Duluth Forge DFS-400R-2AC Dual Fuel Ventless Gas Fireplace with Remote Control User Manual

1. Introduction and Overview

The Duluth Forge DFS-400R-2AC is a dual fuel ventless gas fireplace system designed to provide efficient heating and a realistic flame experience. This unit features a furniture-quality mantel in an Auburn Cherry finish and a vent-free gas fireplace insert. It is capable of producing up to 32,000 BTU of heat, sufficient for heating areas up to 1,500 square feet. The system operates on either natural gas or liquid propane and includes a remote control for convenient operation. The realistic fiber ceramic logs enhance the aesthetic appeal, creating a warm and inviting atmosphere.

Figure 1: Duluth Forge DFS-400R-2AC Dual Fuel Ventless Gas Fireplace.

2. Safety Information

WARNING: This product can expose you to chemicals including Carbon Monoxide, which is known to the State of California to cause birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

This appliance is equipped with an Oxygen Depletion Sensor (ODS) that automatically shuts off the unit if oxygen levels in the room fall below a safe threshold. Always ensure adequate ventilation when operating the fireplace. Do not obstruct the air intake or exhaust vents. Regular inspection of the unit and its components is recommended to ensure safe operation.

3. Product Features

• Ventless Dual Fuel Technology: Operates on either Natural Gas or Liquid Propane, offering flexibility in fuel choice.
• High Heat Output: Delivers up to 32,000 BTU, capable of heating up to 1,500 sq. ft.
• Remote Control: Includes a remote with an LCD screen for convenient on/off, temperature control, and thermostat settings.
• Realistic Flame Pattern: Features 6 hand-painted ceramic fiber logs for an authentic fire appearance.
• Elegant Mantel Design: Auburn Cherry finish with furniture-grade detailing, including dual moldings and light distressing.
• Safety Assurance: Equipped with an O.D.S. (Oxygen Depletion Sensor) and battery-assisted Piezo ignition.
• Efficient Operation: 99.9% efficient, requiring no outside duct or chimney.

Figure 2: Realistic ceramic logs and flame pattern.

4. Setup & Installation

Some assembly of the mantel is required. For gas line connection and initial setup, it is highly recommended to consult a qualified professional to ensure proper and safe installation according to local codes and regulations. The unit includes the gas burner, ceramic logs, iron grate, 1 AAA battery, remote control, and receiver.

4.1 Component Identification

• Fireplace Mantel (Auburn Cherry)
• Vent-Free Gas Fireplace Insert (Model FDF400RT-ZC)
• Ceramic Fiber Logs (6 hand-painted, numbered for placement)
• Iron Grate
• Remote Control with LCD screen
• Remote Receiver/Sensor Box
• 1 AAA Battery (for remote)

Figure 3: Key components of the Duluth Forge fireplace system.

4.2 Clearance Requirements

Ensure a minimum clearance of 42 inches from the top of the fireplace to the ceiling for safe operation.

Figure 4: Fireplace dimensions for proper placement.

5. Operating Instructions

The fireplace can be operated using the included remote control or manually via the sensor switch box.

5.1 Remote Control Operation

The remote control allows you to turn the fireplace on and off, adjust the temperature, and set thermostat modes. The LCD screen displays the current room temperature.

• ON/OFF: Press the 'ON' button to ignite the fireplace. Press the 'OFF' button to turn it off.
• Temperature Control: Use the temperature up/down buttons (if available, or cycle through modes) to set your desired room temperature. The fireplace will automatically adjust its operation to maintain this setting.
• MODE: Cycle through different operating modes, such as manual on/off or thermostat control, to set specific temperature thresholds for automatic operation.

Figure 5: Remote control for the fireplace.

5.2 Manual Operation

In case the remote control is unavailable or its batteries are depleted, the fireplace can be manually operated using the sensor switch box located near the unit. This box typically has an ON/OFF/REMOTE switch. Set it to 'ON' for continuous operation or 'OFF' to shut down. Set to 'REMOTE' for remote control functionality.

6. Maintenance

Regular maintenance ensures the longevity and safe operation of your fireplace.

• Cleaning: Periodically clean the exterior of the fireplace and mantel with a soft, damp cloth. Do not use abrasive cleaners.
• Log Inspection: Inspect the ceramic logs for any cracks or damage. Ensure they are correctly positioned as per the installation instructions.
• Pilot Light/Burner: Keep the pilot light and burner area free from dust and debris. If the pilot light frequently goes out, consult a professional.
• Battery Replacement: Replace the remote control batteries (4 AA batteries) as needed to ensure proper functionality.

7. Troubleshooting

If you encounter issues with your fireplace, refer to the following common troubleshooting steps:

• Fireplace not igniting: Check if the gas supply is on. Ensure the remote control batteries are fresh and correctly inserted. Verify the manual switch on the sensor box is set to 'ON' or 'REMOTE'.
• Pilot light not staying lit: This could indicate an issue with the ODS or gas pressure. Contact a qualified technician for inspection.
• No heat output: Confirm the unit is set to a heating mode and the desired temperature is above the current room temperature.
• Unusual odors: A slight odor may be present during initial use. If strong or persistent odors occur, turn off the unit and ventilate the area. Contact a professional if the odor persists.

8. Specifications

9. Warranty & Support

This product is manufactured by Factory Buys Direct. For warranty information, technical support, or assistance with parts, please contact Factory Buys Direct customer service. You can often find contact details on the manufacturer's website or through the retailer where the product was purchased.

For general customer support, you may visit the Duluth Forge Store on Amazon.