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Mitsubishi Electric Mr.Slim MUM30NN, Руководство по обслуживанию, Страница: 34 / 80

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34

Refrigerant pipe 

[

1/4

(Option)
(with heat insulator) 

Indoor coil
thermistor
RT12

Room temperature
thermistor
RT11

Flared

connection

Flared

connection

Ball valve
with service port

Refrigerant pipe 

[

3/8

(Option)
(with heat insulator) 

Service
port

Service
port

Accumulator

Muffler

Fusible

plug

Compressor

Capillary tube (B) Strainer

MS09NW

Evaporator

Indoor coil
thermistor
RT12

Room temperature
thermistor
RT11

Flared

connection

Flared

connection

Refrigerant pipe 

[

1/4

(Option)
(with heat insulator) 

Ball valve
with service port

Refrigerant pipe 

[

5/8

(Option)
(with heat insulator) 

Ball valve

Service
port

Service
port

Accumulator

Muffler

Fusible

plug

Compressor

O.D. 0.12 

o

 I.D. 0.063 

o

 17-11/16

Capillary tube (C) Strainer

MS15NN

Evaporator

Indoor coil
thermistor
RT12

Room temperature
thermistor
RT11

Flared

connection

Flared

connection

Refrigerant pipe 

[

1/4

(Option)
(with heat insulator) 

Ball valve
with service port

Refrigerant pipe 

[

3/8

(Option)
(with heat insulator) 

Ball valve

Service
port

Service
port

Accumulator

Muffler

Fusible

plug

Compressor

O.D. 0.12 

o

 I.D. 0.055 

o

 21-5/8

Capillary tube (A) Strainer

MS09NW

Evaporator

Condenser

O.D. 0.12 

o

 I.D. 0.055 

o

 21-5/8

H.P.
swich

H.P.
swich

H.P.
swich

Ball valve
with service port

Flow of refrigerant

MS09NW

O

2   M S 1 5 N N

O

1

Unit : inch

MUM30NN2

INDOOR UNIT

OUTDOOR UNIT

Содержание Mr.Slim MUM30NN

Страница 1: ...UM30NN MS12NN W MU12NN MUM30NN2 MS15NN W MU15NN MS17NN W MU17NN MS09NW2 W MU09NW2 MS12NN2 W MU12NN2 MS15NN2 W MU15NN2 MS17NN2 W MU17NN2 No OB192 The Slim Line From Mitsubishi Electric LIST ED R MS12NN MS12NN2 MS15NN MS15NN2 MS17NN MS17NN2 INDOOR UNIT MU12NN MU12NN2 MU15NN MU15NN2 MU17NN MU17NN2 OUTDOOR UNIT Remote controller Refer to our Service Manual OB202 when the indoor unit is used in the mul...

Страница 2: ...ditions Too Cool or Too Warm The optimum temperature set this way is then memorized for immediate recall whenever the air conditioner is used again And what s more the new controller has been redesigned and easier to handle than before Select desired air flow direction REMOTE CONTROL OPERATION MODE Using the remote controller you can select from five airflow set tings to match room layout and the ...

Страница 3: ...ee indoor units are served by a single outdoor unit whose installation requires only minimum space This allows equipment installed outside the house to be arranged in a neat space saving layout FLEXIBLE INSTALLATION OF INDOOR UNITS Each indoor unit can be connected to piping up to 65 feet in length providing plenty of freedom in determining the best loca tions for installation MUM30NN MUM30NN2 LCD...

Страница 4: ...the clock timer function 4 The swing mode has been added to indoor auto vane 5 Outdoor unit fan speed control has been changed MF1 MF2 1 Lo Lo Stop Hi 2 Me Me Me Me 3 Hi Hi Hi Hi 6 The relay X64 has been added to electric circuit 7 Surge absorber has been added to electric circuit MSM30NN MSM30NN2 1 Outdoor unit has changed 2 Compressor has changed Compressor A B KH122WEV KH122WES 3 Outdoor unit f...

Страница 5: ...NW MS09NW2 MS09NW MS09NW2 MS12NN MS12NN2 MS15NN MS15NN2 MS17NN MS17NN2 Air inlet back and side Piping Drainage hose Air outlet Drain outlet Air inlet back and side Piping Drainage hose Air outlet Drain outlet OUTDOOR UNIT MU12NN MU12NN2 MU15NN MU15NN2 MU17NN MU17NN2 MU09NW MU09NW2 MS12NN MS12NN2 MS15NN MS15NN2 MS17NN MS17NN2 MS12NN MS12NN2 MS15NN MS15NN2 MS17NN MS17NN2 ...

Страница 6: ...tton VANE CONTROL button SWING button OFF TIMER button RESET button Signal transmitting section Operation display section OPERATE STOP ON OFF button OPERATION SELECT button FAN SPEED CONTROL button TEMPERATURE button VANE CONTROL button TIME SET button RESET button TIMER MODE SELECT button ON OFF TIMER CONTROL FAN VANE RESET SELECT TIME TOO WARM TOO COOL Hr MODE I FEEL COOL DRY FAN OUTDOOR UNIT MU...

Страница 7: ... W V phase Hz A A F L A CFM CFM Pints h dB A in in in in lbs V phase Hz A A F L A R L A L R A dB A in in in lbs in in ft ft lbs cc 8 500 840 10 1 10 2 0 5 0 37 208 265 328 177 226 279 2 3 31 37 42 32 1 16 7 3 16 10 13 16 18 115 1 60 14 0 66 KH122WES C R 0 98 C S 2 21 10 37 46 30 11 16 10 1 16 21 1 4 64 3 8 2 lbs 2 oz 270 MS56 White 115 1 60 15 5 8 Munsell 5Y6 5 1 15 Capillary tube Wireless type 12...

