Page 1
Please install the product properly, in accordance with the descriptions in this manual so that full use can be made of the product's functions. After installing the product, please tell the customer how to use the product fully. Thank you for choosing to use the Toto NEOREST AIRBATH™ on this occasion. ®...
Table of contents 1. IMPORTANT SAFETY INSTRUCTIONS .............4 ~ 7 Bathtub..........................5 Function module......................6 2. Contents of set ..................8 ~ 9 Bathtub ..........................8 Cables..........................8 Controller Stand.......................9 Function module......................9 3. Dimension Drawings and Specifications ..........10 ~ 12 Bathtub, Controller stand and Function Module............10 List of Specifications ....................12 4.
1. IMPORTANT SAFETY INSTRUCTIONS READ AND FOLLOW ALL INSTRUCTIONS. SAVE THIS INSTRUCTION with your instruction manual. INSTALL TO PERMIT ACCESS FOR SERVICING. INSTALL THIS UNIT IN ACCORDANCE WITH THE NATIONAL ELECTRICAL CODE (NEC) NFPA 70 AND CANADIAN ELECTRICAL CODE, PART 1. Please read these "Important safety instructions"...
1-1 Bathtub Warning Install the product securely, in accordance with the Installation Manual. Always do this Improper installation can cause leaks that damage or ruin household property. Do not drop or strike the bathtub with hard objects. Doing so could crack or scratch the bathtub or cause leaks that damage or ruin household property. Prohibited Do not stand on bathtub while working.
1-2 Function module Warning Install securely, in accordance with the Installation Manual. Always do this Improper installation can lead to electric shocks or fire. Additionally, it could cause water leaks that damage or ruin household property. Be sure to have a qualified individual (certified electrician) carry out all electrical work in accordance with the relevant laws and regulations.
Page 7
Warning When installing the function module using a metal lath or wire lath support, be certain not to connect the function module and support electrically. Always do this Doing so could lead to electric shock, overheating or fire. CAUTION: To reduce the risk of electrical shock disconnect power before servicing from the supply circuit.
2. Contents of set After unpacking the product, please confirm the numbers of parts as shown below. 2-1 Bathtub Part Name Shape of Bathtub Installation Manual Owner's Manual Cleaning tool Headrests 2-2 Cables <Breakdown> *Power supply junction cable Junction Cables *Signal junction cable *Air blower junction cable...
2-3 Controller stand Product Name Controller stand assembly Base assembly (with O-Ring safety sheet) Base cover (Slip Ring inside) Slip ring assembly Controller splitter cord Set screw with hexagonal hole (1 Spare) M4 x 4 long Phillips head tapping screw 4 x 30 (holds base in place) 2-4 Function module Part Name...
3. Dimension Drawings and Specifications 3-1 Bathtub, Controller stand and Function Module Bathtub 1800 Shower Box Air blower nozzle (15 positions) Headrest base Underwater lighting Underwater lighting Overflow Drain valve Shoulder Air blower warmer pump Drain elbow Drainage Drain Fitting direction for 1-1/2”...
Page 11
Controller stand φ80 Function Module 6×14 Slots Inspection Port (GFCI) Inspection Port (Line Connections) 6×14 Slots Drain Valve with Strainer Drain Valve with Strainer Tub Connecting Port Drain Valve Hot Water Supply Connecting Port Cord Access Port Cold Water Supply Connecting Port A - Supply circuit C B A B - Air blower...
3-2 List of Specifications External Dimensions 70 7/8" x 55 1/2" x 28 1/2" (1800 mm W, 1410 mm D, 725 mm H) Weight 353 lbs. (160 kg) Capacity 161 Gallons (610 L) to overflow line Drain time 9 minutes 15 seconds Material Acrylic Synthetic Marble Number of drains...
4. Installation Procedure 6-1 Building a base for the bathtub ~ seating the bathtub (P. 18, P. 19) (1) Building a base (P. 18) (2) Plumbing and connecting the drain pipes (P. 18) (3) Seating the bathtub (P. 19) 6-2 Finishing (P. 20, P. 21) (1) Fixing the bathtub in place (P.
