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                                                                                        Q155  Service  Manual 

                                                                          4-8 

 

Figure 4-13 Circuit board 

 
 
 
 
 
 

4.6.2.

 

Circuit Board Installation 

i.

 

Attach the circuit board to the supporting tabs. 

ii.

 

Firmly plug in all connectors to the circuit board. 

iii.

 

Reassemble the cabinet. 

4.6.3.

 

Oxygen Sensor Circuit Board Removal 

i.

 

Set  the  unit's  ON/OFF  switch  to  the  OFF  position,  and  unplug  the  power 
cord. 

ii.

 

Remove the cabinet.(See section 4.2.1) 

iii.

 

Disconnect  the  wire  connector  from  the  oxygen  sensor  circuit  board.  (See 
Figure 4-14) 

iv.

 

Remove clamps and the tubing from the oxygen sensor. (See Figure 4-14) 

v.

 

Remove the oxygen sensor circuit board from the supports. 

 
 
 
 
 
 
 
 
 

Note 

Handle the new circuit board only by the edges to prevent electro static damage 
to the unit. 

Support 

Support 

Содержание Q155

Страница 1: ......

Страница 2: ...cription of Operation 3 1 3 2 Exterior Parts 3 2 3 3 Handling 3 3 3 3 1 Select a location 3 3 3 3 2 Plug in power cord 3 3 3 3 3 Connect humidifier if prescribed by your physician 3 4 3 3 4 Start up 3...

Страница 3: ...cuit Breaker Replacement 4 10 4 8 1 Circuit Breaker Removal 4 10 4 8 2 Circuit Breaker Installation 4 11 4 9 ON OFF Power Switch Replacement 4 11 4 9 1 ON OFF Power Switch Removal 4 11 4 9 2 ON OFF Po...

Страница 4: ...bed 4 2 Figure 4 7 The suction and feed tubes of compressor 4 4 Figure 4 8 The power lead of compressor 4 4 Figure 4 9 Loose relief valve 4 5 Figure 4 10 The capacitor of compressor 4 5 Figure 4 11 I...

Страница 5: ...f Solenoid Valve Assembly A 5 Figure A 5 Exploded Drawing of Sieve Bed Assembly A 6 Figure A 6 Exploded Drawing of Central Frame Assembly A 7 Figure A 7 Exploded Drawing of Muffler Assembly A 8 Figure...

Страница 6: ...anty period components 1 3 Table 1 2 List of consumable 1 3 Table 1 3 Specification of Oxygen Concentrator 1 4 Table 3 1 LED Indicator vs Oxygen Purity 3 5 Table 3 2 The Symptom of Alarm 3 5 Table 6 1...

Страница 7: ...tilized by Merits ensures that the patient will always be alerted with audio and visual alarm systems 1 1 Intended Use The Merits Oxygen Concentrator is intended to be used to supply supplemental oxyg...

Страница 8: ...e n Keep the cord away from HEATED or HOT surfaces n NEVER drop or insert any object into any opening n NEVER block the air openings of the product or place it on a soft surface such as a bed or couch...

Страница 9: ...or Any defective part or assembly will be repaired or replaced at the sole discretion and determination of Merits Health Products Co Ltd if the unit has been properly operated during the warranty peri...

Страница 10: ...it Breaker 4A Weight 24Kg 53lb Shipping Weight 27Kg 59 5lb Operating Ambient Temperature 10 35 Cabinet Impact Resistant flame retardant plastic cabinet Regulatory Listing CSA 601 UL 2601 IEC EN 60601...

Страница 11: ...e used immediately retain container and packing materials for storage until use of the concentrator is required Note The concentrator should always be kept in the upright position to prevent cabinet d...

Страница 12: ...e materials n Always use clean and or replace the humidifier in accordance with manufacturer s or dealer s instructions n The patient should never service or open this machine It is to be serviced by...

Страница 13: ...Q155 Service Manual 2 3 Intake Filter Cabinet Filter Figure 2 2 Position of Cabinet Filter...

Страница 14: ...ow the instructions provided by the manufacturer If none are provided follow these steps i Clean the humidifier every day ii Wash it in soapy water and rinse it with a solution of 10 parts water and 1...

Страница 15: ...r sieve material is that it is able to adsorb nitrogen and allow oxygen pass when air passes through this material thus producing high purity oxygen There are two sieve beds in Unit Block While one al...

Страница 16: ...nection port for humidifier n Operating Instruction Label The operating instruction for easy reference by the patient n Warning Label Indicates that you must reference important information n Serial N...

