Specifications; Engine; Cooling System; Fuel System - Generac Power Systems 4.6L Owner's Manual

SPECIFICATIONS

STATIONARY EMERGENCY GENERATOR
Type......................................................................Synchronous
Rotor Insulation .............................................................Class H
Stator Insulation ............................................................Class H
Total Harmonic Distortion .................................................< 5%
Telephone Interference Factor (TIF) .................................. < 50
Alternator Output Leads 3-phase ..................................... 6-wire
Bearings .................................................................. Sealed Ball
Coupling ................................................................Flexible Disc
Load Capacity (Standby Rating) .....................................80kW*
*
NOTE: Generator rating and performance in accordance with ISO8528-5, BS5514, SAE
J1349, ISO3046 and DIN 6271 Standards. KW rating is based on LPG fuel and may derate
with natural gas.
Excitation System ......................................................Brushless
Generator Output Voltage/kW - 60 Hz
120/240V, 1-phase, 1.0 pf
120/208V, 3-phase, 0.8 pf
120/240V, 3-phase, 0.8 pf
277/480V, 3-phase, 0.8 pf
Generator Locked Rotor KVA Available @ Voltage Dip of 35%
Single-phase or 208 3-phase .................................... 160 KVA
480V, 3-phase .......................................................... 185 KVA

ENGINE

Make ........................................................................... Generac
Model ............................................................................. V-type
Cylinders and Arrangement .....................................................8
Displacement ............................................................... 4.6 Liter
Bore.............................................................................. 3.55 in.
Stroke ........................................................................... 3.54 in.
Compression Ratio....................................................... 9.4-to-1
Air Intake System ......................................... Naturally Aspirated
Valve Seats ................................................................ Hardened
Lifter Type .................................................................. Hydraulic
Engine Parameters
Rated Synchronous RPM .......................................60 Hz, 3600
Gross HP at rated kW ..............................................60 Hz, 128
Exhaust System
Exhaust Flow at Rated Output 60 Hz .............................720 cfm
Exhaust Temperature at Rated Output ..............................840° F
Combustion Air Requirements (Natural Gas)
Flow at rated power, 60 Hz ...........................................250 cfm
Governor
Type...........................................................................Electronic
Frequency Regulation .............................................Isochronous
Steady State Regulation ................................................± .25%
Adjustments:
Speed ..................................................................... Selectable
Individual parameter adjustments can be made via GenLink.
Stationary Emergency Generator
Specifications
kW Amp CB Size
77 320 400
80 278 300
80 249 300
80 120 150
6-1
Engine Lubrication System
Type of Oil Pump ...............................................................Gear
Oil Filter .......................................................Full Flow, Cartridge
Crankcase Oil Capacity ............................................ 6 U.S. qts.

COOLING SYSTEM

Type Closed
Water Pump ............................................................. Belt Driven
Fan Speed .........................................................................1600
Fan Diameter ..............................................................26 inches
Fan Mode ......................................................................... Puller
Air Flow (inlet air including alternator and
combustion air) ................................................. 5300 ft
Coolant Capacity ................................................. (4.0 U.S. gal.)
Heat Rejection to Coolant ....................................316,000 Btu/h
Maximum Operating Air Temp. on Radiator ......... 60° C (150° F)
Maximum Ambient Temperature ......................... 50° C (140° F)

FUEL SYSTEM

Type of Fuel ................................................. See Caution below
Carburetor............................................................... Down Draft
Secondary Fuel Regulator............................................ Standard
Fuel Shut-off Solenoid ................................................. Standard
Operating Fuel Pressure ............... 11 in. - 14 in. Water Column
Fuel Consumption - ft 3 /hr (Natural Gas/LPV)
Exercise 25%
Cycle Load
131/53 312/126

Engine is not field convertible between
natural gas and propane. Jet size and ignition
timing are factory set for the specific fuel.

ELECTRICAL SYSTEM

Battery Charge Alternator ......................................12V, 30 Amp
Static Battery Charger .............................................12V, 2 Amp
Recommended Battery .......................................... 24F 525CCA
System Voltage ............................................................ 12 Volts
Voltage RegulatorType ............................................ Full Digital
Sensing ....................................................................... 3-phase
Regulation .................................................................... ± 1/4%
Features ...................................... Built into H-100 Control Panel
Power Adjustment for Ambient Conditions
Temperature Deration
3% for every 10° C above °C ..............................................25
1.65% for every 10° above °F .............................................77
Altitude Deration
1% for every 100 m above m............................................183
3% for every 1000 ft. above ft. .........................................600
Controller ............................................................... H-panel
50% 75% 100%
Load Load Load
600/241 835/336 1154/465
V/F Adjustable, Adjustable
Voltage and Gain
/min.
3