Generac Power Systems Whisper - Test UL 2200, Guardian Elite Whisper-Test Specification Sheet
Standby Power Rating
70 kW 60 Hz
Liquid Cooled Gas Engine Generator Sets
Whisper-Test™
Low Speed Exercise
61 dB(A) at 23 feet
GENERAC 6.8L ENGINE
Naturally Aspirated
Gaseous Fueled
UL 2200 Listed
STANDARD EQUIPMENT
• All input connections in one single area
• High coolant temperature shutdown
• Low oil pressure shutdown
• Low coolant level automatic shutdown
• Low fuel pressure
• Overspeed automatic shutdown
• Adjustable cranking timer
• Adjustable exercise timer
• Oil drain extension
• Cool flow radiator
• Closed coolant recovery system
FEATURES
• Innovative design and fully prototype tested
• UL 2200 Listed
• Solid state frequency compensated voltage regulator
• Dynamic and static battery charger
• Sound attenuated acoustically designed enclosure
• Whisper-Test™ for low noise level exercise
• Acoustically designed engine cooling system
• High flow low noise factory engineered exhaust system
• State of the art digital control system with H-100 microprocessor
control panel
Transfer Switch is sold separately
• UV/Ozone resistant hoses
• Watertight state of the art electrical connectors
• Mainline circuit breaker
• Oil drain extension to frame rail
• Radiator drain extension
• Battery charge alternator
• 2 Amp static battery charger
• Battery, battery rack and battery cables
• Fan and belt guards
• Isochronous governor
• Flex fuel line pigtail
• Watertight electrical connectors
• Rodent proof construction
• High
• Vibration isolated from mounting base
• Matching Generac transfer switches engineered and tested
to work as a system
• All components easily accessible for maintenance
• Electrostatically applied powder paint
• Built-in kW, kVAR and power factor meters
efficiency, low distortion Generac designed alternator
COMMERCIAL SERIES
APPLICATION
& ENGINEERING DATA
GENERATOR SPECIFICATIONS
TYPE ................................................................................................................Synchronous
ROTOR INSULATION ................................................................................................Class H
STATOR INSULATION .............................................................................................. Class H
TOTAL HARMONIC DISTORTION ...............................................................................<3.5%
TELEPHONE INTERFERENCE FACTOR (TIF) .................................................................. <50
ALTERNATOR OUTPUT LEADS 3 PHASE ....................................................................4 wire
BEARINGS...........................................................................................................Sealed Ball
COUPLING ....................................................................................................... Flexible Disc
LOAD CAPACITY (STANDBY RATING) ....................................................................... 70 kW
EXCITATION SYSTEM .................................................................................................Direct
NOTE: Generator rating and performance in accordance with
ISO8528-5, BS5514, SAE J1349, ISO3046, and DIN6271 standards.
VOLTAGE REGULATOR
TYPE ................................................................................................................... Full Digital
SENSING..................................................................................................................3 Phase
REGULATION ............................................................................................................± 1/4%
FEATURES............................................................................Built into H-100 Control Panel
V/F Adjustable
Adjustable Voltage and Gain
COMMERCIAL 70 kW
ENGINE SPECIFICATIONS
MAKE ...................................................................................................................... Generac
MODEL ......................................................................................................................V Type
CYLINDERS ..................................................................................................................... 10
DISPLACEMENT ..................................................................................................... 6.8 Liter
BORE............................................................................................................................. 3.55
STROKE ........................................................................................................................ 4.17
COMPRESSION RATIO ................................................................................................... 9:1
INTAKE AIR SYSTEM ..............................................................................Naturally Aspirated
VALVE SEATS ........................................................................................................ Hardened
LIFTER TYPE ......................................................................................................... Hydraulic
GOVERNOR SPECIFICATIONS
TYPE .....................................................................................................................Electronic
FREQUENCY REGULATION ...............................................................................Isochronous
STEADY STATE REGULATION .................................................................................± 0.25%
All functions are factory preset
Individual parameter adjustments can be made via GenLink
®
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 prototype models have passed three phase short circuit testing
CONTROL PANEL FEATURES
TWO FOUR LINE LCD DISPLAYS READ:
• Voltage (all phases) • Current (all phases)
• Power factor • kW
• kVAR • Transfer switch status
• Engine speed • Low fuel pressure
• Run hours • Service reminders
• Fault history • Oil pressure
• Coolant temperature • Time and date
• Low oil pressure shutdown • High coolant temperature shutdown
• Overvoltage • Overspeed
• Low coolant level • Low coolant level
• Not in auto position (flashing light) • Exercise speed
• ATS selection
INTERNAL FUNCTIONS:
• I2T function for alternator protection from line to neutral and line to line short circuits
• Emergency stop
• Programmable auto crank function
• 2 wire start for any transfer switch
• Communicates with the Generac HTS transfer switch
• Built-in 7 day exerciser
• Adjustable engine speed at exerciser
• RS232 port for GenLink
• RS485 port remote communication
• Canbus addressable
• Governor controller and voltage regulator are built into the master control board
• Temperature range -40 °
®
control
C to 70 °C
ENGINE LUBRICATION SYSTEM
OIL PUMP ..................................................................................................................... Gear
OIL FILTER ..................................................................................Full flow spin-on cartridge
CRANKCASE CAPACITY ......................................................................................... 5 Quarts
ENGINE COOLING SYSTEM
TYPE ......................................................................................................................... Closed
WATER PUMP ......................................................................................................Belt driven
FAN SPEED .................................................................................................................. 2030
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 .......................................................................11” - 14” H2O
ELECTRICAL SYSTEM
BATTERY CHARGE ALTERNATOR .....................................................................12V 30 Amp
STATIC BATTERY CHARGER ...............................................................................12V 2 Amp
RECOMMENDED BATTERY ..................................................................Group 24F, 525CCA
SYSTEM VOLTAGE.................................................................................................. 12 Volts
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).
