Generac Power Systems QT018 User manual

Generac Power Systems
Brand
Generac Power Systems
Model
QT018
Category
Power generators
Type
User manual

Generac Power Systems QT018 is a liquid-cooled gas engine generator set with a standby power rating of 18 kW at 60 Hz. It is powered by a Generac 1.6L engine that is naturally aspirated and gaseous fueled. The QT018 comes standard with a variety of features, including:

  • All input connections in one single area
  • High coolant temperature shutdown
  • Low oil pressure shutdown
  • Low coolant level automatic shutdown
  • Overspeed automatic shutdown
  • Crank timer
  • Exercise timer
  • Oil drain extension
  • Cool flow radiator
  • Closed coolant recovery system
  • UV/Ozone resistant hoses
  • Watertight state of the art electrical connectors

Generac Power Systems QT018 is a liquid-cooled gas engine generator set with a standby power rating of 18 kW at 60 Hz. It is powered by a Generac 1.6L engine that is naturally aspirated and gaseous fueled. The QT018 comes standard with a variety of features, including:

  • All input connections in one single area
  • High coolant temperature shutdown
  • Low oil pressure shutdown
  • Low coolant level automatic shutdown
  • Overspeed automatic shutdown
  • Crank timer
  • Exercise timer
  • Oil drain extension
  • Cool flow radiator
  • Closed coolant recovery system
  • UV/Ozone resistant hoses
  • Watertight state of the art electrical connectors
QT018
GENERAC 1.6L ENGINE
• Allinputconnectionsinonesinglearea
• Highcoolanttemperatureshutdown
• Lowoilpressureshutdown
• Lowcoolantlevelautomaticshutdown
• Overspeedautomaticshutdown
• Cranktimer
• Exercisetimer
• Oildrainextension
• Coolflowradiator
• Closedcoolantrecoverysystem
• UV/Ozoneresistanthoses
• Watertightstateoftheartelectricalconnectors
• Mainlinecircuitbreaker
• Radiatordrainextension
• Batterychargealternator
• 2Ampstaticbatterycharger
• Batterycables
• Batteryrack
• Fanandbeltguards
• Isochronousgovernor
STANDARD EQUIPMENT
Liquid Cooled Gas Engine Generator Sets
Standby Power Rating
18 kW 60 Hz
Naturally Aspirated
Gaseous Fueled
• Innovativedesignandfullyprototypetested
• UL2200Listed
• Solidstatefrequencycompensated
voltageregulator
• Dynamicandstaticbatterycharger
• Soundattenuatedacousticallydesignedenclosure
• Quiet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 R100 digital
controlpanel
• Watertightelectricalconnectors
• Rodentproofconstruction
• High efficiency, low distortion Generac designed
alternator
• 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
FEATURES
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).
QT018
GENERATOR SPECIFICATIONS
TYPE ...........................................................................................................Synchronous
ROTOR INSULATION .......................................................................................... Class F
STATOR INSULATION ......................................................................................... Class F
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) ................................................................ 18 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 F rated at 130 °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 ................................................................................................................... In line
CYLINDERS ...................................................................................................................4
DISPLACEMENT .................................................................................................1.6 Liter
BORE ........................................................................................................................3.15
STROKE ....................................................................................................................3.13
COMPRESSION RATIO .........................................................................................9.75:1
INTAKE AIR SYSTEM ....................................................................... Naturally Aspirated
VALVE SEATS ..............................................................................................Replaceable
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 ...................................................................................4 Quarts
ENGINE COOLING SYSTEM
TYPE .....................................................................................................................Closed
WATER PUMP .................................................................................................Belt driven
FAN SPEED .............................................................................................................2400
FAN DIAMETER ............................................................................................... 15 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” H
2
O
ELECTRICAL SYSTEM
BATTERY CHARGE ALTERNATOR .............................................................12V 30 Amp
STATIC BATTERY CHARGER .............................................................................. 2 Amp
RECOMMENDED BATTERY ............................................................Group 26, 525CCA
SYSTEM VOLTAGE .............................................................................................12 Volts
QT018
KW RATING 18
ENGINE SIZE 1.6Liter4cyl.inline
GENERATOR OUTPUT VOLTAGE/KW - 60Hz KW AMP CB Size
120/240V,1-phase,1.0pf 18 75
120/208V,3-phase,0.8pf 18 62 70
GENERATOR LOCKED ROTOR KVA
AVAILABLE @ VOLTAGE DIP OF 35%
Singlephaseor2083-phase 34

