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Mitsubishi Electric MS-09SN-C1, Service Manual

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Mitsubishi Electric MS-09SN-C1 Service Manual Download Page 57

57

Part numbers that are circled are not shown in the illustration.

No.

Part No.

Part Name

Remarks

Symbol

in Wiring

Diagram

Q'ty / unit

1

2

3

4
5
6

7

8

9

10

11

12

13

14

15

16

17

18
19
20
21

BACK PANEL
MOTOR SUPPORT
MOTOR SUPPORT
MOTOR SUPPORT
OUTDOOR HEAT EXCHANGER
OUTDOOR HEAT EXCHANGER
OUTDOOR HEAT EXCHANGER
CABINET
GRILLE
PROPELLER FAN
OUTDOOR FAN MOTOR
OUTDOOR FAN MOTOR
COMPRESSOR RUBBER SET
COMPRESSOR RUBBER SET
COMPRESSOR
COMPRESSOR
COMPRESSOR
COMPRESSOR
BASE 
BASE
BASE
STOP VALVE(GAS)
STOP VALVE(LIQUID)
STOP VALVE(LIQUID)
SERVICE PANEL
TERMINAL BLOCK
TERMINAL BLOCK
OUTDOOR FAN CAPACITOR
COMPRESSOR CAPACITOR
COMPRESSOR CAPACITOR
COMPRESSOR CAPACITOR
COMPRESSOR CAPACITOR
CAPILLARY TUBE
CAPILLARY TUBE
CAPILLARY TUBE
CAPILLARY TUBE
CAPILLARY TUBE
CAPILLARY TUBE
CONTACTOR
FAN MOTR RELAY
THERMOSTAT 
CR SURGE ABSORBER

MF
MF

MC
MC
MC
MC

TB
TB
C2
C1
C1
C1
C1

52C

X1

26F1

CR

1
1

1

1
1
1
1

3

1

1

1
1

1
1

1
1

1

1

1

1

1
1
1
1

3

1

1

1
1

1
1

1

1

1

1

1

1

1
1
1

1

4

1

1
1

1
1

1
1

1

1
1
1
1
1
1
1

RA6N50 -
RA6V60 -
3RUBBERS/SET
4RUBBERS/SET
RH-207NHDT
RH-231NHDT
RH-277NHDT
NH-38NBDT

{

15.88

{

6.35

{

9.52

3P
3P
3.0

+ 

/440VAC

30

+ 

/370VAC

35

+ 

/370VAC

40

+ 

/440VAC

50

+ 

/440VAC

{

3.0

✕

{

1.8

✕

550

{

3.0

✕

{

2.0

✕

700

{

3.0

✕

{

2.0

✕

500

{

3.0

✕

{

2.0

✕

100

{

3.0

✕

{

1.6

✕

350

{

3.0

✕

{

2.0

✕

600

E02 140 233
E02 138 515
E02 139 515
E02  496  515
E02 138 630
E02 147 630
E02  561  630
E02 141 232
E02 141 521
E02 141 501
E02 270 301
E02 147 301
E02 075 506
E02 138 506
E02 271 900
E02 272 900
E02  719  900
E02 177 900
E02 270 290 
E02 156 290
E02 176 290
E02 150 661
E02 139 662
E02 176 662
E02 141 245
E02 469 374
E02 473 374
E02 138 351
E02 271 353
E02 272 353
E07  058  353
E02 082 353
E02 271 936
E02 138 936
E02  064  936
E02 147 937
E02 176 936
E02 238 936
E02 177 342
E02 288 343
E02 253 381
E02 364 384

MU-15
SN-

C1

MU-15
SN-

C2

MU-17
SN-

C1

MU-18
SN-

C1

MU-24
SN-

C1

1
1

1

1
1
1
1

3

1

1

1
1

1
1

1
1

1

1

1

1
1
1
1
1

3

1

1

1
1

1
1

1

1

1

12-11. OUTDOOR UNIT 

STRUCTURAL PARTS, ELECTRICAL PARTS AND FUNCTIONAL PARTS

OB256-2qxp  2.2.8 9:12 AM  Page 57

Summary of Contents for MS-09SN-C1

Page 1: ...ONAL PARTS 58 Wireless type Models MS 09SN WH MU 09SN MS 09SN WH MU 09SN MS 10SN WH MU 10SN MS 10SN WH MU 10SN MS 12SN WH MU 12SN MS 12SN WH MU 12SN MS 15SN WH MU 15SN MS 15SN WH MU 15SN MS 17SN WH MU 17SN MS 18SN WH MU 18SN MS 24SN WH MU 24SN C1 C1 C1 C1 C1 C1 C2 C2 C1 C1 C2 C2 C1 C1 C2 C2 C1 C1 C2 C2 C1 C1 SPLIT TYPE AIR CONDITIONERS MS 09SN MS 09SN MS 10SN MS 10SN C2 C1 C2 C1 No OB256 REVISED E...