Страница 17: ...that might block the flow of incoming air and or alarm indicators The area should be free of pollutants or dangerous fumes The unit should be placed on a stable level surface The location should have...

Страница 18: ...See Figure 3 5 Humidifier Bottle Figure 3 4 Filling the humidifier Humidifier Outlet Connector Oxygen Outlet Oxyge n Pu rity Auto Sh ut D own Norm al Abno r ma l 85 Figure 3 5 Attaching the humidifier...

Страница 19: ...he purity of oxygen generated by the oxygen concentrator The color of indicator light represent as following Oxygen Purity LED Indicator Over 85 3 GREEN Indicator light 70 3 to 85 3 YELLOW Indicator l...

Страница 20: ...ep long pause and repeat this cycle v Set the ON OFF switch to the OFF position and unplug the power cord vi Reconnect the compressor power connector to the circuit board vii Reinstall the cabinet Fig...

Страница 21: ...to the OFF position and unplug the power cord ii Remove the cabinet iii Plug in the unit and set the ON OFF switch to the ON position iv Use dryer to heat the temperature sensor See Figure 3 9 v When...

Страница 22: ...4 2 Cabinet Removal 4 2 1 Removing the cabinet to access the air compressor Loose the four screws from the bottom of cabinet and take the cabinet apart from the base assembly See Figure 4 1 You can a...

Страница 23: ...onnect the terminal of the solenoid coil See Figure 3 8 iv Remove the clamps and disconnect the tubes on the waste outlet air inlet oxygen outlet disconnect the PU tube from the pressure detect fittin...

Страница 24: ...ii Remove the cabinet See section 4 2 1 iii Disconnect the terminal of the damaged solenoid coils See Figure 3 8 iv Loose the fixing nuts above solenoid coils and remove the coils See Figure 4 5 v Ins...

Страница 25: ...OFF switch to the OFF position and unplug the power cord ii Remove the cabinet See section 4 2 1 iii Loose the mounting band of sieve bed to free sieve beds See Figure 4 6 iv Remove the sieve beds v R...

Страница 26: ...g time period and results in the reduction of oxygen purity You can detect the oxygen purity at 5 lpm If the purity is below 90 the concentrator needs service n Noise Level The conditions of the compr...

Страница 27: ...sor safety relief valve is as following i Set the ON OFF switch to the OFF position and unplug the power cord ii Remove the cabinet iii Remove the cabinet and disconnect the intake solenoid coil termi...

Страница 28: ...4 4 4 Capacitor Replacement The capacitor helps to start the compressor If the compressor does not start when the power is switched on the capacitor may be defective and require replacement Please fo...

Страница 29: ...and nuts on axial fan from central frame See Figure 4 11 v Install new intake axial fan to central frame and tighten the screws vi Connect the fan wire connector vii Reassemble the cabinet Figure 4 11...

Страница 30: ...strap n Store PCBs only in anti static bags 4 6 1 Circuit Board Removal i Set the unit s ON OFF switch to the OFF position and unplug the power cord ii Remove the cabinet See section 4 2 1 iii Disconn...

Страница 31: ...oval i Set the unit s ON OFF switch to the OFF position and unplug the power cord ii Remove the cabinet See section 4 2 1 iii Disconnect the wire connector from the oxygen sensor circuit board See Fig...

Страница 32: ...eplacement The product regulator enables you to set the pressure of oxygen output by the Merits unit To check for proper adjustment of the product regulator take the following steps i Set the unit s O...

Страница 33: ...r Removal i Set the unit s ON OFF switch to the OFF position and unplug the power cord ii Remove the cabinet and control panel inside See section 4 2 1 iii Disconnect the circuit breaker leads See Fig...

Страница 34: ...it breaker 4 9 ON OFF Power Switch Replacement 4 9 1 ON OFF Power Switch Removal i Set the unit s ON OFF switch to OFF position and unplug the power cord ii Remove the cabinet and control panel inside...

Страница 35: ...oose the screws and remove LED See Figure 4 20 v Install the new LED into the control panel and tighten the screws vi Reconnect the LED connector vii Install the control panel and the cabinet Figure 4...

Страница 36: ...eter 4 12 Flow meter Replacement 4 12 1 Flow meter Removal i Set the unit s ON OFF switch to the OFF position and unplug the power cord ii Remove the cabinet and the control panel inside See section 4...

Страница 37: ...ing at 62N cm 5 5inch pound iii Reconnect oxygen tubing from the flow meter fittings and fasten the tie wraps iv Install control panel and the cabinet 4 13 Buzzer Replacement i Set the unit s ON OFF s...

