COZYTY NHB-7284
COZYTY Heated Electric Blanket User Manual
Model: NHB-7284
1. Introduction
Thank you for choosing the COZYTY Heated Electric Blanket. This blanket is designed to provide optimal warmth and comfort with its super soft flannel fabric, multiple heating levels, and intelligent safety features. Please read this manual thoroughly before use to ensure safe and efficient operation.
2. Important Safety Instructions
WARNING: To reduce the risk of burns, electric shock, fire, or injury to persons, this product must be used in accordance with the following instructions:
- Do not use with an infant, a child, an invalid, or any person insensitive to heat.
- Do not use on areas of the body that are swollen, inflamed, or have open wounds.
- Never use the blanket if it is wet.
- Do not use with pointed or sharp objects.
- Do not use if the power cord or plug is damaged.
- Always unplug the blanket when not in use.
- Do not dry clean this product. Dry cleaning solvents may damage the insulation of the heating element.
- Do not tuck in, pinch, or fold the heating wires.
- Ensure the controller is not covered or placed under the blanket during operation to prevent overheating.
- This blanket is equipped with an NTC overheating protection function and is ETL & FCC certified for advanced safety.
3. Package Contents
- COZYTY Heated Electric Blanket (Full Size: 72" x 84")
- Digital Controller(s) with 14.27ft Power Cord
- User Manual
4. Product Features
- Optimal Size & Fabric: Full size (72" x 84") made from ultra-soft, cozy, lightweight, skin-friendly, and breathable flannel.
- Fast Heating: Equipped with a digital display for intuitive control.
- 6 Heating Levels: Adjustable temperature from 86°F to 122°F.
- 1-10 Hours Auto-Off Timer: Customize shut-off time for safety and energy saving.
- Efficient Heat Distribution: Ensures uniform warmth without cold spots.
- Intelligent Overheat Protection: NTC overheating protection function for enhanced safety. ETL & FCC certified.
- Flexibility & Multi-Purpose: 14.27ft power cord allows use on sofa, bed, office, or study room.
- Machine Washable: Detachable controller for easy cleaning.
5. Setup
Follow these steps to set up your COZYTY Heated Electric Blanket:
- Unpack the Blanket: Carefully remove the blanket from its packaging. It may be vacuum-sealed and will expand once opened.
- Lay Flat: Spread the blanket evenly on your bed or desired surface, ensuring there are no folds or creases that could pinch the heating wires.
- Connect the Controller: Locate the connector port on the blanket. Firmly plug the controller's cord into this port until it clicks securely into place. For full-size blankets, there is typically one controller.
- Plug into Power Outlet: Insert the power cord plug into a standard 120V AC electrical outlet. Ensure the outlet is easily accessible for unplugging when not in use.

Image: The COZYTY Heated Electric Blanket in Dark Gray, laid flat on a bed, showcasing its full size and soft texture.
6. Operating Instructions
Your COZYTY Heated Electric Blanket features an intuitive digital controller for easy operation.

Image: Close-up of the smart digital controller, showing buttons for power, temperature adjustment, and timer, along with the digital display.
- Power On/Off: Press the power button (⏻) to turn the blanket on or off. The digital display will illuminate when powered on.
- Adjust Heating Level: Use the up (▲) and down (▼) arrows to select your desired heating level from 1 to 6. Level 1 is the lowest heat (86°F), and Level 6 is the highest (122°F).
- Set Auto-Off Timer: Press the timer button (◷) to cycle through the auto-off timer settings from 1 to 10 hours. The blanket will automatically shut off after the selected time. If no timer is set, the default auto-off is typically 10 hours for safety.
- Preheat Function: Press the "Preheat" button to quickly warm the blanket to a comfortable temperature before use.
For optimal comfort, it is recommended to preheat the blanket for 15-30 minutes before getting into bed.
7. Care and Maintenance
Proper care will extend the life of your heated blanket. Always detach the controller before washing.
- Machine Washable: The blanket is machine washable. Use a gentle cycle with cold water.
- Hand Washable: Can also be hand washed with mild detergent.
- Do Not Iron: Do not iron the blanket as this can damage the heating elements.
- Do Not Dry Clean: Avoid dry cleaning.
- Drying: Tumble dry on low heat or line dry. Ensure the blanket is completely dry before reconnecting the controller and using.

