Magnum MMG25FHZ Operator's Manual

25www m-p-llc comGASOLINE POWEREDGENERATORMMG25FHZOPERATING MANUAL

10COMPONENT LOCATIONS

11FRONT HOOD OPERATIONWARNINGStay clear of hood and lift structure when opening and closing generator hoods. Personal injury may result.To open the fr

12REAR HOOD OPERATIONWARNINGStay clear of hood and lift structure when opening and closing generator hoods. Personal injury may result.To open the rea

13REAR HOOD OPERATION, CONTINUEDWARNINGStay clear of hood and lift structure when opening and closing generator hoods. Personal injury may result.To c

1415141312111098765316421CHECKENGINEMAIN CONTROL PANEL FEATURES1. CONTROL PANEL LIGHT (OPTIONAL)2. MAGNUM DIGITAL CONTROL PANEL: Controls and monitors

150kReadyPF 0.00RPM 0 0MAN AUT12345MAGNUM DIGITAL CONTROLLER (MDC)The Magnum Digital Controller (MDC) is an enhanced digital generator co

16• “AUTO X” ButtonPress this button to change from Manual starting mode to Automatic (remote) starting mode.• “ALARM CANCEL” ButtonWhen an alarm is a

17ENGINE MONITORINGEngine information is shown on the Liquid Crystal Display (LCD) window in a toggling manner with the Generator information after th

18alarm or code at the bottom of the screen. The controller stores up to 118 codes. When full, the controller will automatically remove the oldest fil

19GENERATOR START UPBefore starting the generator, carefully read over the pre-start check list. Make sure that all of the items are checked before tr

2INTRODUCTIONThis manual provides information and procedures to safely operate and maintain the engine and generator. For your own safety and protecti

204. Press the green “ENGINE START” button. The Prestart (Preheat) screen will be displayed (if equipped) and a countdown will begin from 20 seconds t

2110. Once the engine starts it will immediately begin speeding up to a constant 1800 rpm. On units with isochronous engine governing, the engine may

22MDC CONTROLLER INFORMATION DISPLAYS, FUNCTIONS AND RESETThe Magnum Digital Controller (MDC) constantly monitors vital generator and engine functions

23MAGNUM DIGITAL CONTROLLER (MDC)- LIST OF POSSIBLE ALARMS/DESCRIPTIONSShut down and warning fault conditions and the displayed message are described

24ENGINE CONTROLLERThe Zenith ZPP 428 is equipped with an engine controller that regulates the engine speed (RPM) and constantly monitors vital engine

25MAGNUM DIGITAL CONTROLLER (MDC) – HISTORYThe Magnum Digital Controller (MDC) controller stores a record of each important event into the history fil

26RESETTING OF THE “TIME TO SERVICE” REMINDERThe Magnum Digital Controller (MDC) will display the message “WrnServiceTime” when the unit is due for ma

27LOW COOLANT LEVEL SHUTDOWN1. Allow the engine to cool.2. Check the coolant level in the radiator. Remove the radiator cap and add coolant until it i

28GENERATOR OUTPUT CONNECTION LUGSThe generator is equipped with connection lugs behind the lug door next to the customer convenience outlets. The lug

29LOCKL1L2L3N (Neutral)G (Ground)BlackRedBlueWhiteGreenGENERATOR CAM LOCK CONNECTIONS (OPTIONAL)The generator may be equipped with cam lock connection

3TABLE OF CONTENTS pageINTRODUCTION ...

30VOLTAGE SELECTOR SWITCHThe voltage selector switch is located under the control panel, next to the output connection lugs. The selector switch is a

314-POSITION VOLTAGE SELECTOR SWITCH (OPTIONAL)The voltage selector switch is located under the control panel, next to the connection lugs. This optio

32ON IOFF OEMERGENCY STOP SWITCHThe generator is equipped with one emergency stop switch, located on the rear corner of the unit next to the control p

33CUSTOMER CONVENIENCE OUTLETSThe generator is equipped with four convenience outlets. The large outlets are 240/120 VAC twist-lock receptacles rated

34INCOMINGUTILITYPOWERWHITE = INCOMING UTILITY POWERGRAY = NORMAL UTILITY POWER CIRCUITBLACK = EMERGENCY GENERATOR POWER CIRCUITUTILITYMETERTRANSFERSW

35ENGINE BREAK-IN REQUIREMENTSNote: During the first 20 hours of operation, avoid long periods of no load or sustained maximum load operation. If the

36DAILY MAINTENANCE CHECKSCheck the engine oil level daily before starting engine. DO NOT start the generator if the oil level is below the ADD mark o

37LIFTING THE GENERATORA large central lifting eye is located on the top of the generator. The eye is connected to a central lifting frame inside the

38TRAILER WIRING DIAGRAMELECTRIC BRAKE WIRING DIAGRAMBLKBLUGREENYELLOWBROWNWHITEBREAK AWAY SW+ BATT -TO BRAKESRIGHT TURN/STOPLEFT TURN/STOPTAIL/MARKER

39BREAKER240V 50A240V 50ABREAKER5913610 147811121516(T7)L2 L3SHUNTL1BREAKERBLKBLK 1234(2.5K, 2 WATT)ADJUSTMENTVOLTAGEL060HZ50HZON REGULATOR4 AMP FUSEW

4This 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

40BREAKER240V 50A240V 50ABREAKER(T7)SHUNTBREAKERBLKBLK (2.5K, 2 WATT)ADJUSTMENTVOLTAGE60HZ50HZWHTF-F+3E3/467BLK50A240VRCPT.GFCIRECPT120VRCPT.240V50A12

41 2 PIN PLUG (RPM)RPM INRPM GNDSMALL 3 PIN ANALOG INPUTSOIL INFUEL IN WATER INAI1AI2AI3NEUTRALCOM4CT NEUTRALL3L2L1D++RELAY BOARDPOWER + DCD+CONTROL

42SERVICE LOGOIL GRADE AND TYPE: ____________________________ BRAND: __________________________________COOLANT MIXTURE: ______________________________

43NOTES:______________________________________________________________________________________________________________________________________________

REV: ORG (WD)PART NO:2745905.12.09

5ENGINE SAFETYInternal combustion engines present special hazards during operation and fueling! Failure to follow the safety guidelines described belo

6Towing a trailer requires care! Both the trailer and vehicle must be in good condition and securely fastened to each other to reduce the possibility

7Hot surface(s) nearby.Fire/explosion hazard; Keep open flames away from unit.Read and understand the supplied operator’s manual before operating unit

8SPECIFICATIONSRead this manual carefully before attempting to use this generator. The potential for property damage, personal injury or death exists

9MAGNUM PRODUCTS LLCBERLIN, WI 54923 USA(800) 926-9768MODELSERIAL NUMBER000000 kg lbsMADE IN USA MANUF