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Model # 6243
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MSRP: $4,299.00
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Limited Time: Free 5 Year Bumper To Bumper Extended Warranty with the purchase of this Generac Generator
Avg. Product Review Rating: 5.0/5 (based on 2 reviews - read reviews) Write a Review - $10 Store Credit

Generac Guardian 17kW Standby Generator Pre Packaged with 200 Amp Service Rated ATS 6243

  • True Power Electrical Technology
  • Two Line LCD Multi-Lingual Digital Evolution Controller
  • Includes 200 Amp Service Rated ATS with Digital Power Management technology (DPM) NEMA 3R Rated
  • 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 Generac Guardian 17kW standby generator package includes the 200-amp, service-entrance-rated Smart Switch, an automatic transfer switch capable of managing generator power for an entire home. The 6243 is a fully automatic generator package that protects your home from loss of power, even when you are not present. Guardian Generators carry a 5-year limited consumer warranty in residential installations.

Fuel Choices

The 6243 standby generator runs on either LP (propane) or natural gas, and is factory configured for natural gas. Conversion to LP during installation is fast and easy. Fuel consumption is directly affected by electrical loads and varies continuously as the load changes. LP gas consumption is 1.6 gallons per hour at half load. Half-load consumption of natural gas is about 183 cubic feet per hour. Running on LP gas the generator can produce up to 17,000 watts of power, or 16,000 watts on natural gas.  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

A specially designed Generac 992cc overhead-valve industrial V-twin engine supplies power to the generating unit. It has a pressurized oil lubrication system similar to an automobile that keeps the engine lubricated. Automatic shutdown for low oil pressure or high engine temperature protects the engine from damage.

Design features include moly plasma rings and plateau honed cylinder walls with 'Spiny-Lok' construction for extra rigidity, reduced wear, and low oil consumption. With solid state ignition and an extended maintenance period of 200 hours or 2 years, the Generac 6243 will provide power through extended outages that last for days.

Evolution Controls

The state of the art Evolution Controller manages generator and transfer switch operation. When an outage occurs, the Controller senses the outage and waits 10 seconds (dealer programmable from 2 to 1500 seconds), then starts the generator and signals the Smart Switch to move the house onto generator power. When power is restored, the controller signals the switch to return to utility power, runs the generator in a cool-down period, and shuts it down.

While the generator operates, the Evolution monitors and regulates the engine speed and controls the voltage to produce power utility-grade power suitable for all home electronics and appliances. Status updates, fault messages, and reports are shown on the controller's two-line display.

The controller also includes a smart battery charger that maintains the battery and monitors its ability to retain a charge. When the battery begins to fail, the controller notifies that homeowner to replace it―before the battery can no longer start the engine.

The optional Mobile Link accessory uses the cellular text message system to send status messages to your cellular phone, and to communicate with a web-based dashboard that gives you access to your generator from your smart phone, computer, or tablet. Program exercise periods, view reports, and schedule or check on maintenance from your home or anywhere with internet access.

The optional basic wireless monitor allows you to check generator status from inside your home. The advanced wireless monitor includes a controller display for viewing reports, testing the generator, or performing generator programming and tests.

Automatic Transfer Switch

The Smart Switch automatic transfer switch (ATS) is a service-entrance-rated transfer switch that selects between utility power and generator power. Typically, the Smart Switch installs between the home's main service panel and the utility meter. During normal operation, the ATS selects utility power. When an outage occurs, the switch disconnects the utility lines and connects the generator to the main circuit breaker panel.

The Smart Switch can manage two air conditioners without additional hardware. The addition of a Power Management Module Kit and additional Power Management Modules, allows the use of up to six high-voltage, high-current loads.

Generator Unit

The power generating unit produces AC electrical current at 240 volts. The generator's brushless design reduces noise and provides years of service. A rotating magnetic field and skewed stator produce a smooth, clean electrical signal with exceptional voltage and frequency regulation, even under heavy electrical loads. Fast response during continually changing loads allows for a constant 60-hertz AC signal with ± 1 percent voltage regulation.

Appearance and Noise

With an enclosure designed for weather resistance and an attractive epoxy finish, the 6243 will last for years, even in typically harsh coastal climates. Lockable ports allow access for maintenance while discouraging tampering. The fully enclosed muffler attenuates noise to 66db, making its compact design neighborhood and yard friendly. The unit installs on a gravel bed or concrete pad and is just 48 inches wide, 25 inches deep, and 29 inches high.

17kW Generac Guardian Generator Package 6243 includes:

200 Amp Service Rated Automatic Transfer Switch with Digital Power Management technology (DPM) Nema 3R Rated #RTSY200A3, Flexible Fuel Line Connector, Composite Mounting Pad (attached)

Warranty Information

Manufactures Limited Warranty: 5 Years

Product Specifications

Model
Model Number 6243
Manufacturer Generac Power Systems
Made In USA Yes
Rated Watts 17/16kW
Rated Amps 70.8 LP/66.6 NG
Voltage 120/240V Single Phase
A/C Ton Rating 5 Ton
Enclosure Aluminum
UL Listed Yes
Decibel Rating 66 db(A)
Features
Starting System Automatic
Low Oil Alert Yes
Mainline Breaker 65 Amps
Hour Meter Yes
Battery Requirement Group 26R, 12V, 525 CCA
Mounting Pad Composite Base Attached
Product Weight 471 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 16kW
LP Power Capacity 17kW
NG Consumption @ Full Load 312 cu.ft/hr
NG Consumption @ 1/2 Load 193 cu.ft/hr
LP Consumption @ Full Load 3.5 gal/hr
LP Consumption @ 1/2 Load 1.9 gal/hr
Transfer Switch
Transfer Switch Model RTSY200A3
Transfer Switch Amps 200 Amps
Transfer Switch Circuits Service Rated - Whole House
ATS Poles 2
Warranty Information
Consumer Warranty 5 Year Limited
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Product Reviews

  1. Better Than Con Edison!!

    Posted by Ray Lips From Otto A Lips Electric on 16th Jan 2014

    My customer called me when the power was restored from con Edison and requested a solution to disable con Edison as they where cooking up a storm for a big party. The generator was putting out more power than con Ed.
    Now that is a satisfied customer!!

    Thanks, Ray


  2. Peace of Mind In Hurricane Country

    Posted by Tommy R on 20th Jul 2013

    After years of living in South Louisiana with small portable gasoline powered generators I purchased a 17KW Generac Natural Gas powered, whole house unit. Preforms very well, have only tested it under load a few times, no power outage yet. Powers (2)two 2.5 ton Central AC units & rest of home very well. Also runs electric clothes dryer, but I plan to use Dryer with AC units off, only to save fuel. Chose this 17 KW unit because my home is not total electric. Installed transfer switch & generator myself with no problems as per instructions. Took (1)one weekend to install, with help from my (2)two adult sons, did have the Utility Company install a High Volume Gas Meter on my home because of other gas appliances (gas stove, gas heaters & water heaters) that were existing. I suggest checking with local Utilities about this, based on individual gas consumption.


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