ENGINE FUEL CONSUMPTION (Natural Gas) (Propane) Natural Gas Propane
(ft
3
/hr.) (gal/hr.) cuft/hr
Exercisecycle 48 0.52 19
25%ofratedload 109 1.19 43
50%ofratedload 165 1.80 65
75%ofratedload 220 2.41 87
100%ofratedload 278 3.04 110

ENGINE COOLING
Airflow(inlet air including alternator and combustion air) ft
3
/min. 1,600
Systemcoolantcapacity USgal. 2.0
Heatrejectiontocoolant BTU/hr. 96,000
Max.operatingairtemp.onradiator °C(°F) 60(150)
Max.ambienttemperature °C(°F) 50(140)
COMBUSTION AIR REQUIREMENTS
Flowatratedpower60Hz cfm 48

SOUND EMISSIONS IN DBA
Exercisingat7meters 58
Fullloadat7meters 67
EXHAUST
Exhaustflowatratedoutput60Hz cfm 125
Exhausttemp.atmuffleroutlet °F 890
ENGINE PARAMETERS
RatedsynchronousRPM 60Hz 1800
HPatratedKW 60Hz 28
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
OPERATING DATA
QT018
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.
KWratingisbasedonLPGFuelandmayderatewithnaturalgas.
QT018
© 2008 Generac Power Systems, Inc. All rights reserved. All specifications are subject to change without notice.
Bulletin0173930SBY/PrintedinUSA02.07,rev:03.08
GENERAC
®
POWER SYSTEMS, INC. • P.O. BOX 8 • WAUKESHA, WI 53187
262/544-4811 • FAX 262/544-4851
INTERCONNECTIONS
INSTALLATION LAYOUT
18 240 1Ø 90 #4 to 1/0
18 208 3Ø 70 #8 to #4
Installation Drawing Ref. No. 0G5116
C1 Enclosure 18, 20, 25, 30 kW 1.6 Liter QT
INSIDE
LOCATED
High voltage.
may result in personal
Contact with terminals
injury or death.
0F3215
HI COOLANT TEMPERATURE
LOW OIL PRESSURE
LOW FUEL PRESSURE
LOW BATTERY
SYSTEM READY
FUSES
AUTO
MANUAL
OFF
OFF
ON
TIME
SET
EXERCISE
LOW COOLANT LEVEL
OVER SPEED
OVER CRANK
DANGER
29
FRONT VIEW
EXHAUST AND AIR DISCHARGE
LOUVERS - FRONT AND SIDES
VISE ACTION LATCH,
ONE PER DOOR, ONE LIFT-OFF
DOOR PER SIDE OF GENERATOR
62.2
46
DOOR TYP
27.4
DOOR
TYP
33.5
6
MIN.
EXHAUST MUFFLERS
ENCLOSED WITHIN,
30.7
FUEL LINE CONNECTION
3/4" NPT FEMALE COUPLING
CONTROL PANEL R TYPE
BATTERY CHARGER IS
ENCLOSED WITHIN
RIGHT SIDE VIEW
CONCRETE BASE
NOT INCLUDED
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Generac Power Systems QT018 User manual

Generac Power Systems
Brand
Generac Power Systems
Model
QT018
Category
Power generators
Type
User manual

Generac Power Systems QT018 is a liquid-cooled gas engine generator set with a standby power rating of 18 kW at 60 Hz. It is powered by a Generac 1.6L engine that is naturally aspirated and gaseous fueled. The QT018 comes standard with a variety of features, including:

  • All input connections in one single area
  • High coolant temperature shutdown
  • Low oil pressure shutdown
  • Low coolant level automatic shutdown
  • Overspeed automatic shutdown
  • Crank timer
  • Exercise timer
  • Oil drain extension
  • Cool flow radiator
  • Closed coolant recovery system
  • UV/Ozone resistant hoses
  • Watertight state of the art electrical connectors
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