KOHLER 1385103-2-E Freestanding Air Bath Installation Guide

KOHLER 1385103-2-E Freestanding Air Bath

Specifications

• Model: 1385103-2-E
• Brand: KOHLER
• Electrical Requirements: 120 V, 15 A, 60 Hz
• Operating Pressure: 35 psi (241 kPa) – 60 psi (414 kPa)

Product Usage Instructions

• Electrical Installation:
  • Ensure two Class A Ground-Fault Circuit Interrupters (GFCI) are installed.
  • Use a dedicated 120 V, 15 A, 60 Hz service for the blower and a separate one for the bubble heater.
  • If the blower supply cord is damaged, it should be replaced by the manufacturer or a qualified person.
• Maintenance:
  • Keep the area around the blower clean and free of debris to maintain proper airflow.
  • The product has an automatic water purge mode that runs the blower for 5 minutes after draining.
• Installation Preparation:
  • Ensure remote blower installation is required.
  • Provide adequate floor support as per the instructions.
• Materials Needed:
  • Breathing Protection
  • 1/4 NPT Brass
  • 1/4 Hose
  • Construction Adhesive
  • 100% Silicone Sealant
  • Masking Tape

FAQs

• Q: What should I do if the blower supply cord is damaged?
  • A: The blower supply cord must be replaced by the manufacturer, its service agent, or similarly qualified persons to avoid hazards.
• Q: What is the recommended operating pressure for the system?
  • A: The recommended operating pressure is between 35 psi (241 kPa) and 60 psi (414 kPa).
• Q: How long does the automatic water purge mode run the blower after draining?
  • A: The automatic water purge mode runs the blower for 5 minutes after the unit is turned off and drained.

Thank You for Choosing KOHLER

• Need help? Contact our Customer Care Center.
• USA/Canada: 1-800-4KOHLER (1-800-456-4537) Mexico: 001-800-456-4537
• Hours of Operation: Monday-Friday 8:00 AM -5:00 PM (CT)
• Languages Spoken: English, Spanish, and translation services are available.
• Service parts: kohler.com/serviceparts.
• Care and cleaning: kohler.com/clean.
• Patents: kohlercompany.com/patents.

Warranty

• This product is covered under the KOHLER® Hydrotherapy Components Five-Year Limited Warranty, found at kohler.com/warranty. For a hard copy of warranty terms, contact the Customer Care Center.
• This product is covered under the KOHLER® Plastic Baths and Receptors Lifetime Limited Warranty, found at kohler.com/warranty. For a hard copy of warranty terms, contact the Customer Care Center.

Important Information

• WARNING: When using electrical products, basic precautions should always be followed, including the following:
• WARNING: Risk of electric shock. Connect all components to circuits protected by a Ground-Fault Circuit- Interrupter (GFCI)*.
• Install to permit access for servicing.
• A pressure wire connector marked ″Earth/Ground″ is provided within the wiring compartment. To reduce the risk of electric shock, connect this connector to the grounding terminal of your electric service or supply panel with copper wire equivalent in size to the circuit conductor supplying this equipment.
• A pressure wire connector is provided on the exterior of the pump or control within this unit to permit connection of a bonding conductor between this unit and all the other exposed metal in the vicinity, as needed to comply with local requirements.
• Grounding is required. The unit should be installed by a qualified service representative, and grounded.
• WARNING: Risk of injury or property damage. Please read all instructions thoroughly before beginning installation, including the following requirements.
• WARNING: Risk of electric shock. A qualified electrician should make all electrical connections.
• WARNING: Risk of electric shock. Disconnect power before servicing.
• NOTICE: Follow all local plumbing and electrical codes. In Canada, install this unit following the Canadian Electrical Code, Part 1.
• Outside North America, this device may be known as a Residual Current Device (RCD).

