Fisher & Paykel MR810 - Manuals

MR810 Technical Manual Revision C REF 185042601 5 1 1 G ENERAL I NFORMATION 1.1 I NTRODUCTION This manual is intended for use by qualified service personnel who will service and maintain the Fisher & Paykel Healthcare MR810 Respiratory Humidifier. This manual covers the following: • Specificatio...

6 MR810 Technical Manual Rev C REF 185042601 1 1.4 S YMBOLS Front Panel Symbols Side Panel Symbols Power On/Off (stand by) Caution: Hot surfaces may exceed 75 °C Temperature Control Type BF Increasing Setting Attention – consult accompanying documents Internal Symbols Alternating Current Caution: El...

MR810 Technical Manual Revision C REF 185042601 7 2 2 S PECIFICATIONS 2.1 M ECHANICAL Dimensions: 94 x 154 x 135 mm (without chamber fitted). Weight: 1.7 kg without chamber. 2.0 kg with MR290 filled with water. 2.2 E LECTRICAL Supply Voltage: 230 V~ (MR810A--) 115 V~ (MR810J--) 100 V~ (MR810G--) Sup...

8 MR810 Technical Manual Rev C REF 185042601 2 2.4 T RANSPORT AND S TORAGE Transport Temperature: -10 to 50 °C (14 to 122 °F) 30 to 95 % relative humidity Storage Temperature: -10 to 50 °C (14 to 122 °F) 30 to 95 % relative humidity 2.5 S TANDARDS IEC 60601-1:1988, Medical electrical equipment, Part...

MR810 Technical Manual Revision C REF 185042601 9 3 3 O PERATION AND C ONTROLS 3.1 A PPLICATION The MR810 Respiratory Humidifier is designed to heat and humidify respiratory gases delivered to the patient via a face, nasal, or oral mask. The inspired gas is passed through the chamber of water where ...

10 MR810 Technical Manual Rev C REF 185042601 3 3.3 S ETUP Figure 3.1: Typical setup for oxygen therapy using a heated breathing circuit Figure 3.2: Typical setup for oxygen therapy using an unheated breathing circuit Heated Breathing Circuit Chamber Gas source Heater wire adapter MR810 Humidifier H...

MR810 Technical Manual Revision C REF 185042601 11 3 3.4 C ONTROLS AND I NDICATORS Figure 3.3: MR810 controls and indicators 3.4.1 P OWER B UTTON When this button is pressed briefly, the humidifier will toggle "on" or "off". The humidifier defaults to the High setting when turned on....

12 MR810 Technical Manual Rev C REF 185042601 3 3.4.3 "S EE M ANUAL " I NDICATOR The "See Manual" indicator displays two fault types: Hardware Fault . The "See Manual" indicator flashes off and on. Briefly pressing the Temperature Setting button briefly produces a pattern on ...

MR810 Technical Manual Revision C REF 185042601 13 3 3.5 O PERATION The MR810 humidifier has two modes of operation: (a) heater-wire mode and (b) non heater-wire mode. 3.5.1 H EATER -W IRE M ODE Connecting a heated wire breathing circuit (between 10 and 28 Ω ) to the MR810 will automatically initiat...

14 MR810 Technical Manual Rev C REF 185042601 3 3.5.2 N ON H EATER - WIRE M ODE If no heater-wire is detected, the MR810 initiates non heater-wire mode. In this mode the heater plate temperature is controlled to a fixed value. Heater plate temperatures for each temperature setting are as follows: Lo...

MR810 Technical Manual Revision C REF 185042601 15 4 4 M AINTENANCE & C LEANING P ROCEDURES 4.1 C LEANING The following is the recommended cleaning procedure for the MR810 Respiratory Humidifier. Solutions listed below have been tested to ensure that no damage will occur with the metal and plast...

MR810 Technical Manual Revision C REF 185042601 17 5 5.2 S EE M ANUAL C ODES When the See Manual Indicator is illuminated the humidifier will switch off the heater plate and heater-wire. Pressing the Temperature Setting button displays the error code on the Temperature Setting Indicators, as explain...

18 MR810 Technical Manual Rev C REF 185042601 6 6 S ERVICING P ROCEDURES NOTE: A complete list of spare parts in contained in Appendix C. 6.1 P RECAUTIONS WARNING: Even if the MR810 is switched off with the power button, the unit is still energised. Disconnect the MR810 from the power supply before ...

MR810 Technical Manual Revision C REF 185042601 19 6 Figure 6.1: Removing the case bottom 6.2.2 R EMOVING THE PCB 1. Unscrew the two screws holding the PCB in place. 2. Carefully lift the rear of the PCB up, the cable clamp will need to be guided out of its locator on the top case. Lift the PCB away...

20 MR810 Technical Manual Rev C REF 185042601 6 6.3 R EPLACING F USES WARNING: Be sure to replace fuses with the correct type and rating, specified in Table 4. Always replace fuse F3 with a 2 A fast blow type as serious injury could result from the wrong fuse. Open the case and remove the PCB (refer...

MR810 Technical Manual Revision C REF 185042601 21 6 6.4 R EPLACING THE PCB Table 5 : Spare PCB part numbers Model Supply Voltage PCB Part Number MR810A-- 230 V~ 043 042 232 MR810J-- 115 V~ 043 042 233 MR810G-- 100 V~ 043 042 234 1. Open the case and remove the PCB (refer to § 6.2). 2. Cut the cable...