Page 2: ...button MS 15NN MS 15SN MS 17NN MS 17SN 1 Design of receiver part on indoor unit has changed 2 Remote controller has changed SLEEP MODE function has been removed ECONO COOL operation has been added SWING button was removed but SWING MODE function is available by VANE CONTROL button MS 24NN MS 24SN 1 Design of receiver part on indoor unit has changed 2 Remote controller has changed SLEEP MODE functi...

Page 3: ...ion pipe GAS has changed 15 88 12 7 MU 15NN MU 15SN MU 17NN MU 17SN 1 Additional refrigerant amount of extended pipe length over 7m has changed 10g m 15g m 2 Service port has removed from outdoor unit 3 Fusible plug has removed from outdoor unit MU 24NN MU 24SN 1 Additional refrigerant amount of extended pipe length over 7m has changed 10g m 15g m MU 09SN MU 09SN MU 10SN MU 10SN MU 12SN MU 12SN MU...

Page 4: ... type Front panel Emergency operation switch Operation indicator lamp Receiving section Air inlet Piping Drain hose Air outlet Drain outlet back and side OUTDOOR UNIT MS 12SN MS 12SN MS 15SN MS 15SN MS 17SN MS 18SN MS 24SN C1 C1 C1 C2 C1 C2 C1 MS 09SN MS 09SN MS 10SN MS 10SN C2 C1 C2 C1 MS 09SN MS 09SN MS 10SN MS 10SN C2 C1 C2 C1 MS 17SN MS 18SN MS 24SN C1 C1 C1 MS 12SN MS 12SN MS 15SN MS 15SN C2 ...

Page 5: ... ECONO COOL button VANE CONTROL button CLOCK SET button REMOTE CONTROLLER MS 09SN MS 09SN MS 10SN MS 10SN MS 12SN MS 12SN MS 15SN MS 15SN MS 17SN MS 18SN MS 24SN C1 C1 C1 C2 C1 C2 C1 C2 C1 C2 C1 ACCESSORIES Indoor unit Installation plate Installation plate fixing screw 4 x 25 mm Remote controller mounting hardware Fixing screw for 3 3 5 x 16 mm Black Battery AAA for remote controller Wireless remo...

Page 6: ...N C1 2 450 2 85 4 50 1 005 99 2 44 2 84 910 800w 680w MU 10SN C1 3 97 1 2 564 474w 384w 26 10 37 33w 29w 1 950 0 36 RH 145NGDT 700 C R 2 74 C S 3 78 RA6N33 AA WHT BLK 150 BLK RED 265 49 740 0 82 1 6 O 900 MS 10SN C2 2 500 2 91 4 61 992 98 2 52 2 93 940 830w 710w MU 10SN C2 4 08 Electrical data Fan motor Special remarks Compressor Electrical data Fan motor Special remarks Capacity Energy efficiency...

Page 7: ...2 6 50 1 400 98 36 2 61 3 03 2 340 5 74 0 50 RH 207NHDT 1 000 C R 1 68 C S 2 78 RA6N50 BA WHT BLK 116 BLK RED 111 850o605o290 42 52 865 1 30 520 MS56 1 8 O 550 Electrical data Fan motor Special remarks Compressor Electrical data Fan motor Special remarks Capacity Energy efficiency ratio EER Capacity Connection method Connection method MS 15SN C2 1 210 1 070w 930w MU 15SN C2 Cooling Single phase 22...

