1. Important Safety Information
Please read and understand all safety instructions before operating the CO2 Jet Smoke Machine. Failure to follow these instructions may result in injury or damage to the equipment.
- Use only medical or edible grade liquid carbon dioxide (CO2) gas. Industrial CO2 may contain impurities.
- Ensure adequate ventilation in the operating area to prevent CO2 accumulation, which can displace oxygen.
- Do not point the nozzle directly at people, animals, or sensitive equipment. Maintain a safe distance from the spray area.
- Ensure all gas hose and electrical connections are secure and leak-free before operation.
- Operate the machine only in dry conditions. Avoid exposure to moisture or liquids.
- Professional installation and operation are recommended for stage equipment.
- Always close the CO2 tank valve before disconnecting the hose or performing any maintenance.
- Keep children and unauthorized personnel away from the machine during operation.
2. Product Overview
The LIANDU-US CO2 Jet Smoke Machine is designed for stage special effects, producing a column of white gas. It features a durable iron construction with a baking paint finish and a high-pressure resistant resin hose. The machine supports DMX512 control for integration into professional lighting setups, offering a powerful and adjustable spray effect.
Key Features
- Durable iron construction with baking paint treatment for wear and impact resistance.
- Equipped with a 20ft high-pressure resistant resin hose for flexible placement.
- Supports DMX512 control for precise integration into stage lighting systems, alongside manual power on/off.
- Double nozzle design for a stronger and more impactful CO2 spray effect.
- Adjustable nozzle angle allows for wider fog coverage and optimized spraying.
- Features an LED power indicator and a display for DMX address code adjustment.
Package Contents
- 1 x CO2 Column Fog Machine
- 1 x DMX Cord
- 1 x Hose
- 1 x Power Cord

Image: The CO2 Jet Smoke Machine shown with its complete set of accessories, including the DMX cord, hose, and power cord.
3. Technical Specifications
| Model Number | AC110V150W |
| Brand | LIANDU-US |
| Power | 150W |
| Voltage | 110V 60Hz |
| Air Pressure | 6MPa |
| Use Medium | Liquid Carbon Dioxide Gas (Medical & Edible) |
| Control Method | DMX512 and Power Supply (Manual) |
| Spray Height | 16-20 ft |
| Hose Length | 20 ft |
| Product Dimensions (L x W x H) | 9.5'' x 5'' x 9'' |
| Item Weight | 10 Pounds |
| Material | Iron (Machine Body), Resin (Gas Hose) |

Image: The CO2 Jet Smoke Machine with its key dimensions labeled for reference.
4. Setup Instructions
Follow these steps to properly set up your CO2 Jet Smoke Machine:
- Placement: Place the machine in the desired operating position on a stable, level surface. Ensure there is sufficient space around the unit for ventilation and safe operation.
- Connect Gas Hose to CO2 Tank: Connect one end of the provided 20ft gas hose to your liquid CO2 tank. Ensure a secure, leak-free connection.
- Connect Gas Hose to Machine: Connect the other end of the gas hose to the CO2 input port on the machine. Tighten securely to prevent gas leaks.

Image: The high-pressure resin gas hose with secure fittings for connecting to the CO2 tank and machine.
- DMX Connection (Optional): If using DMX control, connect a DMX cable from your DMX controller to the DMX IN port on the machine. If linking multiple units, connect from the DMX OUT port of the first machine to the DMX IN of the next.
- Power Connection: Connect the power cord to the machine's power input and then to a compatible 110V 60Hz power outlet.

Image: Close-up view of the machine's control panel, showing DMX IN/OUT, Power IN/OUT, and the DMX address display.
- Open CO2 Tank Valve: Slowly open the valve on the liquid CO2 gas bottle. Listen for any hissing sounds indicating a leak and tighten connections if necessary.
5. Operating Instructions
Once the machine is set up and the CO2 tank valve is open, you can begin operation:
- Power On: Flip the main power switch on the machine to the 'ON' position. The LED power light will illuminate blue, indicating the machine is receiving power.
- DMX512 Control:
- Use the 'UP' and 'DOWN' buttons on the machine's control panel to set the desired DMX address.
- Control the CO2 jet effect through your DMX controller on the assigned DMX channel. Refer to your DMX controller's manual for specific programming.
- Manual Operation: If not using DMX, you can activate the CO2 jet manually by pressing the dedicated ON/OFF switch on the machine. Press once to activate the spray, and press again to stop.
- Adjust Spray Angle: The angle of the nozzles can be manually adjusted to direct the CO2 spray for optimal coverage and effect.
- Power Off: After use, first close the valve on the CO2 gas bottle. Allow any residual gas in the hose to dissipate, then turn off the main power switch on the machine.
6. Maintenance
Regular maintenance ensures the longevity and safe operation of your CO2 Jet Smoke Machine:
- Hose Inspection: Regularly inspect the gas hose for any signs of wear, cracks, kinks, or damage. Replace the hose immediately if any damage is observed.
- Connection Checks: Before each use, verify that all gas and electrical connections are tight and secure.
- Cleaning: Keep the machine clean and free from dust and debris. Use a soft, dry cloth for cleaning the exterior. Do not use abrasive cleaners or solvents.
- Storage: When not in use, store the machine in a dry, cool, and well-ventilated area, away from direct sunlight and extreme temperatures.
- Professional Service: Do not attempt to disassemble or repair the machine yourself. Contact qualified service personnel for any repairs or internal maintenance.
7. Troubleshooting
Refer to the table below for common issues and their solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| No CO2 spray | CO2 tank valve closed; hose not connected securely; machine not powered on; DMX signal issue or manual switch off. | Open CO2 tank valve. Verify all hose connections are secure. Ensure machine is powered on. Check DMX signal or manual switch position. |
| Weak CO2 spray | Low CO2 pressure in tank; partial blockage in nozzle or hose. | Ensure sufficient CO2 pressure in the tank (replace if empty). Check for any visible blockages in the nozzle or hose. |
| DMX control not working | Incorrect DMX cable connection; wrong DMX address set; DMX controller malfunction. | Verify DMX cable connections (IN/OUT). Check DMX address setting on the machine. Ensure DMX controller is functioning correctly. |
| Power indicator off | Power cord not connected; power outlet issue; main power switch off. | Check power cord connection to machine and outlet. Test power outlet with another device. Ensure the main power switch is in the 'ON' position. |
8. Warranty and Customer Support
The manufacturer provides a warranty for this product. For specific details regarding warranty coverage, duration, and terms, please refer to the documentation included with your purchase or contact the seller directly.
For any questions, technical assistance, or professional help concerning the LIANDU-US CO2 Jet Smoke Machine, please contact the seller, LianDu-US, through your purchase platform or their official contact channels. They will be able to provide the most accurate and timely support.