Страница 8: ... lbs in in ft ft lbs cc 14 300 14 600 1 370 1 400 10 4 10 4 10 5 10 5 0 6 0 43 360 395 452 293 321 367 4 7 36 39 42 14 RH207NHDT C R 1 68 C S 2 78 10 35 52 92 2 lbs 14 oz 520 MS56 White 115 1 60 15 5 8 39 15 16 7 1 2 12 5 8 31 Munsell 5Y6 5 1 208 230 1 60 20 0 52 Capillary tube 33 7 16 11 7 16 23 13 16 Wireless type 12V DC Not supplied optional parts 1 4 5 8 Flared Flared Max 25 Max 49 15 900 16 1...

Страница 9: ... or B C 16 400 20 600 1 860 9 5 10 0 2 060 MS15NN MS09NW 115 60 1 15 0 0 6 0 43 360 395 452 314 342 392 3 2 5 8 39 15 16 7 1 2 12 5 8 31 MUM30NN Munsell 5Y 7 1 208 230 60 1 3 wire 30 25 0 8 0 7 KH122WEV 115V RH167NAB 208 230V C R 0 97 C S 4 81 C R 2 47 C S 4 62 10 8 37 29 Capillary tube 37 7 16 15 3 8 45 5 16 240 Wireless type DC12V Not supplied optional parts 1 4 1 4 3 8 5 8 Flared Flared Flared ...

Страница 10: ... or B C 16 400 20 600 1 830 9 9 10 0 2 060 MS15NN White MS09NW 115 60 1 15 0 0 6 0 43 360 395 452 314 342 392 3 2 5 8 39 15 16 7 1 2 12 5 8 31 MUM30NN2 Munsell 5Y 7 1 208 230 60 1 3 wire 30 25 0 8 0 7 KH122WES 115V RH167NAB 208 230V C R 0 98 C S 2 21 C R 2 47 C S 4 62 10 8 37 29 Capillary tube 37 7 16 15 3 8 45 5 16 244 Wireless type DC12V Not supplied optional parts 1 4 1 4 3 8 5 8 Flared Flared ...

Страница 11: ...h of connecting pipe in Liquid 1 4 Indoor unit 16 15 16 Outdoor unit 0 MAX REFRIGERANT PIPING LENGTH MAX HEIGHT DIFFERENCE MSM30NN MSM30NN2 Indoor unit A MS09NW w Max Height difference 25ft Indoor unit B MS09NW Outdoor unit MUM30NN MUM30NN2 Indoor unit C MS15NN Max Length 65ft w Max Height difference 25ft w Max Height difference 25ft Max Length 65ft Max Length 65ft Model Additional piping Max leng...

Страница 12: ...W MS15NN 71 67 63 71 67 63 TC 10 05 9 51 8 94 15 19 14 38 13 52 SHC 5 89 6 85 7 63 8 76 10 21 11 40 TPC 0 88 0 83 0 79 1 09 1 03 0 98 TC 9 39 8 86 8 28 14 20 13 39 12 52 SHC 5 51 6 38 7 07 8 19 9 51 10 56 TPC 0 97 0 92 0 88 1 19 1 13 1 08 TC 8 82 8 20 7 71 13 33 12 40 11 66 SHC 5 17 5 90 6 58 7 69 8 80 9 83 TPC 1 04 0 99 0 95 1 28 1 22 1 17 TC 8 20 7 63 7 01 12 40 11 53 10 60 SHC 4 81 5 49 5 98 7 ...

Страница 13: ...pacity SHF at rating condition 0 71 392CFM 0 17 Airflow Bypass Factor 12 10 8 6 1 2 65 75 85 95 105 115 67 75 85 95 105 115 0 8 0 6 Total power consumption kW Total capacity o 10 Btu h 16 14 12 10 8 2 1 71 67 63 71 67 63 71 67 63 71 67 63 Indoor intake air WB temperature F Indoor intake air WB temperature F Cooling capacity SHF at rating condition 0 7 367CFM 0 22 Airflow Bypass Factor 67 75 85 95 ...

Страница 14: ...63 67 71 63 67 71 MSM30NN MSM30NN2 ONE INDOOR UNIT WITH ONE OUTDOOR UNIT NOTE A point on the curve shows the reference point MS09NW MUM30NN MS15NN MUM30NN 65 0 6 0 8 1 0 1 2 6 8 10 12 75 85 95 105 115 Outdoor intake air DB temperature F Total power consumption kW Total capacity o 10 3 Btu h Cooling capacity SHF at rating condition 0 72 Airflow 279CFM Bypass Factor 0 24 Indoor intake air WB tempera...

Страница 15: ...ndensing pressure Outdoor ambient temperature Indoor DB temperature Indoor DB temperature PSIG 40 50 60 70 80 90 68 70 75 80 85 90 95 100 104 F Suction pressure Outdoor ambient temperature MU12NN MU12NN2 86 F 80 75 70 86 F 80 75 70 300 PSIG 280 260 240 220 200 180 160 68 70 75 80 85 90 95 100 104 F Condensing pressure Outdoor ambient temperature Indoor DB temperature Indoor DB temperature PSIG 40 ...