Page 8: ...arks Capacity Energy efficiency ratio EER Capacity Connection method Connection method Cooling Single phase 220V 60Hz 0 29 RA4N30 AB WHT BLK 118 BLK RED 162 1 015O320O190 14 5 3 10 10 Flared 850O605O290 Flared MS 17SN C1 3 950 4 59 2 3 7 30 1 580 98 39 2 50 2 91 1 260 1 140w 1 020w MU 17SN C1 6 51 RH 231NHDT 1 100 C R 1 65 C S 2 67 1 35 2 0 O 700 2 280 0 50 RA6N50 BA WHT BLK 116 BLK RED 111 44 52 ...

Page 9: ... 0m Lead to left 0 3m Liquid line 6 35 0 5m Gas line 9 52 0 43m Insulation 37 O D 21 I D Unit mm MS 09SN MS 09SN C2 C1 INDOOR UNIT 116 5 81 5 818 278 850 165 629 56 or more 100 41 2 5 42 271 4 5 231 5 82 169 326 326 5 189 Air in Air out Insulation 28 Drain hose 16 Connected part O D Installation plate Wall hole 65 Indoor unit Installation plate Power supply cord Lead to right 1 0m Lead to left 0 3...

Page 10: ...igerant pipe joint Refrigerant pipe flared 6 35 Airout Air in Air in Service port 109 32 110 147 Drainage 3holes 33 If clearance behind the outdoor unit is only 400mm or 500mm side A must be fully opened 100mm or more 100mm or more 100mm or more 350mm or more REQUIRED SPACE A 400mm or more OUTDOOR UNIT MU 09SN MU 09SN MU 10SN MU 10SN MU 12SN MU 12SN C2 C1 C2 C1 C2 C1 Unit mm ...

Page 11: ...unit is only 400mm or 500mm side A must be fully opened 100mm or more REQUIRED SPACE 350mm or more 500mm or more 100mm or more 100mm or more A 350 20 35 248 Air in Air out 290 310 345 30 Service panel Service port 605 292 20 50 183 500 850 74 157 100 Drainage 3holes 16 2 161 Gas refrigerant pipe joint Refrigerant pipe flared 15 88 Liquid refrigerant pipe joint Refrigerant pipe flared 6 35 MU 15 17...

Page 12: ...YLW BLU WHT BLU BLU BRN BLU BLU BLU C 220V TO OUTDOOR UNIT CONNECTING BRN GRN YLW INDOOR UNIT NOTE 1 About the outdoor side electric wiring refer to the outdoor unit electric wiring diagram for servicing 2 Use copper conductors only For field wiring 3 Symbols below indicate Terminal block Connector MODELS WIRING DIAGRAM OUTDOOR UNIT MU 09SN MU 10SN MU 12SN C1 C1 C1 NOTE 1 About the indoor side ele...

Page 13: ...WHT BLU BLU BRN BLU BLU BLU C 220V TO OUTDOOR UNIT CONNECTING BRN GRN YLW INDOOR UNIT NOTE 1 About the outdoor side electric wiring refer to the outdoor unit electric wiring diagram for servicing 2 Use copper conductors only For field wiring 3 Symbols below indicate Terminal block Connector MODELS WIRING DIAGRAM OUTDOOR UNIT MU 09SN MU 10SN MU 12SN C2 C2 C2 NOTE 1 About the indoor side electric wi...

Page 14: ... L L1 GRN YLW TB NR11 IC141 52C C RT12 YLW BRN 4 3 CN201 1 2 F12 WHT BLU BLU BLU INDOOR UNIT NOTE 1 About the outdoor side electric wiring refer to the outdoor unit electric wiring diagram for servicing 2 Use copper conductors only For field wiring 3 Symbols below indicate Terminal block Connector MODELS WIRING DIAGRAM OUTDOOR UNIT MU 15SN MU 17SN C1 C1 NOTE 1 About the indoor side electric wiring...

Page 15: ...RN YLW TB NR11 IC141 52C C RT12 YLW BRN 4 3 CN201 1 2 F12 WHT BLU BLU BLU INDOOR UNIT NOTE 1 About the outdoor side electric wiring refer to the outdoor unit electric wiring diagram for servicing 2 Use copper conductors only For field wiring 3 Symbols below indicate Terminal block Connector MODELS WIRING DIAGRAM OUTDOOR UNIT MU 15SN C2 NOTE 1 About the indoor side electric wiring refer to the indo...

