Introduction
The Duluth Forge Ventless Natural Gas Log Set is designed to provide efficient and reliable heating with a realistic wood-burning appearance. This 18-inch model, DLS-N18T-2, operates on natural gas and features a thermostatic control for customized heat settings. The set includes hand-painted ceramic fiber logs that emulate the realism of a wood fire, focusing on bark and stacked wood elements.
This appliance is 99.9% efficient, requiring no outside duct or chimney. It is equipped with a Safety Pilot Oxygen Depletion Sensor (O.D.S.) for automatic shut-off, ensuring safety during operation. Please read this manual thoroughly before installation and use.
Important Safety Information
WARNING: Improper installation, adjustment, alteration, service, or maintenance can cause injury or property damage. Refer to this manual. For assistance or additional information, consult a qualified installer, service agency, or the gas supplier.
- This appliance is for indoor use only.
- Do not store or use gasoline or other flammable vapors and liquids in the vicinity of this or any other appliance.
- Installation and repair should be done by a qualified service person. The appliance should be inspected before use and at least annually by a qualified service person.
- Keep appliance area clear and free from combustible materials, gasoline, and other flammable vapors and liquids.
- Do not obstruct the flow of combustion and ventilation air.
- Ensure adequate ventilation in the room where the appliance is installed.
- A carbon monoxide alarm is recommended in the vicinity of the appliance.
Setup and Installation
The Duluth Forge Ventless Natural Gas Log Set is designed for straightforward installation. It must be installed in a masonry or agency-approved firebox. Ensure the firebox meets the minimum size requirements:
- Minimum Firebox Size Required: 20 inches H x 29 inches W in front (22 inches W at rear) x 13 inches D.
Component Identification
Your log set includes the U-Burner Chassis, 7 hand-painted ceramic fiber logs, and a hardware pack. One AAA battery is required for the battery-assisted Piezo ignition and is included.
Image Description: An exploded view showing the main components of the log set, including the gas burner chassis, hand-painted logs, thermostat control, Oxygen Depletion Sensor, and hardware pack.
Log Placement
Carefully place the ceramic fiber logs onto the burner chassis according to the instructions provided in the detailed manual. Each log is designed to fit in a specific position to ensure optimal flame appearance and heat distribution. Refer to the log placement diagram in your physical manual for precise arrangement.
Image Description: The Duluth Forge Ventless Natural Gas Log Set installed in a firebox, showcasing the realistic flames and stacked oak logs.
Gas Connection
Connect the log set to your natural gas supply. It is highly recommended that installation and gas connections be performed by a qualified gas professional to ensure safety and proper operation, and to maintain warranty validity.
Battery Installation for Ignition
The Piezo ignition system requires one AAA battery (included). Install the battery into the designated compartment, typically located near the ignition button on the burner chassis. Ensure correct polarity.
Operating Instructions
Follow these steps to safely operate your Duluth Forge Ventless Natural Gas Log Set:
Lighting the Pilot Flame
- Ensure the gas supply is open.
- Locate the control knob on the burner chassis.
- Press lightly on the control knob and turn it counter-clockwise to the "PILOT" position.
- While holding the control knob in, press the "IGNITION" button repeatedly until the pilot flame lights. You may need to hold the control knob in for 20-30 seconds after the pilot lights to allow the thermocouple to heat up.
- Once the pilot flame is stable, release the control knob. If the pilot goes out, repeat the process.
Image Description: A close-up view of the control panel on the gas log set, highlighting the 5 thermostatic heat settings and the electronic Piezo ignition button.
Igniting the Main Burner
- After the pilot flame is lit and stable, press lightly on the control knob and turn it counter-clockwise to the "ON" position.
- The main burner will ignite. Adjust the flame height and heat output using the control knob, which offers 5 thermostatic heat settings.
Thermostatic Control
The built-in thermostatic control automatically cycles the burner on and off to maintain a desired room temperature. Select your preferred heat setting using the control knob. The system will then regulate the heat output to keep your space comfortable.
Turning Off the Appliance
- To turn off the main burner, press lightly on the control knob and turn it clockwise to the "OFF PILOT" position.
- To completely shut off the gas supply to the appliance, turn the control knob fully clockwise to the "OFF" position.
Maintenance
Regular maintenance ensures the longevity and safe operation of your log set.
- Annual Inspection: Have the appliance inspected at least annually by a qualified service person.
- Cleaning:
- Keep the burner and control compartment clean.
- Dust and debris can affect performance. Use a vacuum cleaner or soft brush to remove dust.
- Do not use abrasive cleaners or harsh chemicals on the logs or metal components.
- The ceramic fiber logs are delicate; handle them with care to avoid breakage.
- Pilot and Burner Ports: Periodically check the pilot and burner ports for any obstructions. Clear any blockages to ensure proper flame patterns.
Troubleshooting
If you encounter issues with your log set, refer to the following common troubleshooting tips. For persistent problems, contact a qualified service technician.
| Problem | Possible Cause | Solution |
|---|---|---|
| Pilot will not light or stay lit. | No gas supply, air in gas line, thermocouple not heating, pilot orifice clogged, low battery for ignitor. | Check gas supply valve. Bleed air from gas line. Hold control knob longer after pilot lights. Clean pilot orifice. Replace AAA battery. |
| Main burner will not light. | Pilot not lit, main burner orifice clogged, gas pressure issue. | Ensure pilot is lit. Clean main burner orifice. Consult a gas professional to check gas pressure. |
| Flames are yellow or sooty. | Improper log placement, burner ports clogged, inadequate ventilation. | Verify logs are placed correctly per manual. Clean burner ports. Ensure room has proper ventilation. |
| Unit cycles on/off frequently (Thermostat). | Room temperature reached set point, thermostat sensor obstructed. | This is normal operation for thermostatic control. Ensure thermostat sensor is clear of obstructions. |
| Carbon Monoxide Alarm sounds. | IMMEDIATELY VENTILATE THE AREA. | Turn off the appliance and ventilate the area. Do not operate until the cause is identified and corrected by a qualified service person. Ensure proper room ventilation. |
Product Specifications
- Brand: Duluth Forge
- Model Name: DLS-N18T-2
- Fuel Type: Natural Gas
- Heat Output: 30,000 BTUs
- Heating Coverage: Up to 1,100 sq. ft.
- Product Dimensions: 18"D x 13"W x 12.5"H
- Material: Ceramic, Metal
- Finish Type: Painted
- Installation Type: Floor Mount
- Special Features: Adjustable Thermostat, Dual Burner, Overheat Protection, Safety Shut Off (Oxygen Depletion Sensor)
- Ventilation Type: Vent Free (No chimney or duct required)
- Included Components: Burner, 7 Hand-Painted Ceramic Fiber Logs, User Manual, Hardware Pack
- Ignition: Battery Assisted Piezo ignition (1 AAA battery included)
- Safety Certifications: ANSI Certified System, PFS Approved
- Item Weight: 23.9 pounds
- UPC: 815192024518
Warranty and Support
This Duluth Forge Ventless Natural Gas Log Set comes with a Limited Warranty. For specific details regarding the warranty period and coverage, please refer to the warranty card included with your product or contact the manufacturer directly.
Manufacturer: Factory Buys Direct
For technical support, replacement parts, or warranty claims, please contact Factory Buys Direct customer service. Professional installation by a qualified gas professional is recommended to ensure proper operation and may be required to maintain warranty validity.
