1. Інформація про безпеку
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.
Carbon Monoxide (CO) Safety
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.
- Напрямок вихлопу: Ensure the exhaust is directed away from people and buildings.
- Сигналізація CO: Install battery-operated carbon monoxide alarms in your home or RV and check them regularly.
Безпека палива
- 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.
- Заправка: Always turn off the generator and allow it to cool before refueling with gasoline.
- Зберігання: Store fuels in approved containers in a well-ventilated area, away from ignition sources.
Електробезпека
- Сухі умови: Never operate the generator in wet conditions, rain, or snow. Keep hands dry when handling electrical components.
- Заземлення: Ensure the generator is properly grounded according to local electrical codes.
- Захист від перевантаження: Do not overload the generator. Utilize the circuit breakers to prevent damage.
- Торгові точки GFCI: The generator features GFCI outlets for protection against electric shock.
2. Продукт закінчивсяview
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.
Ключові характеристики
- Tri-Fuel Capability: 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.
- Вихідна потужність високої ємності: 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.
- Smart Digital Control: Digital display shows wattagе, випtage, frequency, runtime, fuel level, and alerts.
- 4-Way Start: Electric Start, Bluetooth App, 2-Wire Auto Start, and Recoil Backup.
- Еко-режим: Automatically adjusts engine speed to load, reducing noise and extending runtime.
- Портативний дизайн: Equipped with a robust frame, wheels, and a foldable handle for easy transport.
- Функції безпеки: Includes a built-in CO sensor and comprehensive protection against overload, over/under voltage, коротке замикання та перегрів.

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. Налаштування
Before starting the generator, proper setup is crucial for safe and efficient operation.
3.1 Розпакування та огляд
- Обережно вийміть генератор та всі аксесуари з упаковки.
- 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 Збірка колеса та ручки
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 Додайте моторну оливу
- Знайдіть кришку/масляний щуп.
- Переконайтеся, що генератор знаходиться на рівній поверхні.
- 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.
- Щільно закрутіть кришку заливної горловини оливи.
3.4 Підключення акумулятора
- Знайдіть батарейний відсік.
- Підключіть позитивний (+) кабель акумулятора (червоний) до позитивної (+) клеми, а негативний (-) кабель акумулятора (чорний) – до негативної (-) клеми. Переконайтеся, що з’єднання надійні.
3.5 Підключення палива
The GM12500iET supports three fuel types: Gasoline, Propane (LPG), and Natural Gas (NG).
- Бензин: Fill the fuel tank with fresh, unleaded gasoline. Do not use E85 or mixed fuels.
- Пропан (LPG): Connect a standard propane tank to the dedicated LPG inlet using the provided LPG hose. Ensure all connections are tight to prevent leaks.
- Природний газ (ПГ): Connect to a natural gas supply line using the provided NG hose and quick connector. Ensure connections are secure and leak-free.
Важливо: 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. Інструкція з експлуатації
Follow these steps to safely start and operate your GENMAX GM12500iET generator.
4.1 Панель керування надview
Familiarize yourself with the control panel components before operation.

Зображення: Крупний 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 генератора
The GM12500iET offers four starting methods:
- Електричний запуск:
- Переконайтеся, що генератор стоїть на рівній поверхні, а всі з'єднання надійно закріплені.
- Select the desired fuel type using the fuel source switch.
- Turn the main switch to the 'ON' position.
- Press and hold the 'START/STOP' button until the engine starts.
- 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.
- Міцно та плавно потягніть ручку стартера, доки двигун не заведеться.
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 Підключення електричних навантажень
- Once the generator is running stably, plug in your electrical devices or connect to your transfer switch.
- Не перевищуйте номінальну робочу потужність генератораtage. Monitor the digital display for wattage вихід.
- 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. Технічне обслуговування
Regular maintenance ensures the longevity and reliable performance of your GENMAX GM12500iET generator.
5.1 Моторне масло
- Перевірте рівень масла: Before each use, check the engine oil level and add if necessary.
- Заміна масла: 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 Повітряний фільтр
- Огляд: 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 Свічка запалювання
- Огляд: Inspect the spark plug every 100 hours or annually.
- 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 Паливна система
- Паливний фільтр: Inspect and clean or replace the fuel filter as recommended in the full manual.
- Зберігання палива: 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 Загальне прибирання та зберігання
- Тримайте генератор чистим і вільним від сміття.
- Store the generator in a dry, well-ventilated area, away from direct sunlight and extreme temperatures.
- If storing for an extended period, perform all necessary maintenance, including draining fuel (for gasoline) or disconnecting propane/natural gas lines.
6. Вирішення проблем
This section provides solutions to common operational issues. For more complex problems, contact GENMAX technical support.
| проблема | Можлива причина | Рішення |
|---|---|---|
| Двигун не запускається |
|
|
| Low power output / Engine stalls under load |
|
|
| Generator runs but no power output |
|
|
| CO sensor shutdown |
|
|
Video: A brief instructional video (3:36) that may cover common troubleshooting steps or specific features of the generator.
7. Технічні характеристики
Detailed technical specifications for the GENMAX GM12500iET Tri-Fuel Inverter Generator.
| Особливість | Специфікація |
|---|---|
| Назва моделі | GM12500iET |
| Бренд | GENMAX |
| Тип двигуна | 4-тактний, OHV |
| Об'єм двигуна | 458 кубічних сантиметрів |
| Тип палива | Tri Fuel (Gasoline, Propane, Natural Gas) |
| Gasoline Starting Wattage | 12500 Вт |
| Gasoline Running Wattage | 10500 Вт |
| Propane (LPG) Starting Wattage | 11500 Вт |
| Propane (LPG) Running Wattage | 9500 Вт |
| Natural Gas (NG) Starting Wattage | 10000 Вт |
| Natural Gas (NG) Running Wattage | 8500 Вт |
| Об'єм резервуара | 6.1 галони |
| Повне гармонійне спотворення (THD) | ≤3% |
| Noise Level (25% load) | Всього 62 дБ(А) |
| Розміри продукту (Д x Ш x В) | 30.9 см x 22.63 см x 29.33 см |
| Вага товару | 251.92 фунта |
| Особливості | CO Sensor, Bluetooth, 2-Wire Auto Start, Eco-Mode |
| Включені компоненти | Spark Plug Socket Wrench, Wrench, Remote Control Key, Funnel, Battery Charger, NG Quick Connector, LPG Hose, NG Hose, Automatic Start/Stop Cable |
8. Гарантія та підтримка
GENMAX is committed to providing reliable products and customer satisfaction.
8.1 Інформація про гарантію
The GENMAX GM12500iET Tri-Fuel Inverter Generator is backed by a 3-річна обмежена гарантіяЦя гарантія поширюється на дефекти матеріалів та виготовлення за умов нормального використання та обслуговування. Будь ласка, збережіть чек про покупку для пред'явлення претензій за гарантією.
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 Технічна підтримка
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.





