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Oxus RAK-U04M, User Manual

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Oxus RAK-U04M User Manual Download Page 19

Medical oxygen supply system User Manual

19

Check the product display information

In the oxygen purity indicator in the display window, the number of LED light illuminated varies de-

pending on oxygen concentration to display the oxygen concentration status message.

Oxygen concentration indication information 

LED light count and color indication according to oxygen concentration

※  

The LED color in the oxygen purity indicator changed from Green

 

 

Yellow

 

 Red according to 

oxygen concentration.

Status

Oxygen concentration 

range (%)

LED light count 

(ea.)

LED color

Status 

indication

Normal

93% - 85% or higher

20 ~ 12

Green

NORMAL

Precaution

85 or lower - 78 or higher

11 ~ 5

Yellow/Orange

CAUTION

Inspection

78 or lower

4 ~ 0

Orange/Red

CHECK

•  The oxygen concentration indication information is displayed as [WARM] for about 5 min after product 

operation and then displayed normally.

•  If the oxygen concentration status message is [Caution] or [Check], call the place of purchase or 

service center immediately.

NORMAL

CAUTION

CHECK

Note

Summary of Contents for RAK-U04M

Page 1: ...OXUS MODEL RAK U06M RAK U04M Medical Oxygen Supply System User Manual User Manual ...

Page 2: ...s product can be used reli ably Differentiation of maintenance The status purity of discharge oxygen filter replace ment time and regular inspection time of the product displayed in the product control panel is transferred to the central server in our company through Ethernet and managed in real time Through this physical and psy chological loss due to safety guarantee for patients and maintenance...

Page 3: ...to use 15 Turning on the operating switch 15 Check the operating condition 15 Turning off the operating switch 16 Product operation step 17 Initial operation step 17 Normal operation step High purity oxygen supply step 18 Check the product display information 19 Oxygen concentration indication information 19 Filter replacement and regular inspection information 20 Discharge flow rate and discharge...

Page 4: ... install the product under direct sunlight or near heating devices and in particular near a wet place It can cause product performance degradation and there is a risk of electric shock Do not install the product near where industrial oil smoke or metallic dusts are found There is a risk of product failure or fire Do not install the product on uneven or sloping floor It can cause abnormal noise and...

Page 5: ... the electric wire by heavy objects There is a risk of electric shock or fire Do not operate the oxygen generator using circuit breakers There is a risk of failure or electric shock Thus use the operating switch to control at all times If there are abnormal sounds burning smell or smoke from the product stop the power sup ply immediately After power off call the place of purchase and service cente...

Page 6: ...repair of the product contact the place of purchase or service center A filter must be inserted during the use Without filters the product may degrade oxygen genera tion capability or damage to the product Keep the product at least 1 5m away from sparks or flammable materials Do not smoke a cigarette near the oxygen generator since it can incur sud den flames due to the oxygen Do not open the cove...

Page 7: ...arm operating switch should maintain ON status at all times during the normal use The individual unit operating switch should maintain ON status at all times Prohibition of arbitrary operation The pressure controller and flow meter are set at the optimum condition so do not attempt to control them The display window is a part to display information of the product so there is no need to control it ...

Page 8: ... You may get electric shock or injured Do not spray water to clean the product and do not wipe out the product with benzene thinner or alcohol There is a risk of electric shock or fire The product surface may be deformed If the product is not in use for a long time store it at a low humid place Otherwise metals or electronic circuits inside the product may be corroded ...

Page 9: ...mp is flashed and alarm sound goes off Control panel Product operation and current working conditions can be checked Door handle It can open the product door Oxygen dis charge port It is the final oxygen discharge port to supply oxygen generated in the product to the gas pipe Caster It is used to transfer or fix the product Cooling fan It is a cooling fan to discharge the heat inside the product t...

Page 10: ...ate supplied to the gas pipe through the piping Operating switch It runs or stops the product Product working lamp The lamp is illuminated when the product is operated as power is supplied normally External power supply lamp The lamp is illuminated when external power is supplied to the product Oxygen discharge pressure meter It displays the oxygen discharge pressure Oxygen tank pressure meter It ...

Page 11: ... Filter replacement countdown time indicator LED It displays the filter replacement countdown time in the LED Regular inspection countdown time indicator LED It displays the regular inspection countdown time in the LED Filter replacement countdown time indicator It displays the filter replacement countdown time four digits Hour Initialization button of filter re placement countdown time It initial...

Page 12: ...r It is a mechanical totalizer without reset function Control panel unit It is a control panel by which product operation and status can be checked Booster unit It is a booster unit that can pressurize the discharged oxygen from the individual oxygen generator unit to a high pressure Oxygen generator unit Six units of individual oxygen generators are installed independently Individual unit Operati...

