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Magnum MMG 125 Operating Manual

Manual is about: Diesel generators

Summary of MMG 125

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    230 www m-p-llc com diesel generators mmg 125 • mmg 155 mmg 180 • mmg 230 operating manual.

  • Page 2: Magnum Products Llc

    2 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...

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    Table of contents page introduction ........................................................................................................................... 2 table of contents ................................................................................................................ 3 safet...

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    4 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. Operating safety before using the generator be sure you read and understand all of the instructions! This equipment was...

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    5 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 s...

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    6 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 c...

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    7 unit serial number locations refer to the locations illustrated below to find the unit id tag, v.I.N. Tag and trailer id tag on your unit. Important information, such as the unit serial number, model number and vehicle identification number (v.I.N.) for your trailer are found on these tags. Record...

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    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. Below is a summary of th...

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    Specifications 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 regar...

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    10 specifications 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 re...

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    11 specifications 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 re...

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    12 specifications 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 re...

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    13 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 r...

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    Service locations 14.

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    1 2 3 4 7 8 9 10 11 12 13 15 14 5 6 15 main control panel features 1. Document holder 2. Air filter meter: this gauge shows the condition of the air filter when the engine is running. 3. Magnum digital controller (mdc): see pages 16 - 17 for additional information. 4. Auxiliary light switches: these...

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    16 magnum digital controller (mdc) the magnum digital controller (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 ala...

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    17 • “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 d...

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    18 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 5 seconds thereafter. The engine display screen will show oil pressure, engine coolant temperature, f...

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    19 the history of alarms or codes of the unit are saved in the digital controller. The most recent alarm or code is the first to be listed, with the time/date of the alarm or code at the bottom of the screen. The controller stores up to 118 codes. When full, the control- ler will automatically remov...

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    20 generator start up before starting the generator, carefully read over the pre-start check list. Make sure that all of the items are checked before trying to start the generator. This check list applies to both manual and remote starting of the generator. Pre- start check list ˆ make sure the cont...

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    21 4. Press the green “engine start” button. The prestart (preheat) screen will be displayed (if equipped) and a countdown will begin from 20 seconds to 0. 5. The starting screen will be displayed. The engine will crank and start running. 6. The running screen will display. Note: it may take a few s...

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    10. Once the engine starts it will immediately begin speeding up to a constant 1800 rpm. On units with isochronous engine governing, the engine may hunt or change speeds until operating temperature is reached. After a few minutes of operation, the engine will be warmed up and the lcd window will sho...

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    Magnum digital controller (mdc) information displays, functions and reset the magnum digital controller (mdc) constantly monitors vital generator and engine functions for a number of operation, alarm and fault conditions. When a fault condition occurs, the engine will shut down automatically and the...

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    24 magnum digital controller (mdc) - list of possible alarms/descriptions shut down and warning fault conditions and the displayed message are described in the following table: no. Events specification protection type information on binary output available description 1 aniniom sd sd yes shutdown al...

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    1 spn:100 engoil press 2 spn:102 boost press 3 spn:105 intake temp 4 spn:110 engcool temp 5 spn:175 engoil temp 6 spn:629 controller #1 7 spn:636 positionsensor 8 spn:637 timingsensor 9 spn:651 injectorcyl#1 10 spn:652 injectorcyl#2 11 spn:653 injectorcyl#3 12 spn:654 injectorcyl#4 13 spn:655 inject...

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    26 magnum digital controller (mdc) – history the magnum digital controller (mdc) controller stores a record of each important event into the history file of the controller. The history file seats 118 records. When the history file is full, the oldest records are removed. No. Record structure abbrevi...

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    27 resetting of the “time to service” reminder the magnum digital controller (mdc) will display the message “ wrnservicetime” when the unit is due for maintenance or service. The maintenance or service interval is set at 250 hours of engine running time. Once the unit has been serviced, the “service...

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    High coolant temperature shutdown 1. Check the coolant level in the overflow jug. 2. Restart the engine and read the coolant temperature to verify high coolant temperature shutdown. Stop the engine immediately if the coolant temperature is 230°f or more. 3. Allow the engine to cool. Add coolant to t...

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    29 generator output connection lugs the generator is equipped with connection lugs behind the lug door next to the customer convenience outlets. The lugs provide connection points for attachment of external loads to the generator. A large decal on the inside of the connection lug door details the pr...

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    30 voltage selector switch (mmg 125-155-180) the voltage selector switch is located on a panel attached to the generator behind the door located next to the fuel tank filler. The selector switch is a three position switch that mechanically changes the connections between the generator output leads a...