Electrical Requirements

• The installation must have two Class A Ground-Fault Circuit-Interrupter (GFCI). The GFCI protects against line-to-ground shock hazards.
• Use a 120 V, 15 A, 60 Hz dedicated service for the blower. Use a separate 120 V, 15 A, and 60 Hz dedicated service for the bubble heater.
• If the blower supply cord is damaged, it must be replaced by the manufacturer, its service agent, or similarly qualified persons to avoid a hazard.

Product Notices

• IMPORTANT! The recommended operating pressure for this system is 35 psi (241 kPa) – 60 psi (414 kPa).
• NOTICE: Keep the area around the blower clean and free of debris. Ensure that the area around the blower is free of sawdust, insulation, dirt, and other small loose debris. Such material can block the blower air ducts and reduce the air flow through the blower.
• NOTICE: This product contains an automatic water purge mode that turns the blower on for 5 minutes after the unit is turned off and drained.

Tools and Materials

Plus:

• Drop Cloth
• Shims
• 2x4s
• Wood Blocks
• 1/2″ (13 mm) Exterior Grade Plywood (for Rim-mount Faucet)

Before You Begin

• NOTICE: This product requires remote blower installation. Refer to the instructions included with the remote blower kit before proceeding.
• NOTICE: Adequate floor support must be provided. Note the model number on the components end of the bath, then visit the product page at kohler.com for additional information.
• NOTICE: Do not lift the bath by the piping, or use the piping for structural support of the bath. To avoid damage to the bath, lift by the rim at the sides of the bath.
• NOTICE: Before installing a rim-mount bath faucet, refer to the specification sheet on the bath product page at kohler.com.
• NOTICE: Provide adequate backer board support for a rim-mount faucet; large faucets that may be inadvertently used as a means of support are not safe for this installation.
• IMPORTANT! To ensure a successful installation, install the bath on a level, finished floor.
• Follow all local plumbing, building, and electrical codes.
• Two people are needed to install this product.
• To simplify future maintenance, make sure all plumbing and control board connections around the bath are easily accessible.
• Use conduit to route electrical wires from the circuit breaker.
• Carefully plan moving the bath into the installation area. This bath will not easily fit through doorways.
• Unpack and inspect the bath and components for damage. Return the bath and components to the carton until installation.
• This bath is designed for freestanding installation only.
• If installing a rim-mount faucet, make sure there is no interference above or below the rim before drilling any holes.
• Illustrations shown may not look like your actual product but they still apply to this installation.

Prepare the Rim-Mount Faucet (Optional)

• NOTICE: Before installing a rim-mount bath faucet, refer to the specification sheet on the bath product page at kohler.com for faucet location dimensions for your model.
• NOTICE: To accommodate the bath shroud, use flexible connections to attach the water supplies to a rim-mount faucet.
• NOTICE: For rim-mount faucet installations, route the water supply lines high enough to permit access for making the final connections from above the shroud.
• Refer to the specification sheet on the bath product page at kohler.com to determine the recommended faucet location and drain model for your bath.
• Measure and cut a piece of 1/2″ (13 mm) exterior grade plywood to support the faucet. The board should be 4″ (102 mm) wide. The length should extend beyond the width of the faucet holes to ensure proper support.
• Locate the faucet in the recommended location on the bath rim. Make sure the faucet trim fits on the bath rim without overhang. Make sure there is no interference above or below the rim before drilling any holes.
• Refer to the installation instructions packed with the faucet to determine faucet hole size.
• Use a pencil to mark the faucet hole centerlines. Do not drill the holes at this time.
• CAUTION: Risk of product damage. To avoid scratching the bath, position a thin piece of cardboard under any clamps before tightening.
• Position the plywood on the underside of the rim, then clamp in place. To protect the finished surface, apply masking tape beneath the cardboard anywhere the clamps will make contact with the finished surface of the bath. Make sure the clamps do not directly contact the finished surface of the bath. Carefully drill the faucet holes.
• Install the valve according to the installation instructions included with the valve. Do not install the faucet trim until instructed.

