1. Інфармацыя па бяспецы
Operating a generator requires adherence to strict safety guidelines to prevent injury or property damage. Always read and understand the entire manual before operating the GENMAX GM12500iET generator.
Бяспека пры ўздзеянні чаднага газу (CO)
This generator is equipped with a built-in CO sensor for enhanced safety. The CO sensor is designed to shut down the generator if harmful levels of carbon monoxide accumulate in the operating area. However, this feature is a supplement and does not replace safe operating practices.
- Operate Outdoors Only: Always operate the generator outdoors in a well-ventilated area, far away from windows, doors, and vents to prevent carbon monoxide from entering enclosed spaces.
- Кірунак выхлапу: Пераканайцеся, што выхлапныя газы накіраваны далей ад людзей і будынкаў.
- Сігналізацыя CO: Install battery-operated carbon monoxide alarms in your home or RV and check them regularly.
Бяспека паліва
- Flammable Fuels: Gasoline, propane (LPG), and natural gas (NG) are highly flammable. Handle all fuels with extreme caution.
- No Smoking: Do not smoke or allow open flames near the generator or fuel storage areas.
- Запраўка: Always turn off the generator and allow it to cool before refueling with gasoline.
- захоўванне: Store fuels in approved containers in a well-ventilated area, away from ignition sources.
Электрабяспека
- Сухія ўмовы: Never operate the generator in wet conditions, rain, or snow. Keep hands dry when handling electrical components.
- Зазямленне: Ensure the generator is properly grounded according to local electrical codes.
- Абарона ад перагрузкі: Do not overload the generator. Utilize the circuit breakers to prevent damage.
- Гандлёвыя кропкі GFCI: The generator features GFCI outlets for protection against electric shock.
2. Прадукт скончыўсяview
The GENMAX GM12500iET is a powerful and versatile tri-fuel inverter generator designed for various applications, including home backup, RV use, and camping. It offers flexible fueling options, clean power output, and multiple starting methods.

Image: The GENMAX GM12500iET Tri-Fuel Inverter Generator shown with gasoline, propane, and natural gas options, highlighting its versatile fuel technology.
Асноўныя характарыстыкі
- Магчымасць выкарыстання трох відаў паліва: Operates on Gasoline (12500 surge, 10500 running watts), Propane (LPG 11500 surge, 9500 running watts), and Natural Gas (NG 10000 surge, 8500 running watts).
- Clean Inverter Power: Delivers less than 3% Total Harmonic Distortion (THD), making it safe for sensitive electronics.
- High-Capacity Output: Features a 458cc OHV engine with multiple outlets including 120V/240V 50A (NEMA 14-50R), 120V 30A, 120V 20A, 12V DC, and dual USB ports.
- Інтэлектуальнае лічбавае кіраванне: Digital display shows wattagе, выпtage, frequency, runtime, fuel level, and alerts.
- 4-Way Start: Electric Start, Bluetooth App, 2-Wire Auto Start, and Recoil Backup.
- Экалагічны рэжым: Automatically adjusts engine speed to load, reducing noise and extending runtime.
- Партатыўны дызайн: Equipped with a robust frame, wheels, and a foldable handle for easy transport.
- Функцыі бяспекі: Includes a built-in CO sensor and comprehensive protection against overload, over/under voltagе, кароткае замыканне і перагрэў.

Image: The GENMAX GM12500iET generator is depicted as suitable for multiple scenarios, including home backup, RV travel, camping, and powering tools at job sites.
3. Настройка
Before starting the generator, proper setup is crucial for safe and efficient operation.
3.1 Распакоўка і праверка
- Carefully remove the generator and all accessories from the packaging.
- Inspect the generator for any signs of shipping damage. If damage is found, contact customer support immediately.
- Verify all included components are present as listed in the 'What Comes in the Box' section.

Image: A visual representation of the items included in the GENMAX GM12500iET package, such as a spark plug wrench, screwdriver, remote control key, funnel, battery charger, NG quick connector, LPG hose, NG hose, and automatic start/stop cable.
3.2 Wheel and Handle Assembly
Attach the wheels and foldable handle using the provided hardware. This design facilitates easy transport of the generator.

