1. Introduction
This manual provides detailed instructions for the installation, operation, and maintenance of your Eridanus ERI-ST210-E Smart Toilet. Please read this manual thoroughly before use to ensure proper function and safety. Keep this manual for future reference.
2. Safety Information
Observe all safety warnings and precautions to prevent injury or damage to the product.
- Electrical Safety: Ensure the toilet is connected to a properly grounded electrical outlet. Do not use extension cords. Disconnect power before servicing.
- Water Supply: Ensure water supply is turned off during installation and maintenance. Check for leaks after installation.
- Cleaning: Use only mild, non-abrasive cleaners. Avoid harsh chemicals that may damage surfaces or internal components.
- Temperature: The heated seat and water temperatures can be adjusted. Exercise caution to prevent burns, especially for children, elderly, or individuals with sensitive skin.
- Weight Limit: Do not stand on the toilet lid or seat. The product is designed for sitting use only.
3. Package Contents
Verify that all components are present before beginning installation.

This image displays the components included with the Eridanus Smart Toilet ERI-ST210-E. It shows the toilet unit, a wax ring, an angle valve, a remote control, flange and mounting bolts, a foam mixing empty bottle, a user manual, and a footprint template.
- Eridanus Smart Toilet (ERI-ST210-E)
- Remote Control
- Wax Ring
- Angle Valve
- Flange & Mounting Bolts
- Foam Mixing Empty Bottle
- User Manual
- Footprint Template
4. Product Features
The Eridanus ERI-ST210-E Smart Toilet offers a range of advanced features for enhanced comfort and hygiene.
- Custom Wash Modes: Rear wash, bidet wash, and oscillating spray for personalized cleaning.
- Self-Cleaning Adjustable Nozzle: Stainless steel wand with automatic self-cleaning and adjustable spray angle.
- Instant Heating & Full Comfort Control: On-demand warm water, air drying, and adjustable settings for water pressure, water temperature, air temperature, and seat warmth.
- Automatic Lid & Seat Operation: Auto open/close lid, foot-sensor open seat, and off-seat auto flush for hands-free use.
- Built-In Cleaning & Freshening: Pre-wetting function, foam cleaning dispenser, and air freshener.
- Modern Interface & Lighting: Sleek screen display, side control knob, ambient lighting, and soft night light.
- Powerful Automatic Flush: 360° inner-wall flushing with strong siphon and jet push dirt features.
- Soft Close Lid and Seat: Ensures quiet and gentle closing.
- Ergonomic Comfort Height: ADA compliant design for comfortable use.

An overview of the Eridanus Smart Toilet ERI-ST210-E, showcasing its modern design and the wall-mounted remote control.

Detail of the arc-shape spray wand, illustrating four water temperature options (Room Temp, 93°F, 96°F, 99°F) and four pressure levels (Low, Medium, Strong, Ultra Strong). It also shows Bidet Wash, Rear Wash, Oscillating Mode, and Self Cleaning Wand functions.

This image highlights the streamlined control knob on the toilet and the comprehensive smart remote, providing quick access to functions like Air Drying, Flushing Session, Oscillating Wash, Rear Wash, and Bidet Wash.

Demonstration of the Foot Sensing Mode and Auto Sensing Mode, showing how the lid automatically opens and closes, and how the foot sensor can open the seat and trigger flushing.

An illustration of the instant heating technology, providing warm water quickly and maintaining a stable temperature, with a graph showing rapid temperature rise.

Comparison showing the integrated built-in foam liquid dispenser of the Eridanus toilet versus an external cleaning foam dispenser, highlighting the compact and aesthetic design.

Visual explanation of the foam feature's benefits, including splash prevention, odor isolation, and anti-sticking properties for a cleaner bowl.

Diagram illustrating the powerful automatic flush system, featuring 360° inner-wall flushing, strong siphon action, and jet push dirt technology for efficient cleaning.

Top-down view of the toilet showing the night light illuminating the bowl and the digital display indicating settings.

Image demonstrating the soft close mechanism of the lid and seat, preventing slamming and ensuring quiet operation.

Comparison illustrating the ergonomic comfort height (17 inches) of the Eridanus toilet, which is ADA compliant, compared to a standard 15-inch toilet.

Close-up view of the toilet bowl demonstrating the pre-wet function, which automatically moistens the bowl to prevent waste from sticking.
5. Setup
Professional installation is recommended for this product. Ensure all local plumbing and electrical codes are followed.
5.1 Pre-Installation Checklist
- Confirm availability of a grounded electrical outlet (120V AC, 60Hz) within reach of the toilet's power cord.
- Ensure a cold water supply line with a shut-off valve is available.
- Verify floor flange and drain pipe are correctly installed and accessible.
- Clear the installation area of any obstructions.
5.2 Installation Steps (Summary)
- Prepare the Area: Remove the old toilet if applicable. Clean the floor flange area.
- Install Wax Ring: Place the wax ring onto the floor flange.
- Position Toilet: Carefully align the toilet over the floor bolts and lower it onto the wax ring. Press down firmly to create a seal.
- Secure Toilet: Install washers and nuts onto the floor bolts and tighten them evenly until the toilet is secure. Do not overtighten.
- Connect Water Supply: Connect the angle valve to the water supply line and then to the toilet's water inlet. Hand-tighten, then use a wrench for a quarter turn.
- Connect Power: Plug the toilet's power cord into the grounded electrical outlet.
- Test Functions: Turn on the water supply and check for leaks. Test all toilet functions as described in the operating instructions.
6. Operating Instructions
Your Eridanus Smart Toilet can be operated using the side control knob, the remote control, or automatic sensors.
6.1 Automatic Functions
- Auto Open/Close Lid: The lid automatically opens when you approach and closes after a set period of inactivity (e.g., 2 minutes after use).
- Foot Sensor Open Seat: A foot sensor allows for hands-free opening of the toilet seat.
- Off-Seat Auto Flush: The toilet automatically flushes when you stand up and move away from the unit. This can be enabled/disabled via the remote control.
- Pre-Wet Function: The bowl is automatically moistened when you sit down to help prevent waste from sticking.
6.2 Remote Control Operation
The remote control provides full access to all features. Refer to the remote control diagram for button functions.

