Mitsubishi Electric MS09EW Service & Parts Manual Download Page 21 | Manualshive

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Summary of Contents for MS09EW

Page 1: ...SERVICE PARTS MANUAL Wireless type Models INDOOR UNlT MSOSEW MS12EN OUTDOOR UNlT ...

Page 2: ...s from 1 2 0 D to 5 8 0 D 3 Compressor of MS15EN changed RH207NAB t RH 207NFL 4 New model has Auto restart function Cut the jumper wire to work the function I CHANGE POINTS MSMI8EW 1 lndoor unit model changed 2 Compressor changed KH 122WEV KH 122WES 3 New model has Auto restart function Cut the jumper wire to work the function M o d e l indication of wiring diagram and spec name plate etc chanegd ...

Page 3: ...OF MICROPROCESSOR CONTROLLED FUNCTION Automatic ON OFF Timer Convenienttimer function includesAuto Start Auto Stop both can be set 1 12 hours Auto Stop Night Setback Mode This mode raisesthe temperature setting by 1 Fafter one hour and by another 1 Fthe next half hour When 1 1 2 hours have passed the air conditioner is running at a setting that is 2 F higher thus preventing excessive cooling Autom...

Page 4: ...ce from set temper ature is 2 to 3 F D D 0 Shows that the room temperature has almost reached the set temperature difference from set temperature is 2 F or less I POWER lamp L ghts by turning POWER SWITCH on 2 OUTDOOR UNIT I Receives signal from the wireless remote controller Use only for TEST RUN at installation or when the WIRELESS REMOTE CONTROLLER maVunctlons Do not press thls button dunng nor...

Page 5: ...feel TOO WARM or TOO COOL and OKAY comfort during the operation of the unit the desired temperature can be changed by pressing the following buttons I I TO0 WARM Press when you feel too warm 0 while the unit is operating That comfort will be maintained TOO COOL Press when you feel too cool I i n A selector for automatic ON OFF of the air conditioner NORMAL Continuous operation regardlessof the tim...

Page 6: ... the room temperature k approaching the set temperature difference from set temper ature is 2 to T F II D D Shows that the room temperature has almost reached the set temperature difference from set temperature is2 F or less POWER OPERATION lamp Lightswhen POWER is turned ON I OUTDOOR UNIT Use only for TEST RUN at REMOTE CONTROLLER Do not pres th s button dunng normal operabon or the operation sto...

Page 7: ...WES KH122WESx 2 MUOSEW Munsell 5Y6 5 1 MUM18EW 115 60 1 Compressor REMOTE CONTROLLER I Wireless type 1 208 230 60 1 Winding resistance at 68F n R L A Refrigerant control 15 Capillarytube Dimensions Control voltage by built in transformer 15x2 C R 0 98 C S 2 21 29 15 16 9 I 6 21 1 4 73 W in D ln H in 12V DC Pipe size 10 33 1 2 11 7 16 12 5 8 23 7 8 122 Weight Ib Connection method Note I Rating cond...

Page 8: ...finish Munsell 5Y6 5 1 MUl2EN Power supply V Hz 4 1 208 230 60 1 L R A Refrigerant control W in MU15EN Dimensions 29 REMOTE CONTROLLER Control voltage by built in transformer REFRIGERANT PIPING 35 D in H in Wireless type 12V DC Not supplied optionalparts Pipe size Notes 1 Rating conditions cooling Indoor 80 FDBr67 FWB Outdoor 95FDB 75FWB Capillary tube 33 1 2 11 7 16 12 5 8 23 7 8 Weight Ib Connec...

Page 9: ...EN MU12EN Cooling capacity SHF at ratlng condition 0 7 1 Airflow 406CFM 18 e i fj 15 Et X 12 71 0 67 m a 63 5 9 m C 2 z c 2 E C e 71 2 67 63 8 1 k 3 a m C I 67 75 85 95 95 105 115 Outdoor intake air DB temperature F MSOSEWx2 MUM18EW Cooling capacity SHF st rating condition 0 7 Airflow 237CFM Bypass Factor 0 07 I I I I I I I Outdoor mtake air DB temperature rF Outdoor ntake air DB temperature F ...

Page 10: ...CTION PRESSURE Data is based on the condition of indoor humidity 50 Air flow should be set at Hi A point on the curve shows the reference point P I P a c I 3 m 85 90 95 100 1 Outdoor ambienttemperature Outdoor ambienttemperature ...

Page 11: ...Data is based on the condition of indoor humidity 50 Air flow should be set at HI A point on the curve shows the reference point MU12EN PSIG Outdoor ambient temperature ...

