Introduction
This manual provides essential information for the safe and effective use of your LTCCDSS Low EMF Outdoor Far Infrared Sauna. Please read all instructions carefully before assembly and operation. Retain this manual for future reference.

Figure 1: Front view of the LTCCDSS 4-Person Outdoor Far Infrared Sauna, showcasing its fir wood construction and glass door.
Safety Information
WARNING: To reduce the risk of burns, fire, electric shock, or injury to persons:
- Always unplug the sauna from the electrical outlet immediately after using and before cleaning.
- Do not operate the sauna if it has a damaged cord or plug, if it is not working properly, or if it has been dropped or damaged.
- Keep the power cord away from heated surfaces.
- Do not use outdoors or operate where aerosol (spray) products are being used or where oxygen is being administered.
- This appliance is not intended for use by persons (including children) with reduced physical, sensory or mental capabilities, or lack of experience and knowledge, unless they have been given supervision or instruction concerning use of the appliance by a person responsible for their safety.
- Children should be supervised to ensure that they do not play with the appliance.
- Consult a physician before use if you have any medical conditions.
Components List
Before beginning assembly, ensure all parts are present and undamaged. Refer to the packing list provided with your sauna for detailed component identification.
- Front Wall Panel (with door and windows)
- Back Wall Panel
- Side Wall Panels (Left and Right)
- Base Panel
- Roof Panel
- Bench Seats (2)
- Floor Grate
- Carbon Crystal Heating Panels (6 Pcs)
- Control Panel
- Bluetooth Speakers (2)
- LED Reading Lamps (2)
- Chromotherapy Lights (4)
- Power Cord (NEMA 5-20P plug)
- Assembly Hardware (screws, clips, etc.)
- User Manual

Figure 2: Interior view of the sauna, highlighting the seating and heating elements.
Setup and Assembly
Assembly typically requires two adults. Follow these steps for proper installation:
- Prepare the Location: Choose a flat, stable, and level surface for the sauna. Ensure the area is protected from direct heavy rain and snow, despite the sauna's outdoor design. Verify that a dedicated 120V/20A or 30A electrical outlet (NEMA 5-20P compatible) is available within reach of the power cord.

Figure 3: Sauna dimensions and electrical specifications for site preparation.
- Install the Base Panel: Place the base panel on the prepared surface. Ensure it is level.
- Assemble Wall Panels: Connect the back wall panel to the base. Then, attach the side wall panels, followed by the front wall panel. Secure them using the provided locking mechanisms or screws. Ensure all connections are tight and flush.
- Install Benches and Floor Grate: Place the bench seats inside the sauna. Install the floor grate over the base.
- Connect Electrical Components: Carefully connect the internal wiring for the heating panels, control panel, lights, and speakers. Refer to the wiring diagram in the separate detailed assembly guide for specific connections.

Figure 4: Detail of the control panel and integrated features.
- Attach the Roof Panel: With assistance, carefully lift and place the roof panel onto the assembled walls. Secure it using the designated fasteners. The hillside roof design provides excellent drainage.

Figure 5: Installation of the roof panel, designed for optimal weather resistance.
- Final Checks: Ensure all connections are secure and the sauna is stable. Plug the power cord into the dedicated electrical outlet.
Operating Instructions
Your LTCCDSS Far Infrared Sauna is designed for ease of use and relaxation.
Pre-Heating the Sauna
- Ensure the sauna is properly plugged in.
- Turn on the main power switch, usually located near the control panel.
- Use the digital control panel to set your desired temperature and session duration. A typical pre-heat time is 15-20 minutes.
During Your Sauna Session
- Temperature Control: Adjust the temperature using the control panel. The sauna can withstand temperatures from -5°F to 104°F (-20°C to 40°C) externally, and heat up to desired internal temperatures.
- Chromotherapy Lights: Use the control panel to select from 7 different colors for chromotherapy. Each color offers a unique ambiance.

Figure 6: Sauna interior with chromotherapy lighting active.
- Bluetooth Speakers: Connect your device to the sauna's Bluetooth speakers to enjoy music or podcasts during your session.

Figure 7: Ceiling-mounted Bluetooth speakers and LED lights.
- LED Reading Lamps: Activate the eye-care reading lamps for comfortable reading.
- Hydration: It is recommended to stay hydrated by drinking water before, during, and after your sauna session.
After Your Session
- Turn off the sauna using the control panel.
- Unplug the sauna from the power outlet if it will not be used for an extended period.
- Allow the sauna to cool down before cleaning.
Maintenance
Regular maintenance ensures the longevity and optimal performance of your sauna.
- Cleaning: Wipe down the interior and exterior surfaces with a damp cloth after each use. Do not use harsh chemicals or abrasive cleaners.
- Wood Care: The fir wood is naturally rot and insect resistant. For enhanced protection, apply outdoor wood wax oil every 6 months for up to 10 years of protection.
- Electrical Components: Periodically check the power cord and connections for any signs of wear or damage.
- Ventilation: Ensure the sauna's ventilation openings are not obstructed.
Troubleshooting
Refer to this section for common issues and their solutions.
| Problem | Possible Cause | Solution |
|---|---|---|
| Sauna does not turn on. | No power supply; loose connection; tripped circuit breaker. | Check power cord connection; ensure outlet is functional; reset circuit breaker. |
| Sauna not heating sufficiently. | Temperature setting too low; heating elements malfunction. | Increase temperature setting; contact customer support if elements are faulty. |
| Lights or speakers not working. | Loose wiring; component failure. | Check connections; contact customer support for replacement parts. |
| Unusual noises during operation. | Loose components; fan obstruction. | Inspect for loose parts; clear any obstructions; contact support if noise persists. |
If the problem persists after attempting these solutions, please contact LTCCDSS customer support.
Specifications
| Feature | Detail |
|---|---|
| Model Number | 904VS |
| Capacity | 4-Person |
| Wood Type | Fir Wood |
| Heating Elements | 6 Pcs Carbon Crystal Plate (Far Infrared) |
| Power Output | 2050W |
| Voltage / Frequency | 120V / 60Hz |
| Circuit Breaker Requirement | 25/30A |
| Power Plug Type | NEMA 5-20P |
| Product Dimensions (L x W x H) | 59.1 x 82.7 x 48.4 inches (External) |
| Interior Space (L x W x H) | 55.7 x 44.9 x 70.1 inches (Approximate) |
| Temperature Withstand (External) | -5°F to 104°F (-20°C to 40°C) |
| Additional Features | 7-Color Chromotherapy Lights, Bluetooth Stereo Speakers, Eye-Care Reading Lamps |
Warranty and Support
LTCCDSS provides comprehensive after-sales support for your sauna.
- Warranty Card: Contact the seller immediately after ordering to receive your warranty card.
- 2-Year Full Warranty: Covers free replacement of parts due to quality issues.
- 5-Year Core Technology Parts Warranty: Covers central circuit, carbon crystal panels, and ceramic heaters.
- Exclusions: Damages resulting from modifications, natural disasters, accidents, or intentional acts are not covered.
- Customer Service: For any inquiries, technical assistance, or warranty claims, please contact LTCCDSS customer service. Refer to the contact information provided on your warranty card or the official LTCCDSS website.