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SPECIFICATIONS
GENERATOR
Type ............................................................................. Synchronous
Rotor Insulation ....................................................................Class F
Stator Insulation ...................................................................Class F
Total Harmonic Distortion .........................................................< 5%
Alternator Output Leads 3-phase ........................................... 4-wire
Bearings .........................................................................Sealed Ball
Coupling .......................................................................Flexible Disc
Load Capacity (Standby Rating) ................................ 20/25/30 kW*
* NOTE: Generator rating and performance in accordance with ISO8528-5, BS5514, SAE J1349,
ISO3046 and DIN 6271 Standards. KW rating is based on LPG fuel and may derate with natural
gas.
Excitation System ....................................................................Direct
Generator Output Voltage/kW - 60 Hz
120/240V, 1-phase, 1.0 pf
120/208V, 3-phase, 0.8 pf
277/480V, 3-phase, 0.8 pf
Generator Locked Rotor KVA Available @ Voltage Dip of 35%
Single-phase or 208 3-phase:
ENGINE
Make ................................................................................... Generac
Model ..................................................................................... In Line
Cylinders and Arrangement ............................................................ 4
Displacement ....................................................................... 1.6 Liter
Bore ...................................................................................... 3.15 in.
Stroke ................................................................................... 3.13 in.
Compression Ratio .............................................................9.75-to-1
Air Intake System ...............................................Naturally Aspirated
Valve Seats ................................................................... Replaceable
Lifter Type .......................................................................... Hydraulic
Engine Parameters
Rated Synchronous RPM ..............................................60 Hz, 3600
HP at rated:
20kW
35 HP
Exhaust System
Exhaust Flow at Rated Output 60 Hz: 20kW
Exhaust Temp. at Rated Output:
Combustion Air Requirements (Natural Gas)
Flow at rated power, 60 Hz:
Governor
Type .................................................................................. Electronic
Frequency Regulation ...................................................Isochronous
Steady State Regulation ........................................................± .25%
Adjustments:
Speed ............................................................................ Selectable
Standby Generator Sets
kW
Amp
CB Size
20/25/30
83/104/125 100/125/150
20/25/30
69/87/104
80/100/125
20/25/30
30/38/45
35/45/50
20kW
25kW
34 KVA 38 KVA 56 KVA
25kW
30kW
45 HP
48 HP
25kW
209 cfm 235 cfm 240 cfm
910°F
1015°F 1022°F
20kW
25kW
80 cfm
90 cfm
Specifications
Engine Lubrication System
Type of Oil Pump ...................................................................... Gear
Oil Filter .............................................................Full Flow, Cartridge
Crankcase Oil Capacity ....................................................4 U.S. qts.
COOLING SYSTEM
Type .......................................................................................Closed
Water Pump .................................................................... Belt Driven
Fan Speed ................................................................................ 2450
Fan Diameter ..................................................................17.7 inches
Fan Mode ..............................................................................Pusher
Air Flow (inlet air including alternator and
combustion air) ........................................................... 2490 ft
Coolant Capacity ...........................................................2.0 U.S. gal.
Heat Rejection to Coolant ..........................................117,000 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
30kW
Secondary Fuel Regulator .................................................Standard
Fuel Shut-off Solenoid ........................................................Standard
Operating Fuel Pressure ...................... 5 in. - 14 in. Water Column
Fuel Consumption - ft
20kW
25kW
30kW
ELECTRICAL SYSTEM
Battery Charge Alternator ............................................12V, 15 Amp
Static Battery Charger ............................................................2 Amp
Recommended Battery ...................................... Group 26, 525CCA
System Voltage .....................................................................12 Volts
Voltage Regulator
Type .................................................................................. Electronic
Sensing ........................................................................ Single-phase
Regulation ................................................................................± 1%
Features ................................................. V/F Adjustable, Adjustable
30kW
Power Adjustment for Ambient Conditions
Temperature Deration:
3% for every 10° C above °C
30kW
92 cfm
1.65% for every 10° above °F
Altitude Deration:
1% for every 100 m above m
3% for every 1000 ft. above ft.
Controller .................................................R-200
6-1
3
/hr (Natural Gas/LPV)
Exercise
25%
50%
Cycle
Load
Load
56/24
124/49
188/75
56/24
161/64
253/101
56/24
209/82
281/117
Voltage and Gain LED Indicators
20kW
104
20kW
1220
4000
/min.
3
75%
100%
Load
Load
250/99
315/125
345/138
430/175
360/147
437/185
25kW
30kW
40
40
25
104
77
25kW
30kW
915
182
3000
600
04/07
A
Rev.
GenSpec037
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