Page 12: ...Data is based on the condition of indoor humidity 50 Air flow should be set at HI A point on the curve shows the reference point MUISEN Outdoor ambient temperature ...

Page 13: ...based on the condition of indoor humidity 50 Air flow should be set at HI A point on the curve shows the reference point PSIG 1 0 0 I I I I 0 85 90 95 100 Outdoor ambient temperature Outdoor ambienttemperature ...

Page 14: ...SOSEW 14 3 25 3 M S l SEN Wet 406 13 6 24 1 WB F 67 71 78 4 ADDITIONAL REFRIGERANT CHARGE R 22 oz Minimum temperature The air coverage range is the value up to the position where the air speed is 1 ft sec when air is blown out horizontally from the unit properly at the High speed position The coverage range should be used only as a general guideline since it varies according to the size of the roo...

Page 15: ...5 MAX REFRIGERANT PIPING LENGTH MAX HEIGHT DIFFERENCE Additional piping Max length r 49 ft Jt does not matter which of two units is higher INDOOR UNIT A INDOOR UNIT I3 OUTDOOR UNlT ...

Page 16: ...ibs 120z 1 31bs 30z 1 31bs 70z I 14 300 14 600 0 67 MS1SEN 0 3 5 0 4 7 Comp shell bottom temp Ref pipe length MUO9EW 208 230 60 1 1 12 1 15 252 79 Condensingtemperature Suction temperature indoor side Discharge air temperature 208 230 60 1 0 5 1 41 1 44 F ft Fan speed rpm I 1 430 1 1 530 I 1 530 I 0 5 MU12EN p p p 269 84 F F Intake air temperature MU1SEN 285 77 159 25 F F DB WB Airflow I CFM 920 I...

Page 17: ...perature Comp shell bottom temp I F 1 166 I 8 4 0 0 2 MUM18EW 208 230 60 1 3 wire Refrigerant circuit 0 82 6 5 psi G F Indoor side 1 64 7 2 2 Condensing temperature Ref pipe length Refrigerant charge 76 188 I Airflow Hi CFM I 237 I 79 184 F ft Intake air temperature Discharge air temperature Outdoor side Suction temperature 1 F I 63 25 21bs 202X 2 109 50 Fan soeed I rpm I 1 430 DB WB DB WB 119 Int...

Page 18: ... 2 1 Air in OUTLINES AND DIMENSIONS 111 2 3 16 3 4 Wireless remotecontroller OUTDOOR UNlT Air out Air out Drain hoseO D 5 8 Insulation0 0 1 1 8 REQUIRED SPACE Unit inch Wiring hole 43 7 8 Refrigerantpipe Flared 0 D 3 8 Note The symbol 4 indicates diameter ...

Page 19: ...arejoint 1 4F Gas line O D 3 8 16 15 16 InsulationFlarejoint 5 8F 0 D 2 3 16 O D l 1 8 3 MODEL MS12EN Unit inch MS15EN INDOOR UNlT 3 1 2 32 1 4 3 1 2 INDOOR UNIT REQUIRED SPACE 4 In or more 4 3 8 In or more OUTDOOR UNlT b i q 5 i i i i I 7 I i P L i ...

Page 20: ... 18EW OUTDOOR UNIT REQUIRED SPACE Unit inch Air in 4 Installationanchor holes Air out Wiring hole 6 3 7 8 1 Refr gerant ppe Flared I 14 Refr gerant Unit center ppe Flare4 3 8 NOTE The symbol indicates diameter ...

Page 21: ...gram 2 Use copper conductors only For field wiring 3 Symbols below indicate Q Terminal block Connector SYMBOL C DSAR F MF NR SYMBOL RTl 1 RT12 T TB1 2 Xl l 14 NAME INDOOR FAN CAPACITOR SURGE ABSORBER FUSE 2A INDOOR FAN MOTOR INNER THERMOSTAT VARISTOR NAME ROOM TEMPERATURE THERMISTOR INDOOR COIL THERMISTOR TRANSFORMER INDOOR TERMINAL BLOCK INDOOR FAN MOTOR RELAY ...

Page 22: ...I WHT FROM INDOOR UNIT CONNECTING WIRES zFo 52C 12VDC I MC I COMPRESSOR 52C CONTACTOR 1 I MF I OUTDOOR FAN MOTOR INNER THERMOSTAT 1 I SYMBOL C1 C2 NOTE Use copper conductors only For field wiring SYMBOL TB1 2 51C NAME COMPRESSOR CAPACITOR OUTDOOR FAN MOTOR CAPAClTOR NAME TERMINAL BLOCK OVERCURRENT RELAY ...

