MTI Designer Series Installation And Operation Manual

Drop-in, undermount and alcove air and whirlpool bath systems

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Installation and Operation Manual

Revised May 1, 2024

Designer Collection

Drop-In, Undermount and Alcove

Air and Whirlpool Bath Systems

Installer: This booklet must be given to the product owner.

Please include important information below:

DISTRIBUTOR NAME

MODEL NUMBER

MANUFACTURER'S DATE

SERIAL / REGISTRATION NUMBER

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Page 1 Installation and Operation Manual Revised May 1, 2024 Designer Collection Installer: This booklet must be given to the product owner. Drop-In, Undermount and Alcove Please include important information below: Air and Whirlpool Bath Systems DISTRIBUTOR NAME MODEL NUMBER MANUFACTURER’S DATE SERIAL / REGISTRATION NUMBER...
Page 2 Owner’s Manual & Installation Guide Thank you for purchasing an MTI bath product. You have chosen the best-built tub in America. We know that it will give you many years of pleasure. The instructions in this booklet will provide you with the information you need to install and operate this unit.
Page 3: Table Of Contents
Airbath Elite with Ultra Whirlpool ........25 Additional System Information .........26 Optional Therapies ............. 27–28 Care and Cleaning ............. 29–30 Acrylic CXL™ Surface ............29 DoloMatte™ Surface ............29 No MTI Cleaning System ...........30 Fill Flush® ................30 Simple Touch® ..............30 Troubleshooting ................31 Warranty ...................32-35 Residential ..............32–33...
Page 4: Important Safety Information
Whirlpool and Airbaths Important Safety Information This manual contains information and instructions for proper handling, operation and maintenance of your MTI bathtub. Failure to follow these instructions could result in personal injury, electrical shock or fire. WARNING: When using electrical products, basic precautions should be followed, including the following: •...
Page 5: Installation
MTI does not warrant leaks associated with improper drain or valve installation. Inspect Product Thoroughly • Damage from shipping or delivery must be reported to carrier immediately. DO NOT install damaged tub. MTI is not responsible for damage occurring during transit.
Page 6: Electrical
• Access must be provided to each electrical component. The access panels for most hydrotherapy tub systems must have a minimum size of 16" x 14" for future servicing. Microbubbles requires minimum access size of 20" x 16". MTI will not authorize service unless clear access is available.
Page 7 • Fill tub and test for proper operation and leaks. NOTE: Electrical components must be plugged into a 110V GFCI protected outlet. NOTE: MTI air systems are equipped with water sensors near the drain. When water is introduced to the bath and drained, either by showering, bathing or cleaning, the sensors activate the purge/drying cycle.
Page 8: Airbath
Manual • Collection • Installation and Operational Designer Whirlpool and Airbaths Airbath Installation (continued) Remote Installation Of Air Blower (optional) The following illustration is referenced in the instructions on pg. 7. Check Valve 1" Schedule 40 PVC not included Power Cord From blower to ﬂex hose...
Page 9 Manual • Collection • Installation and Operational Designer Whirlpool and Airbaths Airbath Installation (continued) Remote Installation Of Air System Components (optional) Do not attempt to relocate whirlpool pumps. Whirlpool pumps may be removed temporarily for ease of installation, but must be reconnected in factory-installed location.
Page 10: Optional Therapies
• Must have access to transformer box for future servicing. • When remote locating Radiance transformer box, DO NOT splice cables. Extensions available from factory. Contact MTI Baths. • Plug power cord (A) into 110V grounded circuit. Test prior to final installation.
Page 11: Plumbing
4. Water test all plumbed connections prior to final installation. ¹ MTI will not be responsible for any costs involved with removing or reinstalling the tub due to leaks associated with drain or valve installation. ² Failure to check floor for flat and level surface could result in improper drainage of the bath.
Page 12: Cleaning System
