Generac Power Systems MD500 Instruction Manual page 3

MD500
POWER RATINGS (kW)
Three-Phase 277/480VAC @0.8pf
Three-Phase 346/600VAC @0.8pf
STARTING CAPABILITIES (sKVA)
Alternator kW 10% 15%
Standard 500 457 686
Upsize 1 642 471 707
Upsize 2 832 757 1136
FUEL
Fuel Pump Lift - m (ft)
3.7 (12)
COOLING
COMBUSTION AIR REQUIREMENTS
Flow at Rated Power cfm (m3/min)
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.
500 kW
500 kW
sKVA vs. Voltage Dip
480VAC
20% 25% 30% 35%
914 1143 1371 1600
943 1179 1414 1650
1514 1893 2271 2650
Percent Load
25%
50%
75%
100%
* Refer to "Emissions Data Sheet" for maximum fuel flow for EPA and SCAQMD permitting purposes.
Coolant Flow per Minute
Heat Rejection to Coolant
Inlet Air
Max. Operating Radiator Air Temp
Max. Operating Ambient Temperature
Coolant System Capacity
Maximum Radiator Backpressure
STANDBY
1483 (42)
STANDBY
rpm 1800
hp 762
ft/min 2020
psi 366
STANDBY
Amps: 752
Amps: 601
Fuel Consumption Rates*
STANDBY
gph
10.5
19.5
23.7
31.2
gpm (lpm)
BTU/hr
cfm (m3/min)
Fº (Cº)
Fº (Cº)
gal (L)
in H
EXHAUST
Exhaust Flow (Rated Output)
Max. Backpressure (Post Silencer)
Exhaust Temp (Rated Output)
Exhaust Outlet Size (Open Set)
operating data (60Hz)
lph
39.7
73.8
89.7
118.1
STANDBY
114.1 (432)
1,198,080
30,582 (866)
122 (50)
104 (40)
13 (49)
O 0.5
2
STANDBY
cfm (m /min) 3955 (112)
3
inHg (Kpa) 2.01 (6.8)
ºF (ºC) 1022 (550)
5"
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