Page 23: ...diagram 2 Use copper conductors only For field wiring 3 Symbols below indicate Q Terminal block 1 Connector SYMBOL C DSAR F MF NR SYMBOL RTl 1 RT12 14 T TB1 2 X l l 1 4 NAME INDOOR FAN CAPACITOR SURGE ABSORBER FUSE 2A INDOOR FAN MOTOR VARISTOR NAME ROOM TEMPERATURETHERMISTOR INDOOR COIL THERMISTOR TRANSFORMER INDOOR TERMINAL BLOCK INDOOR FAN MOTOR RELAY ...

Page 24: ...uctors only For field wiring SYMBOL TB1 2 51C NAME COMPRESSOR CAPACITOR OUTDOOR FAN CAPACITOR MODEL M Ul 5 E N WIRING DIAGRAM NAME OUTDOOR TERMINAL BLOCK OVERCURRENT RELAY POWER SUPPLY 208 230V 1 phase 60Hz BLU RED ELK GROUND FROM INDOOR UNIT CONNECTING WIRES 12VDC 52C 2 SYMBOL I NAME SYMBOL I NAME I I I C61 I COMPRESSOR CAPACITOR MF I OUTDOOR FAN MOTOR INNERTHERMOSTAT I I C65 I OUTDOOR FAN CAPACI...

Page 25: ...NG WIRES l2VDC SYMBOL C1 2 C3 MC1 2 J NOTES 1 Use copper conductors only For field wiring 2 Symbols below indicate 0 Terminal block Connector NAME COMPRESSOR CAPACITOR OllTDOOR FANMOTOR CAPACFOR COMPRESSOR SYMBOL MF TB1 3 X I 2 NAME WlWOR FANMOmR INNERTHERWAD TERMINAL BLOCK OUTDOOR FAN RELAY SYMBOL 51C1 2 52C1 2 NAME OVERCURRENT RELAY CONTACTOR ...

Page 26: ... x ID0 063 x47 1 4 Option with service with heat insulator port f Indoor unit 1 RefnqerantpipeQ5 8 Room temperature thermistor RTl1 b I Service ared connectio Accumulator Muffler rn Compressor I Outdoor unit 1 Flaredconnection MU12EN ODO 12xID0 063 X27 9 16 I MUISEN OD0 12X1D0 063X23 5 8 Refrigerantpipe41 4 Ballvalve Option withservice port wkhheat insulator Flow of refrigerant NOTE The symbol d i...

Page 27: ... 5 8 b i t h heat insulator U Room I I 11 temperature Refrigerant pipe 3 8 IO tion t a463m C Indoor coil II 11 thermistor Refrigerant pipe 41 4 Ball valve Capillary tube Strainer RT11 Option with service port I Room temperature thermistor RTl 1 Capillary tube Strainer Refrigerant pipe 1 4 Ball valve Option with service port with heat insulator Flow of refrigerant ...

Page 28: ...ss POWER button on the remote controller Power lamp of the indoor unit will tum on with a beep tone 2 Press the MASTER CONTROL button to set I FEEL And I FEEL MONITOR lamp lightswith a beep tone 3 The operation mode is decided by the initial room temp at starting up the operation 1 Initial Room Temp Mode Once the mode is fixed the mode will not change by room temp afterwards Under the AUTO START t...

Page 29: ... FEEL CONTROL the set temperature range is fixed 2 deg F To raise the set temperature by 2 deg 3 deg F OKAY Tofix and memorize the comfortable present temperature 0 WARM lower the set temperature 2 deg 3 deg F 0 I FEEL MONITOR lamp on the indoor unit When I FEEL CONTROL button is pressed I FEEL MONITOR lamp on the indoor unit flickers with beeps and shows the temperature control condition I FEEL M...

Page 30: ... way the accumulated time is cancelled Time counting starts from the beginning when the above three conditions are satisfied again If the indoor fan speed becomes HI or the room temperature exceeds 79 F time counting stops temporarily Time counting restarts from the stop point when the above three conditions are satisfied again The indoor fan operates at the set speed Indoor fan operates at the se...

Page 31: ...CONTROL except the indoor fan speed is VLo In DRY mode of I FEEL CONTROL FAN CONTROL switch is not available 2 COOL operation 1 Press POWER button Power lamp of the indoor unit turns on with a beep tone lndoor fan continues to operate regardless of thermostat s OFF ON Coil frost prevention is the same as COOL mode of I FEEL CONTROL 2 Select COOL mode 3 Set the SET TEMP button F The setting range i...

