Oxygen

Concentrator
(YRK-10L)

Operating
instruction
 Directory
5. Classified by operation mode: continuous operation

preface...................................................................................................01 6. Input power of equipment: 550 W

I. Safety instructions..............................................................................02
II. Matters needing attention.................................................................02 7. Whether the equipment has the application part of protection against

III.Equipment identification, warning and abbreviation........................04 defibrillation discharge effect: None

Iv. Product introduction........................................................................05
V. Product use environment (including oxygen concentration 8. Whether the device has signal output or input part: None

statusindicator (OCSI) and oxygen concentrator ）.....................05 9. Permanent or non-permanent installation: Non-permanent installation of
VI. Scope of application.......................................................................05
VII. contraindications..........................................................................05 equipment

VIII. Technical parameters...................................................................05

IX. Structure composition, operation steps........................................08
X. Maintenance instructions...............................................................12
XI, fault and troubleshooting (all operated by the manufacturer).................13
XII.Responsibilities of the manufacturer.............................................15
XIII. Transportation and storage conditions........................................15
XIV.Environmental Protection Instructions.........................................15
XV.Product list (including interchangeable parts)...............................15
XVI.Electromagnetic compatibility......................................................16
XVII.Installation environment.............................................................18
XVIII.List of annexes............................................................................19
XIX.Schematic diagram of oxygen production process.......................19
XX.List of standard references............................................................20
XXI.Main Features of the product......................................................20
XXII.nameplate...................................................................................21

