1. Introduction
This manual provides essential instructions for the safe installation, operation, and maintenance of your Erdoru Smart Toilet with Bidet Built-in, Model OPT09-MAX. Please read this manual thoroughly before installation and use to ensure proper function and to prevent damage or injury. Keep this manual for future reference.
2. Safety Information
Always adhere to local plumbing and electrical codes during installation. Ensure the power supply is disconnected before performing any maintenance or cleaning. Do not attempt to repair the unit yourself; contact qualified service personnel. Avoid using abrasive cleaners or harsh chemicals on the toilet surfaces.
3. Package Contents
Verify that all components are present before beginning installation:
- Erdoru Smart Toilet Unit (OPT09-MAX)
- Installation Manual
- Mounting Accessory Kit
- Remote Control
- Sealing Flange
- AAA Batteries (for remote control)
- Valve
- Wax Ring

Image: Included components for the Erdoru Smart Toilet, showing the toilet unit, remote control, batteries, valve, wax ring, sealing flange, mounting accessory kit, and user manual.
4. Specifications
| Model | OPT09-MAX |
| Product Dimensions (D x W x H) | 20.56" x 15.16" x 18.5" |
| Material | Ceramic, Polypropylene (PP) |
| Installation Type | Floor Mounted |
| Item Weight | 99.2 pounds |
| Flush Rating | 1000g MAP, 1.28 GPF (Water-saving) |
| Power Source | No batteries required for main unit operation (remote uses AAA batteries) |

Image: Diagram illustrating the product dimensions of the Erdoru Smart Toilet: 20.56 inches deep, 15.16 inches wide, and 18.5 inches high, with a 12-inch rough-in.
5. Setup and Installation
Installation should be performed by a qualified plumber or technician. Refer to the included Installation Manual and Mounting Accessory Kit for detailed, step-by-step instructions specific to your model. Ensure the floor is level and the water supply and electrical outlet are correctly positioned according to local codes.
The toilet is designed for Floor Mounted installation. Use the provided sealing flange and wax ring to ensure a watertight seal. Proper installation is crucial for optimal performance and to prevent leaks.
6. Operating Instructions
6.1. Power and Basic Functions
Once installed and connected to power, the smart toilet will enter standby mode. The unit features a manual side knob for flushing during power outages, ensuring continued functionality.
6.2. Automatic Lid Opening/Closing and Flushing
The toilet is equipped with smart sensing technology:
- Auto Open/Close: The lid automatically opens when you approach and closes when you leave.
- Auto Flush: The toilet can be set to automatically flush after use.
- Foot Sensor Control: A foot sensor allows for hands-free lid opening/closing and flushing.
- Side Button Flush: A button on the side of the unit provides manual flush control.
- Remote Operation: Use the remote control for various functions, including flushing.

Image: Illustration of the automatic lid opening/closing and various flushing options, including auto-flush on approach/leave, foot sensor, side button, and remote control.

Image: Visual guide demonstrating the automatic lid opening for male urination use and the auto-open, foot sensor, and off-seat auto-flush functions for sit-down use.
6.3. Flushing System
The toilet features an Eco-Powerful Flush system with a 1000g MAP rating and 1.28 GPF water-saving capability. It delivers a strong, quiet 360° swirling flush for effective cleaning. A backup battery ensures flushing is possible during power outages.

Image: Diagram illustrating the powerful and water-saving flush system, including siphon wall dirt removal, 360° inner-wall flush, powerful jet flush, and foam shield, indicating it is not limited by water pressure.

Image: Visual representation of the powerful and efficient flushing system, highlighting remote flushing, blackout flushing, foot sensor flushing, and off-seat flushing options.
6.4. Bidet Functions (Multi-Functional Cleaning)
The integrated bidet offers multiple cleaning modes for personalized hygiene:
- Feminine Care: Gentle wash for front areas.
- Buttocks Cleaning: Thorough rear wash.
- Massage Cleaning: Pulsating water stream for a soothing effect.
- Self-Cleaning Nozzle: The nozzle cleans itself before and after each use.
- Warm Air Drying: Adjustable warm air dryer for comfort and reduced paper usage.
Water temperature is instantly warmed and adjustable to your preference (Normal, 94°F, 99°F, 104°F).