Page 32: ...1 deg half hourly to 2 deg range 1 In I FEEL CONTROL and DRY mode the circuit does not operate Set temperature 1 Hour 2 Hours 2 AUTO START operation 1 Set the TIMER CONTROL button to AUTO START 2 Set the time Time setting is in 1 hour unitsfor up to 12 hours NOTE TIMER setting will be canceled by power failure or breaker functioning 6 EMERGENCY TEST operation When the remote controller is missing ...

Page 33: ...ards is needed to operate each unit individuallyby each remotecontroller The transmission code is changed by the reconstruction 1 Reconstructionof the remote controller P C board Remove batteries before reconstruction I are printed on the board Originally chip parts are fitted on J10 J20 side and there is no chip parts on the other side Removethe chip parts of J10 J20 side and connect Jumper wire ...

Page 34: ...when the unit is on 10 1I_ Before taking measures make sure that the symptom reappears for accurate troubleshooting TROUBLE SHOOTING Self Check Table m Flash 0OFF Abnormal point indication Symptom Detect methd Cause Repair lndoor coil thermistor POWER D 1 1 I FEEL MONITOR lndoor unit power turns off Detects lndoor coil thermistor short or open circuit every 2 sec during operation Thermistor defect...

Page 35: ...ressed Yes Is battery voltage over 2 4V Does emergency run start by No pressing EMERGENCY button Yes Replace Remote controller Check Electronic control P C board voltage a CN102 12 20VAC b CN109 0 5V See the TEST POINT DIAGRAM VOLTAGE on page 37 Replace Electronic control P C board Does indoor unit receive signal with a beep tone when POWER Replace Receiver board button is pressed Check power P C ...

Page 36: ...C Yes Is there 12V DC between 2 1 of c Check Contactor 52C outdoor term nalblock TB2 7 If defectwe replace No is there 12V DC between li 2 1 1 1of Yes Check cont nu ty of Indoor term nalblock TB2 L ndoor and outdoor untt control wiring J Replace the power P C board Check resistance of room temp thermistor RT11 NO e Replace Room temp See the thermistor resistanceon page 37 thermistor RT11 i Yes Is ...

Page 37: ...T 52C CONTACTOR 1 INDOOR FAN RELAY THERMOSTAT Indoor fan relav mode 52C CONTACTOR OFF for 5 min After that OFF is prolonged until indoor coil ther mistor reads termina tion temp 1 Indoor fan speed I Relay turning ON 1 HI I OFF I All fan relavs are off I X I 4 LO INDOOR FAN RELAY Auto or set speed Very low speed XI 2 MED VLO X I 1 i XI 3 I ...

Page 38: ...ut 24 OV DC Indoor electronic control P C board I Reconstructionof indoor i Defrostthermistor Auto restart function switch Room temperature thermistor electronic control P C board I Room temperature Thermistor RTl 1 2 0 5 15 Y E E 3 10 d 5 6 0 7 0 7780 90 100 Defrost Thermistor RT12 RT14 Temperature F Temperature F ...

Page 39: ...MSOSEW Power P C board Transformer Output lnput Output 12 20V AC 115V AC 25 30V AC a Q Q I a B a I lnput 115V AC In out signal 12 1 4V DC Indoor fan motor relay signal ...

Page 40: ...NIS12 15EN Power P C board Transformer Output Input 12 20V AC 115V AC In out signal 2 5 5 0 LD2570 lnput 1i 5 AC 12 16V DC ...

Page 41: ... PIPES The air conditioner has flared connections on its indoor and outdoor sides Please use the optional extension pipe as follows Applicable Parts No Pipe length models Pipe Size 0 D A Gas in B Liquid in I Additional refrigerant ...

Page 42: ...THIS PAGE LEFT INTENTIONALLYBLANK ...

Page 43: ...STANDARD PARTS INDOOR UNIT PARTS MSOSEW ...

Page 44: ...1 14 M21 534 375 1 INDOOR TERMINAL BLOCK 1 TB1 I 1 1 15 T2W 901 375 INDOOR TERMINAL BLOCK TB2 1 16 T2W 901 450 ELECTRONIC CONTROL P C BOARD 1 17 T2W 901 440 POWER P C BOARD 1 18 T2W 901 300 INDOOR FAN MOTOR MF 1 RA4W11 AA 19 M21 BOO 302 LINE FLOW FAN I 1 1 1 20 M21 453 505 RUBBER MOUNT 2 21 T2W 416 382 FUSE 2A F 1 22 1 T2W 901 235 1 NOZZLE ASSEMBLY 1 1 1 I I I 1 I I 23 1 T2W 901 040 1 VANE 1 24 1 ...

