Fisher & PaykelメーカーMR810の使用説明書/サービス説明書
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MR810 RESPIRATORY HUMIDIFIER TECHNICAL MANUAL Revision C Copyright © 2004 Fisher & Paykel Healthcar e Ltd Auckland, New Zeala nd.
2 MR810 Technical Manual Rev C REF 185042601 Int ernat iona l Fisher & Paykel Healthcare Ltd 15 Maurice Paykel Place, East Tam aki, Auckland 1701 P O Box 14 348, Panm ure, Auckland 1134 New Zealand Tel: +64 9 574 0100 Fax: +64 9 574 0158 Sales info: info @fphcare.
MR810 Technical Manual Revision C REF 185042601 3 CONTENTS 1 G ENERAL I NFORMATIO N ............................................................................................. 5 1.1 Intro duction .....................................................
4 MR810 Technical Manual Rev C REF 185042601 6.9 Completing the Serv ice ..................................................................................................... ...................... 30 7 E LECTRICAL S AFETY T ESTS .....................
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 w ho will service and maintain the Fisher & Paykel Healthcare MR810 Respir atory Humidi fier.
6 MR810 Technical Manual Rev C REF 185042601 1 1.4 S YMBOLS Front Panel S ymbols Side Panel Symbols Power On/Off (stand by) Caution: Hot surfaces may exceed 75 °C Temperature Cont rol Type BF Increas.
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.
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 Tempe rature: -10 to 50 °C (14 to 12 2 °F) 30 to 95 % relative humidity 2.
MR810 Technical Manual Revision C REF 185042601 9 3 3 O PERATION AND C ONTROLS 3.1 A PPLICATION The MR810 R espiratory Hu midifier is de signed t o heat and humidify res piratory gases delivered to t he patient via a face, nasal, or oral mask. The in sp ired gas is passed through the chamber of water where it is heated and hu midified.
10 MR810 Technical Manual Rev C REF 185042601 3 3.3 S ETUP Figure 3.1: Ty pical setup fo r oxygen therapy using a heated breathing circuit Figure 3.2: Ty pical setup fo r oxygen therapy using an unhea.
MR810 Technical Manual Revision C REF 185042601 11 3 3.4 C ONTROLS AND I NDICATORS Figure 3.3: M R810 controls an d indicator s 3.4.1 P OWER B UTTON When this button is pressed briefly, the hu midifier will to ggle "on" or "off". The hu midifier 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 typ es: Hardware Fault .
MR810 Technical Manual Revision C REF 185042601 13 3 3.5 O PERATION The MR810 h umidifier 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 brea thin g circuit (between 10 and 28 Ω ) to the MR810 will automatically initiate the heater-wire mode of c ontrol.
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.
MR810 Technical Manual Revision C REF 185042601 15 4 4 M AINTENANCE & C LEANING P ROCEDURES 4.1 C LEANING The followin g is the recom mended clea ning proce dur e for the MR810 Respiratory Humidif ier . Solutions listed below have been tested to ensure that no dama ge will occur with the m etal and plastic components of the humidi fier.
160 1 T610.027.9810.027.981223.2 43.9m0 g/G6.08 gc-G6.04 MR81( )echnical Manual Rev C REF 185042601.
MR810 Technical Manual Revision C REF 185042601 17 5 5.2 S EE M ANUAL C ODES When the See Manual Indicator is illuminated th e humi difier will switch off the heater plate and heater- wire. Pressing the Temperature Sett ing button disp lays the error code on t he Temperature Setting Indicators, as e xplained i n Table 3.
18 MR810 Technical Manual Rev C REF 185042601 6 6 S ERVICING P ROCEDURES NOTE: A complet e list of spa re parts in c ontained i n Appendix C . 6.1 P RECAUTIONS WARNING : Even if the MR810 is switched off with the power button, the unit is still energised.
MR810 Technical Manual Revision C REF 185042601 19 6 Figure 6.1: Re moving the case bo ttom 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 cla mp will need to be gu ided out of its locato r on the top case.
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 a nd 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.
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 th e PCB (refer to § 6.