Prepare the Site

• NOTICE: Measure your product for site preparation. Note the model number located on the components end of the bath, then visit the product page at kohler.com for additional information.
• NOTICE: Remote blower installation is required for freestanding bath installation. Refer to the installation instructions included with the remote blower kit before installing the remote blower.
• IMPORTANT! To ensure a successful installation, install the bath on a level, finished floor.
• IMPORTANT! Make sure the subfloor offers adequate support for the bath.
• Follow all local plumbing, building, and electrical codes.
• Temporarily position the bath and shroud in the installation location.
• Verify that the bath is level. Shim under the shroud if necessary, and secure the shims to the floor with construction adhesive.
• Without moving the shroud, lift and remove the bath from the shroud.
• Trace the shroud cutout area onto the floor.
• Remove the shroud and set it aside.
• Refer to the specification sheet on the bath product page at kohler.com to determine any drain clearance requirements, and cut adequate floor clearance as needed.
• Refer to the specification sheet on the bath product page at kohler.com for drain height details. Position and install a standard PVC or brass bath drain pipe to the correct height.

Prepare the Bath

• NOTICE: Refer to the drain instructions to dry fit the drain to the bath. Do not cement and complete the drain installation until instructed.
• Dry fit the drain assembly to the bath. Refer to the drain instructions. Do not apply sealant or cement to the drain components at this time.
• Loosen the drain and overflow connections from the bath, and remove the drain assembly from the bath.
• Dry fit the drain assembly to the drain pipe, which has already been cut to the correct height.
• Temporarily position the shroud in place over the drain assembly.
• With help, temporarily lift the bath into place in the shroud. Make sure the bath rim is completely seated over the shroud to engage the alignment guides.
• Verify that the drain and overflow connections line up properly with the drain and overflow holes on the bath.
• Measure and record any adjustments needed to the drain or overflow tube lengths.
• Remove the bath and shroud, leaving the drain and overflow assembly attached to the drain pipe.
• Adjust the length of the drain tubes as needed to ensure drain alignment with the drain and overflow holes in the bath.
• Repeat these drain fit steps until the drain and overflow connections line up with the drain and overflow holes in the bath.
• Cement and assemble the drain and overflow components. Connect the drain tee to the drain pipe.
• Apply 100% silicone sealant to both sides of the drain and overflow gaskets.
• Apply slow-drying construction adhesive to the bottom of the shroud.
• Carefully position the shroud over the drain, aligning the hole with the traced mark on the floor.
• Optional: For extra stability, secure the shroud to the floor using four screws (not provided).

Install the Remote Blower

• NOTICE: This product requires remote blower installation. Refer to the instructions included with the remote blower kit.

Make the Electrical Connections

• DANGER: Risk of electric shock. Connect the blower motor, and bubble heater to properly grounded, groundingtype receptacles protected by a Ground-Fault Circuit-Interrupter (GFCI)*. Do not remove the grounding pins from the plugs. Do not use grounding adapters.
• WARNING: Risk of electric shock. Make sure the power has been disconnected before performing the following procedures.
• NOTICE: The blower and bubble heater are equipped with cords and plugs. A qualified electrician must install two
• GFCI*-protected, 120 V, 15 A, grounded outlets. No other load should be on these circuits.
• Install two GFCI*-protected electrical outlets within reach of the 24″ (610 mm) power cords. One electrical outlet will be within 24″ (610 mm) of the blower.
• The other electrical outlet will need to be within 24″ (610 mm) of the bubble heater under the floor. Access to the electrical outlet should be provided through the access panel.
• If the outlet is not able to be located under the floor, a 1-3/8″ hole may be drilled through the bath shroud wall to an outlet location on the wall. A cord hole grommet should be used to cover the hole and allow cord pass through.
• Verify that the blower cord is plugged into the remote GFCI*-protected outlet.
• Plug the bubble heater cord into the separate GFCI-protected outlet located under the floor.
• Outside North America, this device may be known as a Residual Current Device (RCD).
• It is recommended to remove the GFCI to an accessible location, not under the shroud.