Image: A person easily transporting the GENMAX GM12500iET generator across a lawn, demonstrating its easy transport design with a foldable handle and durable wheels.
3.3 Add Engine Oil
- Знайдзіце вечка/мацавальнік алею.
- Пераканайцеся, што генератар знаходзіцца на роўнай паверхні.
- Using the provided funnel, slowly add the recommended engine oil (refer to specifications for type and capacity) until it reaches the upper mark on the dipstick. Do not overfill.
- Шчыльна закруціце вечка заліўной адтуліны алею.
3.4 Connect Battery
- Знайдзіце батарэйны адсек.
- Connect the positive (+) battery cable (red) to the positive (+) terminal and the negative (-) battery cable (black) to the negative (-) terminal. Ensure connections are secure.
3.5 Fuel Connection
The GM12500iET supports three fuel types: Gasoline, Propane (LPG), and Natural Gas (NG).
- Бензін: Fill the fuel tank with fresh, unleaded gasoline. Do not use E85 or mixed fuels.
- Прапан (LPG): Connect a standard propane tank to the dedicated LPG inlet using the provided LPG hose. Ensure all connections are tight to prevent leaks.
- Прыродны газ (NG): Connect to a natural gas supply line using the provided NG hose and quick connector. Ensure connections are secure and leak-free.
Важна: Only use one fuel type at a time. Select the desired fuel using the fuel selector switch on the control panel.
Video: A detailed instructional video (22:55) covering the setup and initial preparation of the GENMAX GM12500iET Tri-Fuel Inverter Generator.
4. Інструкцыя па эксплуатацыі
Follow these steps to safely start and operate your GENMAX GM12500iET generator.
4.1 Панэль кіравання скончанаview
Familiarize yourself with the control panel components before operation.

Выява: буйны план view of the generator's control panel, showing the digital display, main switch, fuel source switch, LPG/NG inlet, AC breakers, ground terminal, various AC outlets (50A, 30A, 20A), DC 12V outlet, USB ports, and the battery charging port.
4.2 Запуск генератара
The GM12500iET offers four starting methods:
- Электрычны запуск:
- Пераканайцеся, што генератар знаходзіцца на роўнай паверхні, і ўсе злучэнні надзейныя.
- Select the desired fuel type using the fuel source switch.
- Turn the main switch to the 'ON' position.
- Націсніце і ўтрымлівайце кнопку «START/STOP», пакуль не завядзецца рухавік.
- Bluetooth App Start:
- Download the GENMAX app to your smartphone.
- Pair your device with the generator via Bluetooth.
- Follow the in-app instructions to start the generator remotely.
- 2-Wire Auto Start (for Home Backup):
- Connect the provided 2-wire auto start cable to a compatible automatic transfer switch (ATS) or home backup system.
- Ensure the 'AUTO GEN START SW' is in the 'ON' position.
- The generator will automatically start when power is lost and shut down when utility power returns.

Image: The GENMAX GM12500iET generator is shown providing power to an RV, illustrating the convenience of its Auto Gen Start feature with a communication cable for automatic starting and stopping.
- Recoil Backup Start:
- Ensure the main switch is 'ON' and fuel is selected.
- Моцна і плаўна пацягніце ручку стартара, пакуль рухавік не завядзецца.
4.3 Eco-Mode Operation
Engage Eco-Mode by pressing the 'ECO' button on the control panel. In Eco-Mode, the engine speed automatically adjusts to the electrical load, which reduces fuel consumption and noise levels, especially during light load conditions. This feature extends runtime and is ideal for quiet environments.

