QT027
Standby Power Rating
27 kW 60 Hz
Liquid Cooled Gas Engine Generator Sets
GENERAC 2.4L ENGINE
Naturally Aspirated
Gaseous Fueled
Meets 2009 EPA Emission Regulations
STANDARD EQUIPMENT
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Mainline circuit breaker
Radiator drain extension
Battery charge alternator
2 Amp static battery charger
Battery cables
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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
Battery rack
Fan and belt guards
Isochronous governor
Flex fuel line
Hour meter
Closed coolant recovery system
UV/Ozone resistant hoses
Watertight state of the art electrical connectors
FEATURES
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Watertight electrical connectors
Rodent proof construction
High efficiency, low distortion Generac designed
alternator
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Innovative design and fully prototype tested
UL2200 Listed
Solid state frequency compensated
voltage regulator
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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
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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
State of the art digital control system with R100 digital
control panel
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QT027
OPERATING DATA
QT027
KW RATING
27
ENGINE SIZE
2.4 Liter Inline 4
GENERATOR OUTPUT VOLTAGE/KW - 60Hz
120/240V, 1-phase, 1.0 pf
120/208V, 3-phase, 0.8 pf
KW Nat. Gas AMP
KW LPG
AMP CB Size (Both)
25
25
25
104
87
75
27
27
27
112
125
100
90
94
120/240V, 3-phase, 0.8 pf
81
GENERATOR LOCKED ROTOR KVA
AVAILABLE @ VOLTAGE DIP OF 35%
Single phase or 208 3-phase
43
ENGINE FUEL CONSUMPTION (Natural Gas) (Propane)
Natural Gas (25 kW)
Propane (27 kW)
(gal/hr.) cu ft/hr
(ft3/hr.)
42
Exercise cycle
0.44
1.2
2.2
3.2
4.1
16
44
81
118
147
25% of rated load
50% of rated load
75% of rated load
100% of rated load
108
197
287
359
ENGINE COOLING
Air flow (inlet air including alternator and combustion air) ft3/min.
2,400
2.5
120,000
60 (150)
50 (140)
System coolant capacity
US gal.
BTU/hr.
°C (°F)
°C (°F)
Heat rejection to coolant
Max. operating air temp. on radiator
Max. ambient temperature
COMBUSTION AIR REQUIREMENTS
Flow at rated power 60 Hz
cfm
68
SOUND EMISSIONS IN DBA
Exercising at 7 meters
Normal operation at 7 meters
62
75
EXHAUST
Exhaust flow at rated output 60 Hz
Exhaust temp. at muffler outlet
cfm
°F
130
900
ENGINE PARAMETERS
Rated synchronous RPM
HP at rated KW
60 Hz
60 Hz
1800
40
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
ENCLOSURE
Material
Aluminum
Color
PMS 422 (Bisque)
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.
INTERCONNECTIONS
QT027
27
27
27
240 1 Ø
208 3 Ø
240 3 Ø
125
100
90
#2 to 1/0
#4 to 1/0
#4 to 1/0
Installation Drawing Ref. No. 0G0325
INSTALLATION LAYOUT
62.2
46.02
DOOR TYP
28.98
AUTO
OFF
QUARTZ
SET
EXERCISE
TIME
OFF
HOURS
ON
1/10
MANUAL
OVER CRANK
OVER SPEED
LOW COOLANT LEVEL
HI COOLANT TEMPERATURE
LOW OIL PRESSURE
LOW BATTERY
LOW FUEL PRESSURE
SYSTEM READY
DANGER
High voltage.
Contact with terminals
may result in personal
injury or death.
FUSES
LOCATED
INSIDE
33.5
FRONT VIEW
SEE INSTALL DWG 0G9370 FOR DETAILS
WEIGHT: 891 lbs.
Generac Power Systems, Inc. • S45 W29290 HWY. 59, Waukesha, WI 53189 • generac.com
©2009 Generac Power Systems, Inc. All rights reserved. All specifications are subject to change without notice. Bulletin 0177710SBY/Printed in U.S.A. 05.08, rev: 03.09
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