Page 45: ...464 290 BASE ASSEMBLY 1 I 1 1 I Remarks 1 1 OUTDOOR HEAT EXCHANGER COMPRESSOR 1 14 1 T2W 679 301 OUTDOOR FAN MOTOR 1 MF I 1 SGW 26C CB I M21 987 936 T2W 460 661 T2W 460 662 MC CAPILLARY TUBE VALVE GAS VALVE LIQUID 15 16 19 1 T2W 679 350 OUTDOOR FAN MOTOR CAPACITOR I C2 1 5 uF 250V 1 1 17 18 KH 122WES 1 1 1 M21 601 501 T2W 811 375 4 0 1 2 40 063 x 126 M21 534 375 T2W 903 353 20 21 PROPELLER OUTDOOR...

Page 46: ...R CAPACITOR I I I C1 C2 2 55j4F 220V 1 9 T2W 466 342 1 OUTDOOR FAN RELAY I x 1 x 2 2 1 I 800 375 OUTDOOR TERMINAL BLOCK TB1 1 464 340 OVERCURRENT RELAY 51C1 51C2 2 OUTDOOR FAN CAPACITOR C3 1 1 8pF 220V OUTDOOR HEAT EXCHANGER 1 14 T2W 457 641 1 CHARGE PLUG 1 I 4 I I 15 T2W 416 642 FUSIBLE PLUG I 1 VALVE LIQUID 1 2 17 T2W 460 662 VALVE GAS 2 18 T92 513 200 COMPRESSOR MCI MC2 2 KH 122WES 19 1 T2W 739...

Page 47: ...INDOOR UNITS PARTS MS12EN MSl5EN 1 ...

Page 48: ...FAN 1 1 1 1 1 1 INDOOR FAN MOTOR MF 1 1 S4W 23 B AA RUBBER MOUNT 2 2 M21 BOO 504 M21 BOO 509 SLEEVE BEARING 1 1 BEARING MOUNT 1 1 INDOOR FAN CAPACITOR C 1 1 1 1 14 tF220V SWITCH P C BOARD 1 1 RECEIVER P C BOARD 1 1 SWITCH HOLDER KNOB SET 1 I l l ROOM TEMPERATURE THERMISTOR RTl I 1 1 INDOOR COIL THERMISTOR RT12 14 2 2 NOZZLE ASSEMBLY 1 1 INDOOR TERMINAL BLOCK TB2 1 1 INDOOR TERMINAL BLOCK I T B I I...

Page 49: ...2W 659 375 7 8 C61 C61 52C T7W 966 723 T2W 913 353 T2W 359 340 C65 51C in Wiring Dgagram MF COMPRESSOR CAPACITOR COMPRESSOR CAPACITOR CONTACTOR OUTDOOR TERMINAL BLOCK OUTDOOR TERMINAL BLOCK T2W 708 350 T2W 394 330 1 1 1 1 OUTDOOR FAN CAPACITOR OVERCURRENT RELAY TB1 TB2 Remarks S6N 50F EC MU12EN 1 1 1 1 1 MU15EN 1 I 25 uF 370V 30 uF 380V 1 1 3pF 440V 1 1 ...

Page 50: ... 452 T92 667 600 11 12 1 1 BASE ASSEMBLY MOTORSUPPORT T2W 457 641 T2W 416 642 13 1 M21 987 936 1 CAPILLARY TUBE 1 1 OUTDOOR HEAT EXCHANGER COMPRESSOR COMPRESSOR T2W 460 662 R01 951 411 Remarks Q ty unit 1 1 CHARGE PLUG FUSIBLE PLUG When servicing cut the tube to the proper length as shown in the REFRIGERANT SYSTEM DIAGRAM in MANUAL OB 099 1 MU12EN 1 1 1 MC MC BALLVALVE LIQUID BALL VALVE GAS 1 I d ...

Page 51: ...8 919 M21 478 917 9 10 Parts Name REMOTE CONTROLLER BATTERY COVER M21 480 708 M21 480 973 M21 480 977 M21 K50 977 REMOTE CONTROLLER HOLDER PUrrY PIPING TAPE M21 480 703 M21 BOO 973 in Wiring Diagram PIPE FIXING BAND PIPE HOLE COVER WALL HOLE SLEEVE WALL HOLE SLEEVE 1 1 I DRAIN HOSE WALL HOLE COVER 1 1 I 3 1 1 Remarks MSO9EW 1 I 3 I 1 1 1 I 1 1 ...

Page 52: ...3400 Lawrenceville Suwanee Road Suwanee Georgia 30024 Toll Free 800 433 4822 Toll Free Fax 800 889 9904 www mrslim com Specifications are subject to change without notice ...

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