Toto USWN900 Series Instruction Manual And Warranty
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Toto USWN900 Series Instruction Manual And Warranty

Auto flush urinal
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Auto Flush Urinal
USWN900 Series
•
Thank you for your recent purchase of the TOTO Auto
Flush Urinal.
Please read this Instruction Manual carefully to ensure
the safe use of your product.
•
Be sure to check that details such as the name of the
installer and installation date are entered on the
warranty.
•
Keep this Instruction Manual in a safe place for future
reference.
Instruction Manual
with Warranty
Introduction
• Safety Precautions ......................2
• Part Names .................................7
Operation
• Operation System .......................8
• Pre-flush Setting..........................9
Maintenance
• Routine Maintenance ................10
• Periodic Inspection....................15
What to Do?
(Dry Type) .................................16
• Troubleshooting ........................18
• Urinal FAQ ................................26
Reference
• After Sales Service....................28

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Summary of Contents for Toto USWN900 Series

  • Page 1: Table Of Contents

    • Backup Battery Replacement (Dry Type) .........16 • Troubleshooting ......18 • Urinal FAQ ........26 • Thank you for your recent purchase of the TOTO Auto Reference Flush Urinal. Please read this Instruction Manual carefully to ensure the safe use of your product.

  • Page 2: Safety Precautions

    Safety Precautions For safety, be sure to follow these Read these "Safety Precautions" carefully before using your product to ensure safe use. • After reading these precautions, be sure to keep them in a place where they can be referenced at any time by users of the product.
  • Page 3 WARNING Do not perform disassembly or alterations other than as described in this manual Doing so may cause fire or electrical shock. Also, malfunctions such as water shutoff or spray defects may occur or the apparatus may be Do not disassemble damaged, causing injuries or damage to property due to water leaking onto household belongings, etc.
  • Page 4 WARNING Be very careful when handling the cleaning magnet, because it has a strong attraction force Otherwise, your hands or fingers may be trapped and injured between the magnet and another magnet, or Required between the magnet and a magnetic object such as metal pieces, a knife or scissors.
  • Page 5 CAUTION Keep the cleaning magnet away from electronic devices Otherwise, instruments or control circuits may be affected, resulting in accidents or malfunctions. The magnet is a separately sold part. Keep the cleaning magnet away from objects such as floppy disks, magnetic cards, magnetic tape, prepaid cards, tickets and cathode ray tubes If magnetic storage media are placed near the...
  • Page 6 CAUTION Wipe any urine, condensation, detergent, water, etc. that has gotten on the floor with a well-wrung mop or cloth Leaving such substances on the floor may cause staining or corrosion. Wipe off any condensation from the surface of the urinal or other parts with a dry cloth Failure to do so may cause staining or corrosion of the floor.

  • Page 7: Part Names

    Part Names Wall Mounted Urinals USWN900AE (AC), USWN900AS (Sterilization Type), USWN900A (DC Dry Type), USWN900AES (AC Button Type), USWN900ASS (Sterilization Button Type) Top lid Backup battery (Dry Type) Controller Valve unit Shutoff valve Photoelectric sensor Decorative bolt Spreader Main unit Drainage flange Drain trap...

  • Page 8: Operation System

    Operation System Detection Pre-flush Main flush Interval discharge pipe flush “ewater+” cleaning After use, the urinal is A person approaching The urinal is flushed The urinal is flushed * Super water saving the urinal is detected before use. flushed when the automatically every 2 hours type only person moves away...

  • Page 9: Pre-Flush Setting

    Pre-flush Setting * When the product is shipped, pre-flush is set to “OFF”. Change the setting as required. Pre-flush setting method Open the setting switch cover Waterproof Controller cover on the controller and set switch No. 1 to “ ON ”. For details, check the caution label attached to the product.

  • Page 10: Routine Maintenance

    * TOTO’s Faucet Area Cleaner can be used. compounds detergent *1 Including hydrogen fluoride and ammonium fluoride About the cleaning tools Wire brush Do not use tools such as wire brushes, abrasive nylon scrubbing pads or sandpaper, because they will damage the surface.
  • Page 11 Advice for cleaning the inside bowl surface When cleaning the inside bowl surface, use a towel, etc. Place a towel, etc. over the photoelectric sensor Photoelectric sensor stops detecting Remove the towel, etc. (recovers automatically) Towel, etc. When using the cleaning magnet The magnet is a separately sold part.
  • Page 12 Cleaning the urinal For light dirt Wash with water using a cleaning brush or sponge. For scale or heavy dirt Wipe off moisture Scrub using a cleaning from the dirty brush or sponge. part. If the dirt is difficult to remove, use a tool such as a small stick.
  • Page 13 Cleaning the spreader (main unit) For light dirt Wipe off the dirt with a soft cloth that has been soaked in cold or lukewarm water and wrung-out thoroughly. Spreader (sensor) For heavy dirt Wipe off the dirt with a soft cloth soaked in appropriately diluted neutral dishwashing detergent, then wipe with a wet cloth and Spreader...
  • Page 14 Cleaning the drain trap ●Wear rubber gloves when removing and cleaning the drain trap. ●When cleaning, use a neutral detergent and soft sponge. * The drain trap may discolor slightly because it is made from plastic. ●Be careful not to soak the drain trap in hot Usable detergents for water or detergent or leave detergent on it porcelain unit cleaning...

