Generac QT070 User Manual
OPERATING DATA
KW RATING (LP/NG)
70
ENGINE SIZE
6.8 Liter V-10
GENERATOR OUTPUT VOLTAGE/KW - 60Hz
LP
Rated AMP
NG
Rated 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
120/208V, 3-phase, 0.8 pf
120/240V, 3-phase, 0.8 pf
277/480V, 3-phase, 0.8 pf
67
70
70
70
70
70
70
279
243
210
105
243
210
105
64
67
67
67
67
67
67
267
232
201
101
232
201
101
300
300
250
125
300
250
125
GENERATOR LOCKED ROTOR KVA
AVAILABLE @ VOLTAGE DIP OF 35%
AVAILABLE @ VOLTAGE DIP OF 35%
Single phase or 208-240 3-phase
480V 3-phase
480V 3-phase
145
160
160
ENGINE FUEL CONSUMPTION
(Natural Gas) (Propane)
Exercise cycle
25% of rated load
50% of rated load
75% of rated load
100% of rated load
25% of rated load
50% of rated load
75% of rated load
100% of rated load
Natural Gas
(ft
3
/hr.)
110
260
500
696
260
500
696
1020
Propane
(gal/hr.)
cu ft/hr
1.20
44.2
2.85
104.9
5.46
200.9
7.62
280.4
11.17
411
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)
5200
4.5
287,000
60 (150)
50 (140)
50 (140)
COMBUSTION AIR REQUIREMENTS
Flow at rated power 60 Hz
cfm
205
SOUND EMISSIONS IN DBA
Exercising at 7 meters
Normal operation at 7 meters
Normal operation at 7 meters
67
72
72
EXHAUST
Exhaust flow at rated output 60 Hz
cfm
Exhaust temp. at muffler outlet
°C (°F)
557
477 (890)
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
77
183
600
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.
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
®
Standby Generator - 70 kW
®