GUARDIAN® 17/16 kW HOME GENERATOR #5873 / 5874
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Main features Standby generatorsare hardwired to a house electrical system via a transfer switch and permanently connected to an external fuel source (such as liquid propane or natural gas). They can automatically supply continuous power to pre-selected circuits or the whole house in case of emergency for as long as the fuel is available.The largest US supplier gensets is Generac- its market share is about 65-70%. Generac's generators (such as Guardian®, Guardian Elite™ and QuietSource™) were among the best selling home standby systems on the market. Their latest 17kW/16kW air-cooled genset models 5873 and 5874 (which replaced Generac 5504 and 5505) are popular choices for homes with up to 5-ton central air conditioner. Note that regardless of place of purchase, you can usually order installation and service from GUARDIAN® local dealers or use your own licensed contractors. Main features:- Low noise - An option with a corrosion-resistant alumminum enclosure (model 5874) - Comes pre-wired and pre-packaged with commposite mounting pad for fast installation - Automatic Voltage Regulator with quality electrical output for sensitive electronics (THD<5%) - CARB compliant - 2 year, 200 hour oil change intervals (fiirst time: after 8 hours of operation) - 3-year limited warranty FUEL CONSUMPTION (approximate): - 183 cu.ft/hr NG / 1.61 gal/hr LPG at halff load; - 261 cu.ft/hr NG / 2.57 gal/hr LPG at fulll load. AUTOMATIC OPERATION The genset's control panel includes a control logic circuit board. This board constantly monitors utility power source voltage. Should that voltage drop below 60% of nominal (which is 78VAC), a sensor energizes a 10 second timer. After 10 sec., the engine will crank and start if utility is still low. After the engine starts, the control circuit lets it warm up for about 5 seconds. After that it activates the transfer switch and connects load circuits to the standby power supply. When line voltage is restored above 80% of nominal (which is 96 VAC), a re-transfer time delay starts timing. After 15 sec. circuit board de-energizes transfer relay in the transfer switch if utility is still present and transfer loads back to the grid. After re-transfer, the engine cools down for one minute and then shuts down. MANUAL OPERATION Use genset's AUTO/OFF/MANUAL switch and UTILITY/STANDBY handle inside transfer switch according to user's manual. PRICE AND REVIEWSSee Generac generator user reviews  . The model 5873 with steel enclosure is a lower cost version that sells online for about $3500-3600. If you live in a salt air coastal area, and you are concerned of enclosure's corrosion, consider version # 5874  with aluminum enclosure, which typically costs a few hundred dollars more.See also emergency standby home systems and Discount Generators. If you prefer to deal with a local dealer or an installer, complete a price quote request form. |
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TECHNICAL CHARACTERISTICS
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| The model may not start all brands or models of
central A/C. Make sure the surge capability (amps) of the generator is
greater than the LRA listed on the name plate of the air conditioner.
Otherwise, you may need to install a "hard start" kit (for more info
see our Sizing guide).For
other systems see our detailed rating
chart of standby generators. Notes. All data here are provided As Is. While efforts have been made to provide the most current and accurate data - we are not responsible for any errors. For official specifications and warranty info contact the product manufacturer. The sole responsibility when selecting a product rests with you, the buyer- read important Disclaimer linked below. Generac® & Guardian® are registered trademarks of Generac Power Systems, Inc. |
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© 2010 L. Rozenblat |