Lifestyle LM5A User manual

Stationary Oxygen
Concentrator
LM5A
V8: 01/15/21dfdfdvvV

Table of Contents
1. Safety Notes ...............................................................................................3
1.1 Important Information.......................................................................4
1.2 Before Installation..............................................................................4
1.3 Placement........................................................................................... 5
1.4 Fire Warning and Explosion................................................................ 5
1.5 Maintenance ......................................................................................6
1.6 Radio Frequency Interference............................................................6
1.7 Reduce the Risk of Burns, Electrocution, Fire orInjury to Persons....6
2. Features......................................................................................................8
2.1 Summary ............................................................................................8
2.2 Characteristics.................................................................................... 8
2.3 Specifications......................................................................................9
3. Handling .......................................................................................................11
3.1 Unpacking.........................................................................................11
3.2 Inspection......................................................................................... 11
3.3 Storage .............................................................................................11
4. Installation and Operation ...........................................................................12
4.1 Features ............................................................................................12
4.2 Prepare for Use ................................................................................. 14
4.3 Turning the Concentrator On ...........................................................14
4.4 Status Indicator Display.................................................................... 15
4.5 Turning the Concentrator Off........................................................... 15
5. Maintenance ............................................................................................17
5.1 Cleaning the Cabinet ........................................................................17
5.2 Cleaning or Replacing the Filters......................................................17
5.3 Cleaning the Optional Humidifier Bottle..........................................18
5.4 Oxygen Nasal Cannula......................................................................18
5.5 Tube Maintenance ...........................................................................18
5.6 Note: For Each New Patient ............................................................19
6 Troubleshooting Guide............................................................................. 20
7 Additional Important Items...................................................................... 22
7.1 Warranty ..........................................................................................22
7.2 Treatment of Waste and Disposables ..............................................23
7.3 Accessories and Replacement Parts.................................................23
7.4 EMC REPORT ....................................................................................24

2. SAFETY NOTES
3
WARNING: Users who require continuous oxygenation must plan for alternate
sources of power and oxygen in the event of a failure or loss of power. This
device is to be used as an oxygen supplement and is NOT considered life-
supporting or life-sustaining!
WARNING: There is a risk of fire associated with oxygen enrichment during
oxygen therapy. Do not use the oxygen concentrator or accessories near
sparks or open flames.
WARNING: To ensure you are receiving the therapeutic amount of oxygen
delivery according to your medical condition this device must
- Be used only after one or more settings have been individually
determined or prescribed for you at your specific activity levels.
- Be used with the specific combination of parts and accessories that are
in line with the specification of the concentrator manufacturer and that were
used while your settings were determined.
WARNING: Use only water-based lotions or salves that are oxygen-
compatible before and during oxygen therapy. Never use petroleum or oil-
based lotions or salves to avoid the risk of fire and burns.
WARNING: Do not lubricate fittings, connections, tubing, or other
accessories of the oxygen concentrator to avoid the risk of fire and burns.
WARNING: Use only replacement parts recommended by the manufacturer
to ensure proper function and to avoid the risk of fire and burns.
WARNING: Use of this device outside of the ranges for altitude,
temperature or relative humidity listed in the Specifications Section of this
manual are expected to adversely affect the flowrate, the percentage of
oxygen and consequently the quality of the therapy.
WARNING: Do not leave the nasal cannula or mask on bed coverings or
chair cushions, if the oxygen concentrator is turned on, but not in use; the
oxygen will make the materials flammable. Turn the oxygen concentrator
off when not in use to prevent oxygen enrichment.
WARNING: If you feel discomfort or are experiencing a medical emergency
while undergoing oxygen therapy, seek medical assistance immediately to
avoid harm.
WARNING: Smoking during oxygen therapy is dangerous and is likely to
result in facial burns or death. Do not allow smoking within the same room
where the oxygen concentrator or any oxygen carrying accessories are
located.

