Application & engineering data, Generator specifications, Generator features – Generac Power Systems Whisper Test 5261 User Manual

Page 2: Voltage regulator, Control panel features, Engine specifications, Governor specifications, Engine lubrication system, Engine cooling system, Fuel system

Advertising
background image

APPLICATION
& ENGINEERING DATA

Rating definitions - Standby: Applicable for supplying emergency power for the duration of the utility power outage. No overload capability is available for this rating. (All ratings in accordance with
BS5514, ISO3046 and DIN6271). (All ratings in accordance with BS5514, ISO3046, ISO8528 and DIN6271).

STANDBY 45 kW

GENERATOR SPECIFICATIONS

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) ................................................................ 45 kW

EXCITATION SYSTEM ........................................................................................... Direct

NOTE: Generator rating and performance in accordance with
ISO8528-5, BS5514, SAE J1349, ISO3046, and DIN6271 standards.

GENERATOR FEATURES

Revolving field heavy duty generator
Directly connected to the engine
Operating temperature rise 120 °C above a 40 °C ambient
Insulation is Class H rated at 150 °C rise
All models are fully prototyped tested

VOLTAGE REGULATOR

TYPE ................................................................................................................Electronic
SENSING ................................................................................................... Single Phase
REGULATION .......................................................................................................... ± 1%
FEATURES ............................................................................................... V/F Adjustable

Adjustable Voltage and Gain

LED

Indicators

CONTROL PANEL FEATURES

SEVEN LED INDICATOR LIGHTS

ADDITIONAL FUNCTIONS

• System ready

• Utility sensing

• Low fuel pressure

• Delay on utility failure for engine start

• Low battery

• Engine warm-up before transfer

• Low oil pressure

• Delay to retransfer to utility

• High coolant temp/low coolant temp

• Engine cooldown timer

• Overspeed

• Exerciser not set

Overcrank

INTERNAL FUNCTIONS:

• 3 position switch (auto, off and manual)

• 2 wire start for any transfer switch

• Communicates with the Generac RTS transfer switch

• Built-in 7 day exerciser

• Selectable engine speed at exercise

• Governor controller is built into the master control board

• Temperature range -40 °

C to 70 °C

ENGINE SPECIFICATIONS

MAKE ................................................................................................................ Generac

MODEL ................................................................................................................. Inline 4

CYLINDERS ...................................................................................................................4

DISPLACEMENT .............................................................................. 2.4 Liter, 146 cu. in.

BORE ........................................................................................................................3.41

STROKE ....................................................................................................................3.94

COMPRESSION RATIO ...........................................................................................8.5:1

INTAKE AIR SYSTEM ....................................................................... Naturally Aspirated

VALVE SEATS .......................................................................................Precision ground

LIFTER TYPE ....................................................... Overhead Valve Push Rod, Hydraulic

GOVERNOR SPECIFICATIONS

TYPE ................................................................................................................Electronic

FREQUENCY REGULATION ....................................................................... Isochronous

STEADY STATE REGULATION .......................................................................... ± 0.25%

ENGINE LUBRICATION SYSTEM

OIL PUMP ................................................................................................................Gear

OIL FILTER ............................................................................. Full flow spin-on cartridge

CRANKCASE CAPACITY ...................................................................................4 Quarts

ENGINE COOLING SYSTEM

TYPE ................................................................................................ Pressurized Closed

WATER PUMP .................................................................................................Belt driven

FAN SPEED .............................................................................................................2060

FAN DIAMETER ............................................................................................... 22 inches

FAN MODE ........................................................................................................... Pusher

FUEL SYSTEM

FUEL TYPE .......................................................................... Natural gas, propane vapor

CARBURETOR...............................................................................................Down Draft

SECONDARY FUEL REGULATOR ................................................................... Standard

FUEL SHUT OFF SOLENOID .......................................................................... Standard

OPERATING FUEL PRESSURE ..................................................................5” - 14” H2O

ELECTRICAL SYSTEM

BATTERY CHARGE ALTERNATOR .............................................................12V 30 Amp

STATIC BATTERY CHARGER .............................................................................. 2 Amp

RECOMMENDED BATTERY ...........................................................Group 26, 525 CCA

SYSTEM VOLTAGE ............................................................................................. 12 Volts

Advertising