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    4-position voltage selector switch (optional) the optional four position voltage selector switch is located on a panel attached to the generator behind the door located next to the fuel tank filler. The voltage selector is a four position switch that mechanically changes the connections between the ...

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    32 changing output voltage (mmg 230 only) the output voltage can be changed by moving the shorting (link) board in the generator reconnect box. The reconnect box is located on the top of the generator. Before attempting to change the output voltage, shut the generator down and make sure that the mai...

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    33 emergency stop switch the generator is equipped with one emergency stop switch, located on the right rear corner of the unit next to the control door. The switch is clearly labeled “emergency stop” and is red in color. The switch can be accessed and activated with all doors closed and locked. Act...

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    34 customer convenience outlets the generator is equipped with five convenience outlets. The large outlets are 240/120 vac twist-lock receptacles rated at 50 a each. The smaller outlets are 120 vac duplex receptacles rated at 20 a each with ground fault interrupt (gfci) protection. These receptacles...

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    35 remote start terminal block the remote start terminal block is located just under the two 120v duplex convenience outlets. It provides a connection for installation of a remote start switch which will allow the generator to be started by a remote dry-contact closure switch. Before pressing the “a...

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    36 it is strongly recommended that only a licensed electrician perform any wiring and any related connections to the generator. Installation should be in compliance of the national electric code as well as any state or local codes or regulations. Failure to follow these procedures could result in pr...

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    37 lifting the generator a large central lifting eye is located on the top of the generator and the eye is connected to a central lifting frame inside the unit. Attach a sling or hook directly to the lifting eye only if the devices are in good condition and the equipment being used to raise the unit...

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    38 towing the trailer 1. Use the jack to raise or lower the trailer onto the hitch of the towing vehicle. Lock the hitch coupling and attach the safety chains or cables to the vehicle. Release the jack locking pin and rotate the jack into the travel position. Make sure the locking pin snaps into pla...

  • Page 39

    39 ac wiring diagram, mmg125, mmg155, mmg180 breaker 240v 50a brn 240v 50a breaker 240v 50a breaker blk blk blk blk brn 59 13 6 10 14 7 8 11 12 15 16 t5 blk blk p air blk grn/yel (t7) ct -3 brn/wht l2 l3 shunt l1 ct -2 ct -1 blk grn/yel grn/yel grn/yel p air blk p air blk 1 2 3 4 t4 brn/wht (2.5k, 2...

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    40 ac wiring diagram, mmg230 breaker 240v 50a 240v 50a breaker 240v 50a breaker blk 10ga blk 10ga blk 10ga blk 10ga blk 10ga blk 10ga 800a l t blu 10ga grn/yel 10ga (t7) ct -3 l2 l3 shunt l1 ct -2 ct -1 breaker qty 3 blk 3/0 qty 3 blk 3/0 qty 3 blk 3/0 grn/yel 14ga grn/yel 10ga grn/yel 10ga p a ir b...

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    41 dc wiring diagram, mmg125, mmg155, mmg180 plug loca tion 2 pin plug (rpm) pin rpm in rpm gnd mag in mag ref d+ plug loca tion pin power + dc + rela y board d+ bott om pin e st op bi1 7 pin plug (binar y inputs) bo1 c1 +12vdc loca tion loca tion loca tion control power switch rd/bk blk rd/bk large...

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    42 plug loca tion 2 pin plug (rpm) pin rpm in rpm gnd mag in mag ref d+ plug loca tion pin power + dc + rela y board d+ bott om pin e st op bi1 6 pin plug (binar y inputs) bo1 c1 +12vdc loca tion loca tion loca tion control power switch rd/bk blk rd/bk large 4 pin plug (gen vol t age) phase a vol t ...

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    Ac wiring diagram, mmg125, mmg155, mmg180 for units equipped with an optional 4-position voltage selector switch. Brn 240v 50a breaker 240v 50a breaker blk blk brn 59 13 6 10 14 7 8 11 12 15 16 t5 blk blk grn/yel (t7) ct -3 brn/wht l2 l3 shunt l1 ct -2 ct -1 breaker blk blk blk grn/yel grn/yel blk b...

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    44 ac wiring diagram, mmg230 for units equipped with an optional 4-position voltage selector switch. Breaker 240v 50a 240v 50a breaker 240v 50a breaker blk 10ga blk 10ga blk 10ga blk 10ga blk 10ga blk 10ga 800a l t blu 10ga grn/yel 10ga (t7) ct -3 lug door safety switch brn/wht 14ga l2 l3 shunt 12 1...

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    Trailer lights wiring diagram 45.

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    46 notes:.

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    47 service log oil grade and type: brand: coolant mixture: brand:.

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    Rev: j part no: 22070 10.20.08.