Page 16: ...ductors only For field wiring 3 Symbols below indicate Terminal block Connector 220V MF BLK WHT RED ORN C 2 BLU 4 BLU WHT BLK RED C1 TB ORN C2 RED WHT 1 2 3 FROM INDOOR UNIT CONNECTING C S R MC SYMBOL TB SYMBOL MC MF SYMBOL C1 C2 NAME NAME NAME COMPRESSOR CAPACITOR OUTDOOR FAN CAPACITOR COMPRESSOR INNER PROTECTOR OUTDOOR FAN MOTOR INNER PROTECTOR TERMINAL BLOCK VG79B106H01 ...

Page 17: ...About the outdoor side electric wiring refer to the outdoor unit electric wiring diagram for servicing 2 Use copper conductors only For field wiring 3 Symbols below indicate Terminal block Connector MODEL WIRING DIAGRAM OUTDOOR UNIT MU 24SN C1 NOTE 1 About the indoor side electric wiring refer to the indoor unit electric wiring diagram for servicing 2 Use copper conductors only For field wiring 3 ...

Page 18: ...m Stop valve with service port Indoor coil thermistor RT12 Compressor Flared connection Flared connection Stop valve MS 10SN MS 10SN C2 C1 MU 10SN MU 10SN C2 C1 INDOOR UNIT OUTDOOR UNIT Indoor heat exchanger Room temperature thermistor RT11 Refrigerant pipe 9 52 Option with heat insulator Outdoor heat exchanger Capillary tube 3 0x 1 6x900 Strainer Refrigerant pipe 6 35 Option with heat insulator R...

Page 19: ...r Distributor MU 17SN 3 0 2 0 700 MU 18SN 3 0 2 0 500 C1 C1 MU 15SN 3 0 1 8 550 MU 15SN 3 0 1 8 550 C1 C2 Capillary tube Indoor heat exchanger Indoor coil thermistor RT12 MS 12SN MS 12SN C2 C1 MU 12SN MU 12SN C2 C1 INDOOR UNIT OUTDOOR UNIT Unit mm Room temperature thermistor RT11 Flared connector Flared connector Refrigerant pipe 6 35 Option with heat insulator Refrigerant pipe 12 7 Option with he...

Page 20: ...ulator Refrigerant pipe 15 88 Option with heat insulator Stop Valve Discharge pressure regulator open 2 55MPa 26 0kgf F Strainer Flow of refrigerant Stop valve With service port Indoor coil thermistor RT12 3 0 600 2 0 3 0 350 1 6 3 0 100 2 0 Compressor Accumulator Outdoor heat exchanger Indoor heat exchanger MS 24SN C1 MU 24SN C1 Unit mm ...

Page 21: ...ght difference 7 5m w Height difference should be within 7 5m regardless of which unit indoor or outdoor position is high Outdoor unit Refrigerant Piping Max length A MS 09SN MS 09SN MS 10SN MS 10SN MS 12SN MS 12SN MS 15SN MS 15SN MS 17SN MS 18SN MS 24SN C2 C1 C2 C1 C2 800 820 1200 1300 1350 1400 2150 Refrigerant piping length one way Outdoor unit precharged Model 7m 0 8m 15 9m 30 10m 45 11m 60 12...

Page 22: ...n in the figure and at least 2 sets of wet and dry bulb thermometers to the indoor air outlet The thermometers must be attached to the position where air speed is high 2 Attach at least 2 sets of dry bulb thermometers to the outdoor air intake Cover the thermometers to prevent direct rays of the sun 3 Check that the air filter is cleaned 4 Open windows and doors of the room 5 Press the EMERGENCY O...

Page 23: ...low pressure Ambient temperature C Ambient humidity Ambient temperature C Ambient humidity Outdoor unit current A kgf F Gauge MPa Gauge 18 32 7 6 5 4 3 2 15 20 50 25 60 30 70 35 0 2 0 3 0 4 0 5 0 6 0 7 18 32 15 20 50 25 60 30 70 35 2 5 3 0 3 5 4 0 4 5 MU 10SN MU 10SN C2 C1 MU 10SN MU 10SN C2 C1 Ambient temperature C Ambient humidity Ambient temperature C Ambient humidity Outdoor low pressure Outdo...

