and backing up in an
area away from heavy traffic prior to transporting
the unit.
Maximum recommended speed for highway towing
is 45 mph (72 km/h). Recommended off-road
towing speed is 10 mph (16 km/h) or less,
depending on terrain.
When towing, maintain extra space between
vehicles and avoid soft shoulders, curbs and
sudden lane changes.
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 Generac
Mobile.
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
an individual problem between you, your GMASD, or
Generac Mobile.
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.
(000234a)
Crushing hazard. Verify unit is properly secured and
on level ground. An unsecured unit can suddenly roll
or move, causing death or serious injury.
WARNING
DANGER
Electrocution. DO NOT use the unit if
electrical cord is cut or worn through. Doing
so will result in death or serious injury.
(000263a)
6 Owner’s Manual for Mobile Generator
Introduction and Safety
Safety and Operating Decals
This unit features numerous safety and operating decals.
These decals provide important operating instructions and
warn of dangers and hazards. The following diagrams
illustrate decal locations and descriptions.
Replace any missing or hard-to-read decals and use care
when washing or cleaning the unit. Decal part numbers
can be found in the parts manual at
www.generacmobileproducts.com.
ID Description ID Description
1 Owner’s Manual 18 Hot Surface Warning: Do Not Remove Grille
2 Coolant Drain 19 Terminal Connections (Voltage Selector Switch)*
3 Engine Oil 20 Terminal Connections (Link Board)**
4 Tie-Down Location 21 Battery Disconnect Caution (if equipped)
5 Forklift Pocket 22 Electrical Backfeed Danger
6 Diesel Exhaust Fluid (DEF) Only 23 Cam Lock Connections
7 Diesel Fuel 24 Remote Start Terminal Connections
8 Ultra Low Sulfur Diesel 25 Ground Output Connection
9 See Manual 26 Neutral
10 Lifting Point 27 Connection Terminal Lugs
11 Open Upper Door First to Access Connections 28 Electrical Output
12 Do Not Open Door with Engine Running 29 Neutral Bonded to Frame
13 Electric Shock Hazard 30 Towing Instructions
14 Radiator, Entanglement, Cutting, Hot Surface Hazard 31 Starting and Stopping Generator
15 Hot Coolant Under Pressure, Hot Surface 32 Consult Manual
16 Generator Can Start Automatically 33 Buttons Below Controller
17 Electrical Ground 34 Voltage Regulation
35 Hot Surface
* Standard in MDG150/175; optional in MDG250.
** Equipped in MDG250; not equipped in MDG150/175.
Owner’s Manual for Mobile Generator 7
Introduction and Safety
Figure 1-1. Exterior Decals
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GEFAHR
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DANGER
DIESEL
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OPEN UPPER
DOOR FIRST
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on manual holder
inside door
004539
7
1
5
6
10
4
3
2
11
12
9
35
9
4
5
30
5
5
10
8
8 Owner’s Manual for Mobile Generator
Introduction and Safety
Figure 1-2. Interior Decals
BATTERY
DISCONNECT
WAIT AT LEAST TWO (2)
MINUTES BEFORE
DISCONNECTING THE
BATTERY.
2 MIN
DC power is required
to purge the SCR lines
and save operating
data to the ECU.