  • Page 15: Periodic Inspection

    Periodic Inspection As the product deteriorates with use over a long time (deterioration with time), safety issues may occur.To prevent serious accidents due to deterioration with time, and to enable you to use the product safely and comfortably for a longer period of time, please perform the following inspections yourself at least once a year.

  • Page 16: Backup Battery Replacement (Dry Type)

    Backup Battery Replacement (Dry Type) About battery replacement When the backup battery is discharged, the photoelectric sensor flashes in 4-second cycles and the flushing function stops. Battery replacement method For battery replacement, please contact the construction party or the dealer. WARNING Do not use a battery other than the designated dry battery that is supplied...
  • Page 17 When the photoelectric sensor starts flashing in 4-second cycles, replace the battery immediately with the following procedure. Controller Remove the waterproof cover from the controller. Remove the discharged backup battery. Insert the backup battery into the designated Urinal main unit top location.

  • Page 18: Troubleshooting

    Troubleshooting If you think there may be a malfunction, first check that there is no power outage or water failure. If these are normal, remove the top lid and then perform an inspection according to the following inspection items.Check “Part Names” (Page 7) for the part locations.If the malfunction persists even after performing the inspection according to the inspection items or you suspect something abnormal, close the open/close screw of the shutoff valve and then contact the installer or seller.
  • Page 19 Symptom Condition Solution Ref. Page Dirt is clogging the water Clean the water filter. P.24 filter. Flush volume is The shutoff valve is only P.21 ~ P.23 Open the shutoff valve. slightly open. Interval discharge pipe flushing is Water being performed, or intermittent Flushes even though the flushes on P.25...
  • Page 20 Removing and reinstalling the top lid WARNING Tool to use Never touch the power terminal with your hands while power is being supplied Do not Doing so may cause electrical shock. touch Hexagonal bar wrench (nominal diameter: 4) CAUTION Do not tighten the decorative bolts too strongly Doing so may cause damage.
  • Page 21 Water is not flushed (AC220 V type, Sterilization Type) Power wire connecting and disconnecting procedure WARNING A qualified electrician should perform connection and disconnection of the power wire onto the Never touch the power terminal terminal block. with your hands while power is Terminal block Terminal being supplied...
  • Page 22 Water is not flushed (AC220 V type, Sterilization Type) (continued) When the detection LED does not light up while the urinal is being used Open Close (1) Hold your hand over the detection LED. Flat-head Shutoff valve screwdriver Detection LED (2) Check that power is being supplied.
  • Page 23 Water is not flushed (Dry Type) When the detection indicator LED is flashing, or you do not know whether it was flashing (1) Check the connection of the Backup battery backup battery connector. Connector (2) Open the master valve and shutoff valve.
  • Page 24 Water does not stop Close the shutoff valve with a flat-head Open Close screwdriver. Flat-head Shutoff valve screwdriver * Request repair from your installer or seller. Flush volume is not appropriate CAUTION Use the product with the shutoff valve fully open. If the shutoff valve is partially closed, the flushing performance may drop and impair hygiene.
  • Page 25 Detection LED lights up or flashes In the AC type and dry type, the sensor detection LED may light up or flash. When the LED lights up or flashes, it means the following. <Indicating the urinal is being used> <Indicating backup battery is discharged> ・AC type: Lights up ・Dry type: Flashes ・Dry type: Does not light up...

  • Page 26: Urinal Faq

    Urinal FAQ What causes black stains around the urinal? When urinating, urine may splash out depending on where the urine makes contact inside the urinal. Particularly on wooden flooring, if the urine is left on the floor, the ammonium in urine may cause black stains.
  • Page 27 AC220 V Sterilization type Dry type Type USWN900AE USWN900AS Part No. USWN900A USWN900AES USWN900ASS Dimensions (mm) 380×420×920 width × depth × height Dry battery (2-cell AA AC220 V (50Hz) Power supply alkaline battery) Two years around Below 0.5w Power consumption if used 4000 times 24w at Sterilizing 0.5 W or less...
  • Page 28 2015.8 0GH226 Issues about repair&usage Please contact the installer or seller Signature...

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Uswn900ae

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