22 MR810 Technical Manual Rev C REF 185042601 6 6.5 S ERVICING THE H EATER P LATE Table 6: MR810 Screw Torque Settings Exploded Diagram Reference Screw Application Driver Torque (in/oz) Torque (Nm) Figure 8.2: 9,11 Screw M4 x 8 Pan Phil Taptite Heater Plate Earth, Heater Plate Element Philips #2 205...

24 MR810 Technical Manual Rev C REF 185042601 6 6.5.4 R EPLACING THE H EATER P LATE T HERMISTOR If the device has shown a thermistor fault, the resistance of the thermistor(s) can be checked at known temperatures against the resistance-temperature table (Table 8 below). Table 8: Thermistor resistanc...

MR810 Technical Manual Revision C REF 185042601 25 6 6. Clip one small cable tie (2.5 mm wide) around the heater plate harnesses near the heater plate, securing all wires as they protrude through the top case. Place a second cable tie near the thermistor connectors to secure the thermistor wires as ...

26 MR810 Technical Manual Rev C REF 185042601 6 6.5.6 R EPLACING THE H EATER P LATE E LEMENT NOTE : The correct heater plate element is required (refer to Table 9 below). 1. Open the case and remove the PCB (§ 6.2). 2. Remove the heater plate (§ 6.5.2). 3. Cut the cable ties attached to the heater p...

MR810 Technical Manual Revision C REF 185042601 27 6 6.5.7 I NSTALLING THE H EATER P LATE Figure 6.9: Heater plate assembly 1. Ensure the heater plate springs are located in their respective location holes on the heater plate. 2. Pull the heater plate harness through the hole in the case top (Figure...

28 MR810 Technical Manual Rev C REF 185042601 6 Caution When connecting the power cable ensure the polarity of the wires is correct (the table given above applies to power cords supplied by Fisher & Paykel Healthcare). If other cables are used ensure that they are fitted with ferrules to prevent...

MR810 Technical Manual Revision C REF 185042601 29 6 6.7 R EPLACING THE P USH B UTTONS AND THE LED L IGHT P IPE 6.7.1 R EPLACING THE P USH B UTTONS Figure 6.11: Orientation of button flange and button insert 1. Open the case and remove the PCB as outlined in § 6.2. 2. To replace the push buttons, re...

30 MR810 Technical Manual Rev C REF 185042601 6 6.8 A SSEMBLING THE PCB AND C ASE 6.8.1 I NSTALLING THE PCB 1. Ensure the LED light pipe is located correctly in the holes in the top and front of the case top. 2. Carefully angle the front of the PCB over the LED light pipe, inserting the push button ...

MR810 Technical Manual Revision C REF 185042601 31 7 7 E LECTRICAL S AFETY T ESTS After the MR810 has been serviced, perform the following electrical safety tests as listed below or in accordance with relevant country regulations. 7.1 P ROTECTIVE E ARTH R ESISTANCE Use an ohmmeter and measure the re...

34 MR810 Technical Manual Rev C REF 185042601 A Appendix A: M AINTENANCE C HECKLIST This sheet is intended to be used as a history of maintenance performed on the MR810 humidifier. Please copy the form and complete as required. Hospital Ward / Department MR810 Maintenance Record Serial Number Equipm...

MR810 Technical Manual Revision C REF 185042601 35 B Appendix B: P RODUCT H ISTORY This section details the changes made to the product which may have significance for servicing. Table 11: Product Change History Date Change Number First Serial # affected Description of Change April 2002 - 0204110000...

36 MR810 Technical Manual Rev C REF 185042601 C Appendix C: D RAWINGS AND P ARTS L IST C.1 MR810 S PARE P ARTS L IST Table 14: MR810 Parts List Reference (Figure 8.1) Part Number Description 1 614 042 002 Printed Circuit Board Screws 2 614 042 002 Case Screws 3 043 042 324 MR810 AEA Lower Case inclu...

38 MR810 Technical Manual Rev C REF 185042601 C C.3 H EATER P LATE P ARTS L IST Table 15: Heater Plate Parts List Reference (Figure 8.2) Part Number Description 1 095 428 873 Heater Plate and Thermal Cut Out Harness 2 043 040 643 100 V~ Element 043 041 340 115 V~ Element 043 041 342 230 V~ Element 3...

MR810 Technical Manual Revision C REF 185042601 39 C C.4 H EATER P LATE E XPLODED D IAGRAM Figure 8.2: Heater Plate Exploded Diagram

40 MR810 Technical Manual Rev C REF 185042601 D Appendix D: E LECTROMAGNETIC C OMPATIBILITY D.1 C OMPLIANCE AND W ARNINGS The MR810 with RT308 breathing circuit has been tested to and found compliant with the requirements of IEC 60601-1-2: 2001. WARNING: The use of other accessories other than those...

MR810 Technical Manual Revision C REF 185042601 41 D D.3 E LECTROMAGNETIC I MMUNITY Guidance and manufacturer’s declaration – electromagnetic immunity The MR810 is intended for use in the electromagnetic environment specified below. The customer or the user of the MR810 should assure that it is used...

42 MR810 Technical Manual Rev C REF 185042601 D Guidance and manufacturer’s declaration – electromagnetic immunity The MR810 is intended for use in the electromagnetic environment specified below. The customer or the user of the MR810 should assure that it is used in such an environment Emissions Te...

MR810 Technical Manual Revision C REF 185042601 43 D Recommended separation distances between portable and mobile RF communications equipment and the MR810 The MR810 is intended for use in an electromagnetic environment in which radiated RF disturbances are controlled. The customer or the user of th...