Страница 16: ...80 75 70 86 F 80 75 70 MU17NN MU17NN2 86 F 80 75 70 86 F 80 75 70 300 320 PSIG 280 260 240 220 200 180 160 68 70 75 80 85 90 95 100 104 F Condensing pressure Outdoor ambient temperature Indoor DB temperature Indoor DB temperature PSIG 40 50 60 70 80 90 68 70 75 80 85 90 95 100 104 F Suction pressure Outdoor ambient temperature Data is based on the condition of indoor humidity 50 Air flow should be...

Страница 17: ... DB temperature 67 170 180 200 220 240 260 280 300 PSIG 70 Outdoor ambient temperature 75 80 85 90 95 100 104 F 70 F 75 F 80 F 86 F Condensing pressure Indoor DB temperature MSM30NN ONE INDOOR UNIT WITH ONE OUTDOOR UNIT 67 170 180 200 220 240 260 280 300 PSIG 70 Outdoor ambient temperature 75 80 85 90 95 100 104 F 70 F 75 F 80 F 86 F Condensing pressure Indoor DB temperature 67 40 50 60 70 80 90 1...

Страница 18: ...or DB temperature 67 170 180 200 220 240 260 280 300 PSIG 70 Outdoor ambient temperature 75 80 85 90 95 100 104 F 70 F 75 F 80 F 86 F Condensing pressure Indoor DB temperature MSM30NN2 ONE INDOOR UNIT WITH ONE OUTDOOR UNIT 67 170 180 200 220 240 260 280 300 PSIG 70 Outdoor ambient temperature 75 80 85 90 95 100 104 F 70 F 75 F 80 F 86 F Condensing pressure Indoor DB temperature 67 40 50 60 70 80 9...

Страница 19: ...ODEL Power supply V phase Hz Input Comp current Fan current Condensing pressure Suction pressure Discharge temperature Condensing temperature Suction temperature Comp shell bottom temp Ref pipe length Refrigerant charge Intake air temperature Discharge air temperature Fan speed Airflow Hi Intake air temperature Fan speed High Low Airflow Unit Btu h kW kW A kW A A PSIG PSIG F F F F ft F F F F rpm C...

Страница 20: ... Ref pipe length Refrigerant charge Entering air temp Discharge air temp Entering air temp Fan speed Airflow Hi Fan speed Airflow MS09NW MS09NW MS15NN MS09NW MS09NW MS09NW MS15NN MS09NW MS15NN 0 035 0 34 0 035 0 34 0 047 0 71 0 41 0 035 0 34 0 035 0 34 MUM30NN 208 230 60 1 3 wire 0 035 0 34 0 047 0 41 0 035 0 34 0 047 0 41 7 0 273 80 154 122 47 130 25 3 lbs 3 oz 80 67 60 57 1 230 279 264 80 157 11...

Страница 21: ...emp Ref pipe length Refrigerant charge Entering air temp Discharge air temp Entering air temp Fan speed Airflow Hi Fan speed Airflow MS09NW MS09NW MS15NN MS09NW MS09NW MS09NW MS15NN MS09NW MS15NN 0 035 0 34 0 035 0 34 0 047 0 71 0 41 0 035 0 34 0 035 0 34 MUM30NN2 208 230 60 1 3 wire 0 035 0 34 0 047 0 41 0 035 0 34 0 047 0 41 7 0 246 78 146 112 50 130 25 2 lbs 14oz 80 67 60 57 1 230 279 247 78 14...

Страница 22: ...25ft 2 lbs 2 oz 2 lbs 14 oz 2 lbs 14 oz 3lbs 3lbs 3 ozo2 3 lbs 8 oz 2lbs 14 oz o2 3 lbs 1 oz 25ft 0 0 30ft 1 1 33ft 1 1 Refrigerant piping length one way 40ft 2 2 45ft 2 2 49ft 3 3 MUM 30NN MUM 30NN2 MS09NW MS15NN MS09NW MS15NN 65ft 5 MS09NW MU09NW MS09NW2 MU09NW2 MS12NN MU12NN MS12NN2 MU12NN2 MS15NN MU15NN MS15NN2 MU15NN2 MS17NN MU17NN MS17NN2 MU17NN2 2 OPERATION Function Cooling Standard tempera...

Страница 23: ... 7 3 16 3 8 16 15 16 1 3 8 O D 3 4 I D OUTLINES AND DIMENSIONS Unit inch Conduit cover Connector Lock nut NOTE Do not wire 12V DC and 115V AC in same conduit hole 7 8 12 5 8 12 5 16 11 16 3 9 16 4 3 16 7 16 5 16 o 7 8 2 3 8 1 4 4 3 8 16 11 16 4 13 16 1 1 16 2 9 16 13 1 2 3 9 16 10 5 16 9 13 16 19 5 8 30 11 16 2 9 16 10 1 16 21 1 4 11 1 4 12 5 8 3 8 1 11 16 2 13 16 3 4 1 15 16 5 8 4 3 8 o 13 16 1 1...

Страница 24: ...1 11 16 13 16 1 8 17 11 16 17 11 16 17 1 4 13 7 8 2 15 16 Installation plate Wireless remote controller 9 3 4 1 3 8 5 8 13 12 16 13 16 1 15 16 11 7 16 12 3 16 13 9 16 1 3 16 6 3 16 3 15 16 6 5 16 1 4 5 8 7 3 16 13 16 19 11 16 33 7 16 2 15 16 23 13 16 11 1 2 4 in 4 in 4 in 14 in 20 in Unit inch Conduit cover Connector Lock nut NOTE Do not wire 12V DC and 115V AC in same conduit hole This figure sho...

