Introduction
This manual provides detailed instructions for the installation, operation, and maintenance of your TOTO NEOREST AS Dual Flush Toilet with Integrated Bidet Seat. Designed for advanced hygiene and comfort, this unit incorporates TOTO's innovative technologies to enhance your bathroom experience. Please read this manual thoroughly before installation and use to ensure proper function and longevity of the product.
Figure 1: Front view of the TOTO NEOREST AS Dual Flush Toilet.
Setup and Installation
Professional installation is highly recommended for this product due to its integrated electronic components and plumbing requirements. Ensure all local plumbing and electrical codes are met.
Pre-Installation Checklist:
- Verify all components are present as per the packing list.
- Ensure a dedicated GFCI-protected electrical outlet (120V AC, 60Hz) is available near the installation site.
- Confirm water supply line (cold water only) is accessible and has appropriate shut-off valve.
- Prepare the floor for mounting, ensuring it is level and structurally sound.
Key Dimensions:
Figure 2: Detailed dimensions for installation planning.
Refer to the included installation guide for step-by-step instructions on plumbing, electrical connections, and securing the unit to the floor.
Operating Instructions
The TOTO NEOREST AS offers a range of automated and customizable features for optimal hygiene and comfort. All functions are controlled via the wall-mounted remote panel.
Figure 3: Wall-mounted remote control panel for the TOTO NEOREST AS.
Automatic Functions:
- Auto Open/Close Lid: The lid automatically opens upon approach and closes after use.
- Auto Flush: The toilet automatically flushes after use.
- PREMIST: Before each use, the toilet bowl is misted with water to help prevent waste from adhering to the ceramic surface.
Figure 4: PREMIST function wetting the bowl surface.
Bidet Functions:
Utilize the remote control to select and customize your cleansing experience:
- Cleansing Modes: Choose from Rear Cleanse, Soft Rear Cleanse, Front Cleanse, Oscillating, and Pulsating spray options.
- Water Pressure & Temperature: Adjust to your preferred intensity and warmth.
- Nozzle Position: Fine-tune the nozzle's position for optimal cleaning.
- Warm Air Dryer: After cleansing, use the warm air dryer with adjustable temperature settings to reduce moisture.
- Heated Seat: The seat features five temperature settings for comfort, especially in colder environments.
- User Memory: Store up to four personalized user settings for quick access to your preferred bidet configurations.
Flushing System:
The NEOREST AS features TOTO's ultra-high-efficient TORNADO FLUSH system.
- Dual Flush: Select between 1.0 GPF (Gallons Per Flush) or 0.8 GPF for water conservation.
- TORNADO FLUSH: A powerful, 360-degree cleaning action with dual-nozzle bowl cleansing creates a centrifugal force to efficiently remove waste.
- 1G Technology: This system reduces water use by 35% or more compared to standard 1.6 GPF toilets.
- Manual Flush Override: In case of power outages, a manual flush override is available.
Figure 5: Visual representation of the TORNADO FLUSH system.
Figure 6: Water savings achieved with TOTO 1G Technology.
Maintenance and Cleaning
Regular cleaning and maintenance will ensure the optimal performance and hygiene of your TOTO NEOREST AS toilet.
Cleaning the Bowl:
- CEFIONTECT Glaze: The extraordinarily smooth CEFIONTECT ceramic glaze minimizes waste from sticking, reducing the need for harsh cleaning chemicals. Clean with a soft cloth and mild, non-abrasive cleaner.
Figure 7: The CEFIONTECT glaze for easy cleaning.
EWATER+ Cleansing System:
- The automatic EWATER+ cleansing system mists the wand and toilet bowl with electrolyzed water, reducing bacteria and minimizing the need for harsh cleaning chemicals. This system operates automatically after each use.
Figure 8: EWATER+ misting for enhanced hygiene.
General Cleaning:
- Wipe exterior surfaces with a soft, damp cloth and mild soap. Avoid abrasive cleaners, brushes, or scouring pads.
- Periodically clean the bidet nozzle according to the detailed instructions in the full user manual.
Troubleshooting
If you encounter any issues with your TOTO NEOREST AS toilet, please refer to the following common solutions before contacting customer support:
- No Power: Check if the unit is properly plugged into a GFCI outlet and if the circuit breaker has tripped.
- No Water Spray: Ensure the water supply valve is fully open. Check for any kinks in the water supply hose.
- Lid Not Opening/Closing Automatically: Ensure the sensor is not obstructed and is clean.
- Flushing Issues: Verify water pressure is adequate. If a power outage occurred, use the manual flush override.
For more complex issues or persistent problems, consult the comprehensive troubleshooting section in the full user manual or contact TOTO customer support.
Specifications
| Feature | Detail |
|---|---|
| Brand | TOTO |
| Model Number | MS8551CUMFG#01 |
| Color | Cotton White |
| Product Dimensions | 27.25"D x 15.25"W x 21.38"H |
| Material | Ceramic, Plastic |
| Item Weight | 97 Pounds |
| Installation Type | Floor Mounted |
| Shape | Oval |
| Flush Type | Dual Flush (1.0 or 0.8 GPF) |
| Included Components | Softclose Toilet Seat, TOTO Toilet |
| UPC | 739268448414 |
Warranty Information
For detailed warranty information, please refer to the official warranty document included with your product packaging or visit the official TOTO website. Warranty terms typically cover manufacturing defects and specific components for a defined period from the date of purchase.
Customer Support
Should you require assistance with your TOTO NEOREST AS toilet, please contact TOTO customer support. Contact details can be found on the official TOTO website or in your product documentation. When contacting support, please have your model number (MS8551CUMFG) and proof of purchase readily available.