Optional 4th Position on Voltage Selector Switch
T1
L1
T4
T7
T10
N
T2
L2
T8
T5
T9
T6
T3
L3
T11
T12
L-N
L-L
L1 - L2 = 480V L1 - N = 277V
L2 - L3 = 480V L2 - N = 277V
L3 - L1 = 480V L3 - N = 277V
N =
T4
T7
T10
T1
L1
L2
T8
T2
T9
T3
T6
T11
L3
T5
T12
N
L-N
L-L
L1 - L2 = 208V L1 - N = 120V
L2 - L3 = 208V L2 - N = 120V
L3 - L1 = 208V L3 - N = 120V
N =
T1
L1
T4
T7
T10
T2
L2
T8 T5
T9
T6
T3
L3
T11
T12
L-L
N
L-N
L-N
T4
T1
T6
T2
T12
T8
T5
T3
T10 T7
T11
T9
L3
N
L1
120V120V
240V
TERMINAL CONNECTIONS / KLEMMENBELEGUNG / CONEXIONES DE TERMINALES / BRANCHEMENTS AU TERMINAL
L1 - L2 = 240V L1 - N = 120V
L2 - L3 = 240V L2 - N = 208V
L3 - L1 = 240V L3 - N = 120V
N =
120/
240V 3PH
277/
480V
120/
208V
120/
240V
1PH
120/240V 3-PHASE
120/
240 V
277/
480 V
120/
208 V
120/
240 V
480
277
208
120
277/480V 3-PHASE 120/208V 3-PHASE
120/240V 1-PHASE
240
120
480
277
208
120
240
120
208
120
277/480
120/208
120/240
277/480
120/208
120/240
277/480
120/208
120/240
L1 - L3 = 240V L1 - N = 120V
L2 - N = -------
L3 - N = 120V
N=
Never change switch position with engine running. Results in damage to machine.
Bei laufendem Motor darf die Schalterstellung nicht verändert werden. Dies führt zur Beschädigung der Maschine.
Nunca cambie la posición del interruptor con el motor en funcionamiento. Puede causar daños a la máquina.
Ne jamais changer la position du commutateur lorsque le moteur fonctionne. Vous pourriez endommager l’appareil.
AVERTISSEMENT
208
120
480
277
240
120
ADVERTENCIA
WARNUNG
WARNING
208
120
480
277
240
120
WARNUNG
ADVERTENCIA
AVERTISSEMENT
WARNING
WARNUNG
ADVERTENCIA
AVERTISSEMENT
WARNING
La génératrice peut démarrer
automatiquement, ce qui peut entraîner
des blessures graves. Débrancher la
batterie avant de faire l’entretien.
Generator can automatically start
which can cause serious injury.
Disconnect battery before servicing.
Der Generator kann automatisch
anspringen und schwere Verletzungen
verursachen. Vor der Instandsetzung
die Batterieverbindungen lösen.
El generador puede arrancar
automáticamente, lo que puede causar
graves lesiones. Desconecte la batería
antes de realizar el servicio técnico.
WARNUNG
ADVERTENCIA
AVERTISSEMENT
WARNING
La génératrice peut démarrer
automatiquement, ce qui peut entraîner
des blessures graves. Débrancher la
batterie avant de faire l’entretien.
Generator can automatically start
which can cause serious injury.
Disconnect battery before servicing.
Der Generator kann automatisch
anspringen und schwere Verletzungen
verursachen. Vor der Instandsetzung
die Batterieverbindungen lösen.
El generador puede arrancar
automáticamente, lo que puede causar
graves lesiones. Desconecte la batería
antes de realizar el servicio técnico.
006351
17
16
14
15
14
13
18
19
21
17
18
20
13
Owner’s Manual for Mobile Generator 9
Introduction and Safety
Figure 1-3. Connection Panel Decals
Improper connection of generator to a building’s electrical system can allow electrical current from
the generator to backfeed into utility lines. This may result in electrocution of utility workers, fire or
explosion. Connections to a building’s electrical system must be made by a qualified electrician
and comply with all applicable laws and electrical codes.
Der unsachgemäße Anschluss eines Generators an das Stromnetz eines Gebäudes kann eine
Rückführung des elektrischen Stroms vom Generator in die Stromleitungen verursachen. Dies kann u.
U. zu tödlichem Stromschlag bei EVU-Mitarbeitern, Brand oder Explosion führen. Anschlüsse an das
Gebäudestromnetz müssen von einem Elektriker vorgenommen werden und es müssen dabei alle
einschlägigen Gesetze und elektrischen Vorschriften eingehalten werden.
