The SUNMAX RT-120 is a floor cleaning equipment designed for indoor surfaces and floors of industrial, commercial, and public buildings. It is not suitable for outdoor use, rain, underwater operation, or absorbing dangerous dust. The machine operates through the high-speed rotation of a rotary brush and a detergent solution, effectively cleaning various floor types and collecting dirt after cleaning.
Function Description:
The RT-120 is a hand washing machine that cleans and dries floors simultaneously. It is equipped with a rotary brush and a detergent solution system for effective decontamination. The machine is designed to collect all dirt produced during cleaning, eliminating concerns about detergent solution damage. It features an upper control panel with a driving button, liquid crystal display for batteries, start button, dust absorption, water quantity adjustment (plus/minus), forward/backward movement, brush downloading/unloading, electric lock, speed regulating knob, and ECO mode. The lower control panel includes an emergency button, charging plug, and handle rod for the suction scraper.
Important Technical Specifications:
- Brush Tray Motor: 2x(24/500) V/W
- Push Rod Lifting Motor: 1x(24/15) V/W
- Driving Motor: 1x(24/500) V/W
- Vacuum Cleaner Motor: 1x(24/1000) V/W
- Rotation Speed of Brush Tray: 170 RPM
- Outside Diameter of Brush Tray: 2x17 inches
- Pressure of Brush Tray: 110 LBS
- Width of Suction Scraper: 38.8 inches
- Work Efficiency: 75000 SQ.ft
- Maximum Forward Speed: 5.5 Km/h
- Maximum Inclination at Full Load: 10%
- Solution Tank Capacity: 31.7 gal
- Recycling Bin Capacity: 33 gal
- Rated Voltage of Batteries: 12/120 V/Ah
- Charging Time (Lithium Batteries): 3-4 h
- Charging Time (Lead-acid Batteries): 8-10 h
- Battery Lifetime: 3.5-4 h
- Net Battery Weight (Maximum): 176 LBS
- Net Machine Weight (Excluding Batteries): 379 LBS
- Net Machine Weight (Including Machine and Batteries): 556 LBS
- Total Weight (Including Machine, Batteries, and Packing Box): 666 LBS
- Overall Dimensions (Length x Width x Height): 59.1x38.8x44.5 inches
- Dimensions of Packing Box (Length x Width x Height): 61.8x36.0x50.6 inches
Usage Features:
The RT-120 is designed for ease of use with several operational features:
- Preparation: Before use, ensure the sewage tank is empty, the brush head and suction scraper are in the lifting position, the key switch is "OFF," and the battery connector is connected.
- Starting: Turn the key switch to "ON," set the speed regulating knob to the lowest, open the clean water tank valves, then press the start button (3) and dust suction button (4). Hold the driving buttons (1) to move forward.
- Speed Control: The speed regulating knob (10) adjusts the machine's speed. ECO mode (11) can be used to save electricity.
- Reverse Movement: Lift the suction scraper and press the reverse button (6) for backward operation.
- Emergency Stop: An emergency button switch (13) is available to cut off power in case of problems.
- Suction Scraper Adjustment: The suction scraper's angle and height can be adjusted using star handles (A and B) to ensure uniform drying and compensate for rubber wear.
- Brush Tray Management: The brush tray can be automatically removed or installed by pressing the brush unloading button (8) or brush button (12) on the control panel.
- Water Injection: The clean water tank (A) has a maximum capacity of 120 liters, with a maximum water temperature of 50°C. Detergent should be added according to manufacturer instructions, using low-foam varieties to prevent excessive foam.
- Water Flow Setting: Water flow can be adjusted using the water quantity plus (5) and water quantity minus (7) buttons.
- Battery Type: The machine requires maintenance-free, sealed batteries with gel technology. The battery type (lead-acid or lithium) is displayed on the boot interface and can be modified.
- Charger Use: Connect the charger output to the machine's charging socket (14) first, then connect the charger input plug to the power supply. Use only the charger designed for this machine.
Maintenance Features:
Regular maintenance is crucial for optimal performance and longevity:
- Daily Maintenance:
- Clean the sewage tank and check for impurities in the float device.
- Inspect the sewage suction pipe and suction scraper for foreign objects.
- Check the brush tray for impurities.
- Weekly Maintenance:
- Check the inside of the sewage tank for impurities.
- Inspect and clean the filter screen in the water pipes of the clean water tank.
- Special Maintenance:
- Suction Scraper Replacement: If the suction scraper is worn, it must be replaced. This involves removing the sewage suction pipe (A), loosening star handles (B), and moving the scraper (C) outward. The front and rear rubber scrapers can also be replaced by removing specific nuts, pads, and pressing strips.
- Brush Tray Replacement: If bristles are shorter than 15mm, the brush tray needs replacement. This is done by pressing the brush unloading button (8) or brush button (12).
- Battery Maintenance:
- Refer to the battery supplier's instructions for charging and storage. New batteries should be fully charged before first use and can be deeply charged and discharged five times.
- Use a professional charger suitable for the battery model and capacity.
- Discarded batteries must be handled by specialized personnel using appropriate load tools due to their hazardous nature.
- Spray protective lubricant on battery terminals and use cord terminal protective sleeves.
- Filter Cleaning: Regularly clean the dirt in the filter (E) under the clean water tank, ideally once a week.
- General Precautions:
- Always turn off the machine and disconnect the power cable during maintenance.
- Do not spray water or use high-pressure water guns directly on the machine.
- Avoid using corrosive liquids for cleaning.
- Ensure the machine is maintained by professionals annually.
- Dispose of waste (oil, batteries, electronic components) according to local laws and regulations.
- Wear protective gloves when handling sharp edges, metal objects, or acidic/alkaline detergents.
- Ensure proper ventilation when charging batteries to prevent gas release.
- Keep away from open flames during charging.
Fault Handling:
The machine provides fault codes (E[01] to E[AA]) with corresponding LED flashing patterns to indicate specific issues, such as pre-charge faults, over/undervoltage, NTC faults, motor control temperature issues, MOS voltage faults, open/short circuits, and overload faults. The LED indicator status also helps identify issues like low battery, charging status, overvoltage, overheating, and input AC anomaly. Solutions typically involve checking connections, battery charge, filters, or replacing worn parts. If issues persist, factory repair may be necessary.
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