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XX. List of standard references
GB 191-2008 Packing, storage and transportation pictorial marks
Preface
GB 3096-2008 Acoustic environment quality standard
GB 5832.2-2008 Determination of trace moisture in gases - Part 2: Dew point
method
GB 8982-2009 and airborne respiratory oxygen Thank you for buying this product, I hope you become a satisfied user of our
GB/T 8984-2008 Gases - Determination of carbon monoxide, carbon d products.
ioxide, and hydrocarbons - Gas chromatography
GB 9706.1-2007 electrical equipment - Part 1: General This manual describes the functions, operation steps, precautions and basic
requirements for safety troubleshooting of the product.
GB/T 14710-2009 Environmental requirements and test methods for
In order to ensure your correct use of the machine, please read this manual
electrical equipment
GB/T 16886.1-2011 Biological evaluation of devices - Part 1: carefully before use.
Evaluation and testing in the risk management process Please note that some legends in this manual may be different from what you see
GB/T 16886.5-2003 Biological evaluation of devices - Part 5:
in vitro cytotoxicity test in the machine.
GB/T 16886.10-2005 Biological evaluation of devices - Part 10: The use of other parts or materials in this product will reduce the minimum
stimulation and delayed type hypersensitivity tests
YY/T 0316-2008 Application of Device Risk Management safety level, requiring the use of the company's approved accessories,
to Devices (ISO 14971 IDT) replaceable parts and materials.
YY 0505-2005 electrical equipment - Part 1-2: General
Their validity period is 5 years. Please pay attention to the expiry date or expiry
requirements for safety - Parallel standard ELECTROMAGNETIC
compatibility requirements and tests date on the package before use.
YY/T 0298-1998 General technical specification for molecular
sieve oxygen production equipment
YY 0709-2009 electrical equipment - Part 1-8: Common
requirements for safety - Common standards: General requirements,
tests and guidelines for alarm systems in electrical equipment
and electrical systems
YY 0732-2009 Safety requirements for oxygen concentrators
XXI. Main safety features of products
1. According to prevent electric shock type classification: Ⅰ class
2. Classification by degree of shock protection: Type B application
3. Classification according to the degree of protection of the intake fluid:
ordinary type
4. Classification by degree of safety when used in the case of flammable
narcotic gases mixed with air or with oxygen or nitrous oxide: not to be
used in the case of flammable narcotic gases mixed with air or with oxygen
or nitrous oxide. -01-
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 The possible impact of portable and mobile RF communication equipment on
I. Safety instructions oxygen concentrator YRK-10L is described in "The recommended isolation
◇This product cannot be used to sustain life. It is recommended that distance between 6 Portable and mobile RF Communication equipment and
patients on aerobic therapy should follow the doctor's guidance in choosing oxygen concentrator YRK-10L".
the flow rate and oxygen intake time when using this machine. The use of oxygen concentrator YRK-10L is limited to the power cord randomly
◇If the patient experiences or exhibits adverse reactions to oxygen, provided by the manufacturer (see annex 8 for details). When using these power
contact the equipment supplier or physician immediately. lines, the requirements of 36.201 and 36.202 in YY 0505 are met.
◇Seriously ill patients should be equipped with additional indicating equipment Warning: cables other than those sold by the manufacturer of the equipment as
when using this device. If there is an adverse reaction, please inform the spare parts for internal components may result in increased emission or reduced
patient immediately. immunity of the equipment.
◇Do not place the nose straw under the bed cover or chair cushion. Warning: The device should not be used close to or stacked with other devices.
If no one breathes oxygen and opens the machine, the oxygen generated If it must be used close to or stacked, it should be observed and verified to work
will help combustion. normally under the configuration used.
◇Turn off the power switch when no one is taking oxygen. Warning: Equipment used near marked equipment may be disturbed and/or
◇Oxygen has combustion-supporting effect, oxygen machine should be suffer performance degradation related to basic performance and safety.
away from the open fire and ignition source, in the vicinity of oxygen
inhalers are prohibited smoking and open fire. XVIII. List of annexes
◇Before cleaning oxygen machine shell dust, must unplug the power plug,
Serial
in case of electric shock. Name of the
numbe model parameter
◇Do not open the front and rear chassis of the machine at will. If there is attachment
r
any quality problem, the customer should not disassemble and repair
without permission. If there is any abnormal phenomenon, the customer 300/300V The length of
should contact the dealer or the manufacturer. 1 The power cord 0.75×1.5 the：1.2 m The shielding
wire
II. Matters needing attention
◇Oxygen machine should be placed in a clean environment without dust, XIX. Oxygen flow diagram of oxygen concentrator
corrosion and toxic gas.
◇The air inlet of the oxygen machine should be located in a well-ventilated
space to avoid air pollution or smoke in the oxygen.
◇Oxygen machine in use to ensure that the bottom of the exhaust smooth,
otherwise it will cause overheating.
◇Oxygen machine in use there is an interval of exhaust sound (interval
about 10 seconds), belongs to the normal.
◇It takes about 5 minutes to connect to the oxygen machine to achieve the
specified performance.
