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  4. MMG25FHZ
  5. Operating Manual

Magnum MMG25FHZ Operating Manual

Summary of MMG25FHZ

  • Page 1

    25 www m-p-llc com gasoline powered generator mmg25fhz 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 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. Safety notes 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 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...

  • Page 7

    7 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 unleaded gasoline only. Unit elec...

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    8 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...

  • Page 9

    9 magnum products llc berlin, wi 54923 usa (800) 926-9768 model serial number 000000 kg lbs made in usa manufactured by/fabrique par: magnum products llc gvwr/pnbv: date: cold infl. Press./press. De gonf a froid gawr/pnbe tire/pneu rim/jante kpa(psi/lpc) sgl/dual this vehicle conforms to all applica...

  • Page 10

    10 component locations.

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    11 front hood operation warning stay clear of hood and lift structure when opening and closing generator hoods. Personal injury may result. To open the front hood: 1. With your right hand, grip the handle located on the upper right side of the front panel. 2. With your left hand, pull the hood latch...

  • Page 12

    12 rear hood operation warning stay clear of hood and lift structure when opening and closing generator hoods. Personal injury may result. To open the rear hood: 1. Open front hood. 2. Verify that the control door is completely closed and secure. 3. Pull lever located under lift structure to release...

  • Page 13

    13 rear hood operation, continued warning stay clear of hood and lift structure when opening and closing generator hoods. Personal injury may result. To close the rear hood: 1. Make sure the skid is free of debris and all personnel are clear of unit. 2. Verify that the control door is completely clo...

  • Page 14

    14 15 14 13 12 11 10 9 8 7 6 5 3 16 4 2 1 check engine main control panel features 1. Control panel light (optional) 2. Magnum digital control panel: controls and monitors engine and generator operation. See page 15 for more information. 3. Control panel light switch (optional): operates optional co...

  • Page 15

    15 0 k ready pf 0.00 rpm 0 0 man aut 1 2 3 4 5 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 ...

  • Page 16

    16 • “auto x” 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 faul...

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    17 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...

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    18 alarm or code at the bottom of the screen. The controller stores up to 118 codes. When full, the controller will automatically remove the oldest file. These codes will not be lost when the control power toggle switch is powered off. Fine voltage adjustment upon start-up of the generator, the “run...

  • Page 19

    19 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 make sure the contro...

  • Page 20

    20 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...

  • Page 21

    21 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 ...

  • Page 22

    22 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...

  • Page 23

    23 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...

  • Page 24

    24 engine controller the zenith zpp 428 is equipped with an engine controller that 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 condition occurs, the liquid crystal display (lc...

  • Page 25

    25 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...

  • Page 26

    26 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...

  • Page 27

    27 low coolant level shutdown 1. Allow the engine to cool. 2. Check the coolant level in the radiator. Remove the radiator cap and add coolant until it is 3/4” below the filler neck. Secure the radiator cap back into its original position. 3. Inspect coolant hoses, engine block and water pump for vi...

  • Page 28

    28 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...

  • Page 29

    29 lock l1 l2 l3 n (neutral) g (ground) black red blue white green generator cam lock connections (optional) the generator may be equipped with cam lock connections located behind the lug door next to the customer convenience outlets. These receptacles provide connection points for attachment of ext...

  • Page 30

    30 voltage selector switch the voltage selector switch is located under the control panel, next to the output connection lugs. The selector switch is a three position switch that mechanically changes the connections between the generator output leads and the connection lugs or optional cam lock conn...

  • Page 31

    31 4-position voltage selector switch (optional) the voltage selector switch is located under the control panel, next to the connection lugs. This optional selector switch is a four position switch that mechanically changes the connection between the generator output leads and the connection lugs or...

  • Page 32

    32 on i off o emergency stop switch the generator is equipped with one emergency stop switch, located on the rear corner of the unit next to the control panel door. The switch is clearly labeled with “emergency stop” and it is red in color. The switch can be accessed and activated with all doors clo...

  • Page 33

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

  • Page 34

    34 incoming utility power white = incoming utility power gray = normal utility power circuit black = emergency generator power circuit utility meter transfer switch main distribution panel (utility power) emergency distribution panel (generator power) power from generator remote start terminal block...

  • Page 35

    35 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...

  • Page 36

    36 daily maintenance checks check the engine oil level daily before starting engine. Do not start the generator if the oil level is below the add mark on the dipstick. The normal operating level for the engine oil is anywhere in the crosshatch pattern between the full and add markings. Add oil to th...

  • Page 37

    37 lifting the generator a large central lifting eye is located on the top of the generator. 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 ha...

  • Page 38

    38 trailer wiring diagram electric brake wiring diagram blk blu green yellow brown white break away sw + batt - to brakes right turn/stop left turn/stop tail/marker ground.

  • Page 39

    39 breaker 240v 50a 240v 50a breaker 5 9 13 6 10 14 7 8 11 12 15 16 (t7) l2 l3 shunt l1 breaker blk blk 1 2 3 4 (2.5k, 2 w a tt) adjustment vol t age l0 60hz 50hz on regula t o r 4 amp fuse wht f- f+ 3 4 6 7 blk mechanical lugs 50a 240v rcpt. Gfci recpt 120v 17 21 25 18 22 26 19 20 23 24 27 28 rcpt....

  • Page 40

    40 breaker 240v 50a 240v 50a breaker (t7) shunt breaker blk blk (2.5k, 2 w a tt) adjustment vol t age 60hz 50hz wht f- f+ 3 e3/4 6 7 blk 50a 240v rcpt. Gfci recpt 120v rcpt. 240v 50a 120v 20a brker 120v recpt gfci pm300 vol t age regula t o r 12vdc (t9) brker 20a 120v circuit safety switch lug door ...

  • Page 41

    41 2 pin plug (rpm) rpm in rpm gnd small 3 pin analog inputs oil in fuel in w a ter in ai1 ai2 ai3 neutral com 4 ct neutral l3 l2 l1 d+ + rela y board power + dc d+ control power remote st ar t low coolant option open open bo1 sr t bo2 fue c1 (+12vdc) bo1 c2 (+12vdc) bo2 prehea t open open open bo3 ...

  • Page 42

    42 service log oil grade and type: ____________________________ brand: __________________________________ coolant mixture: ______________________________ brand: __________________________________ __________________________________________________________________________________________ _____________...

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    43 notes: __________________________________________________________________________________________ __________________________________________________________________________________________ __________________________________________________________________________________________ _________________...

  • Page 44

    Rev: org (wd) part no:27459 05.12.09.