Technical Information
Kröber O2
D.SPEC.02.B.00 Kröber O2 - Informations techniques_General_EN
v. 28/06/2019
Page 1: ...Technical Information Kröber O2 D SPEC 02 B 00 Kröber O2 Informations techniques_General_EN v 28 06 2019 ...
Page 2: ...r Medizintechnik GmbH Salzheck 4 D 56332 Dieblich Tel 49 0 2607 9404 0 Fax 49 0 2607 9404 22 E Mail info kroeber de Internet www kroeber de Rev 1 D SPEC 02 B 00 Kröber O2 Informations techniques_General_EN v 28 06 2019 ...
Page 3: ...the control PCB 21 2 4 2 Installing the control PCB 26 2 5 The compressor 30 2 5 1 Removing the compressor 30 2 5 2 Installing the compressor 33 3 Maintenance procedures 35 3 1 Safety inspection annually 35 3 2 Exchanging the filters 35 3 2 1 Coarse dust filter 35 3 2 2 Device inlet filter 36 3 2 3 Device outlet filter 36 4 Recommendations for re processoing 38 4 1 without change of the patient 38...
Page 4: ...Kröber O2 4 5 4 Alarms 42 5 4 1 Alarm priorities 42 5 4 2 Alarm categories 43 5 5 Symbols 47 D SPEC 02 B 00 Kröber O2 Informations techniques_General_EN v 28 06 2019 ...
Page 5: ...ormance data Data retrieved from the microcontroller are helpful for further analysis and error investigation by the trained service technicians 1 2 Warranty Differing from our General Terms of Business we grant an extended warranty of 30 000 operating hours for all functional parts e g compressor control board valve technology etc used in our oxygen concentrator Kröber O2 This extended warranty i...
Page 6: ...Kröber O2 Preliminary remarks 6 D SPEC 02 B 00 Kröber O2 Informations techniques_General_EN v 28 06 2019 ...
Page 7: ...d off and disconnected from the mains supply NOTE For easy access to the unit place the unit on a clean support Empty and remove the installed humidifier first 1 Unscrew S1 to S5 2 Carefully remove grey housing 3 Carefully remove the blue service flap and store it separately D SPEC 02 B 00 Kröber O2 Informations techniques_General_EN v 28 06 2019 ...
Page 8: ... 8 4 In the opened unit there are the subassemblies a control PCB b functional unit c compressor d fan and the components e capacitor f power cord D SPEC 02 B 00 Kröber O2 Informations techniques_General_EN v 28 06 2019 ...
Page 9: ...t fit 2 Insert all housing screws screws down S4 und S5 then all other screws 3 Carefully feed the blue service flap with both lateral noses into the corresponding support in the main housing body Gently stretch the housing 4 Screw all five housing screws hand tight 5 Install the coarse dust filter cover in the back of the Kröber O2 D SPEC 02 B 00 Kröber O2 Informations techniques_General_EN v 28 ...
Page 10: ...Kröber O2 Service 10 2 2 The functional unit D SPEC 02 B 00 Kröber O2 Informations techniques_General_EN v 28 06 2019 ...
Page 11: ...onnector of the solenoid wire from the control PCB 2 Dismantle the EMC core using an edge cutter 3 Press the rim of quick connect at the air inlet of the functional unit smoothly down and pull out the tubing D SPEC 02 B 00 Kröber O2 Informations techniques_General_EN v 28 06 2019 ...
Page 12: ... smoothly and pull out the tubing 5 Lift half way the functional unit 6 Push the rim of the quick connect hose at the pressure outlet of the functional unit smoothly and pull out the tubing 7 Take out the functional unit completely D SPEC 02 B 00 Kröber O2 Informations techniques_General_EN v 28 06 2019 ...
Page 13: ...ion caps from the inlets and outlets of the functional unit 2 Guide the quick connect of the pressure sensor into the corresponding port of the functional unit 3 Insert the functional unit carefully into the slot D SPEC 02 B 00 Kröber O2 Informations techniques_General_EN v 28 06 2019 ...
Page 14: ...t muffler into the corresponding slot 5 The exhaust muffler is in the correct end position if it is facing the compressor 6 In the correct end position the head of the functional unit is held by a stop s circle D SPEC 02 B 00 Kröber O2 Informations techniques_General_EN v 28 06 2019 ...
Page 15: ...far as it will go 8 Install the quick connect hose as far as it will go into the air inlet of the functional unit 9 Fixate the EMC filter with a cable tie at the outlet hose of the air cooler coil D SPEC 02 B 00 Kröber O2 Informations techniques_General_EN v 28 06 2019 ...
Page 16: ...onding connector on the control PCB Check polarity The pin should be pointing towards the black box header 11 Install the connector as far as it goes 12 Check piping and wiring for proper laying without kinking or pinching D SPEC 02 B 00 Kröber O2 Informations techniques_General_EN v 28 06 2019 ...