2. SAFETY NOTES
4
Symbol
Meaning
Indicates imminent RISK if warnings are not followed (e.g.
“Causes burns”, “Risk of explosion”, etc.).
Indicates steps that should be avoided to prevent damage (e.g.
“Do not open”, “Do not drop”, etc.).
Indicates required actions (e.g. “Wear protective gloves”, “Scrub
before entering”, etc.).
1. Safety Notes
1.1 Important Information
Risk of electric shock.
DO NOT disassemble. Refer service to a qualified service personnel.
DO NOT modify this equipment without authorization of the manufacturer.
Read the following information before operating this product.
1.2 Before Installation
The concentrator should always be kept in the upright position to prevent
damage during transport.
If the electrical power source becomes unstable, discontinue use and find an
alternate source.
Only use stable and safe electrical power sources.
The oxygen concentrator cabinet should ONLY be opened by an authorized
equipment provider.
WARNING: Open flames during oxygen therapy are dangerous and likely to
result in fire or death. Do not allow open flames within 6.5 feet of the oxygen
concentrator or any oxygen carrying accessories.

2. SAFETY NOTES
5
1.3 Placement
Select a room in your home where using your oxygen concentrator would be
most convenient. Your concentrator can easily roll from room to room on its
casters.
Do not place the oxygen concentrator in an area where its airflow may be
obstructed.
Be sure to place the oxygen concentrator so that all sides are at least 10 cm
(4”) away from walls, draperies, furniture, or similar surfaces. Avoid placing on
deep pile carpets. Avoid placing near heaters, radiators, and hot air registers.
Do not place the unit in a confined area.
The oxygen concentrator MUST be kept away from heat, fire, and water
sources.
The oxygen concentrator should be placed in an area that is clear of pollutants
and fumes.
Do not place items on top of the concentrator.
NEVER block the air intake or air exhaust of the device, and keep them free
from lint, hair, and dust.
Do not place the unit on a soft surface, such as a bed or couch, where the
concentrator may tip or fall.
1.4 Fire Warning and Explosion
Keep the concentrator away from flammable and explosive areas.
Users MUST NOT SMOKE while using this device. Keep all matches, lighted
cigarettes or other sources of ignition out of the room in which this product is being
used. NO SMOKING signs should be prominently displayed. Textiles and other
materials, even those that may not normally burn easily, will quickly ignite and burn
with high intensity when exposed to oxygen-enriched air. Failure to observe this
warning can result in severe fire, property damage, physical injury, or DEATH.
Use of oxygen therapy requires that special care be taken to reduce the risk of
fire. Many materials, even those that may not be flammable under normal
conditions, are easily ignited and will burn rapidly when exposed to high

2. SAFETY NOTES
6
concentrations of oxygen. For safety concerns, it is necessary that all sources of
ignition be kept away from the product and out of the room in which it is being
used.
A spontaneous and violent ignition may occur if oil, grease or greasy
substances come into contact with oxygen that is under pressure. These
substances MUST be kept away from the oxygen concentrator, its tubing and
connections, and all other oxygen equipment.
DO NOT use any lubricants unless recommended by manufacturer.
1.5 Maintenance
The Oxygen Concentrator should be serviced at least once a year by a trained
service professional approved by the manufacturer.
DO NOT service this device while it is in use.
For optimum performance, the manufacturer recommends that the
concentrator be run for a minimum of 30 minutes at a time. Shorter periods of
operation may reduce maximum product life.
1.6 Radio Frequency Interference
Most electronic equipment is influenced by Radio Frequency Interference
(RFI). Always exercise CAUTION when using portable communications devices
around such equipment.
This device uses Radio Frequency energy solely for its operation, so the radio
frequency output is very low and will not affect the running of other electronic
equipment in the area.
1.7 Reduce the Risk of Burns, Electrocution, Fire orInjury to
Persons
Avoid using while bathing. If continuous usage is required according to the
physician's prescription, then the concentrator must be located in another room at
least 2.5 meters (8.2 feet) from the bathing area.
DO NOT come into contact with the concentrator while wet.
DO NOT place or store the device where it can drop into water or other liquids.

