Introduction
This manual provides essential information for the safe and effective use of your TOTO C5 WASHLET+ Electronic Bidet Toilet Seat. Please read these instructions thoroughly before installation and operation, and retain them for future reference. The TOTO C5 WASHLET+ is designed to integrate seamlessly with TOTO T40 WASHLET+ Ready toilets, offering advanced cleansing features and enhanced hygiene.
Safety Information
Always follow basic safety precautions when using electrical products, especially in a bathroom environment. Ensure the product is properly grounded and connected to a suitable power outlet. Do not immerse the unit in water. Disconnect power before performing any maintenance or cleaning. This product is intended for household use only.
Product Overview and Features
The TOTO C5 WASHLET+ offers a range of features designed for comfort and cleanliness:
- WASHLET+ Integration: Designed for seamless installation with TOTO T40 WASHLET+ Ready toilets, concealing the power cord and water supply hose.
- PREMIST: Wets the toilet bowl surface before each use, aiding in waste removal and promoting a cleaner bowl.
- EWATER+ Wand Cleaning: The wand self-cleans inside and out with electrolyzed water, ensuring hygiene before and after every use.
- Adjustable Warm Water Washing: Features front and rear cleansing with five adjustable temperature and pressure settings.
- Oscillating and Pulsating Stream Options: Provides varied cleansing experiences.
- Heated SoftClose Seat: Offers five temperature settings for comfort, with a gentle closing mechanism to prevent slamming.
- Warm Air Dryer: Five settings for comfortable drying after cleansing.
- Automatic Air Deodorizer: Helps neutralize odors.
- Wireless Remote Control: Intuitive control of all functions, including two user memory settings.

Image: Overview of TOTO C5 WASHLET+ features, including PREMIST, remote control, self-cleaning wand, heated seat, warm-air dryer, adjustable water settings, and SoftClose seat and lid.
Setup and Installation
The TOTO C5 WASHLET+ is designed for installation on TOTO T40 WASHLET+ Ready toilets. This ensures a clean aesthetic by concealing the power cord and water supply hose. For detailed installation steps, refer to the separate installation guide provided with your product. Ensure a grounded electrical outlet is available near the toilet for power connection.

Image: Diagram illustrating the concealed supply connection of WASHLET+ models compared to conventional WASHLET installations, highlighting the seamless integration.
Operating Instructions
All functions of the TOTO C5 WASHLET+ are controlled via the included wireless remote. Familiarize yourself with the remote's layout and functions:

Image: The wireless remote control for the TOTO C5 WASHLET+, showing buttons for various functions such as rear/soft rear wash, front wash, dryer, oscillating, pulsating, wand cleaning, pressure adjustment, position adjustment, and user presets.
- Power: Press the power button (usually at the top) to turn the unit on or off.
- Rear/Soft Rear Wash: Initiates a warm water spray for posterior cleansing. Press again to toggle between standard and soft spray.
- Front Wash: Initiates a warm water spray for feminine cleansing.
- Oscillating: Activates a back-and-forth movement of the wand during cleansing for a wider cleaning area.
- Pulsating: Provides a rhythmic, massaging spray during cleansing.
- Water Pressure: Use the '+' and '-' buttons to adjust the intensity of the water spray.
- Wand Position: Use the arrow buttons to adjust the forward or backward position of the cleansing wand.
- Warm Air Dryer: Activates the warm air dryer. Use the temperature controls to adjust the air temperature.
- Heated Seat: Adjust the seat temperature using the dedicated controls.
- User Presets (1 & 2): Save your preferred settings for water temperature, pressure, and wand position for quick recall.
- Stop: Press to stop any active cleansing or drying function.
Maintenance
Regular maintenance ensures optimal performance and hygiene of your WASHLET+.
- Wand Cleaning: The EWATER+ system automatically cleans the wand before and after each use. Periodically, you may manually clean the wand with a soft cloth and mild, non-abrasive cleaner if needed.
- Nozzle Cleaning: The nozzle extends for cleaning. Use a soft brush or cloth to gently clean the nozzle tip.
- Seat and Lid Cleaning: Wipe the seat and lid with a soft cloth and a mild, non-abrasive bathroom cleaner. Avoid harsh chemicals that may damage the surface.
- Filter Cleaning: Refer to the detailed installation guide for instructions on cleaning or replacing the water filter, if applicable.
- Descaling: If you live in an area with hard water, periodic descaling may be necessary. Consult the full manual for descaling procedures.


Images: Left: PREMIST feature spraying water into the toilet bowl. Right: EWATER+ cleaning the bidet wand.
Troubleshooting
If you encounter issues with your TOTO C5 WASHLET+, refer to the following common troubleshooting tips:
- No Power: Check if the power cord is securely plugged into a grounded outlet. Verify the outlet is functional.
- No Water Spray: Ensure the water supply valve is fully open. Check if the water filter is clogged.
- Weak Spray: Adjust the water pressure setting on the remote control. Check for any obstructions in the nozzle.
- Heated Seat Not Working: Verify the heated seat function is enabled and the temperature setting is adjusted on the remote.
- Remote Not Responding: Replace the batteries in the remote control. Ensure there are no obstructions between the remote and the WASHLET+ unit.
For persistent issues or problems not listed here, please contact TOTO customer support or a qualified technician.
Specifications
| Model Number | SW3084T40 |
| Color | Cotton White |
| Brand | TOTO |
| Material | Plastic |
| Style | Modern |
| Shape | Elongated (Oval) |
| Product Dimensions (L x W) | 20.88"L x 15.06"W |
| Item Weight | 1 Pounds |
| UPC | 739268391857 |
| Operation Mode | Manual (via remote) |
| Included Components | Product Only (Bidet Seat and Remote) |
Warranty Information
This TOTO C5 WASHLET+ Electronic Bidet Toilet Seat is covered by a manufacturer's one-year limited warranty. For specific terms, conditions, and to register your product, please refer to the warranty card included with your purchase or visit the official TOTO website.
Customer Support
For further assistance, technical support, or to inquire about replacement parts, please contact TOTO customer service. Contact information can typically be found on the TOTO website or in your product packaging.