Page 24: ...0 2 8 0 7 0 6 0 5 0 4 0 3 0 15 20 50 25 60 30 70 35 18 32 MU 15SN MU 15SN C2 C1 MU 15SN MU 15SN C2 C1 Ambient temperature C Ambient humidity Ambient temperature C Ambient humidity Outdoor low pressure Outdoor unit current A 15 20 50 25 60 30 70 35 18 32 0 3 0 4 0 5 0 6 0 7 0 2 3 4 5 6 7 2 kgf F Gauge MPa Gauge kgf F Gauge MPa Gauge Outdoor unit current A kgf F Gauge MPa Gauge Outdoor unit current ...

Page 25: ... ture at start up of the operation Example Previous operation COOL mode of I FEEL CONTROL or COOL mode Once the mode is fixed the mode does not change by room temperature afterwards Under the ON TIMER operation mode is deter mined according to the room temperature at set time the operation starts When the system is stopped on the remote controller and restarted within 2 hours in I FEEL CONTROL mod...

Page 26: ... speed control Indoor fan operates continuously at the set speed by FAN SPEED CONTROL button regard less of thermostat s OFF ON In Auto the fan speed is as follows MS 09 10 12 15 17 24SN Initial temperature difference Room temperature minus set temperature 2 degrees or more High Room temperature minus set temperature Between 1 and 2 degrees Med Room temperature minus set temperature less than 1 de...

Page 27: ...Example 3 Coil frost prevention The operation is as same as coil frost prevention during COOL mode of I FEEL CONTROL operation Refer to 8 1 1 COOL mode of I FEEL CONTROL 2 However when coil frost prevention works while the indoor fan is OFF it s speed becomes set speed Thermostat Indoor fan Outdoor fan Compressor ON 8 min 1 min 4 min 3 min ON OFF OFF OFF OFF OFF ON ON ON ON ON ON OFF OFF OFF 8 2 C...

Page 28: ...l frequency feedback control The indoor fan motor is equipped with a rotational frequency sensor and outputs signal to the microprocessor to feedback the rotational frequency Comparing the current rotational frequency with the target rotational frequency High Med Low the microprocessor controls SR141 MS 09 10SN IC141 MS 12 15 17 18 24SN and adjusts fan motor electric current to make the current ro...

Page 29: ...ownward blow has been finished next horizontal blow time is decided For initial 10 min the swing operation is performed in table G H for quick cooling Also after 10 min when the difference of set temperature and room temperature is more than 2 degrees the swing operation is performed in table D H for more cooling The air conditioner repeats the swing operation in various cycle as follows A H G F E...

Page 30: ...t the timer Time setting is 10 minute units HR and MIN button will work when or mark is flashing These marks disappear in 1 minute After setting the ON timer check that OPERATION INDICATOR lamp of the indoor unit lights NOTE1 Be sure to place the remote controller at the position where its signal can reach the air conditioner even during TIMER operation or the set time may deviate within the range...

Page 31: ...l light The first 30 minutes of operation is the test run operation This operation is for servicing The indoor fan speed runs at High speed and the system is in continuous operation The thermostat is ON After 30 minutes of test run operation the system shifts to EMERGENCY COOL MODE with a set temperature of 24 C The fan speed shifts to Med speed The coil frost prevention works even in emergency op...

Page 32: ...der J2 4 units operation Same as at left Same as at left Same as at left Solder both J1 and J2 Table 1 9 SERVICE FUNCTIONS 9 1 TIMER SHORT MODE For service set time can be shortened by short circuit of JPG and JPS the electronic control P C board The time will be shortened as follows Refer to page 40 or 41 Set time 1 minute 1 second Set time 3 minute 3 second It takes 3 minutes for the compressor ...

Page 33: ... power has restored after power failure Then the unit will restart automatically However if the unit is operated in I FEEL CONTROL mode before power failure the operation is not memorized In I FEEL CONTROL mode the operation is decided by the initial room temperature NOTE The operation settings are memorized when 10 seconds have passed after the indoor unit was operated with the remote controller ...

Page 34: ...ure check how many times the abnormality indication is flashing on and off before starting service work 2 Before servicing check that the connector and terminal are connected properly 3 If the electronic control P C board is supposed to be defective check the copper foil pattern for disconnection and the components for bursting and discoloration 4 When troubleshooting refer to the flow chart and t...

