Standby Generator Sets
Specifications
SPECIFICATIONS
GENERATOR
Type | Synchronous |
Rotor Insulation | Class F |
Stator Insulation | Class H |
Total Harmonic Distortion | <5% |
Telephone Interference Factor (TIF) | < 50 |
Alternator Output Leads | |
Bearings | Sealed Ball |
Coupling | Flexible Disc |
Load Capacity (Standby Rating) | 25kW* |
*NOTE: Generator rating and performance in accordance with
Excitation System |
| Direct | |
Generator Output Voltage/kW - 60 Hz | kW | Amp | CB Size |
120/240V, | 25 | 104 | 125 |
120/208V, | 25 | 87 | 100 |
277/480V, | 25 | 38 | 40 |
Generator Locked Rotor KVA Available @ Voltage Dip of 35% | |||
| 50 KVA | ||
208V, |
| 70 KVA | |
480V, |
| 70 KVA | |
ENGINE
Make | Generac |
Model | In Line |
Cylinders and Arrangement | 4 |
Displacement | 2.4 Liter |
Bore | 3.41 in. |
Stroke | 3.94 in. |
Compression Ratio | |
Air Intake System | Naturally Aspirated |
Valve Seats | Hardened |
Lifter Type | Hydraulic |
Engine Parameters |
|
Rated Synchronous RPM | 60 Hz, 1800 |
HP at rated kW | 60 Hz, 40 |
Exhaust System |
|
Exhaust Flow at Rated Output 60 Hz | 130 cfm |
Exhaust Temperature at Rated Output | 900° F |
Combustion Air Requirements (Natural Gas) | |
Flow at rated power, 60 Hz | 70 cfm |
Governor |
|
Type | Electronic |
Frequency Regulation | Isochronous |
Steady State Regulation | ± 0.25% |
Engine Lubrication System |
|
Type of Oil Pump | Gear |
Oil Filter | Full Flow |
Crankcase Oil Capacity | 4 U.S. qts. |
COOLING SYSTEM
Type | Pressurized Closed Recovery | |
Water Pump | Belt Driven | |
Fan Speed | 1000 rpm | |
Fan Diameter | 22 inches | |
Fan Mode | Puller | |
Air Flow (inlet air...........................................................including alternator and | 1600 ft3/min. | |
combustion air) |
| |
Coolant Capacity | (3.0 U.S. gal.) | |
Heat Rejection to Coolant | 106,900 Btu/h | |
Maximum Operating Air Temp. on Radiator | 60° C (150° F) | |
Maximum Ambient Temperature | 50° C (140° F) | |
FUEL SYSTEM
Type of Fuel | ......................................... | Natural Gas, Propane Vapor | ||
Carburetor |
|
| Down Draft | |
Secondary Fuel Regulator |
| Standard | ||
Fuel |
| Standard | ||
Operating Fuel Pressure | 5 in. - 14 in. Water Column | |||
Fuel Consumption - ft3/hr (Natural Gas/LPV) | ||||
Exercise | 25% | 50% | 75% | 100% |
Cycle | Load | Load | Load | Load |
42/16 | 107/41 | 204/77 | 293/111 | 375/142 |
ELECTRICAL SYSTEM
Battery Charge Alternator | 12V, 30 Amp |
Static Battery Charger | 2 Amp |
Recommended Battery | Group 26, 525CCA |
System Voltage | 12 Volts |
Voltage Regulator |
|
Type | Electronic |
Sensing | |
Regulation | ± 1% |
Features | V/F Adjustable, Adjustable |
| Voltage and Gain LED Indicators |
Power Adjustment for Ambient Conditions | |
Temperature Deration |
|
3% for every 10° C above °C | 25 |
1.65% for every 10° above °F | 77 |
Altitude Deration |
|
1% for every 100 m above m | 183 |
3% for every 1000 ft. above ft | 600 |
Controller | |
05/07 A .Rev GenSpec031