La conexión inadecuada del generador al sistema eléctrico de un edificio puede hacer que la corriente
eléctrica del generador se retroalimente en las líneas de servicios públicos. Esto puede provocar la
electrocución de los trabajadores de servicios públicos, incendios o explosiones. Las conexiones al
sistema eléctrico de un edificio deben ser realizadas por un electricista calificado, y cumplir con todas
las leyes y todos los códigos de electricidad aplicables.
Le raccordement inadéquat de la génératrice au système électrique d’un immeuble peut permettre au
courant électrique produit par la génératrice de refouler dans le réseau public. Les ouvriers de la
compagnie d’électricité pourraient subir une électrocution, et un feu ou une explosion pourraient
survenir. Le raccordement au système électrique d’un immeuble doit être confié à un électricien
compétent et respecter l’ensemble des lois et codes en vigueur en matière d’électricité.
L1 Black
L2 Red
L3 Blue
N White
G Green
NEUTRAL (L0) BONDED TO FRAME
NULLLEITER (L0) AM RAHMEN ANGESCHLOSSEN
NEUTRO (L0) CONECTADO AL BASTIDOR
POSITION NEUTRE
(L0)
LORSQUE FIXÉ AU CADRE
REMOTE START/TERMINAL CONNECTIONS
FERNSTART/KLEMMENBELEGUNG
ARRANQUE REMOTO/CONEXIONES DE TERMINALES
DÉMARRAGE À DISTANCE ET BRANCHEMENTS AU TERMINAL
004708
27
27
27
26
25
24
29
28
22
23
10 Owner’s Manual for Mobile Generator
Introduction and Safety
Figure 1-4. Control Panel Decals
011133
STARTING THE GENERATOR
DAS STARTEN DES GENERATORS
COMIENZO DEL GENERADOR
COMMENCEMENT DU GÉNÉRATEUR
STOPPING THE GENERATOR
DAS AUFHÖREN DES GENERATORS
PARADA DEL GENERADOR
ARRÊT DU GÉNÉRATEUR
CONTROLLER
POWER
CONTROLLER
POWER
2. PUSH ENGINE
START “I”
1. CONTROL POWER
SWITCH “ON”
1. PUSH ENGINE
STOP “O”
2. CONTROL POWER
SWITCH “OFF”
Lire et comprendre le manuel de l’utilisateur fourni avec
l’appareil avant de l’utiliser. L’omission de le faire augmente
le risque de blessure pour vous et pour les autres.
Lea y asegúrese de comprender el manual del operador
proporcionado antes de operar esta máquina. De lo contrario,
aumenta el riesgo de lesiones a usted y a otras personas.
Vor dem Betrieb dieser Maschine muss das Bedienerhandbuch
gelesen und verstanden worden sein. Ein Unterlassen erhöht das
eigene Verletzungsrisiko und das anderer.
Read and understand the supplied operator’s manual before
operating this machine. Failure to do so increases the risk
of injury to yourself or others.
CONTROLLER
POWER
ENGINE
SPEED
RUN
IDLE
SERVICE
SWITCH
EXHAUST
REGENERATION
INTERIOR
LIGHTS
VOLTAGE
REGULATION
31
32
33
34
Owner’s Manual for Mobile Generator 11
Section 2: General Information
Specifications
Description UOM MDG150DF4 MDG175DF4 MDG250DF4
Engine
Make (Model)
John Deere
®
(6068HFG05)
John Deere
(6068HFG05)
John Deere
(6068HFG06)
Rated Power Output—Prime hp (kW) 196 (146) 235 (175) 295 (220)
Operating Speed rpm 1,800 1,800 1,800
Fuel Consumption—100% Prime gph (Lph) 8.7 (33.3) 10.2 (38.6) 13.9 (52.8)
Fuel Consumption—75% Prime gph (Lph) 7.1 (26.8) 8.4 (31.8) 10.4 (39.3)
Fuel Consumption—50% Prime gph (Lph) 5.25 (19.8) 6.3 (23.8) 7.2 (27.4)
DEF Consumption—100% Prime gph (Lph) 0.34 (1.3) 0.36 (1.4) 0.45 (1.7)
EPA—Emissions Certification Tier 4 Final 4 Final 4 Final
Battery—Group Number 31 31 31