5. Installation Precautions 5-1 Bathtub Bathtub Before installing the bathtub, Do not place anything heavy on Do not remove the protective check the bathtub itself and the the tub or anything in the tub for sheet on the tub. Also, the plumbing for problems.
5-2 Function module Power supply cord (6.6 ft (2 m)) Junction cable NPT3/4 (23 ft (7 m) or 49 ft (15 m)) NPT3/4 • Signal junction cable • Air blower junction cable • Shoulder warmer junction cable • Underwater illumination junction cable Water heater Hot water supply...
5-3 Clean-up Shower Installation Conditions When attaching the Clean-up Shower, please observe the following conditions of use. (1) Confirmation of water pressure Minimum required pressure: 11.6 psi (0.08 MPa) Supply hot/cold water pressure: Maximum water pressure: 108.75 psi (0.75 MPa) If the supply water pressure exceeds 108.75 psi (0.75 MPa), please reduce the pressure to around 29 psi (0.20 MPa) using a commercially available pressure-reducing valve.
5-4 Function module installation locations Please locate the function module in a place where freezing and moisture from indoor water will not be a problem. Please leave a space of at least 2 ft. (600 mm) in front of the equipment so that inspections or repairs can be made. Also, please do not locate it on a second-story wall or other place without access.
6. Installation requirements 6-1 Building a base for the bathtub ~ seating the bathtub (1) Building a base Please allow at least 100 mm or more clearance beyond the external dimensions when determining the position of the bathtub. Please set up the hot/cold water supply pipes and the fill-tub pipe on the side with the inspection port. Also, please set aside space for inspection ports at the rear of the bathtub center module or the function module (pump) (one or the other of *1).
(3) Seating the bathtub Please attach the plumbing that will connect the hot and cold water supplies and the fill-tub line to the bathtub. Fill tub line (NPT 3/4) Hot water supply line (NPT 1/2) Cold water supply line (NPT 1/2) Connecting pipe Please make the bathtub level.
6-2 Finishing (1) Fixing the bathtub in place Please fix the bathtub in place using mortar or a powerful adhesive. Caution: Please be careful not to get any mortar or adhesive on the bathtub itself. Mortar Mortar (2) Plumbing and connecting the hot/cold pipes and the fill-tub pipe Please connect the connecting plumbing installed on the bathtub to the hot/cold water supply pipes and the fill-tub pipe that were set up in advance.
(4) Finishing the tiles Please build a deck around the perimeter with an apron and tiles. Before installing the deck, please fill the bathtub with water, test run it and check for leaks around the pipe connections. Please refer to the POO concerning test runs. Before tiling the deck surface, determine the position of the remote control stand and insert a sheathing pipe for the cable.
6-3 Controller stand installation (1) Marking the pilot hole, drilling the hole and installing the plug Cut the conduit sheath for the wires that protrude from the surface of the deck. Place the base so that the conduit sheath stays in the center and, being careful of the installation direction, mark the three places where the holes will be that will secure the base Please be careful of the position of the groove and the front during installation and fix it in place, keeping the movable range of the remote controller in mind.
(2) Attach the base Use the screws that came with the base to attach it so that it faces the right direction. Power Screwdriver Deck Protective sheet installation screws Base Base Do not remove the protective sheet on the base. •...
(3) Install the slip ring Place the slip ring on the base, being careful not to confuse the front and back surfaces of slip ring holder. Slip ring holder Back surface Front surface Slit Slit Be sure to attach the slip ring. •...
(4) Controller stand installation After connecting the splitter cord that comes with the unit to the signal relay cable (6-2 Finishing (3)), remove it from the base through the conduit sheath and connect it to the controller stand itself. Connector Controller stand Press the controller stand into the base.
