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Most Recent Questions
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WILL HAVING GENERAC INCREASE ELECTRIC MONTHLY BILL ?
Recent Question:
How far away from my furnace exhaust do I need to place my standby generator?
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The yellow light is flashing and panel says check air filter; we did that and it was clean as a whistle. Is there a reset button? where is located?
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What size gas line do I need to run
Questions with Most Recent Answers
Question:
How far away from my furnace exhaust do I need to place my standby generator?
Question:
WILL HAVING GENERAC INCREASE ELECTRIC MONTHLY BILL ?
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The yellow light is flashing and panel says check air filter; we did that and it was clean as a whistle. Is there a reset button? where is located?
Question:
What size gas line do I need to run

Customer questions and answers for
Generac Power Systems 20kW-6730

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455 Questions
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Customer questions and answers for Generac Power Systems 20kW-6730

Question

what is the ammount of fuel used per hr? propane fuel

State: TN - Tennessee
Age: 55-64
asked 5 months ago
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chuck
thorn hill
on 20kW-6730
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answer 1
The 20kw Generator specification's state that @ half load generator will use an average of 1.64 gallons per hour. Generator being used at @ 100 percent load will use an average 2.95 gallons per hour. Keep in mind that many factors can cause these numbers to vary due to different loads. One Example : If a house is poorly insulated generator even though it may not be used at full load may affect the fuel consumption due to A/C inrush current duty cycles are higher than a house that is well insulated . I hope this gives you an idea of what to expect from a 20 kw generator.
State: TX - Texas
Age: 35-44
answered 5 months ago
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Ferezco
Poteet
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answer 2
When operating at full load on a liquid propane vapor fuel source, Generac’s 20kw Guardian Series automatic standby generator, model number 6244, will require 350,000 btu/hr, and 10-12” of water column. If you are interested in obtaining further specifications regarding this unit, they can be obtained by either contacting us directly at 888-GENERAC (436-3722), or using the model or serial number of the product in question via the following link: http://www.generac.com/service-supp....
answered 5 months ago
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GeneracPowerSystems02
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Question

How do I change the start time on the generator?

Fro when the power goes out until the generator starts
State: MN - Minnesota
Age: 18-24
asked 5 months, 1 week ago
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Mort24
Madison
on 20kW-6730
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Generac’s Guardian Series automatic standby generators feature a start-up delay time of 2-1500 seconds; this setting is followed by a 5-second generator warm-up. If the start-up delay on your unit is different than what you desire or expected, please contact an independent authorized service provider in your local area, to have the time adjusted. To locate an independent authorized service provider closest to you, please use your postal code for searching purposes via the following link: http://www.generac.com/dealer-locat....
answered 5 months, 1 week ago
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GeneracPowerSystems02
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Question

Re 20K smart switches

I must have the switch located outside. Is the enclosure designed for outside installation and if so what are the requirements?
State: PA - Pennsylvania
Age: Over 65
asked 5 months, 1 week ago
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roadrunner
Northeast
on 20kW-6730
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answer 1
Generac has switches available for interior use or exterior use. The spec of enclosure regardless of model you want to use is a nema 3 enclosure which is specifically design to withstand outdoor climate conditions. For your info interior enclosures will have a nema 1 rating . I hope this has answered your question.
State: TX - Texas
Age: 35-44
answered 5 months, 1 week ago
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by
Ferezco
Poteet
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answer 2
Generac’s automatic standby generators and associated transfer switches are typically recommended to be installed as close to the fuel source and incoming utility meter as possible. The Smart Switch included with the 20kw Guardian Series automatic standby generator, model number 6244, can be installed outdoors; it features a NEMA 3R enclosure, making it suitable for both indoor and outdoor installations. Your fuel line installer and certified electrician will be able to appropriately size the fuel line and wiring for installation to ensure there are no loss in fuel pressure or voltage drop due to the distances. The unit can also be installed as far away as necessary, provided that the proper wire gauge and fuel pipe size is utilized. Depending on your existing set up and backup power needs, the installing electrician will be able to determine the best location for the transfer switch. Further information on proper installation can be found in the installation guidelines provided with the unit. We recommend discussing the installation with your electrician or installer, as state and local codes may vary, and will supersede manufacturer recommendations for installation. To locate an independent authorized dealer for installation assistance, please use your postal code for searching purposes via the following link: http://www.generac.com/dealer-locat.... If you have any other product-related inquiries, please contact us directly at 888-GENERAC (436-3722).
answered 5 months, 1 week ago
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GeneracPowerSystems02
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Question