Страница 38: ...unit with the blow down muffler disconnected to see if the operating pressure returns to normal n An improperly operating circuit board or solenoid valve Confirm that the circuit board and solenoid va...

Страница 39: ...e use and plug in the unit ii Set the unit s ON OFF switch to the ON position and turn on the flow meter set 5 LPM Allow the unit to run for approximately three minutes iii Remove the cabinet See sect...

Страница 40: ...t Air Inlet Filter The cabinet air inlet filter is located at the cabinet aside See Figure 5 1 You can easily remove it by hand Note The filter may require daily cleaning if the Pioneer unit operates...

Страница 41: ...ing from both sides of the filter attached at control panel See Figure 5 3 iii Install the new filter with the inlet side in the same position as before Push the tubing together so that the tubing ove...

Страница 42: ...ce the related faulty tubes Faulty pressure sensor Replace faulty pressure sensor High Pressure alarm Faulty Control Board Replace Control Board Faulty air compressor Replace faulty air compressor Low...

Страница 43: ...d Replace faulty circuit board Faulty electrical connections Check electrical connections Faulty buzzer Replace faulty buzzer Buzzer not sound Faulty circuit board Replace faulty circuit board Faulty...

Страница 44: ...ing 3 2 S21 Unit Block Ass y 1 3 P41 Intake Filter 1 2 S22 Sieve Bed Ass y 1 3 P43 Bacteria Filter 1 3 S01 Central Frame Ass y 1 9 P01 Circuit Board 1 3 S02 Crashproof Plate Ass y 1 9 P02 Oxygen Monit...

Страница 45: ...gure 8 1 Tool Kit of Service Item Tool Name 1 Philips head Screwdriver 2 Slotted head Screwdriver 3 Needle nose Pliers 4 Wire Cutters 5 Pressure Test Gauge 6 4mm T head Hexagonal key 7 3mm T head Hexa...

Страница 46: ...ploded Drawings Base Assembly Housing Assembly Sieve Bed Valve Assembly Assembly of Solenoid Valve Assembly of Sieve Bed Central Frame Assembly Muffler Assembly Air Compressor Assembly Control Panel A...

Страница 47: ...Q155 Service Manual A 2 Version Issue Date Drawing No Base Ass y Q1A043 01 M 05 17 2007 0 Figure A 1 Exploded Drawing of Base Assembly...

Страница 48: ...Q155 Service Manual A 3 Housing Ass y Version Issue Date Drawing No Q1A044 01 M 05 17 2007 0 Figure A 2 Exploded Drawings of Housing Assembly...

Страница 49: ...Q155 Service Manual A 4 Sieve Bed Valve Ass y Version Issue Date Drawing No Q1B043 01 M 05 17 2007 0 Figure A 3 Exploded Drawing of Sieve Bed Valve Assembly...

Страница 50: ...Q155 Service Manual A 5 Version Issue Date Drawing No Solenoid Valve Ass y Q1B044 01 M 05 17 2007 0 Figure A 4 Exploded Drawings of Solenoid Valve Assembly...

Страница 51: ...Q155 Service Manual A 6 Sieve Bed Ass y Version Issue Date Drawing No Q1B045 01 M 05 17 2007 0 Figure A 5 Exploded Drawing of Sieve Bed Assembly...

Страница 52: ...Q155 Service Manual A 7 Version Issue Date Drawing No Central Frame Ass y Q1C052 01 M 05 17 2007 0 Figure A 6 Exploded Drawing of Central Frame Assembly...

Страница 53: ...Q155 Service Manual A 8 Muffler Ass y Version Issue Date Drawing No Q1C053 01 M 05 17 2007 0 Figure A 7 Exploded Drawing of Muffler Assembly...

Страница 54: ...Q155 Service Manual A 9 Figure A 8 Exploded Drawing of Air Compressor Assembly Version Issue Date Drawing No Air Compressor Ass y Q1D042 01 M 05 17 2007 0...

Страница 55: ...Q155 Service Manual A 10 Figure A 9 Exploded Drawing of Central Frame Assembly TO OXYGEN SENSOR Version Issue Date Drawing No Control Panel Ass y Q1E043 01 M 05 17 2007 0...

Страница 56: ...Q155 Service Manual A 11 Figure A 10 Exploded Drawing of Harness Assembly...

Страница 57: ...Q155 Service Manual A 12 Figure A 11 Exploded Drawing of Accessories Version Issue Date Drawing No Accessory Q1F044 01 M 05 17 2007 0...

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