CONTENTS1. TECHNICAL CHANGES ····································2 2. PART NAMES AND FUNCTIONS······················33. SPECIFICATION·················
10SERVICE FUNCTIONS8Table 1No. 1 unitNo. 2 unitNo. 3 unitNo. 4 unit1 unit operationNo modification–––2 units operationSame as at leftSolder J1––3 unit
11How to disable “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
12TROUBLESHOOTING99-1. Cautions on troubleshooting1. Before troubleshooting, check the following:(1) Check the power supply voltage.(2) Check the indo
13StartIndoor unit operates.Outdoor unit does not operate.Indoor unit does not receive the signal from remote controller.Indoor unit operates.Outdoor
149-3. Troubleshooting check table• The following indication applies regardless of shape of the indicator.Operation IndicatorLightedNot lightedBefore
15MSH-GA50VBMSH-GA60VBMSH-GA80VBPart name FigureCheck method and criterionIndoor fan motor(MF)MSH-GA50/GA60VBINNER FUSE145: CUT OFFMSH-GA80VBINNER PRO
16YesYesCheck of indoor fan motorACheck of remote controller and receiver P.C. boardBWhen OPERATION INDICATOR lamp flashes 3-time.Indoor fan motor doe
17Check of indoor electronic control P.C. boardCCheck the both “parts side” and “pattern side” of indoor electronic control P.C. board visually.Replac
18How to check mis-wiringD1. Turn OFF the power supply (indoor/ outdoor unit) and disconnect indoor and outdoor connecting wire on indoor side.2.
199-6. Test point diagram and voltageMSH-GA50VB MSH-GA60VB MSH-GA80VBIndoor electronic control P.C. boardFan motor power supply(CN211)Fuse (F11) T
2TECHNICAL CHANGES1MSH-A18WV - ➔MSH-GA50VB -MSH-A24WV - ➔MSH-GA60VB -MSH-A30WV - ➔MSH-GA80VB -1. Model name has been changed.Indication of capac
20MSH-GA50VB MSH-GA60VB MSH-GA80VBIndoor electronic control P.C. board+}}Resistance(k)+{Fuse (F11)12 VDCFan motor power supply(CN211)5 VDCVane mot
21DISASSEMBLY INSTRUCTIONS1010-1. MSH-GA50VB MSH-GA60VB MSH-GA80VBNOTE: Turn OFF power supply before disassembly.(1) Slide the sleeve and check i
22OPERATING PROCEDUREPHOTOSPhoto 4Photo 6Vane motorsIndoorcoilthermistorPhoto 33. Removing the electrical box(1) Remove the front panel. (Refer to 1.)
23PARTS LIST (non-RoHS compliant)11MSH-GA50VBMSH-GA60VBMSH-GA80VB 11-1. INDOOR UNIT STRUCTURAL PARTSMSH-GA50 VB - E1MSH-GA60 VB
24w1 Refer to 9-6.RC4V40 -Including RUBBER MOUNT,MOTOR BAND and MOTOR BEDE02 527 302E02 408 509E02 001 504E02 408 702E02 996 235E02 685 04
25RoHS PARTS LIST (RoHS compliant)12MSH-GA50VBMSH-GA60VBMSH-GA80VB 12-1. INDOOR UNIT STRUCTURAL PARTSMSH-GA50 VB - E1MSH-GA60 V
26w1 Refer to 9-6.E12 527 302E12 408 509E12 001 504E12 408 702E12 996 235E12 685 040E12 685 041E12 A49 382E12 817 385E12 527 034E1
2713Air cleaning filter (White bellows type)AIR CLEANING FILTER● Normal life of AIR CLEANING FILTER is 4 months. However, when it becomes dirty, repla
New publication, effective Jan. 2012Specifications are subject to change without notice.CCCopyright 2007 MITSUBISHI ELECTRIC CORPORATIONDistributed in
3PART NAMES AND FUNCTIONS2Grille(When the grille is opened)Remote controllerOperation sectionDisplay sectionEmergency operation switchOperation indica
4REMOTE CONTROLLERMSH-GA50VBMSH-GA60VBMSH-GA80VBON/OFFTOOCOOL PMAMTOOWARMON/OFFFANTOOWARMTOOCOOLVANEMODEECONO COOL STOP STARTHR.MIN.WIDE VA
5SPECIFICATION3Indoor modelFunctionPower supplyAir flow (High/Med./Low) Breaker capacityRunning currentPower inputPower factorFan motor currentModelWi
6NOISE CRITERIA CURVES490807060504030201063 125 250 500 1000 2000 4000 8000OCTAVE BAND SOUND PRESSURE LEVEL, dB re 0.0002 MICRO BARBAND CENTER FREQUEN
7OUTLINES AND DIMENSIONS52581591958477.5315255.5472.59817398 173414.5 414.552537915610681100325Air outAir inInsulation [28Drain hose [16(Connected par
8WIRING DIAGRAM6MSH-GA50VBMSH-GA60VB1.About the outdoor side electric wiring refer to the outdoor unit electric wiring diagram for servicing.2.Use cop
9REFRIGERANT SYSTEM DIAGRAM7MSH-GA80VBIndoorheatexchangerFlared connectionRoom temperaturethermistorRT11Indoor coil thermistorRT13(sub)Flared connecti
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