Use of AC contacts

Can my 6244 be installed without connecting the 24v low voltage thermostat wires for my air conditioner? I have only one AC and it would be difficult to get the 24v bell wire out to the generator. If I don't place anything on that load management module won't the AC simply come on when the electricity is restored by the generator. I realize that one losses the load management feature this way but as long as too great a demand is not being put on the generator all the appliance which are on (including AC thermostat calling for cooling) should operate shouldn't they?
State: AZ - Arizona
Age: Over 65
asked 5 months, 1 week ago
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Mike
Camp Verde
on 20kW-6730
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answer 1
Generac’s 20kw Guardian Series automatic standby generator, model number 6244, features a rating of 20,000 watts and 83.3 amps on a liquid propane fuel source, and 18,000 watts and 75 amps on a natural gas fuel source. We recommend ensuring that the loads that you desire to provide back-up power to not exceed these ratings. To ensure that your installation is appropriately configured, we recommend working with an independent authorized dealer in your local area. To locate an independent authorized dealer in closest to you, please use your postal code for searching purposes here: http://www.generac.com/dealer-locat....
answered 5 months, 1 week ago
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GeneracPowerSystems02
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Question

Can they be installed in a warehouse with proper ventilation?

State: ON - Ontario
Age: 55-64
asked 5 months, 2 weeks ago
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Marco
Hamilton
on 20kW-6730
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answer 1
Generac’s air-cooled automatic standby generators are manufactured to be installed in outdoor environments only. Even if the unit is properly ventilated, overheating and carbon monoxide-related concerns will still exist. As we do not have specifications on how to appropriately ventilate an unit via an indoor installation, we are unable to provide any sort of coverage for potential damage or issues incurred from such a set-up. If you have any other product-related inquiries, please contact us directly at 888-GENERAC (436-3722).
answered 5 months, 2 weeks ago
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GeneracPowerSystems02
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Question

size to start 2- 5 ton ac units

asked 5 months, 3 weeks ago
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jr
on 20kW-6730
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answer 1
Unfortunately, we are unable to size an unit via online correspondence. In order to determine the right size generator for your backup power needs, we would recommend working with an independent authorized dealer in your local area. To locate the independent authorized dealer closest to you, please use your postal code for searching purposes here: http://www.generac.com/dealer-locat....
answered 5 months, 3 weeks ago
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GeneracPowerSystems02
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Question

Want to elevate my 20kW 6244 Generac Power Generator during the install

I have the pea gravel that I will use for the 4 inches base . Wanted to use concrete cinder blocks to which I would attach your provided base. Please advise
State: NJ - New Jersey
Age: Over 65
asked 5 months, 3 weeks ago
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Ovar
Flanders
on 20kW-6730
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answer 1
We as the unit’s manufacturer would not recommend attaching the base of our Guardian Series standby generators to cinder blocks, as cinder blocks, pavers, or bricks are unable to carry or transfer the weight and vibration of the generator appropriately. Please note, however, that a pea gravel base (or cement pad) are acceptable for the proper installation of your specific product. To ensure that the unit is installed in accordance with our manufacturer’s recommendations, along with local code, we would recommend contacting an independent authorized dealer in your local area. To locate an independent authorized dealer closest to you, please use your postal code for searching purposes here: http://www.generac.com/dealer-locat....
answered 5 months, 3 weeks ago
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GeneracPowerSystems02
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Question

