VARON VT-1 Portable Oxygen Concentrator User Manual

VT-1 Portable Oxygen Concentrator
User Manual *Please read the manual carefully before use and keep it well for future reference.

PREFACE

Dear users,
This manual introduces the functional features, operation steps, precautions, and maintenance of the product in detail.
To ensure that you can use the product more effectively, please read this manual carefully before use and keep it well for future reference.
Users shall not disassemble the product without permission, otherwise you might lose your right to enforce the warranty.
Please note that our company reserves the right to update our products and technologies. Some illustrations in the manual are for references only and may vary from the actual product. Please refer to the actual product.

Safety Precautions

• In case of a possible power failure or equipment failure, users who are in urgent need of oxygen must be equipped with other standby oxygen supply devices (such as oxygen cylinders, oxygen bags, etc.). Note that this product cannot be used for life support or life extension! Not suitable for newborns or infants!
• The product is only used for oxygen supplement at high altitude or in low-oxygen environments and does not serve as a substitute for medical equipment.
• Oxygen supports combustion. Thus smoking is prohibited when the equipment is working!
• Do not use the equipment in high temperatures, or when there are sparks or open flames in the environment!
• To prevent accidents, do not let children operate the equipment alone. When breathing oxygen, do not wrap the hose around the neck; The elderly with mobility difficulties must be accompanied by a guardian during use.
• This product separates and purifies oxygen directly from the air for breathing. Therefore, please do not use it in the environment containing oil smoke, toxic and harmful gases.
• This product cannot be connected with other equipment not allowed by the manufacturer.
• If any accessories are damaged or lost, please contact the equipment supplier.
• It is prohibited to use lithium batteries that are not equipped with the product.
• When the battery is not in use, please protect the interfaces on the battery and on the device. Do not contact them with the conductor or touch them directly with hands.
• Remove the battery before the equipment is discarded and contact the relevant departments to properly dispose of the equipment and accessories according to the relevant regulations of the local government.

Product Introduction

1. Working Principle
   This product utilizes air as the source material and operates on a DC12V power supply or battery. Equipped with a high-quality French molecular sieve and a compact oil-free air compressor, it extracts high-purity oxygen from the  air through an advanced Pressure Swing Adsorption (PSA) process at room temperature. This is a purely physical method, ensuring stable, safe and reliable oxygen output.

2. Product Applications
   Only for health care, and cosmetic oxygen therapy. Not suitable for medical use.

3. Product Features
   ▶ Dual oxygen production modes (Pulse and Continuous) for diverse needs;
   ▶ Compact and lightweight design with a simulated metallic spray-painted casing;
   ▶ Inclined control panel for ergonomic and convenient operation;
   ▶ Removable battery for easy replacement (not included, available for separate purchase);
   ▶ Comprehensive internal shock absorption and noise reduction design ensures comfortable use.

Technical Parameters

1. Model: VT-1

2. Power Supply: DC 12-16.8V AC100-240V; 50/60Hz (Only applicable for optional accessories)

3. Power: 75W

4. Battery Capacity: 91.6Wh/6.36Ah (The battery is optional)

5. Pulse Oxygen Supply: Passive mode for levels 1-5 (max flow rate at 5th level); Active mode for the 6th level (fixed frequency: every 1.5 seconds). Continuous Oxygen Supply: Levels 1-6 (max flow rate at 6th level).

6. Oxygen Concentration: 93%±3

7. Noise Level: ≤58dB(A) (noise value at the highest gear)

8. Dimensions: 24.217.315.6cm/9.56.86.1’’

9. Net Weight: 2.3kg

10. Electrical Classification: Class II

11. Working Modes: Pulse and Continuous

12. Normal Working Environment:
    Ambient temperature range: 10℃-35℃;
    Relative humidity range: 30%-75%;
    Atmospheric pressure range: 860hPa-1060hPa;
    Note: When the storage and transportation temperature is lower than 5℃, the equipment should be stored at normal operating temperature for more than 4 hours before using.

13. Storage and Transportation Environment:
    Ambient temperature range: -20℃-60℃;
    Relative humidity range: 10%-93%, without condensation;
    Atmospheric pressure range: 700hPa-1060hPa;
    Note: The oxygen generator should be stored in a well-ventilated room without strong sunlight, or corrosive gas inside. Avoid severe shock or turning the product upside-down during transportation.

Installation and Use

1. Check first when you receive the package.
   Before installing and operating the product, please check whether the appearance of the product is intact, and whether the numbers of accessories are consistent with the packing list in the manual. In case of any defects, please contact the seller or manufacturer promptly.

2. Product Appearance
   Note: It is normal that there is hot air discharged out of the heat dissipation vents. Ensure smooth air flow of the air inlet and the outlet.

