Onan Ensign 4500 - Specifications

Section 2. Specifications
GENERATOR
Type ................................................ Revolving Field, 4-Pole, Self-Excited
Standby Ratings:
60 Hertz, 6.5 MCE
........................................... 6.5 kW, (6.5 kVA @ 1.0 PF)
60 Hertz, 4.5 MCE
........................................... 4.5 kW, (4.5 kVA @ 1.0 PF)
50 Hertz, 5.0 MCE ........................................... 5.0 kW, (5.0 kVA @ 1.0 PF)
AC Voltage Regulation
............................................................. +5%
Frequency Regulation ...................................................... .5% (3 Hertz)
ENGINE
Engine Type ............................................ Onan@ MCE, 2-Cylinder Opposed
Engine Speed (r/min)
......................................................... I800/1500
Exhaust Outlet Hose Size
............................................... .2.0 in. (50.8 mm)
Fuel..
.............................................................. Unleaded, 88 octane
Fuel Inlet Size..
............................................................ .1/4-18 NPT
Fuel Consumption, Average
@ Full Load:
60 Hertz, 6.5 MCE
.................................................... 1.3 gph (5.0 Lph)
60 Hertz, 4.5 MCE
.................................................... 1.6 gph (6.1 Lph)
50 Hertz, 5.0 MCE .................................................... 1.1 gph (4.2 Lph)
Fuel Inlet Size..
......................................................... 1/4-18 NPTF
Fuel Return Outlet Size
................................................... .1/8-27 NPT
Minimum Cold Cranking Amps
@ 0°F (-18°C). ...................................... 360
Voltage
........................................................................... 12
Capacity, Heat Exchanger System.. .................................... .10 Quarts (9.4 L)
Heat Rejection:
60 Hertz
@ Load, Block & Exhaust Manifold.. ............................ 800 BTU/min
50 Hertz @ Load, Block & Exhaust Manifold.. ............................ 650 BTU/min
Heat Exchanger System, Thermostat Open
......................... .2.2 gpm (8.3 L/min)
Sea Water, Heat Exchanger System
.............................. .3.0 gpm (1 1.4 L/min)
Sea Water Cooling System
...................................... -3.0 gpm (1 1.4 L/min)
Heat Exchanger System, Thermostat Open
......................... .2.2 gpm (8.3 L/min)
Sea Water, Heat Exchanger System
............................... .2.5 gpm (9.5 L/min)
Sea Water Cooling System
....................................... .2.5 gpm (9.5 L/min)
Sea Water Pump
Dry Lift, Maximum ............................................ 3 ft (0.9 m)
Total Air Required (Generator Cooling and Combustion):
60 Hertz..
.................................................... .146 ft3/min (4.1 m3/min)
50 Hertz .................................................... 120 cu. ft./min (3.4 m3/min
Engine Oil Capacity with Filter
............................................ .3 Quarts (2.8 L)
Battery Requirements:
Cooling System:
Cooling Flow Rate, 60 Hertz:
Cooling Flow Rate,
50 Hertz:
2-1