Specifications; Stationary Emergency Generator; Engine; Cooling System - Generac Power Systems Stationary emergency generator Owner's Manual

SPECIFICATIONS

STATIONARY EMERGENCY GENERATOR

Type......................................................................Synchronous
Rotor Insulation .............................................................Class H
Stator Insulation ............................................................Class H
Telephone Interference Factor (TIF) .................................. < 50
Alternator Output Leads 3-phase ..................................... 4-wire
Bearings .................................................................. Sealed Ball
Coupling ................................................................Flexible Disc
Load Capacity (Standby Rating) .....................................45kW*
*
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 ............................................................Direct
Generator Output Voltage/kW - 60 Hz kW
120/240V, 1-phase, 1.0 pf
120/208V, 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 (45kW) ........................ 72 KVA
480V, 3-phase (45kW) ................................................ 80 KVA

ENGINE

Make ........................................................................... Generac
Model .............................................................................In Line
Cylinders and Arrangement .....................................................4
Displacement ............................................................... 2.4 Liter
Bore.............................................................................. 3.41 in.
Stroke ........................................................................... 3.94 in.
Compression Ratio....................................................... 9.5-to-1
Air Intake System ......................................... Naturally Aspirated
Valve Seats ................................................................ Hardened
Lifter Type .................................................................. Hydraulic
Spark Plug Gap ..................... 1.07-1.17mm (0.042-0.046 inch)
Engine Parameters
Rated Synchronous RPM .......................................60 Hz, 3600
Exhaust System
Exhaust Flow at Rated Output 60 Hz (45kW) ................420 cfm
Exhaust Temp. at Rated Output (45kW) .........................1100° F
Combustion Air Requirements (Natural Gas)
Flow at rated power, 60 Hz (45kW) ..............................144 cfm
Governor
Type...........................................................................Electronic
Frequency Regulation .............................................Isochronous
Steady State Regulation ..............................................± 0.25%
Specifications
Amp CB Size
45 188 200
45 156 175
45 68 80
Engine Lubrication System
Type of Oil Pump ...............................................................Gear
Oil Filter ......................................... Full Flow Spin-on, Cartridge
Crankcase Oil Capacity ...........................................5.25 U.S. qts.

COOLING SYSTEM

Type............................................. Pressurized Closed Recovery
Water Pump ............................................................. Belt Driven
Fan Speed ..................................................................2150 rpm
Fan Diameter ..............................................................22 inches
Fan Mode ......................................................................... Puller
Air Flow (inlet air including alternator and
combustion air) ................................................. 2725 ft
Coolant Capacity ................................................. (3.0 U.S. gal.)
Heat Rejection to Coolant (45kW) .......................193,000 Btu/h
Maximum Operating Air Temp. on Radiator ......... 60° C (150° F)
Maximum Ambient Temperature ......................... 50° C (140° F)

FUEL SYSTEM

Type of Fuel ....................................Natural Gas, Propane Vapor
Carburetor............................................................... Down Draft
Secondary Fuel Regulator............................................ Standard
Fuel Shut-off Solenoid ................................................. Standard
Operating Fuel Pressure ................. 5 in. - 14 in. Water Column
Fuel Consumption - ft
Exercise 25%
Cycle Load
45kW 65/25 210/83

ELECTRICAL SYSTEM

Battery Charge Alternator ......................................12V, 30 Amp
Static Battery Charger ..................................................2.5 Amp
Recommended Battery .................................Group 26, 525CCA
System Voltage ............................................................ 12 Volts
Voltage Regulator
Type...........................................................................Electronic
Sensing ................................................................ Single-phase
Regulation ........................................................................± 1%
Features ......................................... Adjustable Voltage and Gain
Power Adjustment for Ambient Conditions
Temperature Deration
3% for every 10° C above °C (45kW) ..................................25
1.65% for every 10° above °F (45kW) .................................77
Altitude Deration
1% for every 100 m above m (45kW) ...............................183
3% for every 1000 ft. above ft. (45kW) .............................600
Controller ................................................................. Nexus
6-1
(including filter capacity)
3 /hr (Natural Gas/LPV)
50% 75%
Load Load
380/151 545/216
05/11 B
3
/min.
100%
Load
730/290
Rev. GenSpec085