Page 17: ...2 3 1 Disassembling the fan 1 Unfasten both wires of the fan at the terminal block on the control PCB 2 Cut the cable tie of the cable harness with an edge cutter D SPEC 02 B 00 Kröber O2 Informations techniques_General_EN v 28 06 2019 ...
Page 18: ...filter from the air cooler Note Eventually re adjust compressor wire and thereby release any tension 4 Unfasten the 4 mounting screws of the fan 5 Do not unscrew the screws completely leave them in the thread 6 Remove the fan out of the unit D SPEC 02 B 00 Kröber O2 Informations techniques_General_EN v 28 06 2019 ...
Page 19: ...ow points towards the steel plate 2 Screw the four mounting screws hand tight 3 Push the fan support evenly back into the slots NOTE Pay attention that the silicone profiles also slide into the slots 4 If necessary re adjust the position of the compressor wires D SPEC 02 B 00 Kröber O2 Informations techniques_General_EN v 28 06 2019 ...
Page 20: ...able tie at the silicone hose of the air cooler outlet 6 Re install the leads no 5 and 6 of the fan in the terminal block pos 5 and 6 7 Bind together the cable harness and the hose with a cable tie D SPEC 02 B 00 Kröber O2 Informations techniques_General_EN v 28 06 2019 ...
Page 21: ...rge precautions when disassembling and reassembling the Kröber O2 and when handling any of the components of the Kröber O2 1 Disconnect all leads at the terminal block of the control PCB To exclude mix ups the leads are numbered serially no 1 and 2 mains voltage supply no 3 and 4 compressor no 5 and 6 fan D SPEC 02 B 00 Kröber O2 Informations techniques_General_EN v 28 06 2019 ...
Page 22: ... 2 Cut the cable tie of the power cord 3 Bend all hoses and the cables aside 4 Pull out the assembly of the control PCB and control panel by half way D SPEC 02 B 00 Kröber O2 Informations techniques_General_EN v 28 06 2019 ...
Page 23: ...onnecting hose off the pressure sensor 6 Extract the control PCB completely but do not put it down 7 Disconnect the silicone hose from the multifunctional sensor D SPEC 02 B 00 Kröber O2 Informations techniques_General_EN v 28 06 2019 ...
Page 24: ...emperature sensor out of the compressor compartment 9 Remove the control PCB including plug in panel entirely 10 Remove both control elements by pulling them off D SPEC 02 B 00 Kröber O2 Informations techniques_General_EN v 28 06 2019 ...
Page 25: ...öber O2 Service 25 11 Flip the control PCB and unscrew the 6 mounting screws 12 Store the control PCB separately and ESD protected D SPEC 02 B 00 Kröber O2 Informations techniques_General_EN v 28 06 2019 ...
Page 26: ...SD electrostatic discharge precautions when disassembling and reassembling the Kröber O2 and when handling any of the components of the Kröber O2 1 Remove the transport packaging from the control PCB 2 Mount the control PCB with 6 mounting screws to the front panel D SPEC 02 B 00 Kröber O2 Informations techniques_General_EN v 28 06 2019 ...
Page 27: ... Uncoil entirely the temperature sensor wire and thread it through the corresponding hole into the compressor compartment 5 Slide the control PCB including panel and blue plexiglass panel into the slots by half and hold it there D SPEC 02 B 00 Kröber O2 Informations techniques_General_EN v 28 06 2019 ...
Page 28: ...he multifunctional sensor 7 Re install the pressure sensing hose on the pressure sensor port 8 Push the control PCB as far as it goes NOTE Pay attention for a proper fit of the blue card with safety directions D SPEC 02 B 00 Kröber O2 Informations techniques_General_EN v 28 06 2019 ...
Page 29: ...ht top in the figure 10 Re install all leads at the terminal blocks on the control PCB To exclude mix ups the leads are numbered serially no 1 and 2 mains voltage supply no 3 and 4 compressor no 5 and 6 fan D SPEC 02 B 00 Kröber O2 Informations techniques_General_EN v 28 06 2019 ...
Page 30: ...ervice 30 2 5 The compressor 2 5 1 Removing the compressor 1 Disconnect leads no 3 and 4 compressor at the terminal block of the control PCB D SPEC 02 B 00 Kröber O2 Informations techniques_General_EN v 28 06 2019 ...
Page 31: ... Pull the compressor cable through the grommet of the steel plate 4 Disconnect connecting cable of the motor capacitor from the motor capacitor 5 Pull back connecting cable through the grommet D SPEC 02 B 00 Kröber O2 Informations techniques_General_EN v 28 06 2019 ...
Page 32: ...old it 7 Open the clamp at the pressure outlet of the compressor using a screw driver and pull the hose from the nipple 8 Also pull the hose from the compressor inlet nipple 9 Completely remove compressor including support D SPEC 02 B 00 Kröber O2 Informations techniques_General_EN v 28 06 2019 ...
Page 33: ...3 Feed the pressure outlet hose over the stainless steel nipple 4 Secure the connection by pinching the clamp 5 Feed the air inlet hose over the grey plastic nipple 6 Push the compressor including support gently back as far as it goes NOTE Pay attention that the silicone profiles also slide into the slots D SPEC 02 B 00 Kröber O2 Informations techniques_General_EN v 28 06 2019 ...
