1. Introduction
Thank you for choosing the Wapaneus Diamond Quilted Heated Mattress Pad. This manual provides essential information for the safe and efficient operation, maintenance, and care of your new product. Please read all instructions carefully before use and retain this manual for future reference.
This Full size electric heated mattress pad features 10 heat settings, a 1-12 hour timer with auto-off functionality, and a deep pocket design to fit mattresses up to 18 inches. Constructed with soft microfiber, it is designed to provide warmth and comfort.
2. Important Safety Information
WARNING: To reduce the risk of burns, electric shock, fire, or injury, this product must be used in accordance with the following instructions.
- Always unplug the mattress pad when not in use.
- Do not place heavy objects on the pad or allow it to come into contact with sharp objects.
- Keep the pad away from water and never use it while sleeping alone.
- Do not use if damaged or malfunctioning.
- Keep out of reach of children and pets.
- Do not stack electric blankets or heated products.
- Always remember to turn off the power when leaving the room.
This product is ETL certified, ensuring high standards of performance and safety. It includes overheat protection and short-circuit protection for your peace of mind.

Text Description for Figure 1: This image displays a close-up of the mattress pad fabric with ETL and FC certification logos, along with an icon indicating overheat protection. The text 'Warm And Reliable' is prominently featured, emphasizing the safety and comfort aspects of the product.
3. Setup Instructions
- Unpack the heated mattress pad and controller from its packaging.
- Place the mattress pad directly on your mattress, ensuring it is centered and flat.
- Secure the mattress pad to your mattress using the deep pocket skirt. The elasticized skirt is designed to fit mattresses up to 18 inches deep, providing a snug and secure fit.
- Locate the hidden connector on the underside of the mattress pad. Insert the power plug through the hole and connect it to the socket before making the bed.
- Route the controller cord to a convenient location near your bed, ensuring it does not interfere with movement or become a tripping hazard.
- Plug the power cord into a standard electrical outlet.
Text Description for Figure 2: This image illustrates the hidden connector located beneath the mattress pad, designed for safety and convenience. It also highlights the 18-inch deep pocket, demonstrating how the elasticized skirt securely fits around a mattress.
Text Description for Video 1: This video, provided by Valthie, demonstrates the setup process of a heated mattress pad, including how to place it on the bed and connect the controller. It also showcases various features such as heat settings and timer functions.
Text Description for Video 2: This short video from Nanyuan Beizhe provides a quick visual guide on installing the heated mattress pad, highlighting its deep pocket design and ease of placement on a bed.
4. Operating Instructions
The controller allows you to customize your warmth and usage duration. The mattress pad offers 10 heat settings and a 1-12 hour timer.
- Power On/Off: Press the 'ON/OFF' button to turn the mattress pad on or off.
- Adjust Heat Settings: Use the 'Temp' buttons (up/down arrows) to select your desired heat level from 1 to 10. The temperature range is approximately 95℉ to 113℉.
- Set Timer: Press the 'Timer' button to set the auto-off duration from 1 to 12 hours. The pad will automatically shut off after the selected time.
- Automatic Pre-heat: When first turned on, the pad will automatically go to the highest heat setting for the first hour to quickly warm the bed. If no adjustments are made, it will then switch to level 4 for the remaining 2 hours before automatically shutting off.
Text Description for Figure 3: This image shows a close-up of the white, round temperature controller for the heated mattress pad. It features a digital display showing '10' for heat settings, and buttons for 'ON/OFF', 'Temp' adjustment, 'Comfort', and 'Timer'. The text indicates 10 heating levels, 1-12 hours time settings, and a 15ft control line.
Text Description for Figure 4: This diagram illustrates the layered construction of the heated mattress pad, showing the heating wires embedded between layers of microfiber, polyester, and non-woven fabric, designed for even heat distribution and comfort.
5. Maintenance and Care
Washing Instructions:
- Before washing, always remove the heating controller and unplug the power cord.
- The heated mattress pad can be machine washed or hand washed.
- Wash in water below 30℃ (86℉) on a gentle cycle.
- Do not bleach or dry clean.
Drying Instructions:
- Preheat the dryer on the "low" temperature setting for 2 minutes.
- Place the mattress pad into the dryer and tumble dry for 10 minutes at a low temperature.
- Remove the mattress pad while it is still damp and gently stretch it to its original size.
- Drape the heated product over a clothesline or a shower rod, but DO NOT use clothespins!
- The heated product must be COMPLETELY dry before reconnecting the power plug or control plug.
Text Description for Figure 5: This image highlights the machine washable aspect of the heated mattress pad, showing it being placed into a washing machine, emphasizing its easy maintenance.
Text Description for Figure 6: This image features a hand gently touching the diamond-quilted surface of the mattress pad, illustrating its soft and skin-friendly microfiber material.
6. Troubleshooting
- Pad Not Heating: Ensure the power cord is securely plugged into both the mattress pad and a functional electrical outlet. Check that the controller is properly connected to the pad.
- Controller Display Not Working: Verify the power connection. If the issue persists, try plugging into a different outlet.
- Uneven Heating: Ensure the mattress pad is spread flat on the bed without any folds or bunched areas.
- Automatic Shut-off: The pad has a built-in timer (1-12 hours) and safety features that may cause it to shut off automatically. If it shuts off unexpectedly, check the timer setting and ensure there are no safety concerns (e.g., overheating, heavy objects).
If you encounter any quality-related issues or problems not covered here, please refer to the 'Warranty and Support' section for contact information.
7. Specifications
| Feature | Detail |
|---|---|
| Product Dimensions | 54 x 75 x 18 inches |
| Item Weight | 4.84 pounds |
| Model Number | HLMP-TC-HYT-F |
| Material | Microfiber |
| Heat Settings | 10 (95℉-113℉) |
| Timer Settings | 1-12 Hours (Auto-Off) |
| Deep Pocket Fit | Up to 18 inches |
| Certifications | ETL Listed |
8. Warranty and Support
For any quality-related issues or inquiries, please contact Wapaneus customer service directly. We are committed to providing a satisfactory solution within 24 hours.
Please note that protection plans may be available for purchase separately from third-party providers. For details on these plans, please refer to the respective provider's documentation.