Huntleigh Flowtron AC550 Service Manual Download Page 4 | Manualshive

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247901

(ii)

Issue 1

March 1998

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Summary of Contents for Flowtron AC550

Page 1: ...247901 Issue 1 Mar 1998 AC550 Flowtron Excel system Service Manual Huntleigh HEALTHCARE...

Page 2: ...247901 Issue 1 Mar 1998...

Page 3: ...sions incorporated in this copy of the manual must be recorded below Revision No Issue Date Date Inserted By Signature Remarks 1 03 98 First Issue 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 2...

Page 4: ...247901 ii Issue 1 March 1998...

Page 5: ...998 This manual is intended to be used only by qualified Huntleigh Healthcare service technicians In the event that the manual is provided to a customer in response to customer requirements the custom...

Page 6: ...247901 iv Issue 1 March 1998...

Page 7: ...NCE 4 1 Servicing Protocol 4 1 Procedure to Remove Top Cover 4 1 General Service Pump 4 2 Pressure Output and Calibration Checks 4 2 Pressure Control Calibration 4 3 Pressure Display Calibration 4 4 C...

Page 8: ...splay PCB 5 4 Replacing the Electrical Supply On Off Switch 5 4 Replacing the Pressure Control Knob 5 4 Locking Knob Option Part 247087 5 4 Pressure Control Assembly 5 5 Replacing the Pressure Control...

Page 9: ...2 Operational Maintenance describes both functional and static checks to ensure correct operation during the service life of the system Section 3 Troubleshooting contains tables of fault symptoms pos...

Page 10: ...econds of deflation The recommended operating pressure is 40 mmHg unless otherwise prescribed by a physician The pump unit is a piece of precision equipment and providing it is handled and properly se...

Page 11: ...ration and frequency of the garment inflation 3 Pressure Control Valve This sets the maximum pressure that can be delivered to the garments 4 Differential Pressure Transducer This measures the pressur...

Page 12: ...1 4 Pneumatic Schematic 247901 1 4 Issue 1 March 1998...

Page 13: ...1 5 Valve Sequence 247901 1 5 Issue 1 March 1998...

Page 14: ...1 6 Electrical Wiring Schematic 247901 1 6 Issue 1 March 1998...

Page 15: ...1 7 General Assembly 247901 1 7 Issue 1 March 1998...

Page 16: ...247901 1 8 Issue 1 March 1998...

Page 17: ...ting and replace if necessary 3 Check that the control knob is set to the recommended setting of 40 mmHg 4 Check the calibration of the control knob and pressure display In normal operation when the d...

Page 18: ...247901 2 2 Issue 1 March 1998...

Page 19: ...ment faults should be checked as below Display Problem Corrective Action 1 Loose fitting garment 2 Hose disconnected at garment 3 Garment leak 4 Low pressure 1 Rewrap snugly 2 Check the hose connectio...

Page 20: ...will now indicate the actual pressure to 1 mmHg resolution and also display the detailed fault codes Fault codes and counter measures are described in the following table see pages 3 3 and 3 4 3 3 Lo...

Page 21: ...t connectors Rotary valve failed in the closed position Compressor failure Pressure control valve fault No inflation of both garments 1 normal cycle or power reset F F3 Pressure greater than 72mmHg de...

Page 22: ...nd period from an initial inflation point of 5 mmHg If 10 similar events are detected in succession on the same output the pump will alarm As each event is detected a Lo message briefly appears on the...

Page 23: ...using a suitable screwdriver 4 Turn the pump over as one whole unit and then carefully remove the top cover 247901 4 1 Issue 1 March 1998 WARNING Before dismantling the pump unit ensure unit has been...

Page 24: ...he service record sheet Re assemble pump unit completely run for a minimum of 1 hour and check calibration Adjust if required Note It is important to ensure all tools used for servicing are kept in go...

Page 25: ...tput port to the same specification 6 Check the air flow of each output Flow specification With control knob set to 40 MmmHg Minimum Flow 6 0 liter per minute free flow With control knob set to Maximu...

Page 26: ...t service mode as detailed in Section 3 2 This pressure reading will cycle in the same manner as therapy would normally occur Thus the display should show a constantly low reading i e 3 mmHg for appro...

Page 27: ...and the display changes to C7 7 Apply 70 mmHg to the tubing added earlier and press the Single Leg button ensuring the pump beeps and the display changes to show AS Again wait for approximatley 5 sec...

Page 28: ...unit upside down on a flat clean surface Remove the rubber feet and unscrew the four self tapping screws Holding the unit in both hands turn it onto its base and carefully remove the lid and place to...

Page 29: ...f Tubes are fully pushed on and are free from kinks g Tubes and electrical insulation are not damaged h Power switch illuminates i Wiring is tidy j Outlet tubes and connectors are secure and attached...

Page 30: ...247901 4 8 Issue 1 March 1998...

Page 31: ...ar Box Assembly This is a sealed unit which cannot be repaired and must be replaced if faulty 1 Remove the main PCB as previously described 2 Unscrew the 2 nylon pillars 3 Disconnect all tubing attach...

Page 32: ...5 4 Replacing Main PCB or Front Display Panel 247901 5 2 Issue 1 March 1998...

Page 33: ...5 5 Replacing the Motor Gearbox Assembly 247071 247901 5 3 Issue 1 March 1998...

Page 34: ...ssure control knob to the maximum position which is the far right of the dial The securing screw is now visible from the bottom access position Unscrew and remove When replacing the knob press down ha...

Page 35: ...5 10 Pressure Control Assembly 247901 5 5 Issue 1 March 1998...

Page 36: ...essure control ensuring all tubes are pushed fully onto their mounts 7 Re apply the existing label or apply a new label as appropriate 5 12 Replacing the Connectors Disconnect all tubing from the rele...

Page 37: ...sounder is firmly attached by applying pressure for 10 seconds Note Sounder clarity and volume are dependant on the quality of this bonding so ensure sounder output is checked by forcing the pump into...

Page 38: ...247901 5 8 Issue 1 March 1998...

Page 39: ...2 digit 7 segment red LED that indicates garment pressure in 5 mmHg steps fault conditions HI Lo F Single garment amber LED Power on green illuminated switch and green LED on top panel Fault red LED...

Page 40: ...247901 6 2 Issue 1 March 1998...

Page 41: ...t Filter BP044 Filter Inlet 501309 Sponge Strip BP190 Main Printed Circuit Board 247054 Display Printed Circuit Board 247057 Motor Gear Box Assembly 247071 On Off Switch BP006 Connector Assembly 24707...

Page 42: ...lock BP514 Display Panel 247303 Pressure Control Components Pressure Control Knob 247339 Flowtron Spring PRE028 2 way Mate N Lock Cover 151357 Socket Mate N Lock 151358 Pressure Control Knob locked ve...

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