3. Panel Operation Introduction

▶ Power Switch: Located at the back of the device as shown in Figure 2, “I” position is for powering on, and “O” position is for powering off. When powered on, the digital screen and battery indicator light up, indicating the device is in  standby mode.
▶ On/Off Button: Starts and stops oxygen production. In standby mode, a short press of the button switches the device to operational mode; during operation, a short press returns the device to standby mode.
▶ Mode Button: Switches between 2 modes—Pulse Oxygen Supply and Continuous Oxygen Supply.
▶ Level Button: Adjusts the flow rate of the oxygen output.
▶ Timer Button: Sets the duration of each usage. Adjustable from 0 to 240 minutes.
3.2 Contents Displayed on the Screen

▶ Timing/min: Countdown of preset working time. Displays how much time is left before the device automatically shuts down (unit: minutes)
▶ Cumulative Time: Shows how long the device has been working (unit: hours)
▶ Oxygen Concentration: Displays the oxygen concentration for the currently set flow level
▶ Level: In pulse mode, there are six levels for oxygen flow rates, as follows:

Single Pulse Oxygen Output (ml)

| 15| 20| 30| 40| 50| 25
Levels 1 5 are passive, delivering oxygen only when the user inhales.| Level 6 is active mode, delivering a fixed rate of 40 oxygen pulses per minute.
The 6 levels have a consistent oxygen concentration of 90%, with a permissible flow rate error of ±10%.

In continuous mode, there are also six levels of oxygen flow rates, with the corresponding concentrations as follows:

The flow rate has a tolehrasncaetolfe±ra1n0c%e o, af n±d5t%he. oxygen concentration

▶ Battery Indicators: Shows the current battery capacity, which is calculated based on the real-time voltage value and may deviate from the actual situation. For reference only.
There are 4 battery indicators on the operation panel:

| 4 lights on ————— battery capacity≧90%
---|---
| 3 lights on ———– 90%＞battery capacity≧75%
| 2 lights on ———– 75%＞battery capacity≧50%
| 1 light on ———– 50%＞battery capacity≧25%
| 1 light flashing —————-battery capacity＜25%

▶ Indicator Lights and Alarm Lights

• Pulse Mode Pulse Mode Light: When switching to pulse oxygen delivery mode using the mode button, this light will illuminate.

• Continuous Mode Continuous Mode Light: When switching to continuous oxygen delivery mode using the mode button, this light will illuminate.

• Alarm Alarm Light: Red or yellow light will be on and there will be alarm codes shown on the screen when the device is operating abnormally.
  F0001 —- Low Battery Warning (with yellow light on)
  F0002 —- No Breath Detected (with yellow light on; only in pulse mode level 1-5)
  F0011 —- High Temperature (red light on with an alarm)

• Breath Signal Breath Signal Light: This light flashes when the user’s breathing is detected during the operation of the device, and the device automatically starts the pulse oxygen supply.

• Working Status Light (on the right side of the alarm light): This light illuminates when the device begins oxygen production and remains off when the device is in standby mode.

Use Guidance

4.1 Connect the Power Supply
Select the appropriate power connection method according to the use environment.
▶ Using with a removable battery (optional accessory) Note: Users are not permitted to disassemble or assemble the battery casing without authorization. If necessary, it should be returned to the dealer or professionals for handling.
▶ Using in the car with a vehicle power cordConnect the input end of the car power cable to the car cigarette lighter, and the output end to the charging port of the oxygen concentrator. If the red light on the car power cord lights up, it means that the power supply is connected properly.
Required input: DC12~16.8V/5A.
▶ Using with an AC adapter (optional accessory)
Connect the AC adapter to an AC power cord firmly, plug it to the socket, and then connect its output end to the oxygen device.
Required input: AC100~240V 50/60Hz
4.2 Connect the Disposable Oxygen Inhaler (optional)
Securely connect the flared end of the disposable oxygen inhaler tube to the oxygen outlet of the device and wear the other end as shown below.
Note that the tube of the disposable oxygen inhaler should not be kinked or blocked, so as not to cause the equipment to alarm or to affect normal use.
If you need to purchase an oxygen inhaler, please contact the equipment provider or professional medical staff.
4.3 Start to Use
To start the device, press the “I” end of the power switch on the back of the device (as shown in Figure 2) downward. Then, gently press the On/Off Button on the front to turn on the machine. Press the Mode Button to select the oxygen  inhalation mode and use the Level Button to choose a suitable oxygen flow rate. Finally, put on the disposable oxygen inhaler to begin oxygen inhalation.
In Pulse Mode, the machine automatically releases oxygen when the user inhales, and the Breath Signal Light will flash. If the user pauses inhalation, the machine will withhold oxygen release. Additionally, after the user remains without  inhalation for more than 10 seconds, the machine will adjust to a mode releasing oxygen every 3 seconds until the user’s breathing signal is detected again, at which point it will return to the original oxygen delivery mode.
4.4 Charge the Battery (optional)

• As shown in Figure 7, connect the AC adapter to charge the battery;
• Refer to the battery installation method in Figure 4, perform the reverse operation to remove the battery. Then, connect the AC adapter following the guidance in Figure 7 for battery charging. The power indicator on the AC adapter  will illuminate in red, indicating that the battery is charging. If it turns green, it signifies that the battery is fully charged.