Battery—Voltage VDC 12V (1) 12V (1) 12V (1)
Battery—Rating CCA 1,000 CCA 1,000 CCA 1,000 CCA
Generator
Standard Generator
Make (Model)
Marathon Electric
®
(363CSL1607)
Marathon Electric
(431CSL6202)
Marathon Electric
(431CSL6206)
Frequency Hz 60 60 60
Power Output:
3Ø Standby kW (kVA) 144 (180) 160 (200) 220 (275)
480V A 218 240 331
208V A 503 555 764
3Ø Prime kW (kVA) 120 (150) 140 (175) 200 (250)
480V A 180 210 301
208V A 416 486 694
1Ø Standby kW (kVA) 95 (95) 120 (120) 165 (165)
240V A 395 500 687
1Ø Prime kW (kVA) 95 (95) 120 (120) 165 (165)
240V A 395 500 687
Optional SUPERSTART
®
Generator
Make (Model) Marathon Electric
(431CSL6208)
Marathon Electric
(432CSL6212)
Marathon Electric
(433CSL6216)
Frequency Hz 60 60 60
Power Output:
3Ø Standby kW (kVA) 144 (180) 160 (220) 220 (275)
480V A 218 240 331
208V A 503 555 764
12 Owner’s Manual for Mobile Generator
General Information
3Ø Prime kW (kVA) 120 (150) 140 (175) 200 (250)
480V A 180 210 301
208V A 416 486 694
1Ø Standby kW (kVA) 120 (120) 140 (140) 200 (200)
240V A 500 583 833
1Ø Prime kW (kVA) 120 (120) 140 (140) 200 (200)
240V A 500 583 833
Optional VFLEX Generator
Make (Model) Marathon Electric
(431PSL6611)
Marathon Electric
(431PSL6612)
Marathon Electric
(432PSL6613)
Frequency Hz 60 60 60
Power Output:
3Ø Standby kW (kVA) 144 (180) 160 (200) 220 (275)
480V A 218 240 331
208V A 503 555 764
3Ø Prime kW (kVA) 120 (150) 140 (175) 200 (250)
480V A 180 210 301
208V A 416 486 694
1Ø Standby kW (kVA) 73 (73) 90 (90) 109 (109)
240V A 304 375 454
Prime kW (kVA) 73 (73) 90 (90) 109 (109)
240V A 304 375 454
Weights
Equipped With Standard Fuel Tank
Dry—Skid Mounted lb (kg) 6,219 (2,820) 6,480 (2,939) 6,898 (3,129)
Operating—Skid Mounted lb (kg) 9,075 (4,116) 9,335 (4,234) 9,411 (4,269)
Dry —Trailer Mounted lb (kg) 8,184 (3,712) 8,444 (3,830) 8,863 (4,020)
Operating—Trailer Mounted lb (kg) 11,040 (5,007) 11,300 (5,125) 11,376 (5,160)
Equipped With Optional Fuel Tank
Dry—Skid Mounted lb (kg) 6,479 (2,938) 6,740 (3,057) 7,158 (3,246)
Operating—Skid Mounted lb (kg) 10,033 (4,550) 10,294 (4,669) 10,712 (4,858)
Dry—Trailer Mounted lb (kg) 8,444 (3,830) 8,705 (3,948) 9,123 (4,138)
Operating—Trailer Mounted lb (kg) 11,998 (5,442) 12,259 (5,560) 12,677 (5,750)
Capacities
Standard Fuel Tank—Total gal (L) 358 (1,355) 358 (1,355) 358 (1,355)
Standard Fuel Tank—Usable gal (L) 343 (1,297) 343 (1,297) 343 (1,297)
Optional Fuel Tank—Total gal (L) 529 (2,002) 529 (2,002) 529 (2,002)
Optional Fuel Tank—Usable gal (L) 513 (1,914) 513 (1,914) 513 (1,914)
DEF Tank—Total gal (L) 34.4 (130.4) 34.4 (130.4) 34.4 (130.4)
DEF Tank—Usable gal (L) 28 (106) 28 (106) 28 (106)
Description UOM MDG150DF4 MDG175DF4 MDG250DF4
Owner’s Manual for Mobile Generator 13
General Information
Coolant—Including Engine gal (L) 16.7 (63.2) 16.7 (63.2) 16.7 (63.2)
Oil—Including Filter gal (L) 8.6 (32.5) 8.6 (32.5) 8.6 (32.5)
Maximum Run Time
Standard Fuel Tank hr 39.4 33.6 24.7
Optional Fuel Tank hr 58.9 50.3 36.9
AC Distribution
Circuit Breaker Size A 600 700 900
Trailer
Hitch—Standard Size, Type 3 in (76.2 mm),
Ring
3 in (76.2 mm),
Ring
3 in (76.2 mm),
Ring
Maximum Tire Pressure psi (kPA) 125 (862) 125 (862) 125 (862)
Specifications are subject to change without notice.
