Duromax XP12000EH Generator Instruction Manual
Duromax XP12000EH Generator
Duromax XP12000EH Instructions
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Duromax XP12000EH Generator Specifications
| Feature | Specification |
|---|---|
| Model | XP12000EH (Dual Fuel: Gasoline / Propane) |
| AC Rated Wattage (Gasoline) | 9500 W |
| AC Surge Wattage (Gasoline) | 12000 W |
| AC Rated Wattage (Propane) | 8075 W |
| AC Surge Wattage (Propane) | 10200 W |
| AC Rated Voltage | 120/240 V |
| AC Rated Frequency | 60 Hz |
| AC Phase | Single |
| DC Voltage | 12 V |
| DC Amperage | 8.3 A |
| Dimensions (L x W x H) | 28 in x 22 in x 23 in |
| Engine Type | 4-Stroke OHV Forced-Air |
| Displacement | 457 cc |
| Ignition System | Non-Contact Transistor |
| Starting Type | Electric / Recoil |
| Fuel Tank Capacity | 7.9 US Gal (30 L) |
| Oil Capacity | 37 fl oz (1.1 L) |
| Run Time @ 50% Load (Gasoline) | 10 hr |
| Run Time @ 50% Load (Propane) | 5 hr (5 gallon tank) |
| Noise Level | <74 dB |
Duromax XP12000EH Generator Details
The Duromax XP12000EH has a full outlet panel for home backup, job sites and RVs. It includes a 120V 3-prong NEMA 5-20 receptacle, a 120V L5-30 twist lock, a 120/240V L14-30 4-prong twist lock and a 120/240V NEMA 14-50 receptacle. A resettable circuit breaker protects the unit from overload, a volt meter shows the output voltage, and a ground terminal accepts a No. 12 AWG stranded copper wire run to a copper or brass grounding rod.
Duromax's Power Boost Technology works through a voltage selector switch that changes how the dual 120V windings are connected. In the 120V ONLY position, the switch doubles the available 120V amperage and balances the load automatically. Use the 120/240V position when a 240V appliance is plugged in. Only move the switch with the main breaker OFF, because changing it under load can seriously damage the generator. In 120/240V mode, keep the load balanced across both sides of the circuit. An unbalanced load makes the breaker trip sooner.
The Auto Throttle lowers engine speed when nothing is drawing power, which saves fuel and cuts noise. The key switch has three positions (Start, Run and Off) and is powered by a 12V 7Ah battery. The easy-pull recoil start works as a backup. Don't run the starter motor for more than 5 seconds at a time. If the engine doesn't start, wait 10 seconds before trying again. An automatic low-oil shutoff protects the engine from damage.
To run on propane, turn the gasoline valve to horizontal (off), then connect the supplied hose's ACME nut to the tank. The regulator needs an LPG source of at least 3 PSI. Only plug in devices once the engine is running smoothly, because leftover gasoline in the carburetor can make it run unevenly for a few minutes. Never have both fuels on at the same time. To stop the generator on propane, turn off the loads first, then the main breaker, then the LPG supply, and finally turn the key to OFF.
Use SAE 10W-30 oil and fresh unleaded gasoline rated 87 octane or higher. Leave at least 1.5 in of space at the top of the tank. The fuel gauge may not register below about one third of a tank. The manual recommends an F6RTC spark plug (for example, NGK BPR5ES) gapped at 0.7–0.8 mm (0.028–0.031 in). Above 5,000 ft, a dealer should modify the carburetor. Even with that change, engine power drops by about 3.5% for every 1,000 ft of altitude.
For maintenance, the oiled foam air filter can be washed, and the fuel filter cup can be removed for cleaning. The oil drain plug takes a 10 mm wrench. Inspect the carbon brushes every 250 running hours. The AVR (automatic voltage regulator) can be replaced if overheating or overload damages it. The box includes a double-sided screwdriver, spanners, a spark plug wrench, an oil funnel with hose, DC charging cables and plug ends. The wheel kit is optional. Duromax gives a 3-year residential parts warranty (1 year for commercial use) and a 2-year emissions warranty.
Frequently Asked Questions (FAQs)
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