1. Introduction
Thank you for choosing the Dimplex CFP3685 20" Trimless Electric Fireplace. This robust fireplace, influenced by the Arts & Crafts design movement, features a rich amaretto finish and a patented, life-like flame effect. It is designed to complement any interior while providing on-demand heat for areas up to 400 sq. ft. This manual provides essential information for the safe and efficient operation of your electric fireplace.

Image: The Dimplex CFP3685 electric fireplace, showcasing its wooden mantle, trimless firebox, and the realistic flame effect.
2. Important Safety Information
Please read all instructions before installing or using this fireplace. Failure to follow these instructions may result in electric shock, fire, or personal injury.
- Always disconnect power before performing any service or cleaning.
- Do not operate any fireplace with a damaged cord or plug, or if the heater has malfunctioned or been dropped/damaged.
- Keep combustible materials, such as furniture, pillows, bedding, papers, clothes, and curtains at least 3 feet (0.9 m) from the front of the heater.
- This fireplace is hot when in use. To avoid burns, do not let bare skin touch hot surfaces. The glass stays cool-to-touch.
- Do not insert or allow foreign objects to enter any ventilation or exhaust opening as this may cause an electric shock or fire, or damage the heater.
- This electric fireplace produces no carbon monoxide or emissions.
3. Setup
The Dimplex CFP3685 is a freestanding electric fireplace designed for easy placement.
- Unpacking: Carefully remove the fireplace from its packaging. Retain packaging for future storage or transport.
- Placement: Position the fireplace on a flat, stable surface. Ensure there is adequate clearance from walls and other objects for proper ventilation. The dimensions are approximately 36" (H) x 36-1/4" (W) x 11-3/4" (D).
- Power Connection: Plug the fireplace into a standard 120 Volt, 15 Amp grounded outlet. Do not use extension cords or power strips.
4. Operating Instructions
Your Dimplex electric fireplace can be operated using the controls on the unit or the included on/off remote control.
- Power On/Off: Use the main power switch on the unit or the ON/OFF button on the remote control to turn the fireplace on or off.
- Flame Effect: The patented, life-like flame effect can operate independently of the heat function. Activate or deactivate the flame effect using the dedicated button on the unit or remote.
- Heat Function: The fireplace provides on-demand heat with thermostat control. It can warm a room or area of up to 400 sq. ft. Use the heat control buttons on the unit or remote to adjust the desired temperature. The heater will cycle on and off to maintain the set temperature.
- Remote Control: The included remote control allows for convenient operation of the power, flame, and heat settings from a distance. Ensure the remote has working batteries.
5. Maintenance
Regular maintenance ensures the longevity and optimal performance of your fireplace.
- Cleaning: Before cleaning, always turn off the fireplace and disconnect it from the power outlet. Use a soft, damp cloth to wipe down the exterior surfaces. Do not use abrasive cleaners or solvents.
- Air Intake/Outlet: Periodically check and clean the air intake and outlet vents to ensure they are free from dust and debris, which can impede airflow and heating efficiency.
- Light Bulbs: The flame effect uses light bulbs. Refer to the specific bulb replacement instructions in the full product manual (if applicable) or contact customer support for guidance on replacing bulbs.
6. Troubleshooting
If you experience issues with your fireplace, refer to the following common problems and solutions:
- No Power: Ensure the fireplace is securely plugged into a working 120V outlet. Check the circuit breaker.
- No Flame Effect: Verify the flame effect button is activated. Check if the light bulbs need replacement.
- No Heat: Ensure the heat function is turned on and the thermostat is set above the current room temperature. Check if the air intake/outlet vents are obstructed.
- Remote Control Not Working: Check and replace the batteries in the remote control. Ensure there are no obstructions between the remote and the fireplace.
If problems persist after attempting these solutions, please contact Dimplex customer support.
7. Specifications
| Feature | Detail |
|---|---|
| Model | CFP3685 |
| Dimensions (H x W x D) | 36" x 36-1/4" x 11-3/4" |
| Firebox Size | 20" Trimless Electric Firebox |
| Voltage | 120 Volts |
| Wattage | 1,440 Watts |
| BTUs | 4,915 BTUs |
| Heating Area | Up to 400 sq. ft. |
| Fuel Type | Electric |
| Installation Type | Freestanding |
| Control | On/Off Remote Control Included |
8. Warranty and Support
Dimplex products are manufactured to the highest quality standards. For specific warranty information regarding your CFP3685 electric fireplace, please refer to the warranty card included with your product or visit the official Dimplex website. For technical support, replacement parts, or any inquiries not covered in this manual, please contact Dimplex customer service through their official channels.