Страница 25: ...15 16 2 25 5 8 Air outlet 15 3 8 Earth terminal Service panel Electrical box 2 1 16 2 5 32 17 3 8 1 45 5 16 Air outlet handle for moving 12 1 4 20 1 2 12 5 8 1 1 13 5 8 37 7 16 Drainage hole 1 Air intake 4 wiring holes 7 8 Refrigerant pipe Flared 5 8 Refrigerant pipe Flared 1 4 Refrigerant pipe Flared 3 8 2 3 8 2 3 8 2 3 8 2 3 8 2 3 8 2 15 16 NOTE The symbol indicates the diameter NOTE Do not wire...

Страница 26: ...the outdoor electric wiring refer to the outdoor unit electric wiring diagram 2 Use copper conductors only For field wiring 3 Symbols below indicate Terminal block Connector NOTE 1 Use copper conductors only For field wiring 2 w show the terminals with a lock mechanism so they can not be removed when you pull the lead wire Be sure to pull the wire by pushing the locking lever projected part of the...

Страница 27: ...iring 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 NOTE 1 Use copper conductors only For field wiring 2 w show the terminals with a lock mechanism so they cannot be removed when you pull the lead wire Be sure to pull the wire by pushing the locking lever projected part of the terminal...

Страница 28: ...ROTECTOR TERMINAL BLOCK TERMINAL BLOCK TERMINAL BLOCK OVER CURRENT RELAY CONTACTOR NAME NAME NAME TO OUTDOOR UNIT CONNECTING WIRES 12V DC FROM OUTDOOR UNIT CONNECTING WIRES POWER SUPPLY 115V 1 phase 60Hz RED YLW BLK VLT 5 REMOTE CONTROLLER POWER MONITOR RECEIVER P C BOARD LD101T ELECTRONIC CONTROL P C BOARD MV C11 F11 MF HIC1 TRANS NR11 TAB12 1 2 3 1 1 2 2 3 5 CN 121 CN201 CN 151 3 CN202 NOTE 2 Us...

Страница 29: ...ow indicate INDOOR FAN MOTOR INNER FUSE VANE MOTOR VARISTOR ROOM TEMPERATURE THERMISTOR SYMBOL MF MV NR11 RT11 INDOOR FAN CAPACITOR SURGE ABSORBER FUSE 3A DC DC CONVERTER SYMBOL C11 DSAR F11 HIC1 NAME NAME NAME SYMBOL RT12 SR142 SR144 TB COIL TEMPERATURE THERMISTOR SOLID STATE RELAY TERMINAL BLOCK Connector GROUND GR N YLW FROM INDOOR UNIT CONNECTING WIRES 115V 1 Phase 60Hz TB2 TB1 TO INDOOR UNIT ...

Страница 30: ... LD603 LD612 LD602 LD611 LD601 BLU BLU BLK BLK X63 X62 X61 RED RED BLU BLU GRY BLU GRY BLU 1 3 CR 7 8 1 2 X64 GRY BLU WHT BLK YLW ORN RED 1 6 5 4 3 2 RED YLW BLK WHT ORN 6 5 4 3 2 1 GRY BRN X64 5 1 3 4 6 2 MF2 ORN RED BLU YLW BLK WHT X64 S w w w w w w 1 Slide the sleeve 2 Pull the wire while pushing the locking lever NOTE 1 Use copper conductors only For field wiring 2 Symbols below indicate Termi...

Страница 31: ...1 2 BRN 52C3 2 52C2 1 2 52C1 1 GROUND BLU L2 N RED L1 TB RED NO 52C2 COM 2 51C2 1 51C1 WHT 52C1 52C3 51C3 BLK MC1 R C S RED C1 WHT BLK R MC3 S RED C3 C BLK BLK WHT BLK MC2 R C S C2 RED BLK MF1 MF2 ORN RED BLU YLW BLK WHT 1 Slide the sleeve 2 Pull the wire while pushing the locking lever NOTE 1 Use copper conductors only For field wiring 2 Symbols below indicate Terminal block Connector 3 w shows t...

Страница 32: ...mpresser Muffler Muffler Room temperature thermistor RT11 Room temperature thermistor RT11 Distributor Indoor coil thermistor RT12 Fusible plug MU12 O D 0 12 o I D 0 071 o 31 1 2 MU15 O D 0 12 o I D 0 071 o 21 5 8 MU17 O D 0 12 o I D 0 079 o 27 9 16 Flow of refrigerant Flow of refrigerant Indoor coil thermistor RT12 Compressor Fusible plug Strainer Strainer Outdoor heat exchanger Outdoor heat exch...

Страница 33: ...heat insulator Ball valve with service port Refrigerant pipe 5 8 Option with heat insulator Ball valve Service port Service port Accumulator Muffler Fusible plug Compressor O D 0 12oI D 0 063 o 15 3 4 Capillary tube C Strainer MS15NN Evaporator Indoor coil thermistor RT12 Room temperature thermistor RT11 Flared connection Flared connection Refrigerant pipe 1 4 Option with heat insulator Ball valve...

Страница 34: ...on with heat insulator Ball valve Service port Service port Accumulator Muffler Fusible plug Compressor O D 0 12 o I D 0 063 o 17 11 16 Capillary tube C Strainer MS15NN Evaporator Indoor coil thermistor RT12 Room temperature thermistor RT11 Flared connection Flared connection Refrigerant pipe 1 4 Option with heat insulator Ball valve with service port Refrigerant pipe 3 8 Option with heat insulato...

