[!CAUTION!] UNOCCUPIED SPACES ONLY: Ozone in high concentrations is hazardous to humans and animals. Never operate the TriOx-20 in a room occupied by people, pets, or live plants.

Treatment Area: Ensure the area being treated is completely sealed off from occupied rooms. Place warning door hangers on all entrances.

Post-Treatment Ventilation: After the timer expires, wait at least 30–60 minutes for the ozone to dissipate back into oxygen before re-entering the area. If possible, open windows and doors to accelerate ventilation. You can also use our ozone meter (optional) to test the air in the room(s)

Respiratory Protection: If you must enter a room while the machine is operating, wear a properly rated O3-respirator mask.

Flammability: Do not use the TriOx-20 in environments with high concentrations of flammable gases, vapors, or explosives.

Electrical Safety: Ensure the machine is plugged into a grounded (three-prong) outlet. Do not operate with a damaged cord or in wet/high-moisture conditions.

Warning Label: On the top of the TriOx-20 there is a warning label that should be read before operating the device.

Installing the UV-C Light

1. About UV-C

UV-C light is a type of ultraviolet radiation with wavelengths between 200 and 280 nanometers, often referred to as “germicidal” light because of its ability to deactivate microorganisms. It works by penetrating the thin cell walls of bacteria, viruses, and protozoa, where the high-energy photons disrupt the molecular bonds of the organism’s DNA or RNA. This damage creates thymine dimers that prevent the pathogen from replicating or performing vital cellular functions, effectively rendering it harmless.

Safety and Dangers

While highly effective for sterilization, UV-C light is extremely hazardous to humans and animals. Because it is energetic enough to break chemical bonds, even brief exposure can cause:

Photokeratitis: Often described as a “sunburn of the eye,” causing severe pain, light sensitivity, and a feeling of sand in the eyes. 

Erythema: Intense, painful skin reddening similar to a severe sunburn. Long-term Risks: Prolonged or repeated exposure can lead to cataracts, retinal damage, and an increased risk of skin cancer.

Because UV-C is invisible to the human eye, it is critical to use these devices only in shielded environments or unoccupied spaces with automated shut-off sensors to prevent accidental exposure.

1. Remove the two screws that attaches the face plate to the TriOx-20 and carefully remove the face plate.

2. A box with the UV-C lamp will be inside the unit for safety during shipping.

3. ALWAYS HANDLE the lamp with the provided gloves inside to protect the lamp.

Remove the box and then CAREFULLY remove the lamp from the box. 

4. Place the lamp in the socket inside the TriOx-20.

5. Place the two original screws, along with the 5 other screws (included), to close and secure the face plate.

 

NEVER TOUCH A UV-C BULB WITH YOUR BARE HANDS!

Treatment Times

OPERATING THE TRIOX-20

The effective concentration of ozone for odor destruction typically ranges from very low levels for minor air freshening to high concentrations for professional “shock” treatments.

Effective Concentrations for Odor Removal

Minor Air Purification: Concentrations between 0.02 and 0.08 ppm are generally sufficient for deodorizing air and removing light odors.

Intensive “Shock” Treatment: For stubborn odors like smoke, mold, or decay, a minimum concentration of 5.0 ppm is often required to permanently eliminate resistant odors and bacteria. (SEE NEXT SECTION ON SHOCK TREATMENTS)

Commercial/Industrial Odor Control: Professional applications may target concentrations between 1.0 and 2.0 ppm for general disinfection and stronger odor control.

Warning: Concentrations of 5.0 ppm or higher are considered immediately dangerous to life or health. Refer to the OSHA warning label on top of the TriOx-20 unit.

High-concentration ozone treatments must only be performed in unoccupied spaces (no people, pets, or plants) and require thorough ventilation (typically 2 to 24 hours) before re-entry. 

Key Effectiveness Factors

CT Value (Concentration × Time): The total effectiveness depends on both the concentration and how long it is maintained. For example, a lower concentration (0.2 ppm) run for a longer period can achieve the same result as a higher concentration (0.4 ppm) run for a shorter time.

Odor Threshold: Humans can typically detect the “metallic” or “chlorine-like” smell of ozone at levels as low as 0.01 to 0.03 ppm.

Safety and Regulatory Limits

Because ozone is a toxic gas, safety standards strictly limit human exposure to levels far below what is needed for intensive odor removal:

Occupied Spaces: Federal agencies like OSHA and NIOSH recommend an exposure limit of no more than 0.1 ppm for an 8-hour period.

Medical Devices: The FDA requires ozone output for indoor medical devices to be no more than 0.05 ppm.