4.5 Pause or Stop Oxygen Supply
To pause oxygen supply during operation, briefly press the On/Off Button. After completing the oxygen therapy session, press the power switch on the back of the device (as shown in Figure 2) downward to the “O” position. Disconnect the disposable oxygen inhaler from the oxygen outlet on the device, unplug the power cord from the charging port, and then disconnect the power plug from the electrical outlet to cut off the power supply.

Precautions for Use

1. Battery Charging
   • Due to transportation control and other reasons, the device’s battery only has enough power for testing or has no power at all when it leaves the factory. Therefore, before the first use, the device needs to be charged;
   •  The battery will only be charged when using the AC adapter; If the vehicle power cord is used, it can only supply power to the the device, and cannot charge the battery;
   •  The AC adapter and the vehicle power cord will share the same power outlet, so they cannot be used at the same time;
   •  When the battery of the device is less than 25%, the power indicator will flash. Please connect the power adapter or charger to power the device in time;
   • When the device is not working, the battery in the device is fully charged for about 4 hours.
   • When using in the car with the vehicle power cord, please turn on the car’s engine, and do not use the device when the engine is turned off to prevent the car battery from losing power. Only the vehicle power cord dedicated to this device can be used.

2. Guidance for Use in Electromagnetic Environment
   In order to prevent this machine from being interfered with by the strong electromagnetic environment or interfering with other electrical products, please keep the product at least 30cm apart from other household appliances during use.

3. Disassembly Warning
   Non-professional personnel shall not disassemble the oxygen concentrator. If the professional maintenance personnel needs the electrical schematic diagram of the product, please contact the manufacturer or the after-sales service.

4. Use and Purchase of Disposable Oxygen Inhaler
   4.1 Connect the equipment to an oxygen inhaler for proper use.
   4.2 Ensure correct installation of the disposable oxygen inhaler and that the inhaler tubes are not kinked or blocked for accurate detection and delivery of pulsed oxygen.
   4.3 Only use an oxygen inhaler suitable for this device. Consult the equipment provider or medical professionals when purchasing to ensure proper equipment operation and user safety.

Maintenance

1. Clean the Shell
   The outside of the machine should be wiped clean at least once a month. Cut off the power supply and then wipe it with a slightly damp cotton cloth or sponge. Be careful not to seep liquid into the cracks of the chassis.
   After cleaning, place the machine in a ventilated place for about 2 hours, and wait until the surface is completely dried before using.

2. Clean the Disposable Oxygen Inhaler
   The oxygen inhaler should be cleaned once a week, and the nasal cannula on it should be cleaned after each use.
   Soak the inhaler into vinegar for about 5 minutes, and then rinse with clean water, or wipe with medical alcohol. It is recommended that the oxygen inhaler be replaced every 2 months of use. (Note: The inside of the oxygen inhaler tube should be kept dry.)

3. Replace the Air Intake Filter PadThis device is equipped with primary and secondary filter cotton that users can replace. The main function of these filters is to filter and adsorb dust and impurities from the air. Over time, the intake may become blocked, affecting  the oxygen production efficiency. Therefore, it is recommended to replace the filters every six months. In environments with high dust levels, consider replacing them quarterly.
   Note: Do not attempt to clean and reuse the filters, as  it may adversely affect the machine’s performance and lifespan.
   Replacement Procedure: As illustrated in Figure 8, push the filter window’s locking tab upward to unlock and simultaneously pull outward to remove the filter window. Take out the old filter cotton, then sequentially insert the secondary and primary filter cotton, and finally, reposition the filter window into place.

4. Battery Maintenance
   If the machine is not used for a long time, it is necessary to charge it every three months to avoid deterioration of battery performance due to long-term low power or non-use. For each charge, charge to 25%- 50% will be fine.
   This operation is not required if the product is in normal use.

Problems and Solutions

charge the battery.
Poor connection of the power cord.| Check power connection.
The battery was installed incorrectly.| Reinstall the battery correctly.
The machine broke down.| Contact the seller.
No oxygen output.| Tube of the oxygen inhaler is knotted or blocked.| Replace it with a new oxygen inhaler.
The oxygen inhaler is not tightly connected to the equipment, causing air leakage.| Reinstall the inhaler correctly.
The machine broke down.| Contact the seller.
There is an odor in the oxygen.| The oxygen inhaler has not been cleaned for a long time, resulting in dirt in the tube.| Clean or replace in time.
There will be a slight smell of disinfection in the initial use of the product, which is a normal phenomenon.| The smell will disappear automatically after a few days of use.
The molecular tower inside the machine is blocked.| Contact the seller.
Regular and slight sound inside the machine.| The nitrogen emission sound produced by the machine during oxygen production.| This is the normal sound of the machine as it works to produce oxygen and expel nitrogen.

Packing List

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