Страница 35: ...ture and room temperature Approx 4 F or less This shows that the air conditioner is operating to reach the target temperature Please wait unil the target temperature is obtained This shows that the room temperature is approaching the target temperature Operation state Indication Operation Indicator Operation Indicator lamp The operation indicator at the right side of the indoor unit indicates the ...

Страница 36: ...peration COOL mode of I FEEL CONTROL or COOL mode When the system is restarted after 2 hours the operation mode is determined by the initial room temperature at start up of the operation Restart COOL mode of I FEEL CONTROL COOL or DRY mode of I FEEL CONTROL that determined by initial room temperature start up of the operation Initial room temperature mode more than 77 F 55 F to 77 F COOL mode of I...

Страница 37: ...than 2 degrees Lo 2 Coil frost prevention Temperature control MS09 When the indoor coil thermistor RT12 reads 39 F or below for 5 minutes the coil frost prevention mode starts MS12 15 17 When the indoor coil thermistor RT12 reads 37 F or below the coil frost prevention mode starts immediately However the coil frost prevention doesn t work for 5 minutes since the compressor has started The indoor f...

Страница 38: ...an speed becomes Lo 2 The operation of the compressor and indoor outdoor fan Compressor operates by room temperature control and time control Set temperature is controlled to fall 4 F as initial set temperature Indoor fan and outdoor fan operate in the same cycle as the compressor When the room temperature is 73 F or over When the thermostat is ON the compressor repeats 8 minutes ON and 3 minutes ...

Страница 39: ...otor are controlled by pulse signals approx 12V transmitted from indoor microprocessor 2 The horizontal vane angle and mode changes as follows by pressing the VANE CONTROL or button 9 5 FAN MOTOR CONTROL MS09 1 Rotational frequency feedback control The indoor fan motor is equipped with a rotational frequency sensor and outputs signal to the microprocessor to feed back the rotational frequency Comp...

Страница 40: ...en the following cases occur the vane returns to the closed position a When the OPERATE STOP ON OFF button is pressed POWER OFF b When the operation is stopped by the emergency operation c When the ON TIMER is on standby 6 Dew prevention During COOL or DRY operation at vane Angle 4 or 5 when the compressor cumulative operation time exceeds 1 hour the vane angle automatically changes to Angle 1 for...

Страница 41: ... 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 of about 10 minutes NOTE2 Reset the timer in the following cases or the set time may deviate and other malfunctions may occur A power failure occurs The circuit breaker functions 2 Cancel TIMER setting can be cancelled with the TIMER C...

Страница 42: ...NN MS17NN MS12NN2 MS15NN2 MS17NN2 42 MS09NW2 MS12 15 17NN2 1 How to set the timer 1 Press the OPERATE STOP ON OFF button to start the air conditioner 2 Press the button to select the operation OFF TIMER ON TIMER TIMER RELEASE Each time this button is pressed the timer mode is changed in sequence 3 Press the button to set the timer Each time this button is pressed the set time increases by 1 hour t...

Страница 43: ...each J1 and J2 Cut J1 and J2 accord ing to the number of indoor unit as shown in Table 1 After modification push the RESET button NOTE For remodeling take out the batteries first After finish remodeling put back the batteries then push the RESET button Table1 NOTE At power supply failure or installation indoor unit deletes the memory about remote controller When the power supply is turned on and i...

Страница 44: ...ld the housing of the connector DO NOT pull the lead wires 3 Troubleshooting procedure 1 First check if the OPERATION INDICATOR lamp on the indoor unit is flashing on and off to indicate an abnormality To make sure check how many times abnormality indication is flashing on and off before starting service work 2 If the electronic control P C board is supposed to be defective check the copper foil p...

Страница 45: ... 2 5 second OFF Start C A 11 2 1 troubleshooting check table Operation Indicator w Before taking measures make sure that the symptom reappears for accurate troubleshooting Self check table NO 1 2 Abnormal point Indoor coil thermistor Room tempera ture ther mistor Indoor fan motor Indication 2 time flash 2 5 second OFF 3 time flash 2 5 second OFF Symptom Outdoor unit does not run Indoor fan repeats...

Страница 46: ...ith a tester Part temperature 50 F 86 F Figure 1 2 3 MS09 MS12 15 17 MU09 RED RED RED ORN BLK BLU BLK BLK WHT WHT YLW YLW GRY BRN BRN WHT 1 2 3 P F F Normal 8k 20k Abnormal Opened or short circuit Normal MU09 0 8 1 1 1 9 2 4 1 9 2 4 1 4 1 9 2 4 3 0 1 4 1 8 2 3 2 9 MU12 MU15 MU17 C R C S Normal MS09 Abnormal Opened or short circuit 76 83 WHT BLK BLK RED BRN YLW YLW GRY Normal MS09 4 5 5 5V Abnormal...

Страница 47: ...MUM30NN2 11 2 3 Trouble criterion of main parts Measure the resistance between the terminals with a tester Coil wiring temperature 14 F 104 F Measure the resistance between the terminals with a tester Coil wiring temperature 14 F 104 F Part name Compressor Outdoor fan motor Check method and criterion Figure Normal KH122WEV 0 8 1 1 Opened or short circuited C R C S 4 8 5 2 Abnormal Normal Upper 60 ...

Страница 48: ...ace remote controller Re install the unit away from lights Attach a filter on receiving part Switch on the remote controller Is LCD display on remote con troller visible Remove batteries and then set them back Check if the unit operates with remote controller Yes Does the unit operate with remote controller Yes No not clear Yes No No No No OK Connect properly Replace Auto Restart Assembly No Repla...

