1. Safety Information
Read and understand all safety warnings and instructions before operating this heater. Failure to follow these instructions may result in fire, explosion, electric shock, property damage, personal injury, or death.
- Ventilation: This is a direct-fired heater. Adequate ventilation is absolutely critical to prevent oxygen depletion and carbon monoxide poisoning. Operate only in well-ventilated areas.
- Fuel: Use only the type of gas specified for this heater. Ensure all fuel connections are secure and leak-free.
- Electrical: Connect the heater to a properly grounded electrical supply of the correct voltage and amperage. Do not use extension cords unless specifically rated for the heater's power requirements.
- Clearances: Maintain minimum clearances from combustible materials as specified in the installation section.
- Carbon Monoxide: Carbon monoxide is an odorless, colorless gas that can cause death. Always use a carbon monoxide detector when operating this heater.
- Professional Installation: Installation and service should be performed by a qualified service agency.
- Children and Pets: Keep children and pets away from the heater during operation.
2. Product Overview
The Heat Wagon Direct Fired Gas Heater is a high-capacity, portable heating unit designed for industrial and commercial applications requiring significant heat output. It is capable of operating on various voltages and is ductable for directed heat distribution.

Figure 2.1: Heat Wagon Direct Fired Gas Heater. This image displays the Heat Wagon Direct Fired Gas Heater, a robust, white cylindrical unit designed for industrial heating. It features a control panel mounted on top, a fuel line assembly along its side, and wheels for portability. The large opening at the front indicates the air intake/output.
3. Setup and Installation
3.1 Unpacking
- Carefully remove the heater from its packaging.
- Inspect for any shipping damage. Report any damage to the carrier immediately.
- Ensure all components listed in the packing list are present.
3.2 Placement
- Place the heater on a firm, level, non-combustible surface.
- Ensure adequate clearance from all combustible materials. Refer to local codes and manufacturer specifications for exact distances.
- Position the heater in an area with sufficient fresh air supply to support combustion and prevent oxygen depletion.
3.3 Fuel Connection
- Connect the appropriate gas supply (Natural Gas or Propane, depending on heater configuration) to the heater's inlet.
- Use only approved gas hoses and fittings.
- Check all connections for leaks using a soap solution. Never use an open flame to check for leaks.
3.4 Electrical Connection
- Connect the heater to a dedicated, grounded electrical circuit matching the heater's voltage requirements (208V, 240V, or 480V).
- Ensure the circuit breaker or fuse is appropriately sized for the heater's amperage draw.
- Do not bypass any safety devices or use damaged power cords.
3.5 Ducting (Optional)
- If ducting is used, ensure it is properly secured to the heater's outlet.
- Use only approved, heat-resistant ducting material.
- Avoid kinks or sharp bends in the ducting that could restrict airflow.
4. Operating Instructions
4.1 Pre-Operation Checks
- Verify all safety precautions are in place.
- Confirm fuel supply is connected and turned on.
- Ensure electrical power is connected.
- Check for any obstructions around the heater's air intake or outlet.
- Confirm adequate ventilation is present.
4.2 Starting the Heater
- Turn on the main power switch on the heater's control panel.
- Set the thermostat to the desired temperature.
- The heater will initiate its ignition sequence. This typically involves a pre-purge cycle, ignition, and flame sensing.
- Once ignited, the fan will start, and heated air will be discharged.
4.3 Adjusting Heat Output
Heat output is primarily controlled by the thermostat setting. Some models may feature variable BTU output controls; refer to your specific model's control panel for details.
4.4 Shutting Down
- Turn the thermostat to its lowest setting or OFF.
- Turn off the main power switch on the control panel.
- Close the manual gas shut-off valve at the fuel supply.
- Allow the heater to cool down completely before moving or storing.
5. Maintenance
Regular maintenance ensures efficient and safe operation of your heater. Always disconnect power and fuel supply before performing any maintenance.
5.1 Daily Checks
- Inspect for any visible damage or leaks.
- Ensure air intake and exhaust are clear of obstructions.
- Verify proper flame appearance (steady blue flame).
5.2 Weekly/Monthly Checks
- Clean the exterior of the heater.
- Check electrical connections for tightness and signs of wear.
- Inspect fuel lines and fittings for cracks or deterioration.
5.3 Annual Service
- Have a qualified technician inspect and clean the burner assembly, heat exchanger, and ignition system.
- Check and calibrate safety controls.
- Inspect fan motor and bearings.
6. Troubleshooting
Before attempting any repairs, ensure the heater is disconnected from power and fuel supply. For complex issues, contact a qualified service technician.
| Problem | Possible Cause | Solution |
|---|---|---|
| Heater does not start | No electrical power; No fuel supply; Thermostat set too low; Safety lockout engaged. | Check power connection and circuit breaker; Ensure gas supply is open; Adjust thermostat; Reset heater by cycling power. |
| Heater ignites but shuts off quickly | Insufficient fuel pressure; Faulty flame sensor; Inadequate ventilation. | Verify fuel pressure; Clean or replace flame sensor; Improve ventilation. |
| Poor heat output | Restricted airflow; Incorrect fuel pressure; Dirty burner. | Check for obstructions in ducting/intake; Verify fuel pressure; Clean burner assembly. |
| Unusual noises or odors | Loose components; Gas leak; Fan issue. | Shut down immediately and inspect; Check for gas leaks (if gas odor); Contact service technician. |
7. Specifications
| Feature | Detail |
|---|---|
| Brand | Heat Wagon |
| Model | Direct Fired Gas Heater |
| Heat Output | 2,000,000 BTU |
| Voltage Options | 208V, 240V, 480V |
| Mounting Type | Floor Mount (Portable with wheels) |
| Item Weight | 480 pounds |
| Approximate Dimensions (L x W x H) | 80 x 48 x 48 inches (Package Dimensions) |
| ASIN | B01KUYYT3Y |
8. Warranty and Support
For specific warranty information, please refer to the documentation provided with your purchase or contact Heat Wagon customer support directly. Keep your purchase receipt as proof of purchase.
For technical assistance, parts, or service, please contact Heat Wagon customer service. Provide your model number and ASIN (B01KUYYT3Y) when contacting support to ensure efficient service.