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Most Recent Questions
Recent Question:
How do I run test to ensure additional lights are powered by 20Kw generac generator during power outages?
Recent Question:
Transfer back to utility power source
Recent Question:
Wire harness replacement
Recent Question:
Are 2 - 200 Amp or 1 - 400 Amp Transfer Switch(s) better or more economical?
Recent Question:
Guardian 6439; Is the battey mounted inside the enclosure or external?
Questions with Most Recent Answers
Question:
Transfer back to utility power source
Question:
How do I run test to ensure additional lights are powered by 20Kw generac generator during power outages?
Question:
Wire harness replacement
Question:
Are 2 - 200 Amp or 1 - 400 Amp Transfer Switch(s) better or more economical?
Question:
Guardian 6439; Is the battey mounted inside the enclosure or external?

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

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

Question

Can the unit be positioned sideways as opposed to lengthwise?

The dimensions of the unit preclude it from being situated in the desired location in the traditional position. Can it be situated sideways?
State: GA - Georgia
Age: 55-64
asked 6 months ago
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Dan
Evans
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In order to ensure that your unit is properly configured in association with your local codes, we would recommend referring to 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/service-supp....
answered 6 months ago
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GeneracPowerSystems02
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Question

Whay voltage output is offered? Will the unit produce 480 voltage?

My application requires 480 volts will this unit produce it?
State: AL - Alabama
Age: 55-64
asked 6 months ago
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Fish head
Auburn
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Generac’s 20kW Guardian Series automatic standby generator, model number 6244, features a rated voltage of 120/240. If you are interested in a unit that can provide an output voltage of 277/480, we would recommend considering one of our larger liquid cooled units. To obtain further information on this particular series of generators, please visit the following link: http://www.generac.com/all-products....
answered 6 months ago
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GeneracPowerSystems02
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Question

reset inspect battery alarm on 20kw uni??t..I have inspect battery alarm on the remote also

State: NJ - New Jersey
Age: 55-64
asked 6 months ago
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stevekos
galloway nj
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To reset the Inspect Battery alarm, first inspect the unit’s battery and the associated connections to ensure that they will efficiently power the unit, when needed. Secondly, per the unit’s owner’s manual, put the unit into the OFF position via the unit’s control panel, and press the ENTER button to clear the alarm. Following these steps should also negate the alarm’s reading on the associated remote. To find this information in your unit’s documentation, please use the product’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

Does the Generac 20kw have a muffler attached to new model? If yes can additional sound reduction be achieved?

Does the Generac 20kw new model have a muffler installed? If yes can additional sound reduction be added.

David
State: AR - Arkansas
Age: Over 65
asked 6 months ago
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Dave
Little Rock
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Generac’s current 20kw Protector Series automatic standby generator, model RD020, features an enclosure that includes a critical grade muffler, which is mounted inside the unit to prevent injuries and maximize sound dampening. We as the manufacturer are unable to recommend making any modifications to the unit post-manufacturing, as such adjustments will void the product’s warranty. If you have any other product-related 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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GeneracPowerSystems02
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Question

Can I lock certain items out of the backup?

I have a Generac 20kw with the Smart Switch. I'd like to set up the system so that the generator does not try to run my pool pump and my heat pump style pool heater, both of which are tied into a subpanel. Is there a way to lock out the entire pool subpanel from being backed up, or at least the heat pump pool heater (which draws current similar to an air conditioner)? I was hoping that the Auxiliary Transfer Switch Contacts could be used for this, but it appears that those only work by interrupting the control wire of an appliance.
State: MO - Missouri
Age: 35-44
 
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asked 6 months ago
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Chuck
Saint Louis
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answer 1
Auxiliary Transfer Switch Contacts can definitely be utilized to achieve your desires to lockout certain loads. Referring to an independent authorized dealer will ensure that a relay is appropriately configured with the auxiliary contacts; these contacts can interrupt control wires or an entire power line, depending on which relay is utilized. If you are interested in locking out specific loads, we would recommend communicating these desires to you local installer. While the Smart Switch utilized in conjunction with Generac’s 20kw Protector Series automatic standby generators is capable of shedding loads, an independent authorized dealer should be able to assist in configuring your unit’s setup to accommodate your backup power needs. To locate an independent authorized dealer in your local area, please use your zip code for searching purposes here: http://www.generac.com/dealer-locat.... If you have any other product-related comments, questions, or concerns, please do not hesitate to contact Generac directly at 888-GENERAC (436-3722).
answered 6 months ago
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GeneracPowerSystems02
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Question

Battery Charger

How is the battery charger disconnected from Generac model 5875. So the battery can be changed safely.
State: NY - New York
Age: 55-64
asked 7 months ago
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dompos
huntington station
on 20kW-6730
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Information regarding the appropriate process for disconnecting your unit’s battery from the built in battery charger can be found in your product’s owner’s manual and associated documentation. Please note that disconnecting the battery cables will prevent the generator from being able to operate. Lastly, please note that a third party charger should not be utilized on the battery while it is connected to the generator system, as the use of such products can cause irreparable damage to the generator and/or controller. If you do not have access to the manual provided with the unit, we would recommend accessing the product’s documentation online by using the unit’s model or serial number here: http://www.generac.com/service-supp.... Utilizing this method helps to ensure that you will be retrieving information specific to your particular model of our automatic standby generators.
answered 7 months ago
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GeneracPowerSystems02
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Question

What does the 20kw model weigh?

