QT08046GNAX - Generator Generac - Free user manual and instructions
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| Product Type | Standby Generator |
| Model | QT08046GNAX |
| Brand | Generac |
| Power Output (Running) | 8,000 Watts |
| Power Output (Surge) | 10,000 Watts |
| Voltage | 120/240V Single Phase |
| Fuel Type | Natural Gas or LP (Liquid Propane) |
| Engine Displacement | 1.0 L (999 cc) |
| Engine Speed | 3600 RPM |
| Cooling System | Air-cooled |
| Sound Level | 67 dBA at 23 ft (7 m) |
| Fuel Consumption (Natural Gas) | 120 ft³/hr at 50% load |
| Fuel Consumption (LP) | 3.0 gal/hr at 50% load |
| Dimensions (L x W x H) | 48.5 x 25.2 x 29.3 in (123 x 64 x 74 cm) |
| Weight (Dry) | 350 lbs (159 kg) |
| Oil Capacity | 1.5 qt (1.4 L) |
| Battery Required | 12V, Group 26R, 525 CCA |
| Transfer Switch Compatibility | Automatic Transfer Switch (ATS) recommended |
| Starting System | Electric Start (Battery) |
| Emissions Compliance | EPA and CARB certified |
| Warranty | 5-Year Limited Warranty |
| Enclosure Material | Weather-resistant composite |
| Maintenance Interval | Oil change every 100 hours or annually |
| Features | Wireless Remote Monitoring, Load Management Ready |
Frequently Asked Questions - QT08046GNAX Generac
What type of transfer switch do I need for this generator?
The Generac QT08046GNAX requires an automatic transfer switch (ATS) rated for 8kW (33.3A at 240V). Generac recommends using a compatible ATS such as the RX02016ANAX or similar. The switch must be installed by a licensed electrician.
What is the recommended maintenance schedule?
Perform oil changes every 100 hours or annually, whichever comes first. Replace spark plugs every 200 hours. Check air filter every 50 hours and replace if dirty. Annual maintenance by a qualified technician is recommended for full inspection.
Can I run this generator on natural gas and LP?
Yes, the QT08046GNAX is dual-fuel and can run on either natural gas or liquid propane (LP). The generator comes pre-configured for natural gas, but a conversion kit is available for LP. Fuel consumption varies: at 50% load, it uses ~120 ft³/hr of natural gas or ~3.0 gal/hr of LP.
How do I reset the generator after a fault or overload?
If the generator shuts down due to a fault (e.g., low oil, overload), first resolve the cause. Then press the 'OFF' button on the control panel, wait 10 seconds, and turn the switch back to 'AUTO'. If using a manual transfer switch, reset the breakers. Consult the manual for specific error codes.
What is the sound level of this generator?
The sound level is rated at 67 dBA at 23 feet (7 meters). This is comparable to a normal conversation. It is quieter than many portable generators due to the sound-dampening enclosure.
How much clearance does the generator need?
For safety and airflow, maintain at least 5 feet (1.5 m) clearance from buildings or obstructions on all sides. The exhaust must be directed away from windows, doors, and vents. Do not install in enclosed spaces.
What type of battery does the generator use?
The generator requires a 12V battery, Group 26R, with a minimum of 525 Cold Cranking Amps (CCA). A lead-acid battery is standard; AGM batteries are also compatible. Keep the battery charged for reliable starting.
Does the generator come with a remote monitoring feature?
Yes, the QT08046GNAX includes Generac's Wireless Remote Monitoring system. You can check generator status, history, and get maintenance alerts via the Generac app on your smartphone or computer.
What is the warranty coverage?
Generac offers a 5-Year Limited Warranty on the generator, covering parts and labor for defects in materials or workmanship. The warranty applies when installed by a Generac authorized dealer. Extended warranties are available.
Can I install the generator myself?
Professional installation is strongly recommended. It involves gas piping, electrical connections, and transfer switch setup. Improper installation can void warranty, cause safety hazards, or damage the generator. Hiring a licensed electrician and plumber is advised.
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USER MANUAL QT08046GNAX Generac
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Product information
Brand : Generac
Model : QT08046GNAX
Category : Generator