2. SAFETY NOTES
7
DO NOT reach for the device if it has fallen into water or other liquids.
UNPLUG IMMEDIATELY and call a qualified service personnel for examination
and repair.
The device should NEVER be left unattended when plugged in.
This device is to be used only in accordance with a physician's prescription and
this User’s Manual. If at any time the patient or attendant concludes that the
patient is receiving an insufficient amount of oxygen, contact the provider and/or
physician immediately. No adjustments should be made to the flow rate unless
prescribed by a physician.
Close supervision is necessary when this product is used near children or
physically challenged individuals.
Use this product only for its intended use and as described in this manual.
DO NOT use parts, accessories, or adapters other than those authorized by
manufacturer. Use of certain humidifiers and accessories not specified for use with
this oxygen concentrator may impair its performance.
If replacement parts are used in this device that do not comply with the
manufacturer’s specifications, then the manufacturer is not responsible in the
event of an accident.
DO NOT connect the concentrator, neither in parallel nor in series, with other
oxygen concentrators or oxygen therapy devices.
In certain circumstances oxygen therapy can be hazardous. Seek medical
advice before using this product.
Avoid creation of sparks near medical oxygen equipment. This includes sparks
from static electricity created by any type of friction.
Consult a qualified service professional for examination and repair if the
concentrator has a damaged cord or plug, if it is not working properly, or if it has
been dropped or damaged.
Keep the cord away from HEATED and HOT surfaces.
Do not move or relocate the concentrator by pulling on its cord.
NEVER drop or insert any object into any opening.

2. FEATURES
8
2. Features
2.1 Summary
The Oxygen Concentrator is intended for individual use as an oxygen supplement
device in a home or care facility. The patient is the intended operator. The
concentrator is an electronically-operated device that separates oxygen from the
ambient air. It provides a high concentration of oxygen directly to you through a
nasal cannula or other methods. Clinical studies have documented that oxygen
concentrators are therapeutically equivalent to other types of oxygen delivery
systems.
This equipment takes 120V ~ power source as power source, air as raw material,
adopts high quality and high efficiency molecular sieve, and through PSA method
at room temperature, produces high purity oxygen conforming to medical
standards, thus achieving sustainable and uninterrupted oxygen supply.
This user manual contains important information about the use of your
concentrator and will serve as a reference for you as you use your concentrator.
2.2 Characteristics
•The oxygen concentrator is comprised of the main unit, a humidifier, and
a flow meter.
•Reliable, safe, completely plastic outer shell, with circuit breaker.
•Display screen shows total runtime of the device.
•Pressure safety valve helps ensure correct operating pressure.
•Power loss alarm function.
•High and low pressure alarm function.
•Low oxygen concentration alarm function.
•Heat protection to ensure safety of the compressor and concentrator.

2. FEATURES
9
2.3 Specifications
1. Power supply: AC120V, 60Hz; Current:3.5A; Power: 450VA
2. Sound level: ≤ 50dB (A) Acoustic power level: 58.5dB (A)
3. Maximum recommended flow: 5L/min
4. Flow Range at Outlet Pressure of 0 kPa: 0.5～5L/min
Flow Range at Outlet Pressure of 7 kPa: 0.5～5L/min
Change in maximum recommended flow when back pressure of 7 kPa is
applied: ＜0.5 L/min
5. Oxygen Concentration: When 0.5~5L/min ,93%±3% (after turning on 30
minutes)
6. Output Pressure: 38kPa±5kPa
7. Release Pressure during machine operation: 250kPa±50kPa
8. Weight: 35.5lbs
9. Dimension: 13”×10.3”×21.3” (330×260×540mm)
10. Altitude: The oxygen concentration will not reduce at altitudes up to 6,000ft /
1828 meters. At altitudes between 6,000ft / 1828 meters and 13,100ft / 4,000
meters, the efficiency will decrease to less than 90%.
11. Safety System:
①Current overload or line surge auto-shutdown.
②High temperature compressor auto-shutdown.
③High pressure alarm and auto-shutdown.
④Low pressure alarm and auto-shutdown.
⑤Low oxygen concentration alarm.
12. Minimum Operating Time: 30minutes
13. Electric Classification: Class Ⅱequipment, Type BF applied part (Nasal
oxygen cannula)
14. Mode of Operation: Continuous duty