Page 13: ...t the surrounding A place protected from harmful gases or severe dusts Power supply check Check whether external power supply lamp is illuminated with red color Check the normal power supply status of the product Check of the external power supply lamp illumination Power outage alarm operating status check Check whether the power outage alarm operating switch is ON Power outage working condition c...

Page 14: ... significantly large fluctuation by external factors dew condensation occurs thereby shortening the filter life and causing a product failure If the product is operated at 40 or higher temperature oxygen generation capability of the product can be degraded Operating humidity Less than 90 If the product is operated at 90 or higher humidity oxygen generation capability of the prod uct can be degrade...

Page 15: ...d with green color Turning on the operating switch Check the operating condition 2 Unit status LED illumination After the operating switch is turned on and approximately five sec later the unit status LED is illuminated with green color Checks whether the oxygen generator unit and booster unit mounted inside the product are working correctly Normal status Seven LED lights are all illuminated Model...

Page 16: ...ator A zirconia sensor was employed to the oxygen sensor and it has a warm time according to the sensor working principle The operating switch located in the center of the control panel is turned to the OFF to stop the product Once the operating switch is turned off the product operating lamp is turned off Turning off the operating switch Date and time Total runtime Filter working time Time to nex...

Page 17: ... can get around 93 to 94 During the bypass time around 2 min low purity of oxygen is not introduced into the oxygen tank Thus the flow meter and two types of pressure gauge mounted in the control panel have no change and oxygen is not supplied to the oxygen pipe Discharge oxygen bypass function prevents a low purity of oxygen discharged initially at the product operation from being supplied to pat...

Page 18: ...ct is set to 4 0 bar when it is shipped It takes around 8 min in maximum to reach at this value and it differs according to a flow rate used in the final end High purity oxygen compression step The flow meter and two types of pressure gauge increased gradually Normal operation step High purity oxygen supply step After around 10 min from production operation high purity oxygen compression step is c...

Page 19: ... oxygen purity indicator changed from Green Yellow Red according to oxygen concentration Status Oxygen concentration range LED light count ea LED color Status indication Normal 93 85 or higher 20 12 Green NORMAL Precaution 85 or lower 78 or higher 11 5 Yellow Orange CAUTION Inspection 78 or lower 4 0 Orange Red CHECK The oxygen concentration indication information is displayed as WARM for about 5 ...

Page 20: ...ischarge pressure are set at the optimum state when the product is shipped Discharge flow rate of the product can be checked via the display information in the flow meter Discharge pressure of the product can be checked via the display information in the oxygen dis charge pressure meter Discharge flow rate and discharge pressure information Display value of normal state of oxygen discharge pressur...

Page 21: ...is interrupted and no power is supplied to the product the power outage alarm lamp is flashed and alarm sound goes off 90dB The power outage alarm generates an alarm for about two hours upon power outage with internal battery equipped Flash status of the power outage alarm left side The low pressure alarm function is activated approximately 30 min after product operation It takes about 30 min for ...

Page 22: ...e product should have warming up for about 20 min How to store the product Filter replacement and regular inspection should be done by technicians dispatched from the purchaser or service agent authorized by manufacturer A dispatched technician is a person who is qualified to complete the required training and he she can do the job on behalf of the manufacturer Filter replacement period is three m...

Page 23: ...operating switch after adjusting to TURNING ON or ON If the problem is not related to the above and other checks are all normal but still not working Do not operate unreasonably and the power outage alarm operating switch is turned OFF to stop the alarm function and call the purchaser and service center immediately If the product uses inter operation of emergency high pressure and liquid oxygen a ...

Page 24: ... the product does not solve the problem call the purchaser and service center Check that you did not replace the intake filter mounted in the product for a long time Check the filter replacement countdown time in the control panel If it is 0 change the filter If the intake filter replacement time is expired call the purchaser and service center to replace the filter Check the indoor oxygen flow co...

Page 25: ...ncy VAC Hz 220 60 230 50 220 60 230 50 Power consumption kW 3 4 2 7 2 5 2 0 Low pressure alarm range Bar Below 3 Below 3 Oxygen purity alarm range Below 85 Below 85 Operating environment temperature humidity C 0 40 C 10 90 Storage condition temperature humidity C 20 50 C 10 90 Operating mode PSA Pressure Swing Adsorption Product noise dB A Below 70 Below 70 Product weight Kg 300 250 Product dimens...

Page 26: ...iod if the malfunction is caused by the mechanical defects 2 Please call OXUS in the case of product failure 3 We will repair the product at your expense for the following cases even in the warranty period Disasters including fire Failure by the result of careless handling or improper repairs and modifications Failure due to not comply with the instructions specified in the user manual If the cons...

Page 27: ......

Page 28: ...Life Oxygen Technology Oxus Co Ltd PN R360210 Rev 0 Service and product inquiry ...

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