OPERATING THE OZONE DETECTOR

Charging: When low battery icon is displayed the device needs to be charged. Insert the type-C charging cable into the devic e. Attach the other end to a USB DC charger. Fully charge for at least 2-3 hours before use. Avoid charging with a USB computer port which only outputs 500mA

How to Use

Turn Off/On: a) In power-off state, long press Right Button to turn on the device.

b) In power-on state, long press Right Button to turn off the device. If the device will not turn on, plug-in and charge the Detector.

AQI (O3 concentration): 

O3 Alarm: a) O3 alarm value is 1.00 ppm. b) Single-press Left Button to turn on/off the O3 alarm sound.

Sleep Mode: (Default sleep mode is OFF) Double click left button.

The buzzer beeps long 1 time: Activate Sleep Mode (If there is no operation for 60 seconds, the display screen will turn off to save power consumption, but the device is still working normally. Any click on the left or right button will light up the display screen).

The buzzer beeps 2 times: Exit sleep mode.

Temperature Unit: a) Double press Right Button to switch the temperature unit between Celsius (C) and Fahrenheit (F)

The TriOx-20 timer is an electronic countdown timer featuring single-button operation for preset times and a separate “Hold” mode for continuous operation. No complex programming is required.

Turning ON and Selecting Time (Timer Mode):
Press and release the main push button repeatedly to cycle through the available preset countdown times: 1 hour, 2 hours, 4 hours, and 8 hours, or to select OFF.

The illuminated LED light next to the selected time setting indicates the current active countdown duration.

The connected fan, UVC lamp, and ozone generator will turn ON and remain on for the selected time interval, then automatically turn OFF when the time counts down to zero.

Continuous Operation (Hold Mode):
To turn the unit ON for an extended or continuous period of time, press and hold the main push button for more than 2 seconds.

The timer will enter “HOLD” mode, and the dedicated “HOLD” LED will turn on to indicate continuous operation. The fan will stay on indefinitely until manually turned off or the mode is exited.

Exiting Any Mode and Turning OFF:
To turn the timer OFF from any mode (Timer or Hold), press and release the main push button.
All LEDs will turn off, and the TriOx-20 unit will be switched OFF.

TriOx-20 Timer

Shock treatment is a high-intensity decontamination process used to permanently eliminate severe odors by flooding an unoccupied space with lethal concentrations of ozone gas. Unlike low-level air purification, shock treatments target the molecular source of odors embedded in surfaces and fabrics.

1. Preparation

Before the machine is even plugged in, the environment must be “cleared and sealed.” High levels of ozone are toxic and corrosive. Place the warning door hanger on all entrances.

• Total Evacuation: Remove all people, pets, and living plants. Ozone kills plant tissues.

• Clean the Source:  Ozone works best on residual odors. Remove the physical source (trash, mold, or spills) first.

• Protect Materials: Remove or cover items made of natural rubber (elastic, gaskets), delicate fabrics (silk, fine wool), and expensive electronics to prevent oxidative damage.

• Seal the Space: Close all windows and doors. Use painters’ tape or a damp towel at the base of the door to prevent gas from leaking into occupied areas.

• Set the Timer: The TriOx-20 has a manual timer. Ensure it is set so the machine turns off automatically. 

2. Saturation

This is the phase where the ozone generator is active and the concentration builds up to the “lethal” level required to kill odors.

• Placement: Place the generator in a high location (ozone is heavier than air and will sink) and place a 20” x 20” box fan (sold separately) in front of the unit, to help the gas distribute.

• Concentration: For a “shock” effect, the goal is to reach 5.0 ppm or higher.

• Duration: * (See time estimates on page 2)

Vehicles: 15–45 minutes.

• Small/Standard Rooms: 1–4 hours.

• Extreme Cases (Fire/Flood): Up to 24–48 hours. We suggest using a box fan for higher ozone distribution.

 

3. Oxidation

During this phase, the O3 molecules go to work at a molecular level.

• Chemical Action: The unstable third oxygen atom breaks away and attaches to odor-causing molecules, bacteria, and mold spores.

• Molecular Destruction: This process permanently alters the chemical structure of the odor, essentially “burning” it at a microscopic level rather than just masking it with a scent.

• Penetration: Because it is a gas, the ozone saturates porous materials like carpets, drywall, and upholstery to reach odors embedded deep within surfaces. 

 

4. Reversion & Ventilation

Once the machine shuts off, the ozone must safely turn back into breathable oxygen before anyone can enter.

• The “Wait Period”: Ozone has a half-life of roughly 20 minutes. You must keep the room sealed for at least 1 to 2 hours after the machine stops to allow the majority of the O2 to revert to O2.

• Initial Entry: Quickly enter the room and use the ozone tester to measure the levels in the room. Open windows and turn on exhaust fans, then leave immediately.

• Aggressive Ventilation: Let the room air out for an additional 1 to 4 hours.

• Final Check: Do not resume normal occupancy until you test for .03 ppm levels using an ozone detector (optional).                                                 

         

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