QT018
Standby Power Rating
18 kW 60 Hz
Liquid Cooled Gas Engine Generator Sets
GENERAC 1.6L ENGINE
Naturally Aspirated
Gaseous Fueled
STANDARD EQUIPMENT
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Mainline circuit breaker
Radiator drain extension
Battery charge alternator
2 Amp static battery charger
Battery cables
Battery rack
Fan and belt guards
Isochronous governor
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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
FEATURES
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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
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Innovative design and fully prototype tested
UL2200 Listed
Solid state frequency compensated
voltage regulator
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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
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All components easily accessible for maintenance
Electrostatically applied powder paint
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QT018
OPERATING DATA
KW RATING
QT018
18
ENGINE SIZE
1.6 Liter 4 cyl. inline
GENERATOR OUTPUT VOLTAGE/KW - 60Hz
120/240V, 1-phase, 1.0 pf
KW
18
AMP
75
CB Size
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
(ft3/hr.)
48
Propane
(gal/hr.)
cu ft/hr
Exercise cycle
0.52
19
43
65
87
110
25% of rated load
50% of rated load
75% of rated load
100% of rated load
109
165
220
278
1.19
1.80
2.41
3.04
ENGINE COOLING
Air flow (inlet air including alternator and combustion air) ft3/min.
1,600
System coolant capacity
Heat rejection to coolant
Max. operating air temp. on radiator
Max. ambient temperature
US gal.
BTU/hr.
°C (°F)
°C (°F)
2.0
96,000
60 (150)
50 (140)
COMBUSTION AIR REQUIREMENTS
Flow at rated power 60 Hz
cfm
48
SOUND EMISSIONS IN DBA
Exercising at 7 meters
Full load at 7 meters
58
67
EXHAUST
Exhaust flow at rated output 60 Hz
Exhaust temp. at muffler outlet
cfm
°F
125
890
ENGINE PARAMETERS
Rated synchronous RPM
HP at rated KW
60 Hz
60 Hz
1800
28
POWER ADJUSTMENT FOR AMBIENT CONDITIONS
Temperature Deration
3% for every 10 °C above - °C
1.65% for every 10 °F above - °F
Altitude Deration
25
77
1% for every 100 m above - m
3% for every 1000 ft. above - ft.
183
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.
KW rating is based on LPG Fuel and may derate with natural gas.
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INTERCONNECTIONS
QT018
C1 Enclosure 18, 20, 25, 30 kW 1.6 Liter QT
18
18
240 1Ø
208 3Ø
90
70
#4 to 1/0
#8 to #4
Installation Drawing Ref. No. 0G5116
INSTALLATION LAYOUT
VISE ACTION LATCH,
ONE PER DOOR, ONE LIFT-OFF
DOOR PER SIDE OF GENERATOR
CONTROL PANEL R TYPE
BATTERY CHARGER IS
ENCLOSED WITHIN
62.2
EXHAUST AND AIR DISCHARGE
LOUVERS - FRONT AND SIDES
46
29
DOOR TYP
AUTO
OFF
ON
OFF
MANUAL
SET
EXERCISE
TIME
O
VER CRANK
VER SPEED
LOW COOLANT LEVEL
O
HI COOLANT TEMPERATURE
LOW OIL PRESSURE
LOW BATTER
LOW FUEL PRESSURE
SYSTEM READ
Y
Y
27.4
DANGER
High voltage.
FUSES
LOCATED
INSIDE
Contact with terminals
may result in personal
injury or death.
0F3215
DOOR
TYP
33.5
6
MIN.
RIGHT SIDE VIEW
CONCRETE BASE
NOT INCLUDED
FRONT VIEW
30.7
EXHAUST MUFFLERS
ENCLOSED WITHIN,
FUEL LINE CONNECTION
3/4" NPT FEMALE COUPLING
®
GENERAC POWER SYSTEMS, INC. • P.O. BOX 8 • WAUKESHA, WI 53187
262/544-4811 • FAX 262/544-4851
Bulletin 0173930SBY / Printed in USA 02.07, rev: 03.08
© 2008 Generac Power Systems, Inc. All rights reserved. All specifications are subject to change without notice.
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