2. FEATURES
10
15. Normal OperatingEnvironment:
Overvoltage Category: II, pollution degree:2, altitude: ≤6,562 feet / 2,000m
1. Temperature range: 41℉to 104℉(5℃to 40℃)
2. Relative humidity: ≤80%
3. Atmospheric pressure: 86kPa to 106kPa (12.47psi to 15.37psi)
NOTE: When the storage temperature of the device has been below 41°F (5℃),
place the device in a location within normal operating temperatures for at
least 4 hours before use.
Operating the equipment outside normal recommended conditions will
reduce its efficiency and lifespan.
16. Electrical category: II IP21
17. Oxygen Output Temperature: No higher than +43°F (+6°C) above ambient
temperature.
18. Tube: Avoid bending the nasal oxygen tube. Tube extensions should not
exceed 49 feet (15.2 meters).
19. Storage and Transport Environment:
1. Temperature Range:32℉to 131℉(0℃to +55℃)
2. Relative Humidity Range: 10% to 90%
3. Atmospheric pressure: 70kPa to 106kPa (10.2psi to 15.37psi)
NOTE: The oxygen concentrator should be stored in an area free from gas and
fumes. During transport, it should always be secured to prevent vibrations
and remain upright at all times.
20. This device is expected to work for a period of 6 years. For a longer use, please
consult your Equipment Provider and physician.
21. Software Version: A1.0
22. Contraindication: Do not use for patients with oxygen allergy or oxygen
poisoning.

3. HANDLING
11
3. Handling
3.1 Unpacking
NOTE: Unless the oxygen concentrator is to be used immediately, retain
shipping box and all packing materials for storage until concentrator use
is required.
•Check for any obvious damage to the shipping box and its contents. If damage
is evident, please notify the carrier or local dealer.
•Remove all loose packing materials from the box.
•Carefully remove all the components from the box.
3.2 Inspection
•Examine exterior of the oxygen concentrator for nicks, dents, scratches or
other damage.
•Inspect all components.
3.3 Storage
•Repackage the oxygen concentrator when not in use, and store it in a dry area.
DO NOT place anything on top of the repackagedconcentrator.

4 . INSTALLATION AND OPERATION
12
4. Installation and Operation
Figure 1: Oxygen Concentrator Features
4.1 Features
1. Flow meter - Set oxygen flow rate by adjusting the knob.
2. Status indicator light (Alarm/Normal/Low)
3. Oxygen tube
4. Outlet connector
5. Circuit breaker - To protect the machine and user, the circuit breaker will
disconnect power automatically when current ≥5A. After cooling, the machine
can be turned back on after pushing up the breaker.
6. Connection for humidifier bottle.
7. Humidifier bottle - For some users, dry oxygen inhalation may cause
respiratory discomfort. This accessory is recommended to humidify the
oxygen.
8. Power switch
9. Elapsed Time Meter - Records the total operation time since powered on.
10. Power cord
11. Transom filter