◇This machine is only used for oxygen concentration supply. When the output
gas is 9.9L/min (maximum), the oxygen concentration reaches 90% ~ 96%.
◇The oxygen status indicator (OCSI) indicates that there is a tolerance in oxygen
concentration when the oxygen concentration in the finished gas is abnormal.
◇The humidifier shall use distilled water or purified water in quantities
below the highest scale.
◇The humidifying bottle conforming to the specifications of the supporting
products shall be used. It shall not be changed at will, or it may cause harm
of oxygen absorption and discomfort.
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A Stationary transmitter such as a base station for wireless (cellular/cordless) telephones and mobile ground radios, ham ◇ When the oxygen machine status indicator indicates abnormal oxygen
radio, am and FM radio broadcasts, and television broadcasts, the field intensity cannot theoretically be accurately concentration levels. The operator shall declare to the dealer or manufacturer for
predicted. In order to evaluate the electromagnetic environment of stationary RF transmitter, the survey of electromagnetic
repair.
field should be considered. If the field intensity of the oxygen concentrator YRK-10L is higher than the above RF
conformance level, the oxygen concentrator YRK-10L should be observed to verify its normal operation. If abnormal
◇The cleaning items of the oxygen machine are the humidifier, filter cotton and
performance is observed, additional measures may be necessary, such as reorienting or repositioning the oxygen filter. The humidifier shall be cleaned every 3 days or so, the external filter cotton
concentrator YRK-10L. B in the whole frequency range of 150khz-80mhz, the field intensity should be lower than 3V/m. shall be cleaned every 100 hours or so every week, and the internal filter shall be
6. Recommended isolation distance between portable and mobile RF cleaned every 3,000 hours or so.
communication equipment and oxygen concentrator ◇When the flow control knob is fully turned on but the flowmeter indication is
YRK-10L-- For non-life support equipment and systems zero, it must be shut down immediately and then checked for faults.
Recommended isolation distance between portable and mobile RF communication equipment and ◇The machine cannot be opened and closed frequently: the machine should be
oxygen concentrator YRK-10L
switched on again after shutdown, and the interval time should not be less than 5
oxygen concentrator YRK-10L is expected to be used in electromagnetic environments where rf radiation harassment is
controlled. Depending on the maximum output power of the communication equipment, the purchaser or user can prevent
minutes (that is, the gas in the machine must be discharged. Prevent air
ELECTROMAGNETIC interference by maintaining the minimum distance between portable and mobile RF communication compressor with pressure start to affect its life.
equipment (transmitter) and oxygen concentrator YRK-05G as recommended below. ◇Do not turn on the power when the flow control valve is closed.
The maximum rated The isolation distance corresponding to different frequencies of the transmitter/m ◇ The water in the humidifying bottle should be replaced every 2-3 days,
output of the 150 kHz～80 MHz 80 MHz～800 MHz 800 MHz～2.5 GHz especially in summer. If not used for several days, please pour out all the water in
transmitterW d=1.2 d=1.2 d=2.3
the wet bottle and wipe the wet bottle.
0.01 0.12 0.12 0.23
◇ Nasal oxygen tubes and humidifiers suitable for matching product
0.1 0.38 0.38 0.73
1 1.2 1.2 2.3
specifications should be selected. If other types of nasal oxygen tubes or
10 3.8 3.8 7.3
humidifiers are used, they should be closely and reliably connected to the oxygen
100 12 12 23 machine. The nasal oxygen tubes are for personal use only.
For the maximum rated output power of the transmitter not listed in the above table, isolation distance D ◇ In addition, the circuit board, components, shell, pipes and other equipment
is recommended in meters (m), which can be determined by the formula in the corresponding transmitter components of the equipment may cause environmental pollution after the
frequency column, where P is the maximum rated output power of the transmitter provided by the
service life of the equipment. Therefore, it is suggested that the equipment
transmitter manufacturer in watts (W).Note 1 The formula for the higher frequency range is used at 80
MHz and 800 MHz.Note 2 These guidelines may not be applicable in all cases where electromagnetic
components should be disposed according to relevant national regulations:
propagation is influenced by the absorption and reflection of buildings, objects and the human body. recyclable parts should be recovered, and non-recyclable parts should be
disposed according to relevant regulations.
XVII. Installation environment ◇ Nasal oxygen tube and atomizing mask in contact with the patient are
The oxygen concentrator YRK-10L is suitable for use in all facilities, including disposable and cannot be reused. To prevent cross-infection, do not use the same
domestic facilities and directly connected to the household public low-voltage supply grid. nasal oxygen tube and atomizing mask for two persons.
Power receptacles should have reliable protective grounding and use a random matching ◇Oil and grease are strictly prohibited in contact with the machine.
power cord.
The floor shall be wood, concrete or ceramic tile, and if it is covered with synthetic material,
◇ In case of potential electromagnetic interference or other interference
the relative humidity shall be at least 30%. Other equipment used in the vicinity between the machine and other electronic devices, other electronic devices shall
of the equipment shall meet the requirements of electromagnetic compatibility. be turned off.

