Generac Guardian 5873 17kW Standby Generator Steel Pre Packaged with 100 Amp 16 circuit ATS
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The Generac Guardian Model 5873 is a standby generator offered by Norwall Power Systems. It includes a 17-kilowatt generator and a pre-wired, 100 amp, Generac EZ Switch, which integrates the generator into your home's electrical system. Guardian series generators with automatic transfer switches start automatically and switch your home to generator power, protecting your home during a power outage, even if you are not home.
Like all Guardian Series generators, the 5873 runs on LP or Natural gas. The availability of natural gas in urban areas makes it a common choice, but LP gas offers slightly more power. The generator produces 17 kilowatts with LP gas, while natural gas produces 16 kilowatts. Fuel cost also affects the choice between LP and natural gas. Operating at 50 percent load, the engine consumes about 1.6 gallons of LP gas, or 183 cubic feet of natural gas per hour. At full load, fuel use increases to 2.6 gallons per hour for LP gas, and 261 cubic feet per hour.
Generac's OHVI engine is the only engine in the industry designed specifically to run a generator. The 5873 incorporates a 32 horsepower, 992cc V-twin engine to turn the power generating unit at 3600 RPM. The pressurized lubrication system keeps it running for long periods without interruption. Although designed to run on both LP or natural gas, the engines are factory set for a natural gas installation, but are easily changed to LP gas by the installer.
Other engine features include reduced vibration, cooler operation, and low oil level sensing and shutdown.
The UL Rated EZ Switch is an automatic transfer switch that moves vital circuits from utility power onto generator power without homeowner intervention. The EZ switch mounts near the main distribution panel for simpler installation, homeowner convenience and access.
The transfer switch is pre-wired with 16 circuit breakers to simplify installation. Transfer switch wiring connects to the existing service panel through a 24-inch flexible conduit. Wiring connections for the generator are made through a 30-foot flexible conduit.
At the heart of all Guardian generators is the Nexus Controller. It starts and stops the generator, monitors and charges the battery, and alerts the homeowner to a failed or failing battery. Every week the controller starts the engine and runs it for a 12 minute exercise cycle.
The controller senses power outages and starts the generator after a programmable ten to thirty second delay which eliminates starting during a momentary interruption. After startup, the Smart Switch switches critical circuits to generator power. It continuously monitors the generator's voltage and AC frequency and makes adjustments as necessary for utility quality power. Once service is restored, the Smart Switch changes back to utility power. The controller then operates the generator in a cool-down cycle for an additional minute.
Another controller feature alerts the homeowner or installer to wiring faults and prevents damage to the electronic circuits. In the event of problems, the advanced wireless controller emits an audible alarm.
A Generac Advanced Wireless Monitor allows monitoring generator operation and controlling certain functions of the Nexus Controller indoors. The basic wireless monitor provides three LEDs that display the current generator status.
The AC generator turned by the engine produces electricity. The combination of a revolving magnetic field inside a skewed-stator armature produces a smooth, clean alternating current that is free from spikes and noise. This design aids the starting of large motors with high inrush current requirements. Automatic voltage regulation keeps the output voltage steady for powering appliances and sensitive electronic equipment.
The 5873 generator is housed in an unobtrusive steel cabinet with a Rhinocoat finish to provide long lasting weather protection and a clean appearance. The cabinet stands 29 inches tall, 48 inches wide and 25 inches deep and sits on composite mounting pad. The muffler is enclosed within the cabinet for safety and restricts noise levels to 66db or less.
100 Amp 16 Circuit Nema 1(Indoor Rated) Automatic Transfer Switch, Pre-Wired Conduits, Composite Mounting Pad, Flexible Fuel Line Connector, Pre-Wired External Connection Box.
|Manufacturer||Generac Power Systems|
|Made In USA||Yes|
|Rated Watts||17 kW|
|Voltage||120/240V Single Phase|
|A/C Ton Rating||5 Tons|
|Decibel Rating||66 db(A)|
|Low Oil Alert||Yes|
|Mounting Pad||Composite (Included)|
|Product Weight||535 lbs.|
|Dimensions (Inches)||48L x 25W x 29H||Engine|
|Engine Size||32 HP/992 cc|
|Engine RPM||3600 RPM|
|Cast Iron Sleeve||Yes|
|Cooling System||Air Cooled||Alternator|
|Auto Voltage Regulation||Yes|
|NG Power Capacity||16000|
|LP Power Capacity||17000|
|NG Consumption @ Full Load||261 cu.ft./hr.|
|NG Consumption @ 1/2 Load||183 cu.ft./hr.|
|LP Consumption @ Full Load||2.57 gal./hr.|
|LP Consumption @ 1/2 Load||1.61 gal./hr.||Transfer Switch|
|Transfer Switch Model||RTS16EZA1 Nema 1, Indoor rated|
|Transfer Switch Amps||100 Amps|
|Transfer Switch Circuits||16 Pre-Wired Circuits 5-15A 120V 5-20A 120V 1-20A 240V 1-40A 240V 1-50A 240V|
|ATS Poles||2 Poles||Warranty Information|
|Consumer Warranty||3 Years Limited|
|Commercial Warranty||3 Years Limited|
|Shipping Weight||623 lbs|
|Shipping Dimensions||45H x 50W x 27D|
Posted by Allan Kovach on 5th Aug 2013
Went through Sandy last year, 9 days with no electric, water etc. Purchased and installed the 5873, 17 kw this July. Its up and running.
Norwall shipped quickly and delivered without any issues.
Posted by Jordan Levine on 4th Aug 2013
I can't say enough about this generator. It has saved us multiple times during power outages that lasted over 7 days. This generator works seamlessly.
Additionally, the service and shipping from Norwall was top notch.
Posted by Marco O on 11th Jul 2012
Right from the get go, the experience was excellent. I called the customer service number to get some help in choosing the right product for my needs, after a few questions the Rep. told me to consider their Generac Guardian 17kW Standby Generator. I read all the information about it and decided that it was the perfect fit for my needs. The online purchase was so easy I almost doubted it was going to go through with some sort of problem or follow up, due to the $$ amount; to my surprise a week later I received a call to set up the delivery day and time. When the unit arrived, it was very nicely packaged and it came undamaged; it was also very easy to unpackaged and to place in position. The installation was easy as it already had all the wires connected to the switch box. With the help of two friends (electrician and plumber) the unit was ready to go in less than a few days. I am very happy with the unit which looks very clean and is sturdy enough to withstand the beautiful San Diego, CA weather. Thank you so much for making such a quality product and the buying process such a nice experience, keep up the good work.
Posted by Stephen M on 28th Apr 2012
I am very pleased with my Generac Guardian 5873 standby generator. It provides a great sense of peace of mind, knowing that that my home is protected in the event of a power outage. The system performs flawlessly and quietly. I have recommended it to my neighbors and friends. The customer service staff at Norwall were very courteous and helpful when I asked questions prior to ordering the system. The ordering process was simple and direct. I received a courtesy phone call to let me know when the order was being shipped. The truck driver actually placed the unit on my patio just a few feet away from the installation site. I couldn't be more pleased with the experience of ordering, delivery, installation, and ownership.
Posted by Unknown on 28th Apr 2012
Bought generator to replace portable generator so I could run more than just my sump pump. Installed easily and maintenance is simple. Delivery was prompt and courteous. When power goes out I just sit and wait for generator power to come on. I never have to worry about sump pump flooding when I am away from home. Best money I have spent.