Standby Generator Sets

Specifications

SPECIFICATIONS

‹ 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

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

Amp

CB Size

120/240V, 1-phase, 1.0 pf

45

188

200

120/208V, 3-phase, 0.8 pf

45

156

175

277/480V, 3-phase, 0.8 pf

45

68

80

Generator Locked Rotor KVA Available @ Voltage Dip of 35%

 

Single-phase or 208, 3-phase

 

80

KVA

480V, 3-phase

 

100

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

8.5-to-1

Air Intake System

Naturally Aspirated

Valve Seats

Hardened

Lifter Type

Hydraulic

Engine Parameters

 

Rated Synchronous RPM

60 Hz, 3600

HP at rated kW

60 Hz, 71

Exhaust System

 

Exhaust Flow at Rated Output 60 Hz

429 cfm

Exhaust Temperature at Rated Output

1150° F

Combustion Air Requirements (Natural Gas)

Flow at rated power, 60 Hz

144 cfm

Governor

 

Type

Electronic

Frequency Regulation

Isochronous

Steady State Regulation

± 0.25%

Engine Lubrication System

 

Type of Oil Pump

Gear

Oil Filter

Full Flow Spin-on, Cartridge

Crankcase Oil Capacity

4 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

2725 ft3/min.

combustion air)

 

Coolant Capacity

(3.0 U.S. gal.)

Heat Rejection to Coolant

173,000 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 - ft3/hr (Natural Gas/LPV)

Exercise

25%

50%

75%

100%

Cycle

Load

Load

Load

Load

102/40.4

194/77.1

373/148

520/206.3

720/286

‹ELECTRICAL SYSTEM

Battery Charge Alternator

12V, 30 Amp

Static Battery Charger

2 Amp

Recommended Battery

Group 26, 525CCA

System Voltage

12 Volts

Voltage Regulator

 

Type

Electronic

Sensing

Single-phase

Regulation

± 1%

Features

V/F Adjustable, Adjustable

 

Voltage and Gain LED Indicators

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

R-200

6-1

02/06

0 .Rev GenSpec020

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Generac Power Systems 005261-0 owner manual Specifications