Страница 49: ...ch 3 minute time delay works Test mode operates for 30 minutes Start Check voltage to terminal block of indoor unit Is there 12V to terminal block between Check the outdoor fan motor compressor relay and wiring Check the indoor outdoor connection and respective power supply Replace indoor electronic control P C board L1 L2 L1 N 2 1 Yes No No Yes No Trouble of indoor electronic con trol P C board W...

Страница 50: ...Check the indoor and outdoor connection No Yes Check the indoor unit Check voltage to terminal block of indoor unit Is there 12V DC to terminal block between 2 1 3 Compressor does not operate Outdoor fan operates MUM30NN MUM30NN2 Check resistance to over current relay 51C1 51C2 and 51C3 Is there continuity at normal temperature Start Measure resistance to contactor 52C Is resistance 0 short or ope...

Страница 51: ... between connector CN64 3 and 4 Replace outdoor P C board Yes No Is there 230V AC in following case Single operation between LD61 and LD614 Double operation between LD61 and LD613 Triple operation between LD61 and LD612 Check the outdoor unit wiring Check the fan motor relay X64 30NN2 Yes No Replace outdoor fan motor Measure resistance to outdoor fan motor Is resistance 0 short or open see page 47...

Страница 52: ...1 Varistor NR11 Fuse 250V AC 3 0A Room temperature thermistor RT11 Indoor coil thermistor RT12 32 F 50 68 86 104 122 140 Indoor coil thermistor RT12 Room temperature thermistor RT11 TAB 12 Power supply input 115V AC EMERGENCY OPERATION switch Fan motor power supply Timer short mode point JPG JPS ...

Страница 53: ...r supply input 115V AC 5V DC Indoor coil thermistor RT12 Timer short mode point Room temperature thermistor RT11 12V DC 32 F 50 68 86 104 122 140 Room temperature thermistor RT11 Indoor coil thermistor RT12 Varistor NR11 CN201 8 7 5 6 4 3 2 1 Me Lo Hi Fan motor power supply JP7 JP9 JP24 JP11 CN112 JPG JPS CN111 EMERGENCY OPERATION switch ...

Страница 54: ... P C board OUT PUT 15V DC POWER TRANS FORMER FUSE 2A 250V 10 17V DC while 52C is ON 0V DC while 52C is OFF Comp control signal input 2 1 IN PUT 15V DC 230V AC Triple operation 230V AC Single Double operation 230V AC 52C Signal A UNIT 52C Signal B UNIT 52C Signal C UNIT ...

Страница 55: ...l P C board 52C Signal A UNIT OUT PUT 15V DC POWER TRANS FORMER FUSE 2A 250V 52C Signal B UNIT 52C Signal C UNIT 10 17V DC while 52C is ON 0V DC while 52C is OFF Comp control signal input 2 1 IN PUT 15V DC 230V AC Triple operation 230V AC Single Double operation 230V AC ...

Страница 56: ...FF MODE THERMOSTAT 52C CONTACTOR INDOOR FAN RELAY COOL COOL mode of I FEEL CONTROL DRY DRY mode of I FEEL CONTROL NOTE When the compressor is OFF 3 minute time delay circuit operates ON AUTO or set speed VLo speed OFF for 5 min After that OFF is prolonged until indoor coil thermistor reads termination temperature Indoor fan speed Hi Me Lo VLo OFF Relay turning ON SR144 SR143 SR142 SR141 All fan re...

Страница 57: ...ay X64 is turned on only in a single operation 52C1 52C2 52C3 X61 X62 X63 X64 OFF OFF OFF OFF ON ON ON ON OFF OFF OFF OFF OFF OFF OFF ON OFF OFF ON ON ON OFF OFF OFF ON ON ON ON OFF ON OFF OFF OFF OFF OFF OFF ON ON OFF ON OFF ON OFF OFF ON OFF OFF ON OFF OFF ON ON ON OFF OFF OFF FAN RELAY FAN SPEED APPLIED VOLTAGE FAN MOTOR RELAY OUTDOOR FAN SPEED MF1 MF2 APPLIED VOLTAGE TO FAN X61 is ON Hi Hi 230...

Страница 58: ... X61 X63 can not turn on at the same time 52C1 52C2 52C3 X61 X62 X63 OFF OFF OFF OFF ON ON ON ON OFF OFF OFF OFF OFF OFF ON OFF OFF ON ON OFF OFF OFF ON ON ON OFF ON OFF OFF OFF OFF OFF ON OFF ON OFF ON OFF ON OFF OFF ON OFF ON ON ON OFF OFF FAN RELAY FAN SPEED APPLIED VOLTAGE FAN MOTOR RELAY OUTDOOR FAN SPEED MF1 MF2 APPLIED VOLTAGE TO FAN X61 is ON Hi Hi 230V AC between WHT and BLK X62 is ON Lo ...

Страница 59: ...ing the front panel 1 Remove the screw caps at the down of the front panel Remove the screws 2 Pull the panel down to your side slightly and unhook the catches at the top 2 Removing the electronic control P C board and the display P C board 1 Remove the front panel Refer to 1 2 Remove the screw of the electrical cover Remove the electrical cover 3 Remove the terminal block cover Remove the screw o...

Страница 60: ...the screw of the vane motor disconnect the con nector 3 Remove the vane motor 5 Removing the line flow fan and the indoor fan motor 1 Remove the front panel Refer to 1 2 Disconnect the connector from the vane motor 3 Pull out the drain hose from the nozzle assembly remove the nozzle assembly 4 Lifting the left side of the heat exchanger remove the elec trical box 5 Remove the screw fixing the fan ...

