Introduction
This manual provides essential instructions for the safe and effective use, setup, operation, maintenance, and troubleshooting of your Sunbeam Restful Heated Mattress Pad. Please read all instructions carefully before use and retain this manual for future reference.
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.
- Do not use with infants, children, incapacitated individuals, or persons insensitive to heat.
- Do not use with a damaged cord or plug.
- Do not use with other heating devices.
- Ensure the controller is not covered or placed under bedding during operation.
- Always unplug the mattress pad when not in use.
- Do not dry clean. Dry cleaning solvents may damage the insulation of the heating unit.
- Do not use pins or other metallic objects with this product. They may damage electrical wiring.
- This product is for household use only.
Package Contents
- Sunbeam Restful Heated Mattress Pad (Twin Size)
- Digital Controller(s) (Twin size typically includes one controller)
- User Manual (This document)
Setup Instructions
Unpack the Mattress Pad:
Carefully remove the heated mattress pad and controller(s) from the packaging. Unroll the mattress pad and lay it flat on your bed to allow any creases to relax.

Image: The Sunbeam Restful Heated Mattress Pad, folded, with its digital controller showing a temperature reading.
Position the Mattress Pad:
Place the heated mattress pad directly on top of your mattress. Ensure the connector for the controller is positioned at the foot of the bed, where it will not interfere with sleeping. The built-in skirt stretches to fit mattresses up to 16 inches deep.

Image: A heated mattress pad fitted onto a mattress, with an arrow indicating it fits depths up to 16 inches.
Connect the Controller:
Locate the connector on the mattress pad and the corresponding plug on the controller cord. Firmly push the controller plug into the mattress pad connector until it clicks securely into place. Ensure the connection is snug to prevent accidental disconnection during use.

Image: A hand holding the digital controller, highlighting its display and control buttons for heat settings and auto-off timer.
Plug into Power Outlet:
Plug the power cord from the controller into a 120V AC electrical wall outlet. Do not use with extension cords or power strips.
Cover with Sheet:
Place your fitted sheet over the heated mattress pad. This helps to protect the pad and distribute heat evenly.
Operating Instructions
Your Sunbeam Restful Heated Mattress Pad features a digital controller for easy temperature and timer adjustments.
Turning On/Off:
Press the Power Button (usually a circular button with a power symbol) on the controller to turn the mattress pad on or off. The display will illuminate when the unit is on.
Adjusting Heat Settings:
Use the Temperature Up/Down Buttons (often marked with wavy lines or arrows) to select your desired heat level. There are 12 heat settings available. Start with a lower setting and adjust as needed for comfort.

Image: A heated mattress pad laid out on a bed, illustrating its function to provide warmth for comfortable sleep.
Setting the Auto Shut-Off Timer:
Press the Timer Button (often marked with a clock symbol or "Auto Off") to cycle through the available auto shut-off times, from 1 to 12 hours. The display will show the selected duration. The pad will automatically turn off after the set time has elapsed, providing peace of mind.
Pre-heating:
For optimal warmth, turn on the mattress pad approximately 15-30 minutes before getting into bed. This allows the pad to reach your desired temperature.
Care and Maintenance
Proper care ensures the longevity and safe operation of your heated mattress pad.
Before Cleaning:
Always unplug the power cord from the wall outlet and detach the controller(s) from the mattress pad before washing. Ensure the connectors are completely dry before reattaching.

Image: A washing machine in a laundry room, with an inset showing a hand unplugging the controller from the mattress pad, emphasizing easy care and machine washability.
Washing Instructions:
- Machine wash on a gentle cycle in cold water (maximum 30°C / 86°F).
- Do not bleach.
- Do not dry clean.
- Use a small amount of mild detergent.
Drying Instructions:
- Tumble dry on low heat or air dry.
- Ensure the mattress pad is completely dry before reconnecting the controller and plugging it back in.
- Do not iron.
Storage:
When not in use, store the mattress pad and controller(s) in their original packaging or a breathable bag in a cool, dry place. Avoid placing heavy objects on the pad during storage to prevent damage to the internal wiring.

Image: The mattress pad rolled up, highlighting its non-woven polyester top material.
Troubleshooting Guide
| Problem | Possible Cause | Solution |
|---|---|---|
| Mattress pad does not heat. |
|
|
| Controller display shows an error code (e.g., "F1"). |
|
|
| Pad heats unevenly or too hot/cold. |
|
|
If you experience any issues not covered here, or if troubleshooting steps do not resolve the problem, please contact Sunbeam Customer Support.
Product Specifications
| Brand | Sunbeam |
| Model Number | MSU1GTS-N000-11A00 |
| Size | Twin (39" x 75" x 16" depth fit) |
| Color | White |
| Material | 100% Polyester (Non-Woven) |
| Heat Settings | 12 |
| Auto Shut-Off | 1 to 12 hours (selectable) |
| Care Instructions | Machine Washable, Dryer Safe |
| Power | 120V AC (Standard Household Outlet) |
| Item Weight | Approximately 1 pound |
| UPC | 694501118816, 027045749602 |

Image: Diagram showing the dimensions of a Twin size mattress pad: 75 inches in length and 39 inches in width.
Warranty and Customer Support
This Sunbeam Restful Heated Mattress Pad is covered by a 5-Year Limited Warranty by the manufacturer. Please refer to the warranty card included with your product for full terms and conditions.
For warranty claims, technical assistance, or general inquiries, please contact Sunbeam Customer Support:
- Website: www.sunbeam.com (or refer to product packaging for specific contact details)
- Phone: Refer to product packaging or website for regional contact numbers.
When contacting support, please have your model number (MSU1GTS-N000-11A00) and proof of purchase available.





