Generac Power Systems QT025A User Manual page 3

QT025A
POWER RATINGS (kW)
Single-Phase 120/240VAC @1.0pf
Three-Phase 120/208VAC @0.8pf
Three-Phase 120/240VAC @0.8pf
Three-Phase 277/480VAC @0.8pf
STARTING CAPABILITIES (sKVA)
Alternator kW 10%
Standard 25 16
FUEL
COOLING
Air Flow (inlet air combustion and radiator)
System Coolant Capacity
Heat Rejection to Coolant
Max. Operating Air Temp on Radiator
Max. Ambient Temperature
Maximum Radiator Backpressure
COMBUSTION AIR REQUIREMENTS
Flow at Rated Power
ENGINE
Rated Engine Speed
Horsepower at Rated kW**
Piston Speed
BMEP
** Refer to "Emissions Data Sheet" for maximum bHP for EPA and SCAQMD permitting purposes.
Deration – Operational characteristics consider maximum ambient conditions. Derate factors may apply under atypical site conditions. Please consult a Generac Power Systems Industrial Dealer for
additional details. All performance ratings in accordance with ISO3046, BS5514, ISO8528 and DIN6271 standards.
25
25
25
25
480VAC
15% 20% 25%
25 33 41
Fuel Consumption Rates*
Natural Gas
Percent Load ft /hr
3
25% 140
50% 220
75% 300
100% 380
* Refer to "Emissions Data Sheet" for maximum fuel flow for EPA and SCAQMD permitting purposes.
STANDBY
cfm 70
STANDBY
rpm 1800
hp 40
ft/min 1182
psi 120
Natural Gas
Amps: 104
Amps: 87
Amps: 75
Amps: 38
sKVA vs. Voltage Dip
30% 35% 10% 15%
49 57 12 19
Propane Vapor
m /hr Percent Load
3
3.9 25%
6.2 50%
8.5 75%
10.8 100%
STANDBY
ft /min (m /min) 1500 (42.48)
3 3
Gal (Liters) 2.5 (9.46)
BTU/hr
ºF (ºC) 122 (50)
ºF (ºC) 104 (40)
in H O
2
EXHAUST
Exhaust Flow (Rated Output)
Maximum Recommended Back Pressure
Exhaust Temp (Rated Output)
Exhaust Outlet Size
operating data (60Hz)
Propane Vapor
25 Amps: 104
25 Amps: 87
25 Amps: 75
25 Amps: 38
208/240VAC
20% 25% 30%
25 31 37
ft /hr m /hr
3 3
56 1.6
87 2.5
119 3.4
151 4.3
95,000
1.5
STANDBY
cfm (m /min) 220 (6.2)
3
inHg
ºF (ºC) 975 (524)
in
3 of 5
35%
43
1.5
2.5