Check local codes, as some areas of the country require a deck-mounted backflow prevention device.² 1 MTI will not be responsible for any costs involved with removing or reinstalling the tub due to leaks associated with improper drain or valve installation.
Page 13: In-Line Heater
Fig. 1 on pg. 6).³ 1 MTI will not be responsible for any costs involved with removing or reinstalling the tub due to leaks associated with improper drain or valve installation. ² It is the responsibility of the installer to comply with local plumbing codes regarding backflow prevention.
Page 14: Cleaning Systems Diagrams
Manual • Collection • Installation and Operational Designer Whirlpool and Airbaths Fig. 8a Simple Touch Simple Touch cleaning solution push button dispenser tub deck air tubing to control box ﬂex pipe solenoid valve AC 24V To control 7.6 GPM to whirlpool jets ¾"...
Page 15 Manual • Collection • Installation and Operational Designer Whirlpool and Airbaths Fig. 9a Fill-Flush cleaning solution dispenser tub deck ﬂex pipe mixed supply line ¾" NPT to whirlpool jets mixed water AS-VTD-3 Fig. 9b Fill-Flush with Atmospheric Vent atmospheric vent cleaning solution dispenser...
Page 16: General Guidelines
1 MTI will not be responsible for any costs involved with removing or reinstalling the tub due to leaks associated with improper drain or valve installation. ² Failure to check floor for flat and level surface could result in improper drainage of the bath.
Page 17 Undermount / Framed Box Installation MTI does not make recommendations as to the size and shape of the opening for undermount installation. Do NOT use any templates supplied by MTI for undermounting. Template actual tub bowl dimensions very carefully before building or cutting any deck materials.
Page 18: Operation
WARNING! Always fill tub 1" above highest jet. Starting whirlpool at insufficient water level could result in damage. ⁴ MTI will not be responsible for water damage in areas outside of the tub caused by improper operation. 18 / mtibaths.com Visit https://mtibaths.com/media-news/videos/support-videos/...
Page 19: Standard Or Ultra Whirlpool
Some System 2 Ultra Whirlpools with 6 or fewer micro jets have an ON/OFF push button dedicated to a micro jet pump. Cluster control diverter must be in the "OFF" position before activating the micro jets.⁴ ⁴ MTI will not be responsible for water damage in areas outside of the tub caused by improper operation. Visit https://mtibaths.com/media-news/videos/support-videos/...
Page 20: Ultra Whirlpool With Tsubo Massage
ADJUSTMENT: A single diverter knob is dedicated to each set of micro jets. Gradually turn this cluster control diverter to increase pressure from the "OFF" position. ⁴ MTI will not be responsible for water damage in areas outside of the tub caused by improper operation. 20 / mtibaths.com Visit https://mtibaths.com/media-news/videos/support-videos/...
Page 21: Airbath With Whirlpool
Floor sensors near drain activate drying cycle approximately 7 minutes after the bath is drained. Drying cycle will run for 1-2 minutes. Airbath LED indicator light will blink during countdown. See details on pg. 24. ⁴ MTI will not be responsible for water damage in areas outside of the tub caused by improper operation. Visit https://mtibaths.com/media-news/videos/support-videos/...
Page 22: Airbath Elite With Spa Mode
Floor sensors near drain activate drying cycle approximately 7 minutes after the bath is drained. Drying cycle will run for 1-2 minutes. Airbath LED indicator light will blink during countdown. See details on pg. 24. ⁴ MTI will not be responsible for water damage in areas outside of the tub caused by improper operation. 22 / mtibaths.com Visit https://mtibaths.com/media-news/videos/support-videos/...
Page 23: Airbath Elite With Whirlpool
ADJUSTMENT: Rotate the control counter-clockwise to increase the amount of air and pressure in the system. If your tub is equipped with a cleaning system, the detergent dispenser is also the air volume control. ⁴ MTI will not be responsible for water damage in areas outside of the tub caused by improper operation. Visit https://mtibaths.com/media-news/videos/support-videos/...
Page 24: Airbath With Ultra Whirlpool
