1. Introduction
This manual provides essential information for the installation, operation, and maintenance of your TOTO WASHLET+ Aquia IV One-Piece Elongated Dual Flush Toilet with Auto Flush S7 Bidet Seat. Please read these instructions thoroughly before beginning installation or use to ensure proper function and longevity of the product. Keep this manual for future reference.
Figure 1: TOTO WASHLET+ Aquia IV One-Piece Elongated Dual Flush Toilet with Auto Flush S7 Bidet Seat.
2. Key Features
The TOTO WASHLET+ Aquia IV system integrates advanced technologies for enhanced hygiene and comfort:
- WASHLET+ Bidet Seat: Seamlessly designed to conceal the WASHLET power cord and water supply hose for a clean aesthetic.
- Auto Flush: Provides hands-free automatic flushing after each use, eliminating the need to touch buttons or handles.
- EWATER+: Technologically advanced system that mists the wand and toilet bowl with electrolyzed water, reducing the need for harsh cleaning chemicals.
- PREMIST: Wets the surface of the toilet bowl before use, aiding in the removal of waste and promoting a cleaner bowl.
- DYNAMAX TORNADO FLUSH: Utilizes 360-degree cleaning power to reach every part of the bowl, ensuring efficient and quiet flushing.
- CEFIONTECT: A ceramic glaze that minimizes waste from sticking to ceramic surfaces, contributing to easier cleaning.
- Dual Flush System: Offers a choice between a 0.9 GPF (gallons per flush) rinse for lighter use and a 1.28 GPF for tougher jobs, promoting water conservation.
- Heated Seat: Provides comfort during use.
- 5 Spray Settings: Customizable cleansing options.
- Instantaneous Water Heating: Ensures continuous warm water for cleansing.
- Universal Height: Designed for a comfortable seating position for a wide range of users.
- Skirted Design: Conceals the trapway, enhancing the toilet's aesthetic and simplifying cleaning.
3. Setup and Installation
Installation of this toilet and bidet seat system requires plumbing and electrical knowledge. It is highly recommended to consult a qualified professional for installation to ensure proper function and compliance with local codes.
3.1 Pre-Installation Checklist
- Ensure the toilet is compatible with a 12-inch rough-in. Adapters for 10-inch or 14-inch rough-ins are sold separately.
- Verify all necessary components are present: toilet, electronic bidet toilet seat.
- Acquire additional items not included: wax ring, toilet mounting bolts, and toilet water supply lines.
- Confirm availability of a grounded electrical outlet near the toilet for the WASHLET+ bidet seat.
3.2 General Installation Steps (Summary)
- Prepare the Area: Turn off water supply and remove the old toilet if applicable. Clean the flange area.
- Install Mounting Bolts: Secure the toilet mounting bolts to the floor flange.
- Place Wax Ring: Position a new wax ring around the toilet horn.
- Set the Toilet: Carefully lower the toilet onto the mounting bolts and wax ring. Press down firmly and evenly.
- Secure the Toilet: Tighten the nuts onto the mounting bolts, alternating sides to ensure even pressure. Do not overtighten.
- Connect Water Supply: Attach the water supply line to the toilet's fill valve.
- Install WASHLET+ Bidet Seat: Follow the specific instructions provided with the WASHLET+ S7 for mounting and connecting the power cord and water supply hose, which are designed to be concealed.
- Connect Auto Flush Kit: Install the auto flush kit according to its separate instructions.
- Test for Leaks: Turn on the water supply and check for any leaks. Flush the toilet several times.
For detailed, step-by-step installation instructions, refer to the comprehensive installation guide included with your product packaging.
4. Operating Instructions
The WASHLET+ S7 Bidet Seat is operated by an illuminated touch button remote control. Familiarize yourself with the remote's layout and functions.
4.1 Basic Operation
- Power On/Off: Use the designated button on the remote to power the WASHLET+ on or off.
- Heated Seat: Adjust the seat temperature using the controls on the remote.
- Cleansing Functions:
- Select desired spray setting (e.g., Rear, Front, Soft).
- Adjust water pressure and temperature to your preference.