Install the Bath

• NOTICE: Do not lift the bath by the piping, or use the piping for structural support of the bath. To avoid damage to the bath, lift by the rim at the sides of the bath.
• NOTICE: To provide access for securing the connections, temporarily position block spacers on opposing ends between the shroud and the bath rim. Position the blocks to avoid damaging the alignment guides located under the bath rim. The type of alignment guides may vary by product.
• With help, lift the bath into position over the shroud and onto the temporary blocks.
• For a rim-mount faucet, install the faucet and trim according to the faucet and trim instructions. Make sure there is adequate support under the bath rim to support the faucet. Refer to the ″Prepare the Rim-Mount Faucet (Optional)″ section.

Connect the Bubble Heater

• Install the tee (not supplied) to the hot water valve on the bath faucet.
• Thread the supply hose (not supplied) onto the 1/4 NPT port of the tee.
• Thread the opposite side of the supply hose into the 1/4 NPT port of the solenoid valve. Do not kink the hoses.
• Verify that the bubble heater cord is plugged into the electrical outlet below the floor or in the shroud.

Complete the Installation

• Carefully remove the temporary blocks and make sure the bath rim engages the top of the shroud on all sides.
• Ensure that all alignment guides are inside the shroud; there should be no gap between the bath and the shroud.
• Install the drain flange and overflow cover according to the drain instructions.
• Close the bath drain. Fill the bath to the overflow, and check for leaks.
• If desired, apply a thin, continuous bead of clear or color-matched 100% silicone sealant to the seam between the shroud and the finished floor.

Test Run the Bath

• Check all electrical connections and make sure that the electrical power to the bath is on.
• Fill the bath to a level at least 4″ (102 mm) above the top of the highest airjet.
• Operate the bath for 5 minutes and test the airjets.
• For additional information on bath operation, see the ″Operating Instructions″ section.

Important Safety Instructions

READ AND FOLLOW ALL INSTRUCTIONS SAVE THESE INSTRUCTIONS INSTRUCTIONS ABOUT A RISK OF FIRE, ELECTRIC SHOCK, OR INJURY TO PERSONS

• WARNING: When using electrical products, basic precautions should always be followed, including the following:
• WARNING: Risk of injury or drowning. To reduce the risk of injury, do not permit children or people with infirmities to use this bath unless they are closely supervised at all times.
• WARNING: Risk of personal injury. To avoid injury, exercise care when entering or exiting the bath.
• WARNING: Risk of electric shock. Do not permit electric appliances (such as a hair dryer, lamp, telephone, radio, or television) within 5’ (1.5 m) of this bath.
• WARNING: The use of alcohol, drugs, or medication can greatly increase the risk of fatal hyperthermia. Prolonged immersion in hot water may induce hyperthermia. Hyperthermia occurs when the internal temperature of the body reaches a level several degrees above the normal body temperature of 98.6°F (37°C). The symptoms of hyperthermia include an increase in the internal temperature of the body, dizziness, lethargy, drowsiness, and fainting. The effects of hyperthermia include: (a) failure to perceive heat, (b) failure to recognize the need to exit the bath, (c) unawareness of impending hazard, (d) fetal damage in pregnant women, (e) physical inability to exit the bath, and (f) unconsciousness resulting in the danger of drowning.
• NOTE: Risk of fetal injury. Pregnant or possibly pregnant women should consult a physician before using the bath.
• NOTE: Risk of hyperthermia or drowning. Do not use the bath immediately following strenuous exercise.
• NOTE: Risk of hyperthermia or drowning. Water temperatures over 100°F (38°C) may cause injury. Test and adjust the water temperature before use.
• NOTE: Risk of personal injury. Never drop or insert any object into any opening.
• Use this bath only for its intended purpose as described in this guide. Do not use attachments not recommended by Kohler Co.
• The bath must be connected only to a supply circuit that is protected by a Ground-Fault Circuit-Interrupter (GFCI)*. Such a GFCI should be provided by the installer and should be tested on a routine basis. To test the GFCI, press the test button.
• The GFCI should interrupt power. Press the reset button. Power should be restored. If the GFCI fails to operate in this manner, the GFCI is defective. If the GFCI interrupts power to the bath without the test button being pressed, a ground current is flowing, indicating the possibility of an electric shock. Do not use this bath.
• Disconnect the bath and have the problem corrected by a qualified service representative before using it.
• Repeated use of personal care products containing oils can damage plastic whirlpool components. Avoid using bath oils.
• Whirlpool hydro-massage action can cause even a small amount of bubble bath, bath soap, shampoo, or bath oil to foam excessively. For this reason, please do not use these products during whirlpool operation.
• Outside North America, this device may be known as a Residual Current Device (RCD).