we have no gas in our small community, only oil & electricity

Can the same diesel fuel, also called home heating oil that is used for household furnaces, as well as, off-road usages for farm equipment/generators, be used? HOME HEATING OIL IS DIESEL FUEL, except that it contains a dye because it has NO FUEL TAX to the cost per gal. The dye is put in the diesel to signal unlawful use of the fuel by trucking companies when stopped and is a violation and fine.
THANKS FOR THE QUICK RESPONSE.
State: VA - Virginia
Age: Over 65
asked 5 months, 3 weeks ago
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DEKE
SPRINGFIELD
on 20kW-6730
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answer 1
Generac’s 20kw automatic home standby generator, model number 6244, is manufactured to run on either a natural gas or liquid propane fuel source; diesel fuel is not an applicable option for these particular models. To learn more about our Diesel standby generators, please visit the following link: http://www.generac.com/all-products....
answered 5 months, 3 weeks ago
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GeneracPowerSystems02
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Question

what is the gas pipe line on the Generac 20kw generator

State: NJ - New Jersey
Age: Over 65
asked 5 months, 3 weeks ago
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by
Ovar
on 20kW-6730
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answer 1
The gas meter and gas line should be sized by a independent authorized dealer, based on the volume and pressure required for the generator, as well as the volume and pressure required for existing appliances. We, as the manufacturer, are unable to make these recommendations due to the fact that there are many variables that come into play. The volume and pressure required for the 20kW unit, model number 6244, utilizing natural gas is 308,000 BTU/hr with 3.5-7” of water column, and when utilizing propane is 350,000 BTU/hr with 10-12” of water column. To obtain further specifications or information regarding this unit, please use the product’s model or serial number via the following link: http://www.generac.com/service-supp.... To locate an independent authorized dealer in your local area, please use your postal code for searching purposes here: http://www.generac.com/dealer-locat....
answered 5 months, 3 weeks ago
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GeneracPowerSystems02
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answer 2
The gas meter and gas line should be sized by a Generac dealer or a certified plumber, based on the volume and pressure required for the generator, as well as the volume and pressure required for existing appliances. We, as the manufacturer, are unable to make these recommendations due to the fact that there are many variables that come into play. The volume and pressure required for the 20kW unit, model number 6244, utilizing natural gas is 308,000 BTU/hr with 3.5-7” of water column, and when utilizing propane is 350,000 BTU/hr with 10-12” of water column. To obtain further specifications or information regarding this unit, please use the product’s model or serial number via the following link: http://www.generac.com/service-supp....
answered 5 months, 3 weeks ago
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GeneracPowerSystems02
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Question

transfer switch RTSY200A3

How can I get an owners manual without having serial number??
State: OH - Ohio
Age: 55-64
asked 5 months, 4 weeks ago
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rj
ohio
on 20kW-6730
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answer 1
Product documentation can be obtained online, by using the product’s model (RTSY200A3) or serial number via the following link: http://www.generac.com/service-supp.... If you are having issues locating your desired documentation online, please contact us directly at 888-GENERAC (436-3722).
answered 5 months, 4 weeks ago
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GeneracPowerSystems02
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Question

When does it turn off

State: LA - Louisiana
Age: 45-54
asked 6 months ago
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by
Rich
United States
on 20kW-6730
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answer 1
Generac’s 20kw Guardian Series automatic standby generators are manufactured to automatically turn on when an utility outage occurs, and to turn off when utility power returns. Comparatively, these units can be operated manually, which would necessitate turning the unit off by hand, when using the MANUAL setting on the unit’s control board. For further information regarding the operation of our Guardian Series units, please use the product’s model or serial number for searching purposes via the following link: http://www.generac.com/service-supp....
answered 5 months, 4 weeks ago
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GeneracPowerSystems02
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Question

What size propane tank is recommended in NorthEast Ohio for model # 6244 18/20kw?