Description UOM MDG150DF4 MDG175DF4 MDG250DF4
14 Owner’s Manual for Mobile Generator
General Information
Unit Dimensions
Figure 2-1. Unit Dimensions
LWH
Equipped With Standard Fuel Tank
Skid Mounted 145 in (3.7 m) 60 in (1.5 m) 85 in (2.2 m)
Trailer Mounted 208 in (5.3 m) 86 in (2.2 m) 104 in (2.6 m)
Equipped With Optional Fuel Tank
Skid Mounted 145 in (3.7 m) 60 in (1.5 m) 92 in (2.3 m)
Trailer Mounted 208 in (5.3 m) 86 in (2.2 m) 111 in (2.8 m)
Owner’s Manual for Mobile Generator 15
General Information
Unit ID and VIN Tag Locations
See Figure 2-2 to locate the unit ID tag (A) and vehicle
identification number (VIN) tag (B). Important information
such as the unit model number, serial number, VIN, and
tire loading information are listed on the tags. Record the
information from the tags in the event the tags are lost or
damaged. When ordering parts or requesting assistance,
information from the tags may be needed.
Figure 2-2. Unit ID and VIN Tag Locations
Altitude and Temperature Limitations
All units are subject to derating for altitude and
temperature as it relates to engine cooling capacity and
other capabilities. Derating reduces the available power
for operating tools and accessories connected to the
outlets. For the MDG250/175/150, the engine can
provide full prime power up to an altitude of 10,000 ft
(3,048 m). There will be a limitation in power output of 5%
if the unit is operated 1,000 ft (305 m) above the
maximum altitude indicated.
The maximum air temperature at which the unit can
provide full prime power is defined in the table below. If
the unit is operated beyond this limit at full power, the
coolant temperature will exceed the maximum allowable
limit of 235 °F (113 °C) and cause the engine to shut
down.
NOTE: For information specific to generator derating,
see the OEM generator manual included with the unit.
Model
Altitude Limit: ft (m)
Air Temp.
Limit: °F (°C)
Prime Standby
MDG250 10,000 (3,048) 10,000 (3,048) 108(42)
MDG175 10,000 (3,048) 4,500 (1,371) 120 (49)
MDG150 10,000 (3,048) 10,000 (3,048) 120 (49)
006429
B
A
16 Owner’s Manual for Mobile Generator
General Information
Component Locations
Exterior
Figure 2-3. Exterior Components
A Engine exhaust I Tongue jack
B Coolant fill port J Coolant drain
C Unit lift point K Engine oil drain
D Diesel exhaust fluid (DEF) fill port L Main circuit breaker (behind door)
E Fuel fill port M Lugs (behind door)
F Forklift pocket N Receptacles (behind door)
G Ladder (2 locations) O Emergency stop switch
H Tie-down point (4 locations) P Control panel (behind door)
011134
E
J
K
D
F
A
H
I
C
B
G
L
M
N
O
P
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Generac MDG150DF4-STD3 Operating instructions

Category
Power generators
Type
Operating instructions
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