Mitsubishi Electric MU-A18WV-E1 Manual de servicio

SERVICE MANUALCONTENTS1. TECHNICAL CHANGES ····································2 2. PART NAMES AND FUNCTIONS······················23. SPECIFICATION···

10How to release “AUTO RESTART FUNCTION”1Turn off the main power for the unit.2Pull out the electronic control P.C. board, the receiver P.C.board and

11TROUBLESHOOTING99-1. Cautions on troubleshooting1. Before troubleshooting, check the following:(1) Check the power supply voltage.(2) Check the indo

12StartIndoor unit operates.Outdoor unit doesn't operate.Indoor unit doesn't receive the signal from remote controller.Indoor unit operates

139-3. Troubleshooting check table• The following indication applies regardless of shape of the indicator.Operation IndicatorLightedNot lightedBefore

14MS-GA50VB -MS-GA60VB -MS-GA80VB -E1E1E1Part nameFigureCheck method and criterionIndoor fan motor(MF)MS-GA50/GA60VBINNER FUSE145: CUT OFFMS-GA80VBINN

15YesYesCheck of indoor fan motorACheck of remote controller and receiver P.C. boardBWhen OPERATION INDICATOR lamp flashes 3-time.Indoor fan motor doe

16Check of indoor electronic control P.C. boardCCheck the both “parts side” and “pattern side” of indoor electronic control P.C. board visually.Replac

17How to check mis-wiringD1. Turn OFF the power supply (indoor/ outdoor unit) and disconnect indoor and outdoor connecting wire at the terminal bl

189-6. Test point diagram and voltageMS-GA50VB - MS-GA60VB - MS-GA80VB -Indoor electronic control P.C. boardE1E1E1Fan motor power supplyFuse (F11)

19DISASSEMBLY INSTRUCTIONS10MS-GA50VB - MS-GA60VB - MS-GA80VB -INDOOR UNITE1E1E1(1) Slide the sleeve and check if there is a locking lever or not.

TECHNICAL CHANGES21PART NAMES AND FUNCTIONS2INDOOR UNITGrille(When the grille is opened)Remote controllerOperation sectionDisplay sectionEmergency ope

20OPERATING PROCEDUREPHOTOSPhoto 4Photo 6Vane motorsIndoorcoilthermistorPhoto 33. Removing the electrical box(1) Remove the front panel. (Refer to 1.)

21PARTS LIST11MS-GA50VB - (WH)MS-GA60VB - (WH)MS-GA80VB - (WH)11-1. INDOOR UNIT STRUCTURAL PARTSE1E1E1MS-GA50 VB - (WH) E1MS-GA60

22E02 527 302E02 408 509E02 001 504E02 408 702E02 527 235E02 685 040E02 685 041E02 127 382E02 817 385E02 527 034E02 817 300E02

23OPTIONAL PARTS12Air cleanig filter (White bellows type)AIR CLEANING FILTER● AIR CLEANING FILTER removes fine dust of 0.01 micron from air by means o

New publication, effective Oct. 2004Specifications subject to change without notice.CCCopyright 2004 MITSUBISHI ELECTRIC ENGINEERING CO.,LTDDistribute

REMOTE CONTROLLERMS-GA50VB -MS-GA60VB -MS-GA80VB -E1E1E13ON/OFFTOOCOOL PMAMTOOWARMON/OFFFANTOOWARMTOOCOOLVANEMODEECONO COOL STOP STARTHR.MI

SPECIFICATION43Indoor modelFunctionPower supplyAir flow(High/Med. /Low ) Power outletRunning currentPower inputAuxiliary heaterPower factorFan motor

5NOISE CRITERIA CURVES490807060504030201063 125 250 500 1000 2000 4000 8000OCTAVE BAND SOUND PRESSURE LEVEL, dB re 0.0002 MICRO BARBAND CENTER FREQUEN

OUTLINES AND DIMENSIONS652581621958477.5315255.5472.59817398 173414.5 414.552537915610681100325Air outAir inInsulation [28Drain hose [16(Connected par

MODELS WIRING DIAGRAMMODEL WIRING DIAGRAM7WIRING DIAGRAM6MS-GA50VB -MS-GA60VB -E1E1INDOOR UNIT12VBLKGRYYLWBRNWHTRED3SR141431CN121C11HIC1MV121CN11215

REFRIGERANT SYSTEM DIAGRAM87MS-GA80VB -E1INDOOR UNITIndoorheatexchangerFlared connectionRoom temperaturethermistorRT11Indoor coil thermistorRT13(sub)

9SERVICE FUNCTIONS88-2. P.C. BOARD MODIFICATION FOR INDIVIDUAL OPERATIONA maximum of 4 indoor units with wireless remote controllers can be used in a