Operating Instructions

• IMPORTANT! This product contains an automatic water purge mode that turns the blower on for 2 minutes approximately 30 minutes after the unit is turned off and drained.
• NOTE: The water temperature in the bath should never exceed 104°F (40°C).
• Close the drain, then fill the bath at least 4” (102 mm) above the top of the highest air jet.
• Use your hand to test the water temperature for comfort and safety, then carefully enter the bath.
• Press the [On/Off] icon to turn the blower on at medium speed. The blower will automatically run for 60 minutes unless turned off manually.
• Press the [Up] or [Down] arrow icons to increase or decrease the air flow.
• Press the [On/Off] icon a second time to turn off the blower.
• Carefully exit and drain the bath.
• NOTE: After the bath drains below the water level sensor, a 5-minute purge mode will automatically start. Press the purge mode icon to manually turn the purge mode On or Off.
• NOTE: If the interface is not functioning properly, consult the ″Troubleshooting″ section of this guide.

Care and Cleaning

• Do not use powdered cleaners unless the cleaner is fully dissolved in water. Solid substances could block the air jets.
• Do not use full-strength bleach or ammonia cleaning solutions. Chemically active cleaning solutions can damage the bath surface.
• Do not use abrasive cleansers or solvents on acrylic surfaces. Abrasive cleaners and solvents can damage the bath surface.
• Wipe out your acrylic bath with a soft cloth after each use.
• Avoid detergents, disinfectants, or cleaning products in aerosol cans.
• NOTE: To restore dull or scratched units: Apply white automotive polishing compound with a clean rag. Rub scratches and dull areas vigorously. Wipe off residue. Follow with a coat of white automotive paste wax. Do not wax areas where you walk or stand.

Cleaning Your User Keypad and Remote Control

• Use a soft cloth to wipe the keypad and remote control after each use. If the surface becomes dirty, use a non-abrasive soap and warm water to clean.

Maintaining the Airjets

• If cleaning the air jets is required due to hard water deposits, use a small between-the-teeth dental brush and white vinegar. Dip the brush in the vinegar, brush the hole, rinse the brush in clean water, and then use the wet rinsed brush to rinse the hole.
• Fill the bath with water to the top row of air jets. Drain the bath and press the purge button.
• For detailed cleaning information and products to consider, visit www.kohler.com/clean. To order Care & Cleaning information, call 1-800-456-4537.

Troubleshooting

NOTICE: This section is for general aid only. A Kohler Co. Authorized Service Representative or qualified electrician should correct any electrical problems. For warranty service, call 1-800-4KOHLER from within the USA and Canada, or 001-800-456-4537 from within Mexico. For service parts information, visit your product page at kohler.com/serviceparts.

Air Bath System

action is required. Automatic purge mode runs for 2 minutes 30 minutes after the bath is drained.
2. Blower turns off by itself after running for 2 minutes.| A. The Purge Mode icon was pressed instead of the On/Off icon.| A. Press the On/Off icon on the keypad. See the air bath operating instructions section.
3. Blower motor will not start.| A. The power cord from the blower motor is loose, disconnected, or damaged.

B. User keypad cable loose or damaged.

C. The user  keypad does not work.

D. The blower  motor does not work.

| A. Check wiring for proper connections.