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III.Equipment identification, warning and abbreviation

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XVI.Electromagnetic compatibility IV. Product introduction
Products using psa (Pressure Swing Adsorption) principle of oxygen in the air with
ammonia gas and other gas separation, at room temperature, and, turning on the
power supply can be continuous piping up to the standard of oxygen from the air.

V.Product operating environment

(including oxygen concentration status indicator (OCSI) and oxygen concentrator )
1. Ambient temperature: +5℃ ~ +40℃;
2. Relative humidity: ≤90%;
3. Atmospheric pressure range: 700 hPa ~ 1060 hPa; The logo
4. The surrounding environment is non-corrosive gas and strong magnetic field.

VI.Scope of application
Small molecular sieve oxygen production equipment for personal use.

VII.contraindications
Patients with oxygen poisoning, bacterial wilt poisoning and other patients who
are not suitable for oxygen.

VIII.Technical parameters
Main performance parameters of oxygen concentrator
Oxygen Atomizer
Traffic concentr Power gas flow
model
(L/min) ation (W) rate
(ml/ml) (L/min)

YRK-10L 0.5～9.9 90%～96% 550 ≥10

The
The name specifications
Software release
component
s
oxygen concentrator YRK-10L V1.0

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1. Physical and chemical indexes: In addition, the company in accordance with the relevant national regulations to
Oxygen concentration: 90.0% ~ 96.0% (ml/ml); implement the three guarantees policy. If the relevant users need to repair by
Moisture content: ≤ 0.07g /m3; themselves, it shall be approved by the Company. The Company can provide the
Carbon dioxide content: ≤0.01% (ml/ml); technical personnel meeting the requirements with the list of necessary
Carbon monoxide content: ≤0.0005% (ml/ml); components and circuit diagram for maintenance.
Gaseous acid and alkali contents: meet the requirements of pH in
WS1-XG-008-2012;
XII.Responsibilities of the manufacturer
Ozone and other gaseous oxides content: meet the provisions of other The Company holds itself responsible for any impact on the safety, reliability and
gaseous oxides in WS1-XG-008-2012; performance of the equipment only in the following circumstances:
Smell: Oxygen should not smell; -- Assembly, addition, commissioning, alteration or maintenance shall be carried
Sulfur dioxide content: ≤0.0001% (ml/ml); out by personnel authorized by the Company;
Nitrogen oxide content: ≤0.0002% (ml/ml); -- The electrical facilities in the room are in compliance with the relevant
Oil content: ≤ 0.1mg /m3; requirements, and
Particle size of solid: ≤10 m; -- The equipment is used according to the instructions.
Solid matter content: ≤0.5 mg/m3. XIII.Transportation and storage conditions
2. Air tightness: PaAmbient temperature range: -20℃ -- 55℃;
The connection of all fasteners is reliable without any looseness; All Relative humidity range: ≤93%
pipelines and control valves are arranged in order, and there is no Atmospheric pressure range: 760 hPa ~ 1060 hPa
leakage at the connection.
3. The normal working noise of the oxygen concentrator shall not be greater XIV.Environmental Protection Instructions
than 60 dB(A). After the service life of the equipment, its circuit boards, components, shells,
4. Oxygen production pipelines and other equipment components may cause pollution to the
After the oxygen concentrator works normally for 10 min, the detection flow environment. Therefore, it is suggested that the equipment components should
is adjusted and continuously adjustable, and the output oxygen flow is be disposed according to relevant national regulations: recyclable parts should
0.5L /min ~ 9.9L/min. be recovered, and non-recyclable parts should be disposed according to
5. Error of flow meter: relevant regulations.
Not more than ±10%. Disposable accessories should be treated as waste.
6. Acoustic and optical signals:
A) The green light will be on when the power is switched on; XV.Product list(including interchangeable parts)
B) The red indicator lights up when the power supply voltage is lower than oxygen concentrator 1 set
A.C. 187V; The instructions 1 this
C) When the power supply is interrupted, the power alarm indicator (red) Disposable nasal oxygen tube 2 the root
flashes and the buzzer alarms; Power off alarm adopts capacitor power
storage principle, alarm time ≥30 s. Product certificate 1 piece
7. Safety pressure of wetting cup: 0.01mpa ~ 0.02mpa. The power cord 1 the root
8. Oxygen concentration monitoring instructions Intake strainer 2 pieces
9. Timing control Filter cotton 1 piece
9.1. When the timer is set, the remaining time of the shutdown shall Warranty card 1 piece