Image: Visual guide to care instructions, illustrating that the blanket is machine and hand washable, but should not be ironed or dry cleaned. A washing machine is shown in the background.
8. Troubleshooting
If you encounter issues with your COZYTY Heated Electric Blanket, please refer to the following common solutions:
- Blanket Not Heating:
- Ensure the power cord is securely plugged into both the blanket and the wall outlet.
- Check if the power outlet is functional by plugging in another appliance.
- Verify the controller is properly connected to the blanket.
- The auto-off timer may have expired. Reset the timer or power cycle the blanket.
- Controller Display Not Working:
- Ensure the blanket is plugged in and powered on.
- If the display shows an error code, refer to the specific error code section (if available in a more detailed manual) or contact customer support.
- Uneven Heating:
- Ensure the blanket is spread out flat without any folds or bunching.
- Allow sufficient time for the blanket to heat up evenly across its surface.
If problems persist, please contact COZYTY customer support for assistance.
9. Specifications
| Feature | Detail |
|---|---|
| Model Name | NHB-7284 |
| Brand | COZYTY |
| Size | Full 72" x 84" |
| Color | Dark Gray |
| Material | Flannel |
| Heating Levels | 6 (86°F to 122°F) |
| Auto-Off Timer | 1-10 Hours |
| Power Cord Length | 14.27 ft |
| Safety Certifications | ETL & FCC Certified |
| Product Weight | 5.41 pounds |
| Care Instructions | Machine Washable (Detachable Controller) |
10. Warranty and Support
COZYTY stands behind the quality of its products. For warranty information or technical support, please contact COZYTY customer service through the retailer's platform or visit the official COZYTY brand store online.
For the latest information and support, please visit the COZYTY Store on Amazon.
Related Documents - NHB-7284
![]() |
Navien NHB-H Condensing Boilers: Installation and Operation Manual Comprehensive guide for the installation and operation of Navien NHB-H series condensing boilers, covering safety, setup, maintenance, and troubleshooting for models NHB-055H, NHB-080H, NHB-110H, and NHB-150H. Includes technical specifications and system configurations. |
![]() |
GREE Multi Variable Air Conditioners Air Handler Type Indoor Unit Owner's Manual This owner's manual provides original instructions for GREE Multi Variable Air Conditioners, Air Handler Type Indoor Units, covering installation, operation, maintenance, and troubleshooting. Includes model details from GMV-ND12A/NhB-T(U) to GMV-ND60A/NhB-T(U). |
![]() |
Gree DC Inverter U-Match Series Service Manual - Troubleshooting and Wiring Diagrams This service manual provides troubleshooting guidance and detailed wiring diagrams for Gree DC Inverter U-Match Series air conditioning units, covering models such as GUD50W/NhB-S, GUD71W/NhB-S, and others. |
![]() |
NEXXT NHB-S614 RGBIC Neon Strip Light - Quick Setup Guide Learn how to set up and use your NEXXT NHB-S614 RGBIC Neon Strip Light with this quick setup guide. Control colors, schedules, and more via the Nexxt Home app. |
![]() |
GREE MultiPRO R32 Quick Reference Guide Quick reference guide for GREE MultiPRO R32 residential air conditioning systems, detailing outdoor units, indoor units, combination rules, control options, accessories, and refrigerant piping guidelines. |
![]() |
ETA DIGI VIENTO 7284: Návod k obsluze elektrické napařovací žehličky Kompletní návod k obsluze pro žehličku ETA DIGI VIENTO 7284. Zjistěte vše o funkcích, bezpečném používání, údržbě a řešení problémů s vaší napařovací žehličkou ETA. |
Ask a question about this manual
Ask about setup, troubleshooting, compatibility, parts, safety, or missing instructions. Manuals+ will review the question and use this page’s manual context to help answer it.