State: WV - West Virginia
Age: Over 65
asked 7 months ago
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ecl
lewisburg
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Generac’s 20kw Centurion Series automatic standby generator, model number 6258, weighs 451 pounds (204.6 kilos). Further product information can be located by referring to the unit’s spec sheet here: http://www.generac.com/Residential/....
answered 7 months ago
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GeneracPowerSystems02
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Question

What is difference between model 6244 and model 6250

State: NY - New York
Age: 45-54
asked 7 months ago
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plumbersean
bronx
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answer 1
Generac’s 20kW Guardian Series Home Standby generator, model number 6250, does not come with pre-packaged with a transfer switch. However, model 6244 comes pre-packaged with a 200 amp service entrance rated Smart Switch.
answered 7 months ago
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Question

How many gallons of LP will a typical 20kW generator require in a 24 hour period?

asked 7 months ago
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Al
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The amount of fuel consumed by a 20kw Guardian Series automatic standby generator will vary, depending on the loads that you desire to back up in the event of a utility power outage. Also, fuel consumption varies between different years and makes of particular models. In order to find the fuel consumption information specific to your model, please refer to your unit’s owner’s manual and/or installation guide. Product documentation can be accessed online by using your model or serial number for searching purposes here: http://www.generac.com/Service/Manu....
answered 7 months ago
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GeneracPowerSystems02
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Question

what does the red led light mean?

what does the red led light mean?
State: ON - Ontario
This product will backup: Business Equipment
asked 7 months ago
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caris
Watford
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When your control panel shows a red LED light, it is either recognizing that your unit is currently in the “OFF” mode, or there is an associated alarm message. We would recommend referring to your unit’s control panel to ensure that your unit is not currently experiencing an error code in association with a red LED light. If your unit is displaying an alarm message/error code, we would recommend consulting your manual for suggestions, or contacting an independent authorized service provider for diagnostic assistance. To locate an independent authorized dealer closest to you, please use your zip code for searching purposes here: http://www.generac.com/Service/Deal....
answered 7 months ago
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GeneracPowerSystems02
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Question

WHAT AWG WIRE SHOULD I USE FOR 20KW GEN006250-0 AND TRSF SW RTSY200A3?

State: WV - West Virginia
This product will backup: Other
asked 7 months ago
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Connie
Huntington
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In order to ensure that you are utilizing the proper wire for your desired configuration, we would recommend referring to either an independent authorized dealer or certified installing electrician in your area. To locate an independent authorized dealer closest to you, please use your zip code for searching purposes here: http://www.generac.com/Service/Deal....
answered 7 months ago
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GeneracPowerSystems02
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Question

Yellow light on after service??

Just had service on my Generac 10 KW standby guardian series generator. First installed 12-6-2012. Yellow light came on around 12-6-2013. service just completed by installer. Yellow light still on. Service man says everything is fine?? Why does yellow light not go off?? Thank you for info
State: WV - West Virginia
Age: 55-64
This product will backup: Entire Home
asked 7 months ago
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Pam
Parkersburg
on 20kW-6730
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The serviceman probably did not reset the "oil change required" alarm. Open the top and hold down the enter button to reset the alarm. The yellow light should go off. If that doesn't work, check your manual or do an Internet search to find out how to reset the alarm. It's really pretty simple.
answered 2 months, 1 week ago
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dadman53
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Question

motor runs but no ac output.

Generac guardian 20kw. Motor runs but no ac output, replaced the regulator and even tried flashing it with a drill and 9volt battery. Any other ideas what could be the issue?"
asked 7 months ago
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Coop
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Question

Is it ok to let snow pile up around my permanent generax.

State: MA - Massachusetts
Age: Over 65
This product will backup: Furnace
asked 7 months ago
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Andy
Newburyport
on 20kW-6730
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During times where snowfall is expected, we recommend ensuring that snow and/or ice is cleared off of, and away from, the enclosure. There should be no snow piles or large accumulations of snow within five feet of the unit to ensure proper air flow if the unit were needed in an outage.
answered 7 months ago
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GeneracPowerSystems02
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Question

I am planning a standby generator system for my home.