Image: The GENMAX GM12500iET generator operating outdoors, demonstrating its stable sine wave and low-noise technology, with a sound level indicator showing 62 dB at 7 meters.
4.4 Падключэнне электрычных нагрузак
- Once the generator is running stably, plug in your electrical devices or connect to your transfer switch.
- Не перавышайце намінальную рабочую магутнасць генератараtage. Monitor the digital display for wattagэлектронны выхад.
- Ensure all connected devices are in good working order and their power requirements are within the generator's capacity.
Video: An instructional video (4:28) demonstrating the operational procedures and features of the GENMAX GM12500iET generator.
5. Тэхнічнае абслугоўванне
Regular maintenance ensures the longevity and reliable performance of your GENMAX GM12500iET generator.
5.1 Маторнае масла
- Праверце ўзровень алею: Before each use, check the engine oil level and add if necessary.
- Замена алею: Change the engine oil after the first 20 hours of operation, then every 100 hours or annually, whichever comes first. Refer to the specifications for recommended oil type.
5.2 Паветраны фільтр
- агляд: Inspect the air filter element every 50 hours or monthly.
- Cleaning/Replacement: Clean or replace the air filter element as needed, especially in dusty conditions. A dirty air filter can reduce engine performance and increase fuel consumption.
5.3 Свечка запальвання
- агляд: Правярайце свечку запальвання кожныя 100 гадзін або штогод.
- Cleaning/Replacement: Clean or replace the spark plug if it is fouled or worn. Ensure the gap is set correctly according to the engine specifications.
5.4 Паліўная сістэма
- Паліўны фільтр: Inspect and clean or replace the fuel filter as recommended in the full manual.
- Захоўванне паліва: For gasoline, use a fuel stabilizer if storing the generator for extended periods. Drain the carburetor if storing for more than 30 days without stabilizer.
5.5 Агульная ўборка і захоўванне
- Трымайце генератар у чысціні і без смецця.
- Захоўвайце генератар у сухім, добра вентыляваным месцы, удалечыні ад прамых сонечных прамянёў і экстрэмальных тэмператур.
- If storing for an extended period, perform all necessary maintenance, including draining fuel (for gasoline) or disconnecting propane/natural gas lines.
6. Выпраўленне непаладак
This section provides solutions to common operational issues. For more complex problems, contact GENMAX technical support.
| праблема | Магчымая прычына | Рашэнне |
|---|---|---|
| Рухавік не запускаецца |
|
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| Low power output / Engine stalls under load |
|
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| Generator runs but no power output |
|
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| CO sensor shutdown |
|
|
Video: A brief instructional video (3:36) that may cover common troubleshooting steps or specific features of the generator.
7. Тэхнічныя характарыстыкі
Detailed technical specifications for the GENMAX GM12500iET Tri-Fuel Inverter Generator.
| Асаблівасць | Спецыфікацыя |
|---|---|
| Назва мадэлі | GM12500iET |
| Марка | ГЕНМАКС |
| Тып рухавіка | 4 Stroke, OHV |
| Аб'ём рухавіка | 458 кубічных сантыметраў |
| Тып паліва | Tri Fuel (Gasoline, Propane, Natural Gas) |
| Gasoline Starting Wattage | 12500 ват |
| Gasoline Running Wattage | 10500 ват |
| Propane (LPG) Starting Wattage | 11500 ват |
| Propane (LPG) Running Wattage | 9500 ват |
| Natural Gas (NG) Starting Wattage | 10000 ват |
| Natural Gas (NG) Running Wattage | 8500 ват |
| Аб'ём бака | 6.1 галонаў |
| Агульныя гарманічныя скажэнні (THD) | ≤3% |
| Noise Level (25% load) | Усяго 62 дБ (А) |
| Памеры прадукту (Д х Ш х У) | 30.9" x 22.63" x 29.33" |
| Вага прадмета | 251.92 фунта |
| Асаблівасці | CO Sensor, Bluetooth, 2-Wire Auto Start, Eco-Mode |
| Уключаныя кампаненты | Spark Plug Socket Wrench, Wrench, Remote Control Key, Funnel, Battery Charger, NG Quick Connector, LPG Hose, NG Hose, Automatic Start/Stop Cable |
8. Гарантыя і падтрымка
GENMAX is committed to providing reliable products and customer satisfaction.
8.1 Інфармацыя аб гарантыі
The GENMAX GM12500iET Tri-Fuel Inverter Generator is backed by a 3-гадовая абмежаваная гарантыяГэтая гарантыя распаўсюджваецца на дэфекты матэрыялаў і вырабу пры нармальным выкарыстанні і абслугоўванні. Калі ласка, захавайце пацвярджэнне пакупкі для прэтэнзій па гарантыі.
For specific terms and conditions of the warranty, please refer to the warranty card included with your product or visit the official GENMAX webсайт.
8.2 Тэхнічная падтрымка
Should you encounter any issues or require assistance with your generator, GENMAX offers ongoing technical support. Please have your model number (GM12500iET) and serial number ready when contacting support.
Contact information for technical support can typically be found on the GENMAX website or in the documentation provided with your generator.