Generac Power Systems QT018 manual Operating Data

QT018

OPERATING DATA

			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
		(ft3/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)	ft3/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

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.