I have 400 AMP utility service split into (2) 200 amp (30) slot panels.
Each panel has a 60 amp breaker for the 2 electric heat pump furnaces in my home. I heat the house off one of the heat pump systems when we do not have guests to fill the 6 bedrooms. My question is do I need 2 disconnects or can I simply connect to one of the panels for standby power and is 20KW enough.
State: MO - Missouri
Age: 55-64
This product will backup: Furnace
asked 7 months ago
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MarkinMo
Osage Beach
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The required configuration for your generator and associated transfer switches will depend upon the loads you intend to cover, as well as the setup of your home and purchased unit. To determine the generator and transfer switch most applicable to your backup power needs, we would recommend working with an independent authorized dealer. To locate an independent authorized dealer closest to you, please use your postal code for searching purposes here: http://www.generac.com/Service/Deal....
answered 7 months ago
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GeneracPowerSystems02
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Question

installation and delivery questions

my dealer/installer is putting the 20K generator on abed of rock that is not "pea" size. Is this acceptable? My second question is shoul I be charged for shipping to the dealers/installers office or is this included in the price of the generator?
State: IN - Indiana
Age: Over 65
This product will backup: Entire Home
asked 8 months ago
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scsc949
New Albany
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As specified in the unit’s installation guide, Generac’s air-cooled automatic standby generators should be installed on a level bed of pea gravel or cement base. We do not recommend installing the unit on any pavers or brick-constructed bases. Any damage incurred to the unit due to wrongful or improper installation will void the product’s warranty. Furthermore, we would recommend contacting the dealer for inquiries regarding costs incurred, as the unit would have been purchased through that particular dealer.
answered 7 months ago
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GeneracPowerSystems02
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Question

Procedure to turn fuel conversion knob

Just received my Guardian 20kw Model 6250. The installation manual says that it might be necessary to use pliers to break free the fuel conversion valve in order to turn it. Inside the unit there is a tag attached to the fuel conversion knob that gives directions that say to push in and turn the knob. Please explain exactly how the knob should be handled - I don't want to damage/break anything.
State: GA - Georgia
Age: Over 65
This product will backup: Entire Home
asked 8 months ago
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Dennis
Warrenton
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When adjusting the fuel conversion knob, one must push in and turn the knob until it rests on the proper fuel selected for use. Turning the knob may require utilizing a pliers for gripping purposes. If you are experiencing issues with turning this knob, please contact Generac directly at 888-GENERAC (436-3722) for assistance.
answered 7 months ago
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GeneracPowerSystems02
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Question

What is differance between mod. 5875 and mod. 6244

asked 8 months ago
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gauge640
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While Generac’s 20kW Guardian Series automatic standby generators, model numbers 5875 and 6244, are two very similar units, they do have a few slight differences. Each of these generators feature an external main circuit breaker, natural gas or liquid propane operation capabilities, and a low oil pressure shutdown. These units also come pre-wired with a 200 Amp, Service Entrance Rated transfer switch, however, the transfer switch utilized with model number 6244 comes with an aluminum enclosure. Another key difference between these two units pertains to the control panels featured in each. Model number 5875 features the Nexus Controller, whereas model number 6244 features our updated Evolution Controller. As for the fuel pressure required for the optimal performance of the generator, model number 6244 requires 205,000 btu/hour and 3.5-7” water column when operating the unit with natural gas, and 189,000 btu/hour and 10-12” water column for liquid propane. Conversely, model number 5875 requires 206,000 btu/hour and 5-7” water column for natural gas, and 173,880 btu/hour and 10-12” water column for liquid propane use. Further information can be found here: http://www.generac.com/Service/Manu..., by using each model number to search for the unit’s owner’s manual and additional documentation.
answered 8 months ago
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GeneracPowerSystems02
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Question

does the 20kw 6244 come with a battery?

State: NY - New York
Age: 55-64
This product will backup: Entire Home
asked 8 months ago
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pt
rye brook
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As the manufacturer, Generac Power Systems does not supply a battery with its automatic home standby generators. However,
the required battery is a Group 26R, 12V, 525 CCA minimum. When properly installed, the battery charger that is integrated into the control panel will maintain the charge on your battery. Furthermore, replacement batteries can be purchased through your local Generac certified service dealer. To locate a certified dealer, search your postal code here: http://www.generac.com/Service/Deal....
answered 8 months ago
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GeneracPowerSystems02
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Question

How to connect Generac Guardian 20kw to internet

I'm familiar with mobile link and the nexus remote controller. I'm not interested in a cellular service or the standalone wireless controller.

Is there a simpler approach to connect the unit through my wireless router to access the menu on the unit from my home computer?
State: NJ - New Jersey
Age: 55-64
This product will backup: Entire Home
asked 9 months ago
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Heatwave
Readington
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Other than the devices that you have alluded to, Generac’s generators do not have internet communication or monitoring capabilities. Our units utilize either a remote or cellular monitor. Currently, there are no provisions enabling customers to connect with the internet via our automatic standby generators.
answered 9 months ago
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