This image displays the remote control, highlighting the multiple flush choices available: Flush by Side Knob, Off-Seat Auto Flush, Foot Sensing Flush, and Flush by Remote Control.

A detailed view of the smart remote control, showing icons for various functions such as Stop, Rear Wash, Bidet Wash, Dryer, Foam Shield, Water Temp, Seat Temp, Wind Temp, Light, Flush, Gentle Cleaning, Self-Clean, Open Seat, Open Cover, Pressure adjustment, and Nozzle position adjustment.
- Wash Functions: Press 'Rear Wash' for posterior cleaning, 'Bidet Wash' for feminine cleaning, or 'Oscillating Wash' for a wider spray.
- Adjustments: Use the 'Water Temp', 'Seat Temp', 'Wind Temp' buttons to cycle through temperature settings. Use 'Pressure +/-' to adjust water pressure.
- Nozzle Position: Use 'Forward/Backward' buttons to adjust the nozzle position for optimal comfort.
- Drying: Press 'Dryer' to activate the warm air dryer.
- Foam Shield: Press 'Foam Shield' to activate the foam layer in the bowl.
- Flush: Press 'Flush' for manual flushing.
- Lid/Seat Control: Use 'Open Seat' or 'Open Cover' to manually control the lid and seat.
- Night Light: Press 'Light' to toggle the night light.
6.3 Side Control Knob
The side control knob offers quick access to primary functions.
- Rotate the knob to select functions like Air Drying, Flushing, Oscillating Wash, Rear Wash, or Bidet Wash.
- Press the center button to activate the selected function.
6.4 Foam Dispenser Usage
To use the foam shield feature:
- Open the lid of the cleaning agent inlet located on the top of the toilet.
- Pour foam liquid (not included) into the inlet.
- Activate the foam shield function using the remote control.
This video demonstrates various features of the Eridanus Smart Bidet Toilet, including automatic lid opening, foot sensor seat opening, instant heated seat, air freshening, pre-wet function, foam shield activation, off-seat auto flush, self-cleaning wand, various wash modes (oscillating, rear, bidet), adjustable nozzle position, warm air drying, and smart night light. It highlights the convenience and hygiene features of the toilet.
7. Maintenance
Regular cleaning and maintenance ensure the longevity and hygienic operation of your smart toilet.
7.1 Cleaning the Nozzle
- The stainless steel nozzle performs an automatic self-cleaning cycle before and after each use.
- For manual cleaning, refer to the remote control for a 'Self-Clean' button or a specific nozzle cleaning mode.
- Use a soft cloth and mild soap to wipe the exterior of the nozzle if necessary. Do not use abrasive materials.
7.2 General Cleaning
- Wipe the exterior surfaces of the toilet with a soft, damp cloth and a mild, non-abrasive cleaner.
- Clean the toilet bowl with a toilet brush and a non-abrasive toilet bowl cleaner.
- Avoid spraying water directly onto the control panel or electrical components.
- Do not use benzene, paint thinner, or other volatile chemicals for cleaning.
8. Troubleshooting
If you encounter issues with your Eridanus Smart Toilet, refer to the following common solutions. For persistent problems, contact customer support.
| Problem | Possible Cause | Solution |
|---|---|---|
| No power/display off | Power cord unplugged, circuit breaker tripped, power outage. | Check power connection, reset circuit breaker, verify power supply. |
| No water spray/weak spray | Water supply valve closed, nozzle clogged, water pressure too low. | Open water supply valve, clean nozzle, check household water pressure. |
| Heated seat not warm | Heated seat function off, temperature setting too low. | Activate heated seat function via remote, increase temperature setting. |
| Lid/seat not opening/closing automatically | Sensor obstructed, automatic function disabled. | Clear sensor area, enable automatic functions via remote. |
| Toilet not flushing | Power issue, auto-flush disabled, manual flush not activated. | Check power, ensure auto-flush is enabled, use remote or side knob for manual flush. |
9. Specifications
Key technical specifications for the Eridanus ERI-ST210-E Smart Toilet.
| Feature | Detail |
|---|---|
| Model Number | ERI-ST210-E |
| Color | White |
| Material | Ceramic (Toilet), Polypropylene (PP) (Seat) |
| Installation Type | Floor Mounted |
| Item Weight | 103.6 pounds |
| Package Dimensions | 32.29 x 25.2 x 21.26 inches |
| Power Source | Corded Electric (Batteries Not Required for main operation) |
| Special Features | Bidet, Auto Open/Close Lid, Cleaning Foam Dispenser, Warm Water Sprayer, Air Dryer, Foot Sensor Flush, Elongated Heated Seat, ADA Height, Night Light, Digital Display |

This table provides a comparison of features between the ERI-ST210-S (Standard version) and ERI-ST210-E (High version) smart toilets, indicating which features are included in each model.
10. Warranty and Support
Eridanus is committed to providing quality products and customer satisfaction.
- Warranty: We offer one year of limited after-sales support. This includes spare parts availability and technical assistance.
- Customer Service: Our customer service team is available 24/7 to assist with any inquiries or issues you may have.
- Returns: Please refer to your purchase agreement or retailer's policy for return information.
For assistance, please contact Eridanus customer support through the contact information provided at the point of purchase or on the official Eridanus website.





