1. Introduction
This manual provides detailed instructions for the safe and effective use of your NEHOO Cold Therapy System. This device is designed to reduce pain and swelling, particularly after surgery, by continuously delivering cold water to a flexible therapy pad. Please read this manual thoroughly before operating the system.
2. Important Safety Information
WARNING:
- Consult with a healthcare professional before using this device, especially for post-surgical recovery.
- Do not apply cold therapy directly to skin for prolonged periods without a barrier, as this may cause frostbite or skin damage.
- Monitor skin condition regularly during use. Discontinue use immediately if you experience excessive cold, numbness, or skin discoloration.
- Statements regarding dietary supplements have not been evaluated by the FDA and are not intended to diagnose, treat, cure, or prevent any disease or health condition.
- Keep the device out of reach of children and pets.
- Ensure all connections are secure to prevent leaks.
3. Package Contents
Verify that all components are present in your NEHOO Cold Therapy System package:

Figure 3.1: All components of the NEHOO Cold Therapy System. The image displays the main unit with a transparent bucket, a universal therapy pad, three elastic bandages of varying lengths (45", 27", 15"), a remote control, and a power adapter. The main unit measures approximately 10" wide, 12" deep, and 11" high, with a 59" hose.
- Main Cold Therapy Unit with Double-Walled Bucket
- Universal Therapy Pad (approx. 9" x 12.5")
- Elastic Bandages (3 pieces: 45", 27", 15")
- Wireless Remote Control
- Power Adapter
- Hose (59" length)
4. Setup Instructions
- Placement: Place the main unit on a stable, flat surface near the area to be treated. Ensure it is within reach of a power outlet.

Figure 4.1: Proper placement of the cold therapy unit on a stable surface next to the user.
- Fill the Bucket: Open the lid of the main unit. Fill the transparent double-walled bucket with ice and cold water. The clear bucket allows for easy monitoring of ice levels.

Figure 4.2: The transparent bucket filled with ice and water, showing the internal blue LED illumination for nighttime visibility.
The double-walled structure provides excellent insulation to maintain cold temperatures for extended periods.

Figure 4.3: Diagram showing the double-walled insulation of the bucket, which includes an air insulation layer to maintain cold temperatures.
- Connect the Therapy Pad: Securely attach the universal therapy pad to the hose connectors. Ensure a tight connection to prevent leaks. The pad is designed for various body parts including the knee, ankle, shoulder, elbow, arm, and hip.

Figure 4.4: Demonstrations of the universal therapy pad applied to different body areas: shoulder, lumbar region, ankle, and knee. Elastic bandages are used to secure the pad.
- Secure the Pad: Use the provided elastic bandages to comfortably secure the therapy pad to the desired body area. Ensure the pad is snug but not overly tight, allowing for proper circulation.
- Power Connection: Connect the power adapter to the main unit and then plug it into a standard electrical outlet.
5. Operating Instructions
The NEHOO Cold Therapy System features a user-friendly control panel and a wireless remote for convenient operation.

Figure 5.1: The control panel displays temperature, remaining time, and includes buttons for power, settings, and flow rate adjustment.
- Power On/Off: Press the power button on the control panel or the remote control to turn the unit on or off.
- Set Therapy Time: Use the timer settings on the control panel or remote to select the desired duration for your cold therapy session. The system supports programmable on/off loop modes.
- Adjust Flow Rate: The system offers multiple flow rate settings to adjust the intensity of the cold compression. Select a flow rate that provides comfortable and effective therapy.
- Wireless Remote Control: The included wireless remote allows you to adjust settings and start/stop therapy without needing to reach the main unit, enhancing convenience during use.
- Monitoring: The transparent bucket and LED light allow for easy monitoring of ice levels, ensuring continuous cold therapy.
6. Maintenance
- Cleaning: After each use, empty the bucket and rinse it thoroughly with clean water. Allow all components to air dry completely before storage. Do not use abrasive cleaners or harsh chemicals.
- Storage: Store the NEHOO Cold Therapy System in a cool, dry place away from direct sunlight.
- Ice Management: Regularly check the ice level in the bucket. Replenish ice as needed to maintain optimal cold temperatures. Using frozen water bottles instead of ice cubes can simplify refreezing and reuse.
7. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Unit does not power on. | Not plugged in; power adapter faulty; power outlet issue. | Ensure power adapter is securely connected to the unit and a working electrical outlet. Try a different outlet. |
| Water is not circulating. | Hose kinked or blocked; insufficient water level; pump malfunction. | Check for any kinks in the hose. Ensure the bucket has sufficient water. If the problem persists, contact customer support. |
| Leaking from connections. | Hose or pad not securely attached. | Ensure all hose and pad connections are firmly secured. Disconnect and re-connect if necessary. |
| Therapy pad is not cold enough. | Insufficient ice; water too warm; low flow rate. | Add more ice to the bucket. Ensure water is cold. Increase the flow rate setting. |
8. Specifications
- Brand: NEHOO
- Model: Cold Therapy System
- Package Dimensions: 15.8 x 12 x 11.8 inches
- Weight: 8 Pounds
- Hose Length: 59 inches
- Universal Pad Dimensions: Approximately 9" x 12.5"
- Special Feature: Flexible universal pad, Programmable timer, Wireless remote, Double-walled bucket, Low noise operation
- Age Range (Description): Adult
9. Warranty and Support
Your NEHOO Cold Therapy System comes with a one-year warranty from the date of purchase. We also offer a full money-back guarantee if you are unsatisfied within three months of purchase.
For any product queries, assistance, or to claim warranty service, please do not hesitate to contact us directly.

Figure 9.1: Our customer support team is available to assist with any product inquiries or issues.