Страница 61: ...t the top 2 Removing the electronic control P C board and dis play P C board 1 Remove the front panel Refer to 1 2 Remove the screw of the electrical cover Remove the electrical cover 3 Remove the screw of the terminal cover Remove the terminal cover 4 Remove the screw of the terminal block 5 Unhook the catch of the lamp holder 6 Remove the receiver holder 7 Remove the screw of the ground wire 8 D...

Страница 62: ...pport 6 Remove the screw of the heat exchanger and unhook the catch 7 Lifting the heat exchanger remove the bearing support 8 Remove the motor support 9 Loose the screw fixing the line flow fan remove the line flow fan 10 Remove the screws of the motor band remove the fan motor 3 Removing the electrical box 1 Remove the front panel Refer to 1 2 Remove the electrical cover 3 Remove the connector of...

Страница 63: ...d clamps and disconnect the outdoor fan motor lead wires 5 Remove screws fixing the fan motor 6 Remove the outdoor fan motor 12 3 MU09NW MU09NW2 OUTDOOR UNIT Photo 2 Photo 1 Photo 3 Screw for top plate Screws for cabinet Screw for top plate Screws for cabinet Service panel Screw for service panel Set screws for outdoor fan motor Lead clamps Outdoor fan motor Propeller fan nut propeller fan 1 Remov...

Страница 64: ...e the overcurrent relay 7 Remove the compressor nuts 8 Detach the suction pipe welded section and discharge pipe welded section NOTE Before using a torch reclaim gas from the pipes until the pres sure gauge shows 0 PSI GAUGE Use the torch under the condition that gas can be recovered even when the inner pressure rises by heat Reclaim all refrigerant in an environmentally acceptable manner Photo 4 ...

Страница 65: ...h side to remove the cabinet 2 Removing the electrical parts 1 Remove the service panel and the cabinet 2 Remove the following parts Compressor capacitor C1 Outdoor fan capacitor C2 Terminal block 12 4 MU12NN MU15NN MU17NN MU12NN2 MU15NN2 MU17NN2 OUTDOOR UNIT Photo 1 Photo 3 Photo 2 Screws Screws Service panel Compressor capacitor ...

Страница 66: ...sor 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 securing the compressor 9 Remove the compressor NOTE Before using the torch reclaim gas from the pipes until the pressure gauge shows 0 PSI GAUGE Use the torch under the condition that gas can be released even when the inner pre...

Страница 67: ...the set screws of the side panel to remove the side panel and cabinet 2 Removing the propeller 1 Remove the propeller nut 2 Loosen the propeller in the rotating direction 3 Pull the propeller forward Note To set the propeller fit the cut on the shaft to the mark on the propeller OPERATING PROCEDURE PHOTOS Photo 1 Photo 3 Screws Screws Screw Propeller Nut Photo 2 ...

Страница 68: ...door fan motor 1 Remove the cabinet Refer to 1 2 Remove the propeller Refer to 2 3 Disconnect the connector remove the clamp of outdoor fan motor lead wire 4 Remove the screws fixing the outdoor fan motor Set screws of the relay panel Clamp Connector Photo 4 ...

Страница 69: ...rminal to remove overcurrent relay 6 Remove set nuts of the compressor base 7 Remove the low pressure side welded part and high pressure side welded part using a burner NOTE Before using the torch reclaim gas from the pipes until the pressure gauge shows 0 PSI GAUGE Use the torch under the condition that gas can be released even when the inner pressure rises by heat Reclaim all refrigerant in an e...

Страница 70: ...T E02 268 000 E02 151 010 E02 164 100 E02 166 234 E02 151 970 E02 166 067 7 8 REMOTE CONTROLLER REMOTE CONTROLLER REMOTE CONTROLLER HOLDER 1 1 1 1 E02 268 426 E02 474 426 E02 141 083 OPTIONAL PARTS PARTS LIST 1 6 2 3 4 5 7 8 MS09NW W MS09NW2 W 13 1 INDOOR UNIT STRUCTURAL PARTS 13 2 ACCESSORY AND REMOTE CONTROLLER 13 2 ACCESSORY AND REMOTE CONTROLLER 13 1 INDOOR UNIT STRUCTURAL PARTS This figure sh...

Страница 71: ...250V 3 0A MV MF RT11 RT12 TB F11 NR11 E02 199 235 E02 166 040 E02 408 702 E02 141 702 E02 151 303 E02 268 300 E02 151 505 E02 151 302 E02 151 509 E02 151 308 E02 151 307 E02 268 375 E02 268 453 E02 001 504 E02 268 382 E02 268 081 E02 268 385 E02 151 468 E02 151 333 FAN GUARD 1 1 1 1 1 1 19 20 21 INDOOR HEAT EXCHANGER UNION GAS UNION LIQUID 3 8 1 4 E02 155 620 E02 151 666 E02 151 667 Part numbers t...

Страница 72: ...K TERMINAL BLOCK OVER CURRENT RELAY CONTACTOR CONTACTOR 1 1 1 1 1 1 3 1 1 1 1 1 2 1 1 1 1 1 1 1 1 MU09NW2 1 1 1 1 1 1 3 1 1 1 1 1 2 1 1 1 1 1 1 1 1 1 1 KH122WES 3RUBBER 1 4 3 8 0 12 o 0 063 o 47 1 4 RA6W23 55 F 220VAC 5 0 F 250VAC 5 0 F 250VAC 3P 4P 2P MC MF C1 C2 C2 TB1 TB TB2 TB3 51C 52C 52C E02 096 232 E02 085 297 E02 085 521 E02 199 521 E02 085 245 E02 085 630 E02 268 900 E02 065 506 E02 096 6...

