Generac Power Systems 30, 20, 25 owner manual Specifications

Models: 25 30 20

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Standby Generator Sets

Specifications

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

 

 

 

kW

Amp

CB Size

120/240V, 1-phase, 1.0 pf

20/25/30

83/104/125

100/125/150

120/208V, 3-phase, 0.8 pf

20/25/30

69/87/104

80/100/125

277/480V, 3-phase, 0.8 pf

20/25/30

30/38/45

35/45/50

Generator Locked Rotor KVA Available @ Voltage Dip of 35%

Single-phase or 208 3-phase: 20kW 25kW 30kW 34 KVA 38 KVA 56 KVA

‹ 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

25kW

30kW

 

 

35 HP

45 HP

48 HP

 

Exhaust System

 

 

 

Exhaust Flow at Rated Output 60 Hz: 20kW

25kW

30kW

 

 

209 cfm

235 cfm

240 cfm

Exhaust Temp. at Rated Output:

910°F

1015°F

1022°F

Combustion Air Requirements (Natural Gas)

Flow at rated power, 60 Hz:

20kW

25kW

30kW

 

 

80 cfm

90 cfm

92 cfm

Governor

 

 

 

 

Type

 

Electronic

Frequency Regulation

Isochronous

Steady State Regulation

 

± .25%

Adjustments:

 

 

 

 

Speed

 

Selectable

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

2490 ft3/min.

combustion air)

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

Secondary Fuel Regulator

 

Standard

Fuel Shut-off Solenoid

 

 

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

20kW

56/24

124/49

188/75

250/99

315/125

25kW

56/24

161/64

253/101

345/138

430/175

30kW

56/24

209/82

281/117

360/147

437/185

‹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

 

Voltage and Gain LED Indicators

Power Adjustment for Ambient Conditions

Temperature Deration:

 

 

 

3% for every 10° C above °C

20kW

25kW

30kW

 

40

40

25

1.65% for every 10° above °F

104

104

77

Altitude Deration:

 

 

 

1% for every 100 m above m

20kW

25kW

30kW

 

1220

915

182

3% for every 1000 ft. above ft.

4000

3000

600

Controller

 

R-200

6-1

04/07 A .Rev GenSpec037

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Generac Power Systems 30, 20, 25 owner manual Specifications

25, 30, 20 specifications

Generac Power Systems is a leading manufacturer of backup power generation products and tools, known for their reliability and innovation. Among their diverse lineup are the Generac 20kW, 25kW, and 30kW home standby generators. These models are designed to provide seamless power during an outage, allowing homeowners to maintain their everyday activities without interruption.

The Generac 20kW generator is particularly popular for residential use. It can power essential circuits as well as larger appliances, making it an ideal choice for homes with moderate electricity needs. One of its standout features is the Smart Management Module, which allows homeowners to manage energy consumption effectively, ensuring that they can run necessary appliances without overwhelming the system. Additionally, the 20kW generator is equipped with a durable enclosure, offering long-lasting protection against the elements.

Moving up in capacity, the Generac 25kW model caters to homes with higher electricity demands. This generator combines efficiency with strength, providing enough power for a wider range of home appliances and systems. It features a TruePower Technology that delivers clean power, crucial for sensitive electronics. Moreover, the 25kW model operates quietly, contributing to a comfortable home environment even during power outages.

The Generac 30kW generator is designed for larger homes or light commercial applications. It provides an impressive power output while maintaining high efficiency. Its features include advanced digital control, allowing for easy monitoring and maintenance. The 30kW model also offers an automatic transfer switch, which ensures that power is restored quickly and safely when utilities fail.

All three models utilize Generac's G-Force engine, known for its low maintenance requirements and high performance. They come with a five-year limited warranty, providing peace of mind for users. Furthermore, with Wi-Fi monitoring capabilities, homeowners can keep track of their generator's status from anywhere, ensuring they are always prepared for any power interruption.

In summary, the Generac 20kW, 25kW, and 30kW generators are excellent options for homeowners seeking reliable backup power. Their advanced features, durable construction, and efficient operation make them stand out in the market. Whether for essential home use or larger applications, Generac's lineup delivers dependable performance and innovative technology.