Mitsubishi Electric Mr. Slim MSH09NW Скачать руководство пользователя страница 44 | Manualshive

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44

11-2 Instruction of troubleshooting

Indoor unit oper-
ates. Outdoor unit
doesn’t operate.

Outdoor unit
operates in
only Test
Run opera-
tion.

Outdoor unit
doesn’t oper-
ate even in
Test Run
operation.

Check room
temperature
thermistor.

Refer to
“Check of
outdoor unit”
on page 49.

Indoor unit
dosen’t receive
the signal from
remote
controller.

Refer to
”Check of
receiver P.C.
board” on
page 48.

Indoor unit operation
monitor lamp is flashing.

Indoor unit doesn’t
receive the signal from
remote controller.
Also, operation monitor
lamp doesn’t flash, when
the emergency operation
switch is pressed.

Refer to “Check of
indoor electric control
P.C. board” on page 49.

Cause:indoor/outdoor unit
connecting

Trouble of mis-wiring
Trouble of the serial signal

Cause:Indoor unit

2-time-Room tempera-

ture/Indoor coil
thermistor trouble.

MSH09NW only
3-time-Indoor fan motor

trouble

Refer to
“How to check
mis-wiring and sig-
nal error
(when outdoor unit
doesn’t work)”
on page 50.

❈

1

6-time flash

2.5-second OFF

Cause:outdoor unit
6-time-Replace the out-

door thermistor

E

D

B

Check room temperature
thermistor. Refer to“Test
point diagram and volt-
age” on page 51 and 52.

Refer to
“Check of indoor
fan motor” on
page 47.

Check indoor coil
thermistor. Refer
to“Test point dia-
gram and voltage”
on page 51 and
52.

❈

1<The case of the trouble of the serial signal>

when turn off the power and then turn on the power again, the
indication shows “the trouble of mis-wiring.”

2-time flash

2.5-second OFF

Start

1-time flash

C

A

(

MSH09NW only
3-time flash

2.5-second OFF

MSH12NN
MSH15NN
MSH17NN
When the
remote controller
is pressed or
when the
Emergency
operation switch
is pressed,the
fan does not
rotate,with
Operation indi-
cator lamp on.

OB198--2.qxp 24/6/97 6:02 AM Page 44

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Содержание Mr. Slim MSH09NW

Страница 1: ...FRIGERANT SYSTEM DIAGRAM 28 9 MICROPROCESSOR CONTROL 30 10 SERVICE FUNCTIONS 41 11 TROUBLESHOOTING 43 12 DISASSEMBLY INSTRUCTIONS 55 13 PARTS LIST 65 14 OPTIONAL PARTS 74 Wireless type Models MSH09NW WH MUH09NW MSH12NN WH MUH12NN MSH15NN WH MUH15NN MSH17NN WH MUH17NN No OB198 The Slim Line From Mitsubishi Electric LIST ED R MSH12NN MSH15NN MSH17NN INDOOR UNIT MUH12NN MUH15NN OUTDOOR UNIT Remote co...

Страница 2: ......

Страница 3: ...oo 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 made more better design and easier to handle than even 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 loc...

Страница 4: ...nction was changed to the clock timer function 4 Indoor auto vane has been adopted MSH12EN MSH15EN MSH12NN MSH15