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JIANGSU YUYUE MEDICAL EQUIPMENT & SUPPLY CO., LTD.
No.1 Baisheng Road Development Zone, Danyang, Jiangsu 212300 CHINA
TEL: 86-511-86900833
www.yuwell.com
Metrax GmbH
EC
REP
Rheinwaldstr. 22, 78628 Rottweil, GERMANY
0123
Document No. : 131849-3A
Revision Date: 2024.03
9F-5B
Oxygen Concentrator
User's Manual
Do not operate this unit without first
reading and understanding this manual
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Summary of Contents for Yuwell 9F-5B
- Page 1 JIANGSU YUYUE MEDICAL EQUIPMENT & SUPPLY CO., LTD. No.1 Baisheng Road Development Zone, Danyang, Jiangsu 212300 CHINA TEL: 86-511-86900833 9F-5B www.yuwell.com Oxygen Concentrator Metrax GmbH Rheinwaldstr. 22, 78628 Rottweil, GERMANY User's Manual 0123 Do not operate this unit without first Document No.
- Page 2 SAFETY NOTES TABLE OF CONTENTS INTENDED USE INTENDED PURPOSE: This oxygen concentrator is intended for oxygen supplement. SAFETY NOTES ---------------------------01 - CONTRA-INDICATIONS: Oxygen poisoning and oxygen allergy user/patient DO NOT using this oxygen concentrator. This device is to be used as an oxygen supplement and is NOT considered life-supporting or FEATURES -------------------------------09 - 1 life-sustaining.
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Page 3: Safety Notes
To ensure receiving the therapeutic amount of oxygen delivery The oxygen concentrator should always be kept upright to prevent damage according to your medical condition 9F-5B oxygen concentrator must: while being transported. -- be used with settings that have been individually determined or If the electrical source power voltage is unstable that beyond normal prescribed for you at your activity levels with your accessories;... - Page 4 SAFETY NOTES SAFETY NOTES It takes minutes from switching on the oxygen concentrator until it can device(s) stops, then the concentrator is causing the interference. In such be relied upon to deliver the set flowrate and concentration of oxygen. rare cases, interference may be reduced or corrected by one of the following measures: For optimum performance, o not open or turn off the oxygen concentrator frequently, reset after 3～5 minutes.
- Page 5 SAFETY NOTES SAFETY NOTES mask or the oxygen concentrator is located. If unable to leave the room, tripping or strangulation hazard. Always place the power supply cord and you must wait 10 minutes after you have turned the oxygen concentrator nasal cannula in a manner that prevents crushing by casters or others.
- Page 6 SAFETY NOTES FEATURES ●the condition of the patient, Ⅰ. SUMMARY ●the environment in which the patient lives, and This user s manual will tell you about your concentrator and will serve as a ●the ability to resupply the patient with backup supplies of reference as you use your concentrator.
- Page 7 FEATURES FEATURES Ⅲ. SPECIFICATIONS ● Oxygen concentration may be affected by over the rated ranges of ambient temperature, humidity and atmospheric pressure. 1. Power Supply: 230V～, 50Hz ● The measurement uncertainty of Flowrate is ±10%. 2. Input Power: 350VA ● The measurement uncertainty of Oxygen Concentration is ±3%. 3.
- Page 8 FEATURES HANDLING 17. Oxygen Output Temperature: ≤ 46℃ Ⅰ. UNPACKING Applied Part Temperature (Nasal Cannula): ≤ 41℃ CAUTION: Unless use the oxygen concentrator, retain containers 18. Cannula length DO NOT more than 15.2m and no twist. and packing materials for storage until use of the concentrator is required.
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Page 9: Operating ＆ Installation
OPERATING ＆ INSTALLATION OPERATING ＆ INSTALLATION Ⅰ. FEATURE VIEW Blue light 00000 Green light Humidifier Yellow light Oxygen outlet Time Setting Brightness Stand-by Display panel Buttons Audio alarm paused Flowmeter Figure 4: Control panel Flowmeter knob Inlet Filter cover Safety valve Outlet Figure 2: Front View Bottle... - Page 10 OPERATING ＆ INSTALLATION 2. Screw securely the bottle back counterclockwise. Ⅲ. OXYGEN ABSORBING OPERATION (Recommend to use Yuwell Humidifier and its preferred location is TURN ON shown as Figure 2) When pressing the power switch to "│" position, "HELLO" will be shown on 3.