Floor sensors near drain activate drying cycle approximately 7 minutes after the bath is drained. Drying cycle will run for 1-2 minutes. Airbath LED indicator light will blink during countdown. See details on pg. 24. ⁴ MTI will not be responsible for water damage in areas outside of the tub caused by improper operation. 24 / mtibaths.com Visit https://mtibaths.com/media-news/videos/support-videos/...
Page 25: Airbath Elite With Ultra Whirlpool
Floor sensors near drain activate drying cycle approximately 7 minutes after the bath is drained. Drying cycle will run for 1-2 minutes. Airbath LED indicator light will blink during countdown. See details on pg. 24. ⁴ MTI will not be responsible for water damage in areas outside of the tub caused by improper operation. Visit https://mtibaths.com/media-news/videos/support-videos/...
Page 26: Additional System Information
• To delay the automatic purge for another 7 minutes, once it begins, press . Press again to completely cancel the automatic purge. MTI does not recommend canceling the purge regularly, as the drying cycle is designed to help maintain optimal performance of the airbath.
Page 27: Optional Therapies
Manual • Collection • Installation and Operational Designer Whirlpool and Airbaths Optional Therapies Operating Instructions Independent Chromatherapy System offers 3 color cycles. Default cycle time is 1.5 seconds between color changes within the first cycle for each color set; slows to 6 seconds between color changes after first cycle.
Page 28 Rotate toward "OFF" position to decrease volume and pressure, toward the "ON" to increase pressure. Each set or cluster of micro jets has a dedicated cluster control knob for adjustment of water volume and pressure. ⁴ MTI will not be responsible for water damage in areas outside of the tub caused by improper operation. 28 / mtibaths.com...
Page 29: Care And Cleaning
DoloMatte will retain its beauty with only a minimal amount of care. To maintain its elegant look, follow these simple steps: • MTI recommends cleaning with a soft, damp cloth and any mild dish soap and water. Fingerprints may be removed with denatured alcohol applied to a soft cloth.
Page 30: No Mti Cleaning System
6. Open jets to let whirlpool lines continue draining. 6. Open jets to let whirlpool lines to continue draining. * MTI is not responsible for water damage in areas outside of the tub caused by improper operation. 30 / mtibaths.com...
Page 31: Troubleshooting
Q: Is it safe to use bath salts or bath oils in my whirlpool? A: Water soluble products such as bath salts are fine to use, however, MTI does not recommend the use of heavy bath oils. Products con- taining natural or chemical dyes may discolor the jet controls and/or tub surface. Check the label to ensure products are safe for acrylic or plastics, and always use according to the product recommendations.
Page 32: Warranty
Lifetime Bath Warranty Shell: MTI Baths (MTI) warrants the tub shell against defects in material and workmanship for the lifetime of the product to the original purchaser. Variations in resin/fiberglass thickness on the underside of the bath are not considered defects and do not affect the performance, integrity or quality of the product.
Page 33 The bath and systems must be properly water tested to inspect for level, leaks and proper operation prior to final enclosure of the unit. Failure to do so will void the warranty. If a problem is discovered after the final enclosure, MTI will not be responsible for the cost of removal or reinstallation of the tub or for costs associated with any adjacent materials.
Page 34: Commercial
Two-Year Bath Warranty Shell: MTI warrants the tub shell against defects in material and workmanship for a period of two years from the date of purchase. Variations in resin/fiberglass thickness on the underside of the bath are not considered defects and do not affect the performance, integrity or quality of the product.
Page 35 The bath and systems must be properly water tested to inspect for level, leaks and proper operation prior to final enclosure of the unit. Failure to do so will void the warranty. If a problem is discovered after the final enclosure, MTI will not be responsible for the cost of removal or reinstallation of the tub or for costs associated with any adjacent materials.

MTI Designer Series Installation And Operation Manual

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