Generac LIGHT COOLED GENERATOR SET QT070 - Manual (Page 2)

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, SAE J1349 and DIN6271).
QT070
GENERATOR SPECIFICATIONS
TYPE Synchronous
ROTOR INSULATION Class H
STATOR INSULATION Class H
TELEPHONE INTERFERENCE FACTOR (TIF) <50
ALTERNATOR OUTPUT LEADS 3-PHASE/1-PHASE 6/4 wire
BEARINGS Sealed Ball
COUPLING Flexible Disc
LOAD CAPACITY (STANDBY RATING) 70 kW
EXCITATION SYSTEM Brushless
VOLTAGE REGULATION
TYPE Full Digital
SENSING Three Phase
REGULATION ± 1%
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 130 °C rise
All models are fully prototyped tested
ENCLOSURE FEATURES
A luminum all weather
protective enclosure
options available
Ensures protection against mother nature.
Electrostatically applied textured epoxy paint for
added durability.
Enclosed critical grade
muffler
Quiet, critical grade muffler is mounted inside
the unit to prevent injuries.
Small, compact,
attractive
Makes for an easy, eye appealing installation.
SAE Sound attenuated enclosure ensures quiet
operation.
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
LIFTER TYPE 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 5 Quarts
ENGINE COOLING SYSTEM
TYPE Closed
WATER PUMP Belt driven
FAN SPEED 2300
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” H
2
O
ELECTRICAL SYSTEM
BATTERY CHARGE ALTERNATOR 12V 30 Amp
SMART BATTERY CHARGER 12V, 2 Amp
RECOMMENDED BATTERY Group 24F, 12V, 525CCA
SYSTEM VOLTAGE 12 Volts