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- Magnum
- Portable Generator
- MMG 150
- Operating Manual
Magnum MMG 150 Operating Manual
Summary of MMG 150
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Diesel generator mmg150 • mmg170 • mmg235 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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3 table of contents page introduction ........................................................................................................................................ 2 table of contents ............................................................................................................
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4 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 ...
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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 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 transportati...
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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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8 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 pa...
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9 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 reg...
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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 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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13 service locations.
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14 main control panel features, standard 1 2 3 4 7 8 9 10 11 12 13 15 14 5 6.
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15 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 18-19 for additional information. 4. Auxiliary light switches: these switches operate the optional control panel and interior lights. ...
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16 main control panel features, with optional cam locks 1 2 3 5 8 9 10 11 12 13 14 16 15 17 18 6 7 engine engine start start engine engine stop stop manual auto alarm cancel fault reset alarm/fault ready/manual ready/auto warning running supplying load operation page select enter diagnostics status ...
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17 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 18-19 for additional information. 4. Auxiliary light switches: operate optional control panel and interior lights. 5. Circuit breaker ...
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18 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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19 • “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...
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20 • oil press: displays engine oil pressure. The display registers oil pressure between 0-100 psi. Normal operating pressure is between 35-80 psi. • eng temp: displays the temperature of the engine’s coolant. If the coolant temperature exceeds the maximum water temperature of 230° f the engine will...
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21 fine voltage adjustment upon start-up of the generator, the “running” screen of the magnum digital controller (mdc) will display “sensing” and will countdown from 45 seconds to “0” zero. This is a safety feature of the controller to protect the generator from over or under voltage upon start-up. ...
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22 pre - start check list before starting the generator, carefully read 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. Read and understand all safety sections at ...
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23 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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24 9. Should the engine not start and run within three starting cycles, the lcd window will show “sd start fail”. The starting sequence may be repeated after the starter has had a minimum of two minutes to cool. Press the “fault reset” button to clear the controller. To start the unit, press the gre...
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25 mdc controller 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 liquid crysta...
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26 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 ala...
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27 john deere ecu information displays and functions this unit has a john deere electronic engine control unit (ecu) which regulates the engine speed (rpm) and constantly monitors vital engine functions for a number of operation, alarm and fault conditions. When an operation, alarm or fault conditio...
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28 mdc 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. Adjusting the display back lighting the...
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29 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 “servicet...
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30 high coolant temperature shut down 1. Check the coolant level in the overflow jug. 2. Restart the engine and read the coolant temperature to verify high coolant temperature shut down. Stop the engine immediately if the coolant temperature is 230°f or more. 3. Allow the engine to cool. Add coolant...
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31 generator output connection lugs the generator is equipped with connection lugs behind the lug box door located on the lower portion of the control box. The lugs provide connection points for attachment of external loads to the generator. A large decal on the inside of the connection lug door det...
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32 generator cam lock connections (optional) the generator may be equipped with cam lock connections behind the door on the right side of the customer convenience outlets. These receptacles provide connection points for attachment of external loads to the generator. A large decal on the inside of th...
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33 voltage selector switch (mmg150 & mmg170 only) 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 le...
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34 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 t...
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35 changing output voltage (mmg235 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 main...
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36 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. Ac...
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37 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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38 transfer switch when the generator is used as a standby power supply, it must be equipped with a transfer switch which isolates it from the utility’s distribution system. A transfer switch is designed to transfer electrical loads from the normal power source (utility) to the emergency power sourc...
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39 warning 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 (nec) as well as any state or local codes or regulations. Failure to follow these procedures coul...
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40 engine break-in requirements note: during the first 20 hours of operation, avoid long periods of no load or sustained maximum load operation. If the generator is to run for longer than five minutes without a load, shut the generator down. The engine is supplied with engine break-in oil from the f...
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41 *** if engine manufacturer’s recommended coolant is used, the flushing interval may be extended. See engine operation and maintenance manual. **** check the torque of the generator drive plate bolts after the first 250 hours of operation, then annually. Lifting the generator a large central lifti...
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42 any excess grease from the hub with a clean cloth and replace the rubber plug when finished. The minimum recommended lubrication is every 12 months or 12,000 miles; more frequent lubrication may be required under extremely dusty or damp operating conditions. Auxiliary fuel tank option the auxilia...
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43 trailer plug amber marker lamp amber marker lamp amber marker lamp amber marker lamp red marker lamp identification light bar plate lamp red marker lamp stop-turn signal lamp (left) stop-turn signal lamp (right) fender fender trailer wiring diagram.
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44 blk blu green yellow brown white break awa y s w + ba tt - t o brakes right turn/st o p left turn/st op t a il/marker ground electric brake wiring harness.
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45 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 a ir blk grn/yel (t7) ct -3 brn/wht l2 l3 shunt l1 ct -2 ct -1 blk grn/yel grn/yel grn/yel p a ir blk p a ir blk 1 2 3 4 t4 brn/wht (2.5k, 2 w a tt) adjustment v o lta g e ground ...
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46 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 blk 1 2 3 4 t4 brn/wht (2.5k, 2 w a tt) adjustment vol t age com l1 ground t o gen frame ct1 ct2 ct common ct3 g...
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47 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 blk 6ga p a ir blk 6ga (2.5...
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48 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 11 l1 ct -2 ct -1 breaker grn/yel 14ga grn/yel 10ga grn/yel 10ga p a ir blk 6ga p a ir blk 6ga brn/...
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49 plug loca tion 2 pin plug (rpm) pin rpm in rpm gnd mag in mag ref d+ plug loca tion p in 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 4 pin plug (gen vol t age) phase a vol t...
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50 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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51 service log oil grade and type: ____________________________ brand:___________________________________ coolant mixture: ______________________________ brand:___________________________________ __________________________________________________________________________________________ _____________...
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Rev: f part no: 26277 01.11.10