be clearly displayed. When the time is set, the oxygen concentrator will
Insurance tube 2 pieces
automatically enter the sleep state.
A) The maximum timing time is 9 h50 min; Disposable atomizer 1 piece
B) Timing and adjustment step size is 10 min; Wet the bottle 1pieces
C) Timed display step size is 1 min;
D) Timing error shall be ≤±5%.
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 Report to The timer can correctly record the cumulative working time of the oxygen
Alarm Overview of Using Alarm status concentrator in hours (h) with a 5-digit display.
the
code algorithms description Cumulative timing method: When the cumulative working time reaches 1 hour,
police that
After rectifying and the timing display time will be increased by 1h. If the number of minutes exceeds
filtering, the secondary an integer, it will be regarded as the cumulative time next time, and the
winding of the transformer cumulative time will be increased by 1 hour after the next time reaches 1 hour.
is sampled through the The alarm state 10. Performance of atomizer
When the resistance partial voltage is the technical 10.1 Spray rate
grid voltage and converted to ac alarm state, and Spray rate ≥ 0.2ml /min.
/ the priority is 10.2 Gas flow: the free air flow of the compression pump should not be less than
is voltage value. When the
interrupted value is lower than the high. Red 10 L/min under test conditions.
preset value, the power is indicator lights 10.3 Pressure range
considered to be off and flash and 10.3.1 Normal pressure: Under normal working condition, the pressure generated
the power off alarm auditory alarm; by the host machine is less than 0.05mpa.
program is started. The inherent 10.3.2 Abnormal pressure: When the host machine is abnormal, the maximum
delay of the pressure generated by the host machine is less than 0.3mpa and no pipe body
alarm status is rupture occurs.
less than 5 s. 10.4 Liquid residue: less than 1.5 mL.
10.5 Continuous working time: the atomizer can work normally under normal
working conditions, when ac power supply is used, continuously working for
more than 4 hours.
The operator must ensure that the position of the alarm system can be 10.6 Equivalent volume particle size distribution
normally observed and identified. When the alarm occurs, the operator 10.6.1 The proportion of fog particles with diameter less than 5 m produced by
can make corresponding treatment in time. atomizers shall be greater than 60%.
Once a month, the operator should verify that the alarm system is working. 10.6.2 The median particle diameter was 2.8 m, with an error of ±25%.
The verification method is as follows: manually adjust the flow to make 10.7 Disposable atomizer, disposable nasal oxygen tube
oxygen concentration or flow exceed the alarm limit, and confirm whether 10.7.1 Disposable products, meeting the sterility requirements.
the alarm system works. 10.7.2 Residual ethylene oxide meets the requirements of GB/T 16886.7.
 Warning: Different alarm presets for the same or similar equipment 10.7.3 With the registration certificate of devices, the disposable nasal oxygen
 used in any separate area are potentially dangerous! For example: tube is type A; The single-use atomizer is BY-W-M-3 with L specification.
 intensive care or cardiac surgery. 10.7.4 Requirements for chemical properties of the nozzle, components in
The alarm system can only store one alarm preset, which is the contact with drugs and materials for catheters of the atomizer:
manufacturer's internal default preset. The operator cannot change the alarm A) Heavy metal content: The total heavy metal content in the test solution ≤1 g/mL;
preset through external adjustment and setting. To restore the alarm B) pH: the pH difference between the test solution and the blank solution shall
preset state set by the manufacturer, the user must contact the manufacturer not be greater than 1.0;
for debugging and setting by the manufacturer's professionals. C) Reducing substance: the difference in volume of 0.002 mol/L potassium
When the power loss time does not exceed 30 s, the alarm setting before permanganate solution consumed between 20 mL test solution and the blank
the power loss can be automatically restored. control liquid of the same volume shall not exceed 1.5 mL;
After the power interruption, the alarm system will restore the default alarm D) Non-volatile: the total evaporation residue of 50 mL test solution shall not
function of the system. The alarm setting will not change during and after the exceed 2.0 mg.
restoration. 11. Software functions
9.2. Timing function The software can realize the functions of oxygen flow display, oxygen
concentration display, fault prompt and alarm.

