CUMMINS MDDCF Bedienungsanleitung PDF herunterladen (Seite 2)

Cummins

, Onan

, the "C" logo, Performance you rely on.™ and Quiet Diesel

are servicemarks, trademarks and/or registered trademarks of Cummins Inc. / Specifications subject to change

A-1469b (01/07)

Standard features

• Advanced digital electronic control providing extensive

diagnostic capability

• SAE J-1939 CAN data link for monitoring generator set

status and diagnostics for engine and alternator

• Cummins Onan Digital Display - graphical LCD display

for generator set operating parameters, diagnostics, and

pre-alarm indication in text format

• Shutdown with diagnostic indicator light for: high engine

coolant temperature, low oil pressure, over

speed/voltage, starter overcrank, additional customer

input and many more

• Electronic governor allows the generator set to maintain

isochronous frequency control and close voltage

regulation to provide quality power for digital appliances

and computers

• Three phase alternator, 90° C rise at 50° C ambient,

brushless, 12 lead reconnectable

• Digital voltage regulator integral with control

• 12 V DC electric system with battery charging, negative

ground

• Mechanical fuel transfer pump with manual priming lever

• Engine starter with automatic start disconnect

• Water cooled exhaust manifold and turbocharger

• Freshwater cooling system with keel cooling connections

• Coolant overflow bottle to easily maintain coolant level

• Dry exhaust elbow with flange connection

• Common fault relay for external alarm

• Combustion air filter with washable element

• Full flow lube oil filter

• Oil drain valve

• Fuel filter/water separator, primary and secondary

• Drip pan

• Bulk head type fuel line connections for ease of

installation

• Captive focalized mounting systems with vibration

isolators

• Single point lifting bracket for ease of installation

• Plug-in watertight connector for optional remote panel

• Closed crankcase ventilation system with filter to

eliminate engine room contamination

• Factory load tested

• Five year limited warranty

Engine details

Design: 4-cycle, turbocharged, water-cooled diesel

Cylinders: 4

Bore: 106.5 mm (4.2 in)

Stroke: 127 mm (5.0 in)

Displacement: 4.5 L (275 in

)

Compression ratio: 17.0:1

Max fuel lift: 3 m (10 ft)

Lube oil capacity: 12.6 L (13.3 qt)

Coolant flow rate: 53 L/min (14 Gal/min)

Raw water flow rate: 70 L/min (18 Gal/min)

Starting system: Remote 3-wire, 12 V starting battery

required, 640 CCA; 24 V optional

Power (max): SAEJ1349

50 Hz at 1500 RPM 61 kW (82 hp)

Fuel injection pump: Stanadyne DE-10

Combustion chamber: Direct injection

Max raw water lift: 3 m (10 ft)

Typical fuel consumption

No. 2 diesel fuel, L/hr (Gal/hr)

1/4 load

1/2 load 3/4 load Full load

40.0 MDDCF

3.9 (1.0) 6.4 (1.7) 9.0 (2.4) 11.5 (3.0)

Alternator details

Generator set performance

Design: Cummins Onan brushless, revolving field, 4-pole

alternator; rigidly coupled to engine and permanently

aligned

Voltage regulator: Solid state, circuit board encapsulated

for corrosion protection

Exciter system: Brushless with 8-pole stator mounted in

endbell; rotating rectifier assemblies are encapsulated for

protection from adverse environments

Stator: Skewed stator and 2/3 pitch windings minimize

field heating and voltage harmonics; resin-coated for

corrosion protection

Rotor: Dynamically balanced assembly; direct-coupled to

engine by flexible drive discs; supported by pre-lubricated,

maintenance-free ball bearing

Cooling: Direct drive centrifugal blower

Insulation system: Class H per NEMA MG1-1.65 and BS

5000

Operating environment: Generator sets are durability

tested at maximum ambient air temperature: 50° C (122° F);

raw water temperature 37.8° C (100° F)

Frequency regulation: Isochronous

Steady-state frequency band: Less than 0.5% per ISO

8528-5

Steady-state voltage deviation: Less than +/-1% per

ISO 8528-5

1 2 3 4

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