Alternatively, what can be expected to be the hourly burn rate of propane for model #6244 in NE Ohio?
State: OH - Ohio
Age: Over 65
asked 6 months ago
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Bill
Novelty
on 20kW-6730
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answer 1
Generac’s 20kw Guardian Series automatic standby generator, model number 6244, requires the use of a tank sized to a 250 gallon minimum, regardless of the installation site. Please note, however, that numerous factors may play a part in determining the tank deemed necessary for your personal installation (i.e. temperature climate, desired loads, etc.). The minimum tank size for your application can be determined by a local certified plumber, gas supplier, or by a Generac independent authorized dealer. Moreover, when operating on a liquid propane fuel source at full load, the unit will consume 3.85 gal/hr (14.57 L/hr); the fuel pressure requirements for full load operation is 350,000 btu/hr and 10-12” water column. This information, along with other product-related specifications, can be located online by using the product’s model or serial number here: http://www.generac.com/service-supp.... To locate a Generac independent authorized dealer in your area for assistance, please visit: http://www.generac.com/dealer-locat....
answered 6 months ago
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GeneracPowerSystems02
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Question

Food truck

I need a 20 kw generator for my food truck. Are these generators durable enough and reliable enough to withstand being used several times a week as my main power source?
State: FL - Florida
Age: 45-54
asked 6 months ago
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by
Froyo
on 20kW-6730
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answer 1
Generac’s automatic standby generators require permanent installation. As these units require either being hooked up to a 250-gallon propane tank, or a natural gas line, they are not manufactured for portable use. Moreover, utilizing the unit for prime power would also negate the product’s warranty. If you are interested in our portable generators, which could be used to power loads on a food truck, please visit the following link: http://www.generac.com/all-products.... If you have any other product-related inquiries, please do not hesitate to contact us directly at 888-GENERAC (436-3722).
answered 6 months ago
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GeneracPowerSystems02
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Question

Does Model 6244 include PMM

Besides the transfer switch, what other specific parts (please supply part or model numbers) numbers are included with this 6244 model if any.
asked 6 months ago
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bas1995
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answer 1
Generac’s automatic standby generator, model number 6244, includes an external main circuit breaker, system status and maintenance interval LED indicators, a GFCI duplex outlet, composite mounting pad and fascia kit, model 5666. While this particular model is pre-packaged with a 200a Smart Switch transfer switch, model RTSY200A3, it does not include a PMM starter kit, model 6199, or any additional, individual PM modules, model(s) 6186. Further information regarding this and other Generac models can be located online, by using the model or serial number of a particular product here: http://www.generac.com/service-supp....
answered 6 months ago
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GeneracPowerSystems02
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Question

How much propane does the 20 kw generator use?

State: FL - Florida
Age: Over 65
asked 6 months ago
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Stan
key west
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answer 1
When operating at full load on a liquid propane vapor fuel source, Generac’s 20kw Guardian Series automatic standby generator will consume 3.85 gal/hr (14.57 L/hr). Furthermore, the required fuel pressure that the unit requires on a liquid propane vapor fuel source is 350,000 btu/hr, and 10-12” water column. If you have any other product-related inquiries, product documentation and specifications can be located online by using the unit’s model or serial number here: http://www.generac.com/service-supp....
answered 6 months ago
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GeneracPowerSystems02
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Question

transfer switch

What size transfer switch comes with the 20kw gaurdian generator. 200amp im guesssing. If I need a 400amp switch for my home then what is the price difference between the transfer switches only.
asked 6 months ago
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mike
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answer 1
Generac’s 20kw Guardian Series automatic standby generator, model number 6244, comes with a 200 amp Smart Switch transfer switch; alternative models do not come with a transfer switch included. In the event that your home’s configuration requires a different transfer switch, we would recommend contacting an independent authorized dealer in your local area. These businesses will not only be able to install your generator and associated transfer switch, but will also be able to provide you with any pricing discrepancies between two different transfer switches. If you have any other comments, questions, or concerns, please do not hesitate to contact us directly at 888-GENERAC (436-3722).
answered 6 months ago
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Question