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 5. The top cover of the humidification bottle must be tightened, otherwise the air
IX. Structure composition and operation steps leakage at the place will reduce the amount of oxygen. Scrub every 2-3 days to
1. Structure composition prevent bacteria in the water (can be operated by the user).
This product is composed of oxygen concentrator , humidifier, flowmeter, 6. Cautions for the use of disposable nasal oxygen tube and atomizer: the nasal
disposable atomizer, disposable nasal oxygen tube and software. oxygen tube and atomizer used together with this oxygen machine are disposable
2. Appearance structure and cannot be reused.
1）Exterior structure drawing 7. Cleaning, disinfection and sterilization of parts that contact with patients: the
parts that contact with patients are nasal oxygen tubes and atomizers, all of
which are disposable articles. Please check whether the package is damaged
before use. Do not use if there is any damage.
8. Preventive inspection
Check the power cord every six months.
Check whether the intake filter is damaged after each cleaning.
Check inlet filter monthly for breakage.
If the above parts are damaged, they should be replaced immediately.

XI. Failure and troubleshooting

(all operated by the manufacturer)
Seri
The fault
al
phenome The reasons causing Elimination method
num
non
ber
1.oxygen concentrator circuit
1. Check whether the switch, plug, socket
It doesn't and power supply is not
and power lead are in good condition
work connected
2. Replace the fuse and check the cause
1 when 2. The fuse is disconnected
3. Replace the starting capacitor
powered 3.compressor capacitor
4. The main maintenance personnel shall
on damage
replace the compressor
4. Compressor failure
1. Resupply the oxygen hose
1. The internal oxygen delivery
2. Clean the filter
hose is on sale and the air is
3. Remove the cap and replace it Screw
Not much not free
well. After starting the machine, plug the
2 oxygen or 2. The filter is blocked and the
air outlet with your thumb. After about 5
gas intake is not unobstructed
seconds, there should be a whistle in the
3.the wet bottle cap is not
wet container (the wet cargo container
closed, leakage
safety valve is opened).
1. The maintenance personnel shall
1)Alarm close and alarm reset button, press " " to indicate that No 1. The air control valve fails
replace the air control valve
the alarm is closed (that is, the alarm is in an inactive state), and 3 exhaust 2. The electric control board
2. The maintenance personnel shall
the alarm suppression indicator" "is illuminated; Press " " to noise fails
replace the electric control board
indicate alarm reset (that is, alarm is active).
Excessive 1. Exhaust muffler connector 1. Reconnect the joint
4
exhaust falls off 2. The maintenance staff shall replace

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 noise 2. Exhaust silencer is damaged the silencer 4. The product USES molecular sieve with a service life of 20,000 hours.
Contact the manufacturer to replace the molecular sieve at that time.
-13- 2）The display screen is normally displayed as shown below.
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4) fuse
There is a fuse block at the bottom of the oxygen concentrator , and another
fuse block in the cabinet. The model and specification of the fuse block are
F3AL250V. Replacement of external fuse: unplug the power cord, turn off
the power switch, remove the fuse holder cover, take off the damaged fuse
holder with insulating gloves, replace the fuse holder cover with a good
one that meets the requirements, and then cover the fuse holder cover. 3） The indicator light
The replacement of internal fuses needs to contact the manufacturer. When the power switch is on, the green power indicator lights up. When an
5. Special measures and conditions for installation and commissioning alarm occurs, the red alarm indicator flashes and the sound alarm is sounded; In
of equipment case of malfunction of the instrument, the red indicator light of power off/fault
1) Ensure that the gas pipeline is well connected, the humidifier is firmly will be on continuously and the buzzer will sound. When the power grid is
tightened, the nasal oxygen pipe and atomizer are in effective period interrupted, the power off/fault red light flashes and the sound alarm is sounded.
and the package is in good condition when installing the equipment.
2) Check whether the fuse is in good condition and ensure that the power
network and the oxygen concentrator are well grounded before switching on
the power.
X.Maintenance instructions
1. When the power is cut off, wipe the outer part of the case with a clean
and soft wet towel with a little neutral detergent, and then wipe the outer 4） Alarm suppression indication " ".
part with a dry towel. Once or twice a month (it can be operated by users). 5） Timer setting: set the normal working time of the oxygen concentrator . "+"
2. clean intake filter is an important part of daily maintenance of oxygen means to increase the timing time, and "-" means to reduce the timing time.
machine, clean at least twice a month. Specific method: remove the filter 6） The power switch button, press " ", means the power is on; press" ",
screen on both sides of the case, clean it with neutral cleaner, rinse it means the power is off.
thoroughly with clean water, fold the excess water, dry it naturally in 7） Oxygen flowmeter, indicating and regulating flow rate; The indicating range is
the air, and then put it in the same place for use (it can be operated "0 ~ 9.9L/min", clockwise is to reduce and close the flow, counterclockwise is to
by the user). increase the flow. The oxygen concentrator has about one flowmeter.
8） Humidifying bottle. The outlet above the humidifying bottle is an oxygen
outlet, connected with a disposable nasal oxygen tube. Insert the inlet of the
nasal oxygen tube into the oxygen outlet of the humidifier and the other end into
the nostril.

