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OPERATING DATA
KW RATING (LP/NG) 48/48
ENGINE SIZE 5.4 Liter
GENERATOR OUTPUT VOLTAGE/KW - 60Hz kW LP AMP CB Size
120/240V, 1-phase, 1.0 pf
120/208V, 3-phase, 0.8 pf
120/240V, 3-phase, 0.8 pf
277/480V, 3-phase, 0.8 pf
48
48
48
48
200
166
144
72
200
175
150
80
ENGINE FUEL CONSUMPTION (Natural Gas) (Propane)
Exercise cycle
25% of rated load
50% of rated load
75% of rated load
100% of rated load*
For Btu content, multiply ft
3
/hr x 2520 (LP) or ft
3
/hr x 1000 (NG)
Natural Gas
(ft
3
/hr.)
95
204
392
547
756
Propane
(gal/hr.) cu ft/hr
2.0 38
2.16 82
4.14 157
5.8 220
7.96 302
ENGINE COOLING
Air flow (inlet air including alternator and combustion air) ft
3
/min.
System coolant capacity US gal.
Heat rejection to coolant BTU/hr.
Max. operating air temp. on radiator °C (°F)
Max. ambient temperature °C (°F)
4350
3.0
186,000
60 (150)
50 (140)
COMBUSTION AIR REQUIREMENTS
Flow at rated power 60 Hz cfm 163
SOUND EMISSIONS IN DBA
Exercising at 7 meters
Normal operation at 7 meters
63
68
EXHAUST
Exhaust flow at rated output 60 Hz cfm
Exhaust temp. at muffler outlet °F
414
1025
ENGINE PARAMETERS
Rated synchronous RPM 60 Hz 1800
POWER ADJUSTMENT FOR AMBIENT CONDITIONS
Temperature Deration
3% for every 10 °C above - °C
1.65% for every 10 °F above - °F
Altitude Deration
1% for every 100 m above - m
3% for every 1000 ft. above - ft.
25
77
183
600
* Refer to "Emissions Data Sheets" for maximum fuel flow for EPA and SCAQMD permitting purposes.
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.
Generac
®
QuietSource
®
Series Standby Generator - 48 kW
®