22 MR810 Technical Manual Rev C REF 185042601 6 6.5 S ERVICING THE H EATER P LA TE Table 6: MR810 Screw Torque Se ttings Exploded Diagram Reference Screw Application Driver Torque (in/oz) Torque (Nm) Figure 8.2: 9, 1 1 Screw M4 x 8 Pan Phil Taptite Heater Plate Earth, Heater Plate Element Philips #2 2 05–234 1.
MR810 Technical Manual Revision C REF 185042601 23 6 6.5.2 R EMOVING THE H EATER P LATE 1. Disconnect the power sup p ly, remove the case botto m, unscrew and lift out the PCB (refer to § 6.
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 the rmistor fault, the resi stance of the therm istor(s) ca n be checked at known temperatures against the resistance-tem perature table (Table 8 below).
MR810 Technical Manual Revision C REF 185042601 25 6 6. Clip one small cable tie (2.5 mm wide) around th e heater plate harnesses n ear the heater plate, securing all wires as they protrude through the top case. Place a seco nd cable tie near the the rmistor connectors to secure the thermistor wires as they enter the conn ector (refer to Figu re 6.
26 MR810 Technical Manual Rev C REF 185042601 6 6.5.6 R EPLACING THE H EATER P LATE E LEMEN T NOTE : The correct heater plate element is req uired (refer t o Table 9 below) . 1. Open the case and remove the PCB (§ 6.2). 2. Remove the heater plate (§ 6.
MR810 Technical Manual Revision C REF 185042601 27 6 6.5.7 I NSTALLING THE H EATER P LATE Figure 6.9: He ater plate asse mbly 1. Ensure the hea ter plate springs are located in th eir respective location holes on the heater plate. 2. Pull the heater plate ha rness through the hol e in the case to p (Figure 13).
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 & Payk el Healthcare). If other cables are used ensure that they are fitted with ferrules to prevent loose wire strands.
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: Orientati on of button flange and button insert 1. Open the case and remove the PCB as outlined in § 6.
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 an d fr on t of the case top.
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.
32 MR810 Technical Manual Rev C REF 185042601 8 8 P ERFORMANCE T EST P ROCEDURE 8.1 I NTRODUCTION This section outlines the performance testing required for the MR810 as pa rt of the annual maintenan c e or after servicing of the humidifier. If the MR810 is intended to be used with a heated wire circuit, perform the functional check (§ 8.
MR810 Technical Manual Revision C REF 185042601 33 8 8.3.2 T EST P ROCEDURE 1. Connect the MR810 as for normal operation (re fer to § 3). Make sure t he airway probe port is cap ped. 2. Check the therm ometer for air bubbles in the red alco hol, and discard if any are present.
34 MR810 Technical Manual Rev C REF 185042601 A Appendix A: M AINTENANCE C HECKLIST This sheet is in tended to be used as a history of m aintenance pe rformed on the MR810 hu midifier.
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 hav e significance for servicing.
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 Par ts List Reference (Figure 8.
MR810 Technical Manual Revision C REF 185042601 37 C C.2 MR810 E XPLODED D IAGRAM Figure 8.1: M R810 Explod ed Diagr am.
38 MR810 Technical Manual Rev C REF 185042601 C C.3 H EATER P LATE P ARTS L IST Table 15: Heater Plate Par ts List Reference (Figure 8.2) Part Number Description 1 095 428 873 Heater Plate and Thermal.
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 Diagr am.
40 MR810 Technical Manual Rev C REF 185042601 D Appendix D: E LECTROMAGNETIC C OMPATIBILITY D.1 C OMPLIANCE AND W ARNINGS The MR810 wi th RT308 breathing circ uit has bee n tested to and found com pliant with th e requirem ents of IEC 60601-1-2: 2001.
MR810 Technical Manual Revision C REF 185042601 41 D D.3 E LECTROMAGNETIC I MMUNITY Guidance and manufacturer’s declarat ion – electromagnetic immunity The MR810 is intended for use in the electromag n etic envi ronment specified below. The customer or the user of the MR81 0 should assure that it is use d in suc h an enviro nment.
42 MR810 Technical Manual Rev C REF 185042601 D Guidance and manufacturer’s declarat ion – electromagnetic immunity The MR810 is intended for use in the electromag n etic envi ronment specified below.
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 environm ent in which ra diat ed RF disturbances are controlled.
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