3. Clean the intake filter (on-site maintenance by the manufacturer), and use
the oxygen machine to clean the intake filter every 3000 hours. Open the top
cover and take out the storage box. Unscrew the filter barrel counterclockwise,
remove the filter cotton, clean it with detergent, rinse thoroughly with clean
water, fold off the excess water, air dry in the shade, and place it in the origina Disposable nasal oxygen tube structure drawing
l place after drying.
9) Atomization interface, connected to a disposable atomizer; Connect the 2) Turn on the power, insert the power plug into the required power socket A.C.
input port of the atomizer with the atomizing
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-09- outlet of the equipment; For
the specific installation of the disposable atomizer, please refer to its
220 V50 Hz, and turn on the power switch. Make sure the grid and equipment are
well grounded before switching on the power.
operating instructions 3) Adjust the oxygen output flow as required. The scale on the flowmeter is the
recommended oxygen flow rate (the knob is turned on counterclockwise and
turned off clockwise). The oxygen therapy user should strictly follow the doctor's
instructions and perform oxygen therapy according to the oxygen flow rate and
daily oxygen intake time given by the doctor.
4) Insert the inlet end of the nasal oxygen tube on the outlet of the
humidification bottle, connect the two humidification bottles with double flow
Disposable nebulizer oxygen outlet, and adjust the flow meter to 2.5 (L/min) at the same time. The
10） Buckle hands: use when handling or packing; nasal oxygen tube is then attached to the oxygen inhaler's ear, and the nasal plug
is inserted into the oxygen inhaler's nostril.
5) After oxygen inhalation, turn off the power switch and unplug the power plug.
6) When oxygen inhaler needs regular oxygen inhalation, press the "timing +"
button to start the timing, and adjust the required timing through "timing + and
timing -". The maximum timing time is 9 h50 min.
7) The display shows oxygen concentration.
8) If the power switch of the oxygen concentrator is switched on but the whole
machine is still in power off state with alarm sound, please check whether the
10) Filter window: in case of replacement, special paper fittings of this contact of the power connection part is good or whether the external power
machine shall be used; supply has been interrupted.
4. Method of loading and unloading of removable parts and accessories, and
description of replacement of consumed materials during use
1) Humidifier

The power input terminal on the back of the device has a storage box
on the top for storing random items such as nasal oxygen tubes.

3. Assembly and operation steps

1) Remove the wet bottle clockwise, inject an appropriate amount of distilled
water or cold water between the highest and lowest scale lines, and then According to the thread of the wet bottle mouth, remove the wet bottle
tighten the bottle. clockwise, rotate counterclockwise and install the wet bottle.
2) Single-use atomizer
Take out the atomizer that meets the requirements from the outer packing,
install the atomizer according to the manual of disposable atomizer, and connect
the input interface of atomizer to the atomizing interface of oxygen
concentrator .
3) Disposable nasal oxygen tube
Take out the atomizer that meets the requirements from the outer packing, and
connect the intake end of the nasal oxygen tube with the oxygen outlet of the
humidifying bottle.

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