Location

How close to the house can I locate the Guardian 20 kW? I have 30 " from the face of the house to my required front yard setback. I would be approximately 4' from my existing gas meter.
asked 7 months ago
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gg
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Generac’s Guardian Series air cooled automatic standby generators require a minimum clearance of 36” from the ends (short sides) of the generator. However, the distance required from the unit to any window, vent, door, opening into the home, and trees, plants or shrubs over 12” in height is a minimum of 60”. Also, the Guardian Series automatic standby generators feature a one hour fire rated enclosure, and are in compliance with NFPA 37 Article 4.1.4 Condition 2 for clearance from combustible construction. This means that the back side of the generator can be installed a minimum of 18” from a surface. Further information on proper installation can be found in the installation guidelines. A copy of the installation guidelines can be located by searching the model or serial number for the generator here: http://www.generac.com/Service/Manu.... In addition to consulting any installation-related documents, we would also recommend checking your local codes, to verify the appropriate configuration of your installation, as such ordinances will supersede any of our recommendations.
answered 7 months ago
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Question

can i install a natual gas generac generater in my garage

i would like to install a n/g 17kva generac generator in my garage and vent it to the outside like i do my natural gas furnace.i sometimes have snow drifts 15 to 20 feet high. i am worried about cooling air to the generator and the weight of the snow in the spring
Age: Over 65
asked 7 months ago
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smitty
canada
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answer 1
Generac’s automatic standby generators are manufactured for outdoor use only. Moreover, proper spacing from any wall openings, structures, or surfaces should be followed, in order to properly install an unit within the parameters set in the unit’s owner’s manual; failure to follow these instructions will void the product’s warranty. Even if ventilation is provided to the storage space in which the unit is placed, an indoor installation is not recommended, as it can potentially lead to overheating and/or a deadly carbon monoxide gas build-up. Considering this, the unit should only be appropriately installed outdoors. If the generator is needed in an area in which snow build up is a common issue, please note that the unit’s owner’s manual recommends clearing snow from the vicinity of the generator, to ensure that it will operate appropriately, when needed. If you have any other product-related inquiries, please do not hesitate to contact us directly at 888-GENERAC (436-3722).
answered 7 months ago
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Question

Can unit be used for main power supply for long periods?

State: MO - Missouri
Age: 45-54
asked 8 months ago
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Kelsey
Stockton
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answer 1
For the Guardian Series automatic standby generators, we recommend shutting the unit down after every 24 hours of operation to check oil levels and other maintenance items, such as the air filter. In the event that you will be away from the unit for extended periods of time, we recommend asking a trusted neighbor or family member to check on the unit in the event of an outage. The generator’s do feature a low oil pressure shut down alarm, however, allowing the unit to run at low oil can still cause permanent damage. Please note that these units are intended for backup power in the event of a utility outage, and that damage to the unit due to abuse, negligence, or use as a prime power source where no utility service exists is not covered under the product’s warranty.
answered 8 months ago
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GeneracPowerSystems02
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Question

Elevation derating factor?

I live at 4700 feet elevation and am considering purchasing a Generac Guardian series 20 kW to be run on natural gas. How much is the power output derated for this elevation?
State: NV - Nevada
Age: Over 65
asked 8 months ago
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NVGeo
Washoe County
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A few factors play a role in determining a derated output for a particular generator. When sizing, it should be taken into consideration that the maximum power decreases about 3.5% for each 1,000 feet above sea level and will also decrease about 1% for each 6°C (10°F) above 16°C (60°F) ambient temperature, meaning a larger unit may be required to power the items desired to be covered during an outage situation. To determine what limitations a higher altitude will create for your unit, or to assess the appropriate generator for your home back-up power needs, we would recommend contacting an independent authorized dealer in your local area. To find an independent authorized dealer closest to you, please use your postal code for searching purposes here: http://www.generac.com/dealer-locat....
answered 8 months ago
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