Page 34: ...h wire separately through the grommet 9 Connect the capacitor with the connection wires 10 Feed the compressor wires to the control PCB Connect labelled leads no 3 4 with the corresponding terminal block 3 4 on the control PCB 11 Secure the whole cable harness with a cable tie at the hose D SPEC 02 B 00 Kröber O2 Informations techniques_General_EN v 28 06 2019 ...
Page 35: ... determination and documentation of the oxygen flow 3 2 Exchanging the filters 3 2 1 Coarse dust filter Time interval if required at least monthly 1 Open the coarse dust filter cover in the rear of the Kröber O2 2 Pull out the old filter 3 Dispose of the old filter 4 Thread the new filter fleece into the holder 5 Re install the filter cover in the back of the Kröber O2 D SPEC 02 B 00 Kröber O2 Inf...
Page 36: ... by careful rotations 3 Dispose of the old filter 4 Install the new filter element by careful rotations 5 Close the service flap 3 2 3 Device outlet filter The device outlet filter resides in the interior of the Kröber O2 before the gas exit and filters particles 8µ 1 Open the KröberO2 see chapter 2 1 1 2 Remove both silicone hoses at the device outlet filter and remove the old used device outlet ...
Page 37: ...new filter Pay attention to the direction of the flow The visible arrow on the filter should direct away from the solenoid towards the multifunctional sensor 5 Close the Kröber O2 D SPEC 02 B 00 Kröber O2 Informations techniques_General_EN v 28 06 2019 ...
Page 38: ...difier reusable clean and disinfect humidifier non reusable dispose holder for humidifier clean and disinfect tubing nasal cannulas masks etc dispose 4 2 with change of the patient humidifier reusable dispose humidifier non reusable dispose holder for humidifier clean and disinfect tubing nasal cannulas masks etc dispose D SPEC 02 B 00 Kröber O2 Informations techniques_General_EN v 28 06 2019 ...
Page 39: ...ctive sieve bed and is pre charged at the end of each cycle with oxygen enriched air All solenoids are directly and microprocessor controlled driven from the control PCB The temperature sensing probe is located in the compressor compartment and releases at temperatures 60 C The pressure in the oxygen reservoir is sensed by a pressure sensor and processed by the microprocessor The product gas passe...
Page 40: ...larm temperature alarm flow alarm O2 status alarm O2 deficiency alarm loudspeaker alarm signals LCD device status and alarm messages adjust volume flow Rotary encoder w push button user actions On Off button device on off USB interface USB interface Mikroprozessor CPU solenoid drivers Funktional unit 230 V terminal block compressor fan Spare buzzer D SPEC 02 B 00 Kröber O2 Informations techniques_...
Page 41: ...Kröber O2 Description of functions 41 5 3 Flow schematics D SPEC 02 B 00 Kröber O2 Informations techniques_General_EN v 28 06 2019 ...
Page 42: ...ntermeasures by the user are required Low priority Utmost attention of the user is required NOTE The alarm priorities can audibly be differentiated by different alarm sound sequences With a higher priority the number of alarm signals per unit of time increases Alarm priority Alarm sound sequence High priority 2 x 5 pulses every 10 seconds Medium priority 3 pulses every 25 seconds Low priority 2 pu...
Page 43: ...mmediately Check whether the air flow into the unit is restricted Also make sure that the unit has a sufficient clearance to other objects wall cupboard etc Check coarse dust filter If congested replace NOTE The oxygen supply is immediately stopped to protect the patient However the compressor keeps on running If fan defect replace If compressor defect replace or service D SPEC 02 B 00 Kröber O2 I...
Page 44: ... to be performed you should proceed as follows Pull the mains plug out of the socket Switch on the unit The alarm works if it is activated during the switch on self test NOTE If the alarm is triggered again after switching on you should inform the service department NOTE The mains failure alarm is supplied by an internal maintenance free capacitor Lack of oxygen alarm High priority The oxygen conc...
Page 45: ...ountermeasures Check humidifier and hoses for leaks Replace functional unit Sensor alarm Medium priority There is a malfunction of the multi function sensor quantity and concentration of oxygen cannot be determined with sufficient accuracy Countermeasures Inform the customer service Check whether the accessories are correctly connected Replace control PCB System alarm High priority Micro processor...
Page 46: ... alarm Medium priority The actual volume flow does not match the setting Countermeasures Check whether the oxygen hose is buckled or squeezed Check whether the accessories are correctly connected Replace control PCB D SPEC 02 B 00 Kröber O2 Informations techniques_General_EN v 28 06 2019 ...
Page 47: ...s 47 5 5 Symbols Symbol Explanation Warning consult instructions for use Applied part type BF Degree of protection II Notified Body TÜV Rheinland I O Power On Off D SPEC 02 B 00 Kröber O2 Informations techniques_General_EN v 28 06 2019 ...