- Use the oscillation or pulsation functions for enhanced cleansing.
- Drying Function: After cleansing, activate the warm air dryer and adjust temperature as needed.
- Auto Flush: The system is designed to automatically flush after use. If manual flush is desired, use the chrome center-mounted push button on the tank.
- Press for 0.9 GPF (light flush).
- Press and hold for 1.28 GPF (full flush).
4.2 User Memory
The remote control features 4-user memory storage. This allows individual users to save their preferred settings for spray position, water pressure, and temperature for quick recall.
Video 1: An official TOTO USA video demonstrating the features and design of the TOTO Aquia Toilet. This video highlights the contemporary design, CEFIONTECT ceramic glaze, DYNAMAX TORNADO FLUSH, and water spot features.
5. Maintenance and Cleaning
Regular cleaning and maintenance will ensure optimal performance and hygiene of your TOTO WASHLET+ Aquia IV system.
5.1 Toilet Bowl Cleaning
- CEFIONTECT Glaze: The ceramic glaze minimizes waste adhesion. Clean with a soft brush or cloth and mild, non-abrasive cleaners. Avoid harsh chemicals or abrasive pads that can damage the glaze.
- DYNAMAX TORNADO FLUSH: The powerful flush helps keep the bowl clean with each use.
- PREMIST: This feature automatically mists the bowl with water before use, further preventing waste from sticking.
5.2 WASHLET+ Bidet Seat Cleaning
- EWATER+: The wand and toilet bowl are automatically misted with EWATER+ (electrolyzed water) to help keep them clean.
- Wand Cleaning: The wand self-cleans before and after each use. For manual cleaning, refer to the WASHLET+ S7 specific manual for instructions on extending the wand. Use a soft cloth and mild soap.
- Exterior Cleaning: Wipe the exterior surfaces of the bidet seat with a soft, damp cloth and a mild, non-abrasive cleaner. Do not use strong chemical cleaners, as they may damage the plastic.
- Filter Cleaning: Periodically check and clean the water filter for the bidet seat as per the WASHLET+ S7 manual to maintain optimal water flow.
Figure 2: Internal components of a TOTO toilet, illustrating the integration of craftsmanship and advanced technologies for efficient cleaning and water usage.
6. Troubleshooting
If you encounter issues with your TOTO WASHLET+ Aquia IV system, refer to the following common troubleshooting tips. For more complex problems, consult a qualified technician or the full product manual.
| Problem | Possible Cause | Solution |
|---|---|---|
| Toilet not flushing or weak flush. | Water supply turned off; clogged trapway; low water level in tank. | Ensure water supply valve is fully open. Check for obstructions in the trapway. Adjust water level in the tank if necessary. |
| WASHLET+ bidet seat not operating. | No power; remote control battery low; seat sensor not activated. | Check power connection and outlet. Replace remote batteries. Ensure proper contact with the seat sensor. |
| Water spray is weak or inconsistent. | Water filter clogged; wand nozzle obstructed. | Clean the water filter. Clean the wand nozzle. |
| Toilet is leaking. | Loose connections; faulty wax ring; cracked tank or bowl. | Tighten connections. Replace wax ring if necessary. Inspect for cracks and contact support if found. |
7. Specifications
| Attribute | Detail |
|---|---|
| Model Number | MW6464726CEMFGNA#01 |
| Brand | TOTO |
| Color | Cotton White |
| Product Dimensions (D x W x H) | 28.25" x 15.19" x 28.38" |
| Material | Ceramic, Plastic |
| Item Weight | 118 Pounds |
| Installation Type | Floor Mounted |
| Shape | Elongated (Oval) |
| Flush Type | Dual Flush (1.28 GPF / 0.9 GPF) |
| Rough-in | 12" (adaptable to 10" or 14" with separate adapter) |
| Included Components | Toilet, Electronic Bidet Toilet Seat |
| UPC | 739268445734 |
8. Warranty and Support
For information regarding product warranty, please refer to the warranty card included with your purchase or visit the official TOTO website. For technical support, replacement parts, or service inquiries, please contact TOTO customer service directly. Contact details can typically be found on the TOTO website or in your product documentation.