- Page 11 OPERATING ＆ INSTALLATION OPERATING ＆ INSTALLATION 5) Low oxygen flowrate Firesafe valve 6) Power supply failure Flow direction 7) power loss 8) Start-up period NOTE: All the alarms of the device are low priority. NOTE: All the alarm conditions are technical alarm conditions. When the oxygen concentrator starts, the blue, green and yellow indicators will be turned on and the alarm will sound once to ensure the alarm system is working properly, then the blue and yellow indicators will come off.
- Page 12 OPERATING ＆ INSTALLATION OPERATING ＆ INSTALLATION Description of the alarm conditions - The maximum and mean delay of over temperature alarm system is less than 10 s. 1. Oxygen concentration is less than the minimum rated concentration during the start-up period. Yellow light illuminates, and the total time will 7.
- Page 13 OPERATING ＆ INSTALLATION OPERATING ＆ INSTALLATION Alarm limits Ⅵ. SYMBOLS Alarm Alarm limits Symbol Description Symbol Description High pressure Pressure is greater than 240 kPa Alternating current Caution Low pressure Pressure is less than 20 kPa Class Ⅱ Equipment Type BF Applied part Compressor High current Current is greater than 4.0 A(AC) Compressor Low current...
- Page 14 CAUTION: Please only use the accessories that Yuwell provided or Take off nasal cannula from oxygen outlet first, press the power switch on recommended to ensure the compatibility of the device and the the "O" position to turn off the oxygen concentrator, and then remove the accessories.
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Page 15: Maintenance
MAINTENANCE MAINTENANCE CAUTION: Before maintaining the oxygen concentrator, Remove the 2) Allow the oxygen concentrator to air dry, or use a dry towel, before power first to avoid electrical shock. operating the oxygen concentrator. CAUTION: During both normal condition and single fault condition, CAUTION: Before delivery to a new patient, after cleaning and the housing, humidifier and nasal cannula can become contaminated... - Page 16 MAINTENANCE MAINTENANCE Ⅲ. CLEAN HUMIDIFIER Ⅳ. CLEAN FIRESAFE VALVE Clean the firesafe valve weekly as follows: Disassemble the humidifier Turn the humidifier bottle counterclockwise to open the humidifier and 1) Clean the firesafe valve with a mild detergent or warm soapy water and remove the humidifier tube and filter element.
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Page 17: Troubleshooting
MAINTENANCE TROUBLESHOOTING Methods to check the function of the alarm system for each of the alarm Use the table below to take actions when the oxygen concentrator conditions are specified in the Technical Manual (Document No.:161849). indicates an abnormal condition. Symptom Probable cause Solution... - Page 18 TROUBLESHOOTING TROUBLESHOOTING Symptom Probable cause Solution Symptom Probable cause Solution The oxygen 1) Change power source to The oxygen 1) The system pressure is concentrator is 1) Power voltage is lower. meet the normal voltage 1) Clean or replace the filter. concentrator is too low.
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Page 19: Other Attention Items
OTHER ATTENTION ITEMS OTHER ATTENTION ITEMS Ⅰ. GAS PASS OPERATION SKETCH MAP Ⅲ. PACKING LIST Heat 1. Oxygen Concentrator 1 unit Filter Compressor Exchanger 2. Manual 1 piece Filter 1 piece Molecular Valve Oxygen/Nitrogen Separation 4. Firesafe Valve 1 piece Sieve Assembly 5. -
Page 20: Emc Information
IEC 61000-4-8 50 Hz or 60 Hz magnetic fields such as antenna cables and external antennas) should be used no closer than 30 cm (12 inches) to any part of the 9F-5B oxygen concentrator, Electrical fast ±2 kV transients / IEC 61000-4-4 including cables specified by the manufacturer. - Page 21 EMC INFORMATION EMC INFORMATION Table 2: Test specifications for ENCLOSURE PORT IMMUNITY to RF Table 3: Guidance and declaration of manufacturer - electromagnetic wireless communications equipment emission Test IMMUNITY Band Phenomenon Compliance frequency TEST LEVEL Service Modulation (MHZ) (MHZ) (V/m) Conducted and radiated RF EMISSIONS Group 1, Class B Pulse modulation...
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Questions and answers
The machine Yuwell 9F-5BW cut off after half a minute after turn on. LL shown on screen. I cleaned the filter already. Can you tell how to solve this problem.
The "LL" error and shutdown after 30 seconds on the Yuwell 9F-5B may be due to low oxygen flow (below 0.3 L/min). To resolve this:
1. Check for poor contact between the power cord plug and socket; firmly insert the plug.
2. Ensure the socket has power; try another outlet if needed.
3. Examine the humidifier and nasal cannula for blockages or improper setup.
4. Confirm that recommended accessories are used.
If the issue persists, contact qualified personnel for further inspection.
This answer is automatically generated