4 . INSTALLATION AND OPERATION
13
Figure 2: Humidifier Features
DO NOT add water over the maximum water level. Add purified water to the
humidifier bottle between maximum and minimum water level indicated.
Power switch: | indicates the power is on, Oindicates the power is off. If the
switch is set to “ON” when a power outage occurs, the oxygen concentrator will
not run, and an audible alarm will sound.
The oxygen will pass through the humidifier. Purified water should be added to
the humidifier between maximum and minimum water level as indicated. If the
oxygen tube exiting the humidifier is dislodged or jammed, the pressure in the
humidifier will increase to 25±5kPa and the safety valve of humidifier will open
to release the pressure.
To verify that this safety feature of the humidifier is working:
1. Use the soft PVC tube to connect the humidifier bottle to the oxygen outlet of
the device.
2. Turn on the oxygen concentrator and adjust the flow rate to about 5L/min.
3. Block the exit point of the humidifier.
4. After about 5 seconds, the safety valve will open, the gas will release, and the
valve will close. This indicates that the safety valve of the humidifier is
working as expected.

4 . INSTALLATION AND OPERATION
14
4.2 Prepare for Use
Unscrew the cover of the humidifier. Add purified or distilled water into the
humidifier bottle between the maximum and minimum water level lines. (If
needed, add medicine into the water per doctor's recommendations.) Then
screw the humidifier bottle onto the device.
Screw the humidifier bottle connector onto the cover of the humidifier. Then
insert the humidifier into the holder on the front of the unit. Finally, connect the
other end of the cannula to the oxygen outlet.
Plug in power supply: Ensure that the power switch is off. Then plug the
concentrator’s AC plug into power outlet.
4.3 Turning the Concentrator On
Press power switch to the |position. The display will read “HELLO”. At that
time, the green, yellow, and red lights will turn on simultaneously indicating the
machine is functioning as expected. After about 1 second, only the green light
will remain on. After 4 seconds, the display will show the runtime.
To properly read the flow meter, locate the prescribed flow rate line on the flow
meter. Next, turn the flow knob until the ball rises to the line. Now, center the
ball on the L/min line as prescribed (Figure 3).
NOTE: Oxygenation times and the flow rate ranges are established and
prescribed by your physician.
Figure 3
CAUTION: If the flow rate on the flow meter ever falls below 0.5L/min, check the
tubing for blockage or kinks and check for a defective humidifier bottle.

4 . INSTALLATION AND OPERATION
15
4.4 Status Indicator Display
NOTE: The concentrator may be used during the initial warm-up time
(approximately 30 minutes) while the O2concentration is reaching its
maximum level.
When the unit is turned on, the green light will turn on (indicating the O2
concentration is greater than 82%±3%). After 5 minutes, the oxygen sensor will be
operating normally and the indicator lights will adjust if the oxygen concentration
values change. The explanations of the indicator light functions are as follows:
1. Green Light - O2concentration is greater than 85%±2%. Normal Operation.
2. Yellow Light - O2 concentration is greater than 73%± 2% and less than
85%±2%.
3. Red Light - O2concentration is less than 73%±2%. An intermittent audible
alarm will sound.
4.5 Turning the Concentrator Off
Press power switch to the O position and unplug the concentrator from the power
outlet.

4 . INSTALLATION AND OPERATION
16
4.6 Symbols and Descriptions
Symbol
Meaning
Symbol
Meaning
~
Alternating current
Refer to instruction
manual
Class ⅡEquipment
Type BF applied part
O
OFF (power)
|
ON (power)
Circuit Breaker
No open flame. Fire,
open ignition source
and smoking are
prohibited
Height
Avoid sun exposure
Serial number
Date of manufacture
Keep upright
Manufacturer
Keep dry
Temperature limitation
Fragile, handle with
care
No smoking
Batch code
Usage reference
IP21
IP classification
Atmospheric pressure
limitation

