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Model # 6247
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MSRP: $2,999.00
$2,939.00
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Generac Guardian 14kW Automatic Home Standby Generator 6247

  • True Power Electrical Technology
  • Two Line LCD Multi-Lingual Digital Evolution Controller
  • Transfer Switch Options Available
  • Electronic Governor
  • External Main Circuit Breaker, System Status & Maintenance Interval LED Indicators
  • Sound Attenuated Enclosure
  • Flexible Fuel Line Connector
  • Composite Mounting Pad
  • Natural Gas or LP Gas Operation
  • 5 Year Limited Warranty
  • UL 2200 Listed

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Details and Specifications


The 6247 standby generator from Generac Power Systems produces up to 14 kilowatts of power during a power outage to keep both essential and convenience circuits running until the electric utility restores power. The generator and automatic transfer switch (sold separately) are a permanently installed system that detect outages and start automatically―even when you are not present―to supply your home with electrical power for refrigerators, sump pumps, air conditioners, and other essential appliances.

Fuel Choices

Generac builds their standby generators to use either LP gas (propane) or natural gas. Generators are configured at the factory to run on natural gas, but converting to LP gas is a simple procedure performed during installation. The 6247 will produce up to 14,000 watts of power while running on either fuel. Running at half the rated electrical load, the generator consumes about 177 cubic feet of natural gas per hour, or about 1.9 gallons of LP gas per hour. Fuel consumption is directly related to the electrical load; as the electrical load changes, so does the fuel consumption rate.  Required fuel pressure to generator fuel inlet at all load ranges 3.5" - 7" water column for natural gas or 10" - 12" water column for LP gas.

Engine

The 14kW generator employs a 992cc overhead valve industrial engine designed by Generac specifically to handle the demands of a standby generator system. It features a fully pressurized oil system similar to an automobile engine, a solid state ignition system, and a 200 hour maintenance interval to allow for extended operation during a long-term power outage.

Engine design includes extra-rigid Spiny-Lok cylinder construction, plasma moly rings, and plateau-honed cylinder walls which extend engine life and reduce oil consumption. Automatic shutdown protects the engine from damage caused by low oil or high temperature conditions.

Evolution Controls

Generac's Evolution Controller handles all aspects of the standby generator operation. It continuously monitors the utility power supply until it senses an outage. After a 10 second delay (dealer programmable from 2 to 1500 seconds) it starts the generator and signals the automatic transfer switch to move the house onto standby generator power. During operation, it keeps the engine speed at a constant 3600 RPM and regulates the voltage to provide a clean, steady source of electricity suitable for sensitive electronics and comparable to power supplied by electric utilities.

When the electric utility supply is restored, the transfer switch reconnects power from the utility. The controller allows the generator to run without load for about one minute, then shuts down the engine.

The Evolution includes a smart battery charger, programmable exercise periods, maintenance alerts, and advanced fault detection and reporting. It will sense a dying battery and notify the owner that it requires changing.

Optional controller accessories (sold separately) include Mobile Link, a messaging system that sends status updates to your cellular phone and allows you to access the controller from a smart phone, tablet, or computer from anywhere with an internet connection. You can schedule maintenance, program exercise periods, and view generator status from inside the house or across the country.  The basic wireless monitor allows you to view generator status inside the house. The advanced wireless monitor provides access to alerts, generator testing, programming maintenance, and much more.

Generator Unit

The generating unit has a brushless design with a revolving magnetic field and skewed stators. Brushless design gives the unit a longer life, while the revolving field and skewed stators provide a cleaner electrical signal, even when under a heavy load supporting high-demand appliances like air conditioners and well pumps. A high reserve capacity allows the generator unit to provide enough electricity to start large motors, even when the unit is operating at the upper end of its maximum continuous load range.

Appearance and Noise

Generac air-cooled standby generators fit easily into any urban setting. The attractive steel enclosure has a powder coat paint finish for a long lasting finish that withstands harsh coastal environments. Lockable access ports prevent tampering and provide easy access to the control panel and generator. This unit is 48 inches wide, 25 inches deep and 29 inches high. The 6247 produces about 66db of noise, similar to central air conditioning units.

Warranty Information

Manufactures Limited Warranty: 5 Years

Product Specifications

Model
Model Number 6247
Manufacturer Generac Power Systems
Made In USA Yes
Rated Watts 14kW
Rated Amps 58.3
Voltage 120/240V Single Phase
A/C Ton Rating 4 Tons
Enclosure Steel
UL Listed Yes
Decibel Rating 66 db(A)
Features
Starting System Automatic
Low Oil Alert Yes
Mainline Breaker 60 Amps
Hour Meter Yes
Battery Requirement Group 26R, 12V, 525 CCA
Mounting Pad Composite Base Attached
Product Weight 435 lbs.
Dimensions (Inches) 48L x 25W x 29H
Engine
Engine Brand Generac OHVI V-Twin
Engine Size 992 cc
Engine RPM 3600
Cast Iron Sleeve Yes
Cooling System Air Cooled
Alternator
Alternator Type Brushed
Frequency 60 Hz
Auto Voltage Regulation Yes
Fuel
Fuel Type LP/NG
NG Power Capacity 14kW
LP Power Capacity 14kW
NG Consumption @ Full Load 279 cu.ft/hr
NG Consumption @ 1/2 Load 177 cu.ft/hr
LP Consumption @ Full Load 3.0 gal/hr
LP Consumption @ 1/2 Load 1.85 gal/hr
Transfer Switch
Transfer Switch Model Sold Separately
Warranty Information
Consumer Warranty 5 Year Limited
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Shipping Terms

All generators include 24 hour delivery notification and residential delivery. Liftgate service is available on all air-cooled generators and some liquid cooled units – Please call for verification. Free Shipping is curbside service only. Curbside service means the freight company will deliver to your address and lower your generator to the ground. The freight company will not back down driveways, place a generator in a building or where it is being installed. You are responsible for arranging the movement and setting of the generator.

Some restrictions apply to "Free Shipping" you may either view our
Shipping Information page or contact us for details.