Page 35: ... fan motor Re connect connector 2 3 Start Indoor unit operates Outdoor unit doesn t operate Indoor unit doesn t receive the signal from remote controller OPERATION INDICATOR lamp on the indoor unit is flashing on and off Outdoor unit operates in only Test Run operation Outdoor unit doesn t operate even in Test Run operation Indoor unit operates when the EMERGENCY OPERATION switch is pressed Indoor...

Page 36: ...rature 10 C 30 C Measure the voltage Power ON Measure the resistance between the terminals with a tester Part temperature10 C 30 C Figure Normal 8kΩ 20kΩ Abnormal Open or short circuit Normal 2 81 3 45Ω 2 41 2 96Ω 1 9 2 34Ω 1 48 1 82Ω 1 45 1 79Ω 1 21 1 49Ω 0 73 0 90Ω MU 09SN MU 10SN MU 12SN MU 15SN MU 17SN MU 18SN MU 24SN C R C S Normal Abnormal Open or short circuit MS 12 15 17 18 24SN 321 349Ω 1...

Page 37: ...emote controller is exclusive for this air conditioner w In case of replacing the receiver P C board of MS 09SN or MS 10SN replace the indoor electronic control P C board with it because they are unified Replace the indoor electronic control P C board with power monitor receiver P C board Disconnect lead wires from connector CN211 on indoor electronic control P C board Measure resistance between l...

Page 38: ...N MS 24SN The unit doesn t operate with the remote controller Also the OPERATION INDICATOR lamp doesn t light up by pressing the EMERGENCY OPERATION switch Start No Turn ON the power supply Press the EMERGENCY OPERATION switch 3 minute time delay works Test run operation operates for 30 minutes Yes Yes Outdoor unit does not operate Is the connection of wiring in outdoor unit correct Check the outd...

Page 39: ...oor electronic control P C board Compressor does not operate No Yes Is the connection of wiring from terminal block to compressor correct Check the compressor Refer to page 36 Make the connection of wiring from terminal block to compressor correct Outdoor fan motor does not operate No Yes Is the connection of wiring from terminal block to outdoor fan motor correct Check the outdoor fan motor Refer...

Page 40: ...rature thermistor RT11 Indoor coil thermistor RT12 Timer short mode point JPS JPG Refer to page 32 Room temperature thermistor RT11 Indoor coil thermistor RT12 0 0 10 20 30 40 10 20 30 40 50 60 Emergency operation switch Fan motor power supply 5V DC 12V DC Temperature Resistance k Auto restart function Cut the Resistor JR07 Refer to page 33 CN201 52C Power monitor receiver P C board ...

Page 41: ...or RT11 Indoor coil thermistor RT12 Temperature Resistance k Fan motor power supply Fuse 250V AC 3 15A Power supply input 220V AC 5V DC Indoor coil thermistor RT12 Timer short mode point Refer to page 32 Emergency operation switch 12V DC Room temperature thermistor RT11 C144 C144 JPG JP45 Auto restart function Cut the Resistor JR06 Refer to page 33 Varistor NR11 CN201 52C JPG JPS CN304 Receiver P ...

Page 42: ...ever 1 Removing the front panel 1 Remove the screw caps of the front panel Remove the screws 2 Pull the panel down to your side slightly and unhook the catches at the top V A clamp Screw of the V A clamp Room temperature thermistor connector Cord clamp Indoor electronic control P C board Screw of the ground wire Vane motor connector Fan motor connector 2 Removing the electronic control P C board a...

Page 43: ...of vane motor from the bottom of electrical box 8 Remove the screw fixing the electrical box remove the electrical box 4 Removing the vane motor 1 Remove the front panel Refer to 1 2 Remove the electrical box Refer to 3 3 Pull out the drain hose from the nozzle assembly remove the nozzle assembly 4 Remove the screws both upper and lower of the vane motor disconnect the connector 5 Remove the vane ...

Page 44: ...ard 1 Remove the front panel Refer to 1 2 Remove the electrical cover 3 Remove the screw of the terminal cover 4 Remove the screw of the terminal block 5 Unhook the catch of the lamp holder 6 Remove the receiver holder and the receiver P C board 7 Remove the screw of the ground wire 8 Disconnect all the connectors and all the lead wires on the electronic control P C board 9 Remove the electronic c...