COMMERCIAL 70 kW
COMMERCIAL SERIES
OPERATING DATA
COMMERCIAL 70 kW
KW RATING 70
ENGINE SIZE 6.8 Liter V-10
GENERATOR OUTPUT VOLTAGE/KW - 60 Hz KW AMP CB Size
120/240V, single phase, 1.0 pf 70 LP / 68 NG 291.6 LP / 283.3 NG 300
120/208V, 3-phase, 0.8 pf 70 LP / 68 NG 243.1 LP / 236.2 NG 300
120/240V, 3-phase, 0.8 pf 70 LP / 68 NG 210.7 LP / 204.7 NG 250
277/480V, 3-phase, 0.8 pf 70 LP / 68 NG 105.3 LP / 102.4 NG 125
GENERATOR LOCKED ROTOR KVA
AVAILABLE @ VOLTAGE DIP OF 35%
Single phase or 208V & 240V 3-phase 145
480V 3-phase 160
ENGINE FUEL CONSUMPTION
(ft3/hr.) (gal/hr.) cu ft/hr
Exercise cycle 110 1.20 44.2
25% of rated load 260 2.85 104.9
50% of rated load 499 5.46 200.9
75% of rated load 696 7.62 280.4
100% of rated load 1020 11.17 411
ENGINE COOLING
Air flow
(inlet air including alternator and combustion air) ft
System coolant capacity US gal. 4.5
Heat rejection to coolant BTU/hr. 287,000
Max. operating air temp. on radiator °C (°F) 60 (150)
Max. ambient temperature °C (°F) 50 (140)
(Natural Gas) (Propane) Natural Gas Propane
3
/min. 5200
COMBUSTION AIR REQUIREMENTS
Flow at rated power 60 Hz cfm 205
SOUND EMISSIONS IN DBA
db(A) @ 23 feet in exercise mode 61
db(A) @ 23 feet at normal operating load 65
EXHAUST
Exhaust flow at rated output 60 Hz cfm 557
Exhaust temp. at muffler outlet °F 890
ENGINE PARAMETERS
Rated synchronous RPM 60 Hz 1800
HP at rated KW 60 Hz 110.7
POWER ADJUSTMENT FOR AMBIENT CONDITIONS
Temperature Deration
3% for every 10 °C above - °C 25
1.65% for every 10 °F above - °F 77
Altitude Deration
1% for every 100 m above - m 183
3% for every 1000 ft. above - ft. 600
RATING: All three phases units are rated at 0.8 power factor. All single phase units are rated at 1.0 power factor. STANDBY RATING: Standby ratings apply to installations served by a reliable utility
source. The standby rating is applicable to varying loads for the duration of a power outage. There is no overload capability for this rating. Ratings are in accordance with ISO-3046-1. Design and
specifications are subject to change without notice. Maximum wattage and current are subject to and limited by such factors as fuel Btu content, ambient temperature, altitude, engine power
and condition, etc.
INTERCONNECTIONS
KW VOLTS CB AMPS LUG SIZE
70 120/240 1 ø 300 1-600 mcm to 2 - 250 mcm-2- 1/0
70 120/208 3
70 120/240 3
70 277/480 3 ø 125 300 mc to #6
ø
300 1-600 mcm to 2 - 250 mcm-2- 1/0
ø
250 1-600 mcm to 2 - 250 mcm-2- 1/0
COMMERCIAL 70 kW
INSTALLATION LAYOUT
UNIT WEIGHT: Steel 2185 lbs., Aluminum 2040 lbs.
GENERAC® POWER SYSTEMS, INC. • P.O. BOX 297 • WHITEWATER, WI 53190
www.guardiangenerators.com
COMMERCIAL SERIES
Note:
Door access from
both sides.
Bulletin 0174670SBY / Printed in USA 06.07, 08.07
© 2007 Generac Power Systems, Inc. All rights reserved. All specifications are subject to change without notice.
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