Страница 73: ... MS 15NN2 W MS 17NN W 1 1 1 2 1 3 1 MS 17NN2 W MS 12NN W 1 1 1 2 1 3 1 MS 12NN2 W 3PCS SET E02 270 000 E02 271 000 E02 272 000 E02 138 000 E02 138 010 E02 143 234 E02 141 100 E02 141 970 E02 143 067 E02 270 007 E02 271 007 E02 272 007 8 9 REMOTE CONTROLLER REMOTE CONTROLLER REMOTE CONTROLLER HOLDER 1 1 1 1 1 1 1 1 1 1 1 1 E02 268 426 E02 474 426 E02 141 083 Part number that is circled is not shown...

Страница 74: ...MS 17NN W MS 12NN W E02 143 235 E02 143 040 E02 141 702 E02 408 702 E02 270 300 E02 272 300 E02 001 505 E02 270 452 E02 270 450 E02 271 450 E02 272 450 E02 270 081 E02 141 302 E02 141 303 E02 138 329 E02 141 509 E02 268 375 E02 268 385 E02 268 382 E02 141 468 E02 001 504 E02 138 307 E02 138 308 E02 138 333 E02 475 383 22 23 24 INDOOR HEAT EXCHANGER UNION LIQUID UNION GAS 1 1 1 1 1 1 1 1 1 1 1 1 1 ...

Страница 75: ...F 370VAC 30 F 370VAC 35 F 370VAC 3 0 F 440VAC 4P 4P 0 12 o 0 071 o 31 1 2 0 12 o 0 079 o 27 9 16 0 12 o 0 071o 21 5 8 3RUBBER SET 1 4 5 8 MC MC MC MF C1 C1 C1 C2 TB TB1 TB2 52C MU15 NN 1 1 1 1 1 1 1 1 1 1 1 1 1 1 3 1 1 1 1 2 1 MU15 NN2 MU17 NN 1 1 1 1 1 1 1 1 1 1 1 1 1 1 3 1 1 1 1 2 1 MU17 NN2 MU12 NN 1 1 1 1 1 1 1 1 1 1 1 1 1 1 3 1 1 1 1 2 1 MU12 NN2 E02 141 232 E02 141 521 E02 270 245 E02 138 63...

Страница 76: ...T2W E46 297 T2W E46 001 FRONT PANEL 1 2 1 1 1 1 OUTER NOZZLE SIDE PANEL L SERVICE PANEL TOP PANEL LABEL MUM30NN MUM30NN2 1 2 1 1 1 1 NOTE When you order FRONT PANEL R01 539 668 order LABEL T2W E46 001 at the same time See above NOTE See above NOTE 13 11 OUTDOOR UNIT STRUCTURAL PARTS MUM30NN MUM30NN2 Refer to MS09NW MS15NN for indoor unit ...

Страница 77: ...R UPPER FUSIBLE PLUG CAHRGE PLUG COMPRESSOR COMPRESSOR CAPILLARY TUBE for 09A 09B M21 AP9 936 CAPILLARY TUBE for 09A 09B VALVE LIQUID VALVE GAS for 09A 09B VALVE GAS for 15C CAPILLARY TUBE for 15C REAR PANEL KH 122WEV T92 513 200 MC1 MC2 MUM30NN2 1 2 1 1 3 6 1 3 2 1 1 1 16 M21 B20 646 HIGH PRESSURE SWITCH 3 1 2 COMPRESSOR KH 122WES RH 167NAB 0 12o 0 055o74 13 16 2 0 12o 0 055o74 13 16 1 4 3 8 5 8 ...

Страница 78: ... 1 2 1 MC3 CAPACITOR OUTDOOR P C BOARD 3 T2W E52 451 MUM30NN2 2 1 1 1 2 1 1 1 1 2 1 1 OUTDOOR P C BOARD FUSE TRANSFORMER MC1 MC2 CONTACTOR MC3 CONTACTOR TERMINAL BLOCK TERMINAL BLOCK TERMINAL BLOCK MC1 MC2 THERMAL SWITCH MC3 THERMAL SWITCH G4F 11123T VF 12HU UNIT 15C UNIT 09A O9B MRA98881 MRA98921 C1 C2 T2W 903 353 MC1 MC2 CAPACITOR C1 C2 C3 F F61 T 52C1 52C2 52C3 TB1 TB TB4 TB TB2 3 TB 51C1 51C2 ...

Страница 79: ...EANING FILTER may reduce the air conditioner capacity or cause frost on the air outlet DO NOT reuse AIR CLEANING FILTER even if it is washed DO NOT remove or attach AIR CLEANING FILTER during unit operation 3 DEODORIZING FILTER DEODORIZING FILTER removes ammonia and hydrogen sulphide emitted from tobacco and odors of pets Clean DEODORIZING FILTER every two weeks If the filter is particularly dirty...

Страница 80: ... New publication effective Mar 2000 Specifications subject to change without notice CCopyright 1997 MITSUBISHI ELECTRIC ENGINEERING CO LTD Issued in Mar 2000 NO OB192 REVISED EDITION B 6026 Issued in Dec 1997 NO OB192 REVISED EDITION A 7143 Issued in May 1997 NO OB192 5042 Printed in Japan ...

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