Page 45: ...e drain hose from the nozzle assembly remove the nozzle assembly 4 Remove the screws both upper and lower of the vane motor disconnect the connector 5 Remove the vane motor 5 Removing the indoor fan motor and the line flow fan 1 Remove the front panel 2 Remove the electrical box 3 Unhook the catches on the both sides of the nozzle assembly 4 Remove the nozzle assembly 5 Remove the screws of the be...

Page 46: ...ve the screw from the insides 6 Remove the top panel 7 Remove the cabinet Photo 1 Photo 3 Screws of the top panel Service panel Screws of the service panel Screws of the top panel Screws of the cabinet Screws of the cabinet Photo 2 Screws of the front panel and motor support 2 Removing the electrical parts 1 Remove the service panel and the cabinet Refer to 1 2 Remove the following parts Compresso...

Page 47: ...ction pipe Discharge pipe 4 Removing the compressor 1 Remove the cabinet Refer to 1 2 Remove the relay panel 3 Remove the soundproof felt 4 Remove the terminal cover on the compressor 5 Disconnect lead wires from the glass terminal of the com pressor 6 Recover gas from the refrigerant circuit 7 Disconnect the welded part of the discharge pipe 8 Disconnect the welded part of the suction pipe 9 Remo...

Page 48: ...move the following parts Compressor capacitor C1 Outdoor fan capacitor C2 Terminal block MU 24SN only Contactor 52C CR surge absorber CR Fan motor relay X1 Thermostat 26F1 Photo 1 Photo 3 Photo 2 Screws of the cabinet Screws of the cabinet Service panel Compressor capacitor 11 4 MU 15SN MU 17SN MU 24SN MU 15SN MU 18SN OUTDOOR UNIT C1 C2 C1 C1 C1 Contactor Outdoor fan capacitor CR surge absorber Fa...

Page 49: ...e the cabinet Refer to 1 2 Remove the soundproof felt 3 Remove the terminal cover on the compressor 4 Remove the electrical assembly Refer to 2 5 Recover gas from the refrigerant circuit 6 Disconnect the welded part of the discharge pipe 7 Disconnect the welded part of the suction pipe 8 Remove nuts fixing the compressor 9 Remove the compressor Photo 5 Compressor Discharge pipe Suction pipe Compre...

Page 50: ...1 2 1 3 2 1 Including No 5 6 7 2PCS SET 3PCS SET Remarks Part No Part Name MS 09 SN WH C1 MS 09 SN WH C2 MS 10 SN WH C1 MS 10 SN WH C2 1 1 1 1 2 1 3 2 1 1 1 1 1 2 1 3 2 1 1 1 1 1 2 1 3 2 1 MS 09SN WH MS 09SN WH MS 10SN WH MS 10SN WH C2 C1 C2 C1 12 2 ACCESSORY AND REMOTE CONTROLLER 10 11 REMOTE CONTROLLER REMOTE CONTROLLER HOLDER E02 468 426 E02 527 083 1 1 1 1 1 1 1 1 12 1 INDOOR UNIT STRUCTURAL P...

Page 51: ...ISTOR THERMAL FUSE Including fan guard Including fan guard 3 15A AUTO RESTART AUTO RESTART AUTO RESTART AUTO RESTART RC4N19 2PCS SET 93 F11 NR11 MV RT11 MF TB RT12 F12 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 2 1 1 MS 09 SN WH C1 MS 09 SN WH C2 MS 10 SN WH C1 MS 10 SN WH C2 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 2 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 2 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 2 1 1 12 3 INDOOR UNIT ELECTRICAL ...

Page 52: ...SOR RUBBER SET BASE STOP VALVE GAS STOP VALVE LIQUID SERVICE PANEL BACK PANEL TERMINAL BLOCK COMPRESSOR CAPACITOR OUTDOOR FAN CAPACITOR CAPILLARY TUBE CAPILLARY TUBE RA6N23 RA6N33 RH 130NGDT RH 145NGDT 3RUBBERS SET 9 52 6 35 3P 25 440VAC 1 5 440VAC 3 0x 1 4x600 3 0x 1 6x900 1 1 1 1 1 1 1 1 3 1 1 1 1 1 1 1 1 1 MF MF MC MC TB C1 C2 MU 09 SN MU 09 SN MU 10 SN MU 10 SN 1 1 1 1 1 1 1 1 3 1 1 1 1 1 1 1 ...