5. MAINTENANCE
17
WARNING: Power should be disconnected before beginning preventive
maintenance on the concentrator.
DO NOT service or maintain while inuse.
The concentrator regularly performs a self-check to verify pressure and oxygen purity. In
addition, yearly maintenance by a qualified service professional is recommended for
optimal performance. In environments that collect dust easily, it may need to be serviced
more often.
5. Maintenance
5.1 Cleaning the Cabinet
Check the cabinet once a month and clean if visibly dirty.
•Turn off the power switch and unplug the concentrator from the wall outlet.
•Only the outside of the concentrator needs to be cleaned. Use a soft dry cloth,
a damp sponge, or wipes with an alcohol-based cleaning solution. Do not use
acetone, solvents or any other flammable products. Do not spill liquids inside
the cabinet.
5.2 Cleaning or Replacing the Filters
Clean and replace the filters as often as specified below in order to protect the
compressor and extend the concentrator’s life:
DO NOT operate the concentrator without the filters installed, or if the filters
are wet. This can permanently damage the concentrator.
1. Transom filter - Clean as needed. Check the
filter every 2 weeks and clean if visibly dirty. Use a
small screwdriver to unscrew the block of transom filter
holder, then take the transom filter holder out from the
access door. Separate the holder pieces and take the
filter out.

5. MAINTENANCE
18
2. Intake filter - Clean as needed (usually annually or until it turns black.) If
necessary, replace the filter.
•The intake filter door is on the left side of the concentrator. The intake filter is
behind the Transom Filter. Using a small screwdriver, open the access door.
Unscrew the filter core. Remove the intake filter.
•The maintenance frequency of the filter is based on actual time used and the
environment. Replace the filtration core when it turns black. Check more
frequently if in an environment that collects dusty easily and clean when
visibly dirty.
5.3 Cleaning the Optional Humidifier Bottle
•Change the water in the humidifier bottle every day.
•To Clean: Wash the humidifier bottle weekly using household detergent. Then
rinse it completely under running water and dry.
•To Disinfect: Disinfect the humidifier parts by immersing them in a disinfecting
solution, or a solution of 1-part vinegar diluted with 10 parts water. Then rinse
it completely under running water and dry.
•To remove and disassemble the humidifier bottle:
(1) Disconnect the tubing from the humidifier bottle and the device
(2) Remove the humidifier bottle from the holder on the device and
remove the cover from the humidifier bottle to clean and disinfect.
5.4 Oxygen Nasal Cannula
Refer to the nasal cannula manufacturer’s instructions for cleaning.

5. MAINTENANCE
19
5.6 Note: For Each New Patient
WARNING: To prevent injury from infection or damage to this device,
only qualified personnel should perform the cleaning and disinfection of
this device between patients.
Follow the manufacturer’s instructions when using this device for a new patient,
including:
1. Wash or replace the cabinet air filters.
2. Dispose of and replace all accessories not suitable for multiple patient use,
including but not limited to:
Nasal Cannula and Tubing
Mask
Humidifier Bottle
3. Perform maintenance procedures described in this manual and ensure all
device functions and alarms are in working order.
4. Include user manual when distributing device to a new patient.

6. TROUBLESHOOTING
20
6 Troubleshooting Guide
Symptom
Possible causes
Solution
Remark
Elapsed time
meter displays,
the green and
yellow lights are
on, but the
oxygen
concentrator
stops running
immediately and
has a continuous
audible alarm.
1) The valve's plug has
not been inserted
completely
1) Check and connect
the circuit board to the
valve’s plug.
Repairs must
be performed
by qualified
service
personnel.
2) Exhaust sound buffer
box jammed.
2) Replace it.
3) Valve is unable to
open.
3) Replace it.
4) Failure of the main
electronic control circuit
board.
4) Replace it.
The nasal
cannula has more
fogging or
droplets.
1) The unit is not properly
ventilated, so operating
temperature is too high.
1) Make sure the
machine is at least 10
cm away from walls,
heaters and other
obstructions..
2) Fan inside the
machine is unable to run
or running speed is slow
making the operating
temperature too high.
2a) Remove any
obstructions blocking
the fan.
Repairs must
be performed
by a qualified
service
personnel.
2b). Replace it.
3) Temperature of the
water in humidifier bottle
is too high.
3) Add cold water to
the humidifier bottle.
4) Too much water was
added to the humidifier.
4) Water added
should between the
maximum and
minimum level.