Generac Power Systems Mobile Power MMG320 User manual

Manufactured by Magnum Power Products LLC., a wholly owned subsidiary of Generac Power Systems, Inc.
Phone: [phone] Fax: [phone] www.m-p-llc.com Page 1 of 4
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Mobile Generator – MMG320 Specifications
ENGINE
John Deere®RG6090HF485 - turbocharged, diesel engine
oPrime - 384 hp @ 1800 rpm
oStandby - 422 hp @ 1800 rpm
o6 cylinder
o9.0 L displacement
oTier III approved
Steel, single wall fuel tank
o459 gal. capacity
o24 hr. run time – full load
oFuel tank built into skid of generator set
Fuel consumption at prime:
o100% - 17.9 gph (67.8 Lph)
o75% - 13.4 gph (50.7 Lph)
o50% - 9.0 gph (34.1 Lph)
Cooling system capable of operating at 120°F ambient
Low coolant shutdown
Radiator and oil drains plumbed to exterior
Rubber vibration dampers isolate engine/generator from frame
In-line engine block heater
Disposable air filter - paper element
Air filter restriction indicator mounted on control panel
60 Hz engine/generator
Electronic isochronous governing
GENERATOR
Marathon Electric®
oBrushless
o4 pole
oClass H insulation
Voltage regulation +/- 1% with Marathon SE350 Voltage Regulator
SYSTEM OUTPUT
Link / Reconnect Board:
oThree phase – 120 / 208V Low Wye
oThree phase – 277 / 480V High Wye
278 kW / 348 kVA – standby, three phase
256 kW / 320 kVA – prime, three phase
SYSTEM CONTROLS
Microprocessor-based controller
oBacklit, 128x64 pixel resolution display
o-40°F to 185°F operating temperature range
oThermostatically controlled LCD heater
320
MOBILEPOWER
MOBILEPOWER

MMG320 Generac Specifications Continued:
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oSix LED indicators w/ lamp test
Alarm / Fault (Red)
Ready / Manual (Red)
Running (Green)
Warning (Yellow)
Ready / Auto (Green)
Supplying Load (Green)
Push buttons for easy operation
oManual or Auto Start
oEngine Start or Stop
oAlarm Cancel & Fault Reset
oScrolling Arrows for Diagnostic Information
System kW output display
Line output & frequency display
Engine diagnostic display
Oil pressure
Engine temperature
Fuel level
Battery
System hours
Running hours
kW hours
Time to service
oAlarm list – warnings / shutdowns are date & time stamped
Fuel level: warning – 15%; shutdown – 5%
Overspeed protection: shutdown – 115%
Oil pressure: warning – 25 psi; shutdown – 20 psi
Coolant temperature: warning – 220°F; shutdown – 230°F
Battery voltage: over – 15VDC; under – 11VDC
Generator over voltage: warning – 110%; shutdown – 111%
Generator under voltage: warning – 87%; shutdown – 86%
Generator over frequency: warning – 105%; shutdown – 110%
Generator under frequency: warning – 95%; shutdown – 90%
Over current shutdown
ELECTRICAL CONTROLS
Remote start / stop contacts located next to lug box
Lockable control box door with diagnostics window
Lockable lug box with safety switch
oTrips main breaker when lug door is opened
oDisables voltage regulator
Cable entry guides to the lug box
oRestricts access of foreign objects
Output ground connection lug inside lug box
1200A main breaker with shunt trip
Convenience receptacles with individual breakers (restricted use in high wye mode)
o(2) 120V 20 Amp GFCI duplex outlets (Nema 5-20R type)
o(3) 125 / 250V 50 Amp, 3 pole, 4 wire twistlock (Non-Nema 6369)
oBuck Transformer kit – Provides 120V at GFCI outlets when in 277/480V
Panel mounted rheostat for voltage adjustment - +/- 10%

MMG320 Generac Specifications Continued:
Manufactured by Magnum Power Products LLC., a wholly owned subsidiary of Generac Power Systems, Inc.
Phone: [phone] Fax: [phone] www.m-p-llc.com Page 3 of 4
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(2) 1000 CCA wet cell batteries
oBattery disconnect switch
o2A trickle battery charger
ENCLOSURE
Generac Mobile Power decals
Aluminum, sound attenuated enclosure
oUV & fade resistant, high temperature cured, white polyester powder paint
oInsulated and baffled
o68 dB(A) at 23 feet – prime power
Fully lockable enclosure including doors and fuel fill
Stainless steel hinges on doors
Emergency stop switch located on outside of enclosure
Central lifting point
Multi-lingual operating/safety decals
Document holder with operating manual including AC/DC wiring diagrams
TRAILER
DOT approved tail, side, brake, and directional lights
oRecessed rear lights
Transportation tie downs
Safety chains with spring loaded safety hooks
3” lunette ring hitch
(2) 8000 lb. axles with electric brakes
15000 lb. tongue jack with footplate
ST215/75R17.5 tubeless tires – 16 ply
WEIGHTS & DIMENSIONS
Skid mounted
Dry weight: 8039 lbs (3646 kg)
Operating weight: 11499 lbs (5216 kg)
156 x 60 x 90 in
(3.96 x 1.52 x 2.29 m)
Trailer mounted
Dry weight: 10912 lbs
(4950 kg)
Operating weight: 14372 lbs
(6519 kg)
230 x 102 x 110 in
(5.84 x 2.59 x 2.79 m)
WARRANTY
Engine and generator covered under OEM warranty – consult factory for details.
CERTIFICATIONS
CSA certified

MMG320 Generac Specifications Continued:
Manufactured by Magnum Power Products LLC., a wholly owned subsidiary of Generac Power Systems, Inc.
Phone: [phone] Fax: [phone] www.m-p-llc.com Page 4 of 4
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MMG320 Options
GENERATOR OPTIONS
PMG Generator - critical grade power quality
Super Start Generator - motor starting applications
VOLTAGE OUTPUT OPTIONS
4 position phase switch
Single phase – 120 / 240V Zig Zag
Three phase – 120 / 208V Low Wye
Three phase – 277 / 480V High Wye
Three phase – 120 / 240V Delta
Dedicated voltage configurations
Cam locks
SYSTEM CONTROLS OPTIONS
Auxiliary strobe/audible indication for soft & hard alarm conditions
COOLANT OPTIONS
60/40 Coolant - cold weather applications
ENCLOSURE OPTIONS
Fire extinguisher
Interior cabinet light
Control panel light
FUEL TANK OPTIONS
36 hr. single wall fuel tank
120% Containment
Fuel transfer pump
TRAILER OPTIONS
6 pin or 7 spade electrical connectors
Spare tire/wheel kit
HITCH OPTIONS
Adjustable height - 3” lunette ring