Generac QT owner manual Specifications

Page 10

Standby Generator Sets

Specifications

SPECIFICATIONS

‹ GENERATOR

Type

Synchronous

Rotor Insulation

Class F

Stator Insulation

Class F

Total Harmonic Distortion

< 5%

Telephone Interference Factor (TIF)

< 50

Alternator Output Leads 3-phase

4-wire

Bearings

Sealed Ball

Coupling

Flexible Disc

Load Capacity (Standby Rating)

20kW*

*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

83

100

120/208V, 3-phase, 0.8 pf

20

69

80

Generator Locked Rotor KVA Available @ Voltage Dip of 35%

Single-phase or 208 3-phase

 

34 KVA

‹ ENGINE

Make

Generac

Model

In Line

Cylinders and Arrangement

4

Displacement

1.5 Liter

Bore

2.97 in.

Stroke

3.23 in.

Compression Ratio

9.4-to-1

Air Intake System

Naturally Aspirated

Valve Seats

Replaceable

Lifter Type

Hydraulic

Engine Parameters

 

Rated Synchronous RPM

60 Hz, 3600

HP at rated kW

60 Hz, 32

Exhaust System

 

Exhaust Flow at Rated Output 60 Hz

177 cfm

Exhaust Temperature at Rated Output

910° F

Combustion Air Requirements (Natural Gas)

Flow at rated power, 60 Hz

70 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

2550

Fan Diameter

15 inches

Fan Mode

Pusher

Air Flow (inlet air including alternator and

 

combustion air)

1528 ft3/min.

Coolant Capacity

2.0 U.S. gal.

Heat Rejection to Coolant

107,000 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

60/24

124/49

188/75

250/99

315/125

‹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

25

1.65% for every 10° above °F

77

Altitude Deration

 

1% for every 100 m above m

182

3% for every 1000 ft. above ft

600

Controller

R-100

6-1

11/05 B .Rev GenSpec013

Image 10
Contents QT 1.5L 20kW Models Standby Generator Sets Table of Contents  Warning   Electrical Hazards  Authorized Service Dealer Location ‹ Operation and Maintenance‹ HOW to Obtain Service IntroductionIdentification Record ‹ Data LabelEngine OIL Recommendations Equipment DescriptionCoolant Recommendations Engine Protective Devices ‹ Natural GAS Fuel System Fuel System‹ Fuel Requirements ‹ LP Fuel SystemSpecifications ‹ Reconfiguring the Fuel System ‹ Cold Weather KIT‹ 3-PHASE Alternators Alternator Power Winding Connections‹ FOUR-LEAD, SINGLE-PHASE Stator Generator AC Lead ConnectionsPreparation Before START-UP InstallationInitial Inspection for QT Genset Startup ‹ Preparation for START-UP START-UP Checklist‹ START-UP Inspection ‹ Engine START-UP and Transfer Operating Unit with Manual Transfer SwitchGenerator Control Operation ‹ Retransfer and ShutdownCooling System Checking Fluid LevelsMaintenance Owner Operator can Perform ‹ Changing Engine OIL ‹ Changing the Engine AIR Cleaner ‹ Coolant Change‹ Spark Plugs Miscellaneous Maintenance Service Schedule Service Maintenance Interval InformationLevel Maintenance Level Troubleshooting Guide Problem Cause CorrectionStandby Generator Sets Standby Generator Sets Standby Generator Sets Standby Generator Sets Page Breaker Tray BACK/BOTTOM Page Assy Rotor 20KW Page Encl HSB Control Panel Page Battery Tray C1 CPL Page Mounting Base 1.5L C1 CPL Page Support Radiator LH Side Page ASM Motor Stepper Page ENGINE-1.5L Page Elbow 90D 3/4 NPT Page Roof C1 CPL Page Muffler C1 Page Page Page Page Page Page Standby Generator Sets Warranty

QT specifications

Generac QT is a line of advanced, high-quality standby generators designed for residential and commercial use. These generators are engineered to provide reliable backup power in the event of a utility outage, ensuring that homes and businesses remain operational during unforeseen circumstances.

One of the main features of the Generac QT series is its powerful engine, designed to deliver robust performance. The generators typically come equipped with Generac’s G-Force engine, renowned for its durability and long life. This engine is built to run at a lower RPM compared to competitors, which not only reduces noise but also enhances the overall lifespan of the generator.

The QT series also boasts a self-test mode, allowing users to conduct routine checks to ensure the generator remains in optimal condition. This feature minimizes the risk of unexpected failures and ensures that the unit is always ready for action when needed. Additionally, the generators are equipped with a power management system that intelligently balances the load, ensuring that essential systems receive power during an outage.

Another standout characteristic of the Generac QT series is its Quiet-Test technology. This innovative feature allows the generator to run at a lower decibel level during routine testing, making it less intrusive in residential areas while still ensuring functionality. This aspect highlights Generac's commitment to creating products that are not only efficient but also considerate of the surrounding environment.

The Generac QT generators are also equipped with an advanced digital controller that provides real-time monitoring and diagnostics, making it easier for users to track performance and maintenance needs. This allows for prompt action in case any issues arise, further ensuring the reliability of the power supply.

User convenience is a priority for Generac, and the QT series reflects this with its easy-to-understand control panel. The intuitive design makes it simple for users to monitor generator status, adjust settings, and understand power usage. Furthermore, the generators can be integrated with home automation systems, providing an added layer of convenience and control.

Overall, the Generac QT series stands out for its powerful engine, advanced technologies, and user-friendly features. It is an excellent option for those looking to invest in a dependable standby generator that meets modern energy needs while maintaining efficiency and operating quietly. With its focus on quality and innovation, Generac continues to be a leader in the power generation industry.