B. Check wire connections. If necessary, replace user keypad cable.

C. Replace user keypad.

D. Replace the blower motor.

4. The blower  motor stops running and will not immediately restart.| A. The blower motor overheated and the protection device activated.| A. Check for blockage at the blower air intake. Remove the blockage and allow the motor to cool.
5. Blower motor starts, some but not all airjets are working.| A. Blower motor speed is too low.

B. Blower motor inlet is blocked.

C. The blower  motor does not work.

D. Blower motor discharge is blocked.

E. Check valve (some models) does not work.

F. Airjets are clogged.

| A. Increase speed.

B. Clean the blower motor inlet.

C. Replace the blower motor.

D. Clear blockage.

E. Replace the check valve.

F. Use a small between-the-teeth dental brush and white vinegar. Dip the brush in the vinegar, brush the hole, rinse the brush in clean water, and then use the wet rinsed brush to rinse the hole.

6. Blower motor runs but no air bubbles are observed.| A. Blower motor inlet is blocked. A

B. Airjets are clogged.

C. Blower motor does not work.

| A. Clean blower motor inlet.

B. Use a small between-the-teeth dental brush and white vinegar. Dip the brush in the vinegar, brush the hole, rinse the brush in clean water, and then use the wet rinsed brush to rinse the hole.

C. Replace the blower motor.

7. Blower motor operates, air bubbles are observed, but speed feature does not work.| A. Blower motor inlet is blocked.

B. Loose, disconnected, or damaged wiring harness.

C. User keypad does not work.

D. Blower motor does not work.

| A. Check wiring for proper connections. Replace the wiring harness if necessary.

B. Replace the user keypad.

C. Replace the blower motor.

D. Replace the user keypad.

8. Blower motor does not turn off when the On/Off button is pressed.| A. User keypad does not work.

B. Loose, disconnected, or damaged wiring harness.

C. Control does not work.

| A. Replace the user keypad.

B. Check wiring for proper connections. Replace the wiring harness if necessary.

C. Replace the control.

9. Blower motor runs but water is cooling off too quickly.| A. There is no power to the heated conduit.

B. There is a heated conduit fault.

| A. Set/reset the GFCI supplying heated conduit; check wiring.

B. Check for a blinking yellow light on the heated conduit. A yellow light indicates a system fault. Replace the heated conduit.

10. Low heat fault; Light blinks yellow once then repeats pattern after one second pause.| A. Water for solenoid valve connected to COLD supply.

B. Water injection assembly not working.

| A. Move water supply to hot water supply. Remove power to heated conduit for 10 seconds to reset.

B. Replace water injection assembly.

11. Thermistor fault; Light blinks yellow twice then repeats pattern after a second pause.| A. Faulty connection.| A. Check wiring for proper connections. Replace the heated conduit if necessary.
12. Communication fault; Light blinks yellow three times then repeats the pattern after a second pause.| A. Loose connections cables.| A. Verify all wired connections between user interface, heated conduit, and blower are seated and stable. Remove power to heated conduit for 10 seconds to reset.
13. High heat fault; Light blinks yellow four times then repeats the pattern after a second pause.| A. Water injection assembly not working.

B. There is a heated conduit fault.

| A. Verify water is connected to HOT water supply. Remove power to heated conduit for 10 seconds to reset.

B. Replace heated conduit.

14. Purge mode does not work.| A. User keypad does not work.

B. Control does not work.

| A. Replace the user keypad.

B. Replace the control.

15. The bath  does not purge automatically.| A. Blower does not work.

B. Water level sensors faulty.

C. Water level sensors run together.

| A. Replace the blower.

B. Replace the wires.

C. Separate the wires so that they run along different sides of the bath.

kohler.com.

• Record your model number:

References

• Find Service & Replacement Parts | KOHLER
• Toilets, Showers, Sinks, Faucets and More for Bathroom & Kitchen | KOHLER
• Toilets, Showers, Sinks, Faucets and More for Bathroom & Kitchen | KOHLER

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