6-4 Function module installation (1) Advance preparation Install shut-off valves and anti-backwash valves on the hot and cold water supply pipes. Run the pipes and cables for the connection between the bathtub and the function module. Install a water removal valve on the fill-tub pipes and make arrangements for a suitable water drainage process. Function Module Bathtub Bathtub...
(3) Positioning of holes for function module installation screws Drill pilot holes for positioning the function module, pound in the curl plug (arranged on site) and use a tapping screw for positioning. Then, hang the installation plate of the function module (above) on the tapping screw. Installation Function module plate...
(4) Function module installation Drill the pilot hole in the position determined for the screw and pound in the tapping anchor (arranged on site). Replace the function module on the tapping screws and fix the tapping screws (two above and two below) into place. Waterproof the area so that water cannot get into the building from the screws that secure the equipment.
(6) Inspecting for leaks in the fill-tub plumbing Caution • Do not apply additional pressure to the equipment. Inspection pressure and time: 43.5 psi (0.30 MPa) for five minutes or longer. Install a valve on one end of the fill-tub plumbing. (Valve open.) Install a booster pump on the other end to feed water into the fill-tub plumbing.
(7) Plumbing the hot, cold and fill-tub pipes Connect the pipes described so far to their respective connection ports on the function module. Power supply cord Anti-backwash valve To bathtub Shut-off valve Hot water (Water heater) To drain line Water Drain Open the shut-off valves on the hot and cold water supply lines and check to see that there are no leaks from the joints.
(8) Electrical work Power supply check. • All electrical connections must be in accordance with local codes, ordinances, and the National Electrical Code (NEC). If you are unfamiliar with methods of installing electrical wiring and appliances, you Connect Ground should secure the services of a qualified licensed electrician. Warning Improperly performed work could result in breakdowns or current leaks that could lead to electric shocks.
Page 32
Set up the clamp connector (3/4) that comes with the "Control Unit" of the power supply relay cable. Clamp connector (3/4) Power supply relay cable Set up the clamp connector (1/2) that comes with the "Control Unit" of the signal relay cable. Clamp connector (1/2) Signal relay cable...
6-5 Confirmation and trial operation Run trial operations as described in the Instruction Manual and, after confirming that the product runs normally, tell the customer how to use it and deliver it to the customer. Inspection • After the unit is installed, please be sure to check the operation of the Supplementary protector.
Page 34
Trial operation preparation Hot water heater (Not included with the product) Confirm that electric power is being supplied. Function module This should be performed after confirming that the bathtub is empty. Hot water Supply temperature: 140 to 158°F (60 to 70°C) Cold Supply pressure: 29 to 108.75 psi (0.20 to 0.75 MPa) Hot water...
Page 35
(2) Fill-tub operation Close the drain valve in the bathtub and set the On/Off button on the controller to ON. to ON. Confirm that the fill-tub cascade is flowing out of the fill-tub outlet. Confirm that there are no leaks in the plumbing. Wait until the fill-tub feature finishes normally.
Page 36
(6) Purge operation Remove the drain plug in the bathtub and empty the bathtub. Set the On/Off button on the controller to OFF. to ON. Please remove the drain plug in the bathtub so that the water in the bathtub will all run out. The purge operation will end automatically after approximately two minutes.
Page 37
Error reset method Errors can be reset with the button that displays the error codes. If the error codes aren't displayed The lights on the controller don't work • Is the controller cable connected? • Is the controller cable broken? •...
Page 38
Cleaning the strainer in the water drain lug Debris in the plumbing will collect in the strainer, so after connecting the plumbing and running water through it and after the trial operations, please be sure to clean the strainer. Caution If the product won't be delivered to the customer for a long time or if it will not be used for a long time, please remove the water from the function module and shut off the power.
Page 39
Remove the water drain lugs in the hot and cold water connection ports. Hot water will come out of the function module when removing the water drain lugs, so please be careful. When the water drain lugs cannot be removed by turning them by hand, please put the end of a screwdriver or other tool in the hole in the water drain lug and use that to turn them.
Need help?
Do you have a question about the NEOREST AIRBATH and is the answer not in the manual?
Questions and answers