Page 53: ...S 15 SN WH MS 17 SN WH MS 18 SN WH MS 24 SN WH 1 2 3 4 5 6 7 1 1 1 1 3 2 1 1 1 1 1 3 2 1 1 1 1 1 3 2 1 C1 C2 C1 C2 C1 C1 C1 Part number that is circled is not shown in the illustration 8 9 REMOTE CONTROLLER REMOTE CONTROLLER HOLDER 1 1 1 1 1 1 1 1 E02 468 426 E02 527 083 1 1 1 1 1 1 12 7 ACCESSORY AND REMOTE CONTROLLER 12 6 INDOOR UNIT STRUCTURAL PARTS 12 6 INDOOR UNIT STRUCTURAL PARTS 1 5 3 2 4 6...

Page 54: ...START AUTO RESTART AUTO RESTART 2PCS SET RA4N30 3 15A 93 93 WH MS 12 SN C1 WH MS 12 SN C2 WH MS 15 SN C1 WH MS 15 SN C2 WH MS 17 SN C1 WH MS 18 SN C1 WH MS 24 SN C1 E02 141 302 E02 141 509 E02 001 504 E02 408 702 E02 143 235 E02 717 235 E02 143 040 E02 138 307 E02 141 303 E02 408 303 E02 470 375 E02 473 375 E02 138 308 E02 141 468 E02 470 452 E02 717 452 E02 472 452 E02 719 452 E02 001 505 E02 172...

Page 55: ...0 E02 340 661 E02 339 662 E02 336 245 E02 339 233 E02 469 374 E02 270 353 E02 095 350 E02 285 936 TOP PANEL MOTOR SUPPORT OUTDOOR HEAT EXCHANGER CABINET GRILLE PROPELLER FAN OUTDOOR FAN MOTOR COMPRESSOR COMPRESSOR RUBBER SET BASE STOP VALVE GAS STOP VALVE LIQUID SERVICE PANEL BACK PANEL TERMINAL BLOCK COMPRESSOR CAPACITOR OUTDOOR FAN CAPACITOR CAPILLARY TUBE RA6N33 RH 167NHDT 3RUBBERS SET 12 7 6 3...

Page 56: ...56 MU 15SN MU 15SN MU 17SN MU 18SN MU 24SN C1 C1 C1 C2 C1 12 11 OUTDOOR UNIT STRUCTURAL PARTS ELECTRICAL PARTS AND FUNCTIONAL PARTS 1 5 4 15 3 16 14 13 2 8 10 9 7 6 11 12 ...

Page 57: ...2C X1 26F1 CR 1 1 1 1 1 1 1 3 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 3 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 4 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 RA6N50 RA6V60 3RUBBERS SET 4RUBBERS SET RH 207NHDT RH 231NHDT RH 277NHDT NH 38NBDT 15 88 6 35 9 52 3P 3P 3 0 440VAC 30 370VAC 35 370VAC 40 440VAC 50 440VAC 3 0 1 8 550 3 0 2 0 700 3 0 2 0 500 3 0 2 0 100 3 0 1 6 350 3 0 2 0 600 E02 140 233 E02 138 515 E02 139 515 E02 496 ...

Page 58: ...till dark even after cleaning replace the filter with a new one Replace the filter at least once a year DEODORIZING FILTER and AIR CLEANING FILTER can be attached on either side Model Part No MAC 1300FT C1 C2 C1 C1 C1 C2 C1 C2 C1 C2 MAC 1100FT MS 10SN MS 10SN MS 17SN MS 18SN MS 24SN MS 09SN MS 09SN MS 12SN MS 12SN MS 15SN MS 15SN C1 MAC 1800DF MAC 1600DF Model Part No MS 09SN MS 09SN MS 12SN MS 12...

Page 59: ......

Page 60: ...TRIC ENGINEERING CO LTD Distributed in Feb 2002 No OB256 REVISED EDITION B 122 Reprinted in May 2001 No OB256 REVISED EDITION A 50 Distributed in May 2001 No OB256 REVISED EDITION A 123 Distributed in Jul 2000 No OB256 173 Made in Japan HEAD OFFICE MITSUBISHI DENKI BLDG 2 2 3 MARUNOUCHI CHIYODA KU TOKYO100 8310 JAPAN ...

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