Image: Depiction of multiple cleaning modes including front washing, near washing, movement washing, N/C massage, and soft washing (water and air mixed), alongside a self-cleaning nozzle and adjustable water temperatures.

Image: Illustration of the 2-second instant warm water feature, showing adjustable water temperatures (Normal, 94°F, 99°F, 104°F) and water pressure levels.

Image: Visual of the warm air dryer function, indicating adjustable temperature settings (Normal, 93°F, 99°F, 104°F) for quick-drying comfort.
6.5. Heated Seat
The seat offers three adjustable warmth levels for comfort, especially in colder conditions. Temperatures can be set to approximately 35°C/93°F, 45°C/101°F, or 55°C/110°F.

Image: Diagram showing the heated seat feature with adjustable temperature settings: 35°C/93°F, 45°C/101°F, and 55°C/110°F.

Image: Visual of the heated seat with multi-level temperature adjustment, suitable for use in all seasons, showing temperature ranges from Normal to 104°F.
6.6. Foam Shield and Aroma Diffuser
The integrated foam shield creates a barrier to prevent odors and maintain cleanliness. An aroma diffuser releases a pleasant fragrance to neutralize unpleasant smells.

Image: Diagram illustrating the foam shield and water filter system, showing how the foam is dispensed and the location of the filter and aroma diffuser.
6.7. Night Light and Adjustable LED Strip
A soft built-in night light provides illumination for safety in the dark. The toilet also features a 256-color adjustable LED strip, allowing for personalized ambiance.

Image: The Erdoru Smart Toilet illuminated by its adjustable night light and multi-color LED strip, showcasing its modern design in a bathroom setting.
6.8. Remote Control
The included remote control allows for effortless adjustment of various settings, including water temperature, water pressure, seat heating, and cleaning modes. Insert AAA batteries as indicated in the remote control compartment.

Image: Close-up of the remote control displaying various icons for functions such as front/rear wash, dry, full flush, half flush, ambient light, foam, nozzle position, water pressure, seat temp, water temp, dryer temp, ECO mode, night light, self-cleaning, seat, and lid control.

Image: A detailed view of the remote control, emphasizing its role in providing effortless control and unmatched comfort by allowing easy adjustment of water temperature, pressure, and seat heating.
7. Maintenance
Regular cleaning and maintenance ensure the longevity and hygienic operation of your smart toilet.
- General Cleaning: Use a soft cloth and mild, non-abrasive cleaner to wipe down the exterior surfaces. Avoid harsh chemicals.
- Nozzle Cleaning: The bidet nozzle performs a self-cleaning cycle automatically. For additional cleaning, refer to the detailed instructions in the main installation manual.
- Foam Shield/Aroma Diffuser: Check the foam shield and aroma diffuser reservoirs periodically and refill as needed with compatible products.
- Filter Maintenance: The system includes a water filter. Consult the installation manual for instructions on checking and replacing the filter to maintain optimal water quality for bidet functions.
8. Troubleshooting
If you encounter issues, refer to the following basic troubleshooting steps. For complex problems, contact customer support.
- No Power: Check the electrical connection and circuit breaker. Ensure the manual side knob is not engaged if power is expected.
- No Flush: Verify power supply. If there's a power outage, use the manual side knob. Check for any obstructions in the bowl.
- Bidet Not Functioning: Ensure water supply is open. Check remote control batteries. Verify settings on the remote.
- Lid Not Opening/Closing Automatically: Ensure the sensor is clean and unobstructed. Check for any objects interfering with lid movement.
9. Warranty and Support
For warranty information, please refer to the documentation included with your purchase or visit the official Erdoru website. For technical support, replacement parts, or further assistance, please contact Erdoru customer service through their official channels.
Erdoru Official Website: Visit the Erdoru Store on Amazon





