HOSAUNA 48.8 * 37 * 87.4 IN
HOSAUNA Outdoor Infrared Sauna User Manual
Brand: HOSAUNA | Model: 48.8 * 37 * 87.4 IN
1. Safety Information
Please read and understand all safety instructions before assembly and operation of your HOSAUNA Outdoor Infrared Sauna. Failure to follow these instructions may result in injury or damage.
- Electrical Safety: Ensure the sauna is connected to a properly grounded outlet. Do not use extension cords. Keep all electrical components dry.
- Heat Safety: The sauna reaches high temperatures. Avoid direct contact with heating panels during operation. Allow the sauna to cool before cleaning or maintenance.
- Material Safety: The sauna is constructed from Red Cedar and Canadian Hemlock wood. While these materials are natural, individuals with specific wood allergies should exercise caution.
- Health Considerations: Consult a physician before using the sauna if you have any medical conditions, are pregnant, or are taking medication. Discontinue use if you feel unwell.
- Outdoor Use: This sauna is designed for outdoor use. Ensure it is placed on a stable, level surface and protected from extreme weather conditions as much as possible.
2. Package Contents
Verify all components are present and undamaged before beginning assembly.
- Back Panel with integrated heating elements
- Left Side Panel with integrated heating elements
- Right Side Panel with integrated heating elements
- Front Panel with Tempered Glass Door and integrated heating elements
- Floor Panel
- Roof Panel
- Seat Plate
- LCD Control Panel
- Bluetooth Speakers (pre-installed in roof panel)
- LED Reading Light (pre-installed in roof panel)
- Power Cables and Internal Wiring Harnesses
- Assembly Hardware (screws, clips, etc.)

Image: The HOSAUNA Outdoor Infrared Sauna, showcasing its wooden exterior and glass door.
3. Setup Instructions
Assembly typically requires two people. Follow these steps carefully for proper installation.
3.1. Site Preparation
Choose a flat, stable, and dry outdoor location for your sauna. Ensure adequate clearance around the unit for ventilation and access.

Image: The HOSAUNA sauna positioned outdoors, demonstrating its suitability for various weather conditions.
3.2. Assembly Steps
For a visual guide, please refer to the official installation video below.
Video: Official HOSAUNA Sauna Installation Guide. This video demonstrates the step-by-step assembly process, including panel installation, wiring, and final setup.
- Install the Backplane: Place the mounting plate on the prepared surface. Carefully lift and position the back panel onto the mounting plate, ensuring it is stable.
- Install Side Shields Plate: Attach the left and right side panels to the back panel, securing them with the provided hardware. Ensure all connections are firm.
- Install the Door Panel: Carefully lift and install the front panel, which includes the tempered glass door, connecting it to the side panels.
- Install the Seat Plate: Slide the seat plate into its designated slots inside the sauna.
- Wiring Connections: Connect all internal wiring harnesses for the heating panels, lights, and speakers. Ensure all connections are secure and correctly matched. Refer to the wiring diagrams in the video for specific connections.
- Install the Top Plate: Carefully lift and place the roof panel onto the assembled sauna structure. Secure it with the appropriate screws.
- Secure Supporting Parts: Install any remaining supporting parts at the bottom of the sauna using the reserved holes and screws to enhance stability.

Image: Diagram illustrating the external dimensions of the HOSAUNA sauna: 48.8 inches (width) x 37 inches (depth) x 87.4 inches (height).
4. Operating Instructions
Your HOSAUNA Infrared Sauna is designed for ease of use with its LCD control panel and app control features.
4.1. Powering On/Off
- Ensure the sauna is properly plugged into a grounded electrical outlet.
- Press the Power button (A) on the LCD control panel to turn the sauna on or off.
4.2. Temperature and Time Control
- Use the Temperature adjustment keys (C) to set your desired temperature, up to 140°F (60°C). The current temperature is displayed in window (J).
- Use the Time adjustment keys (B) to set your desired session duration. The remaining time is displayed in window (K).
- Allow 20-30 minutes for the sauna to reach the set temperature.
4.3. Special Features
- Foot Heating: Activate the independently adjustable bottom heating plate using the Foot heating button (D).
- Lighting: Press the Colored lamp button (E) to cycle through 7 LED mood lights or set a fixed color. Use the Lighting lamp button (F) for the LED reading light.
- Bluetooth Audio: Connect your smartphone to the sauna's Bluetooth speakers. Use the Volume control button (G) and Music selection button (H) to manage audio playback.
- App Control: Download the dedicated app to control your sauna remotely. This allows for remote power on/off, temperature/time adjustments, and reservation settings.

Image: Close-up view of the HOSAUNA sauna's LCD control panel and internal features, including the waterproof roof and graphene heating panels.
5. Maintenance
Regular maintenance will ensure the longevity and optimal performance of your HOSAUNA sauna.
- Cleaning Wood Surfaces: Wipe down the interior and exterior wood surfaces with a clean, damp cloth after each use. For deeper cleaning, use a mild, non-toxic wood cleaner. Avoid harsh chemicals or abrasive materials.
- Cleaning Glass: Use a standard glass cleaner for the tempered glass door and windows.
- Ventilation: Ensure proper ventilation around the sauna to prevent moisture buildup.
- Regular Inspection: Periodically check all electrical connections and hardware to ensure they are secure.
6. Troubleshooting
If you encounter any issues, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Sauna does not power on. | No power supply; loose connection; tripped breaker. | Check power outlet, ensure all cables are securely connected, reset circuit breaker. |
| Sauna is not heating. | Temperature not set; heating panels disconnected; faulty heating element. | Verify temperature setting on control panel. Check wiring connections to heating panels. If issue persists, contact customer support. |
| Lights or speakers not working. | Loose wiring; component failure. | Check wiring connections for lights and speakers. Ensure Bluetooth is properly paired for speakers. |
| App control issues. | No internet connection; app not updated; incorrect pairing. | Ensure your device has a stable internet connection. Update the app to the latest version. Re-pair the app with the sauna if necessary. |
7. Specifications
- Model: 48.8 * 37 * 87.4 IN
- External Dimensions (L x W x H): 48.8 x 37 x 87.4 inches
- Internal Dimensions (L x W x H): 45.7 x 35 x 68.6 inches
- Capacity: 1-2 Person
- Power: 1800W
- Heating Elements: 8 low EMF far-infrared graphene heating panels
- Material: Outer Board Red Cedar, Inner Board Hemlock Wood
- Max Temperature: 140°F (60°C)
- Control System: LCD Control Panel, App Control
- Additional Features: Bluetooth Speakers, LED Reading Light, Tempered Glass Door
- Max Load Capacity: 500 lbs
8. Warranty and Support
HOSAUNA offers a 20-year after-sales service for this product, ensuring long-term peace of mind.
If you encounter any issues with hardware defects or transportation damage while installing or using your sauna, please contact us via "seller message" on the platform where you purchased the product. We are dedicated to offering you exceptional service and support.
Remember, remember to find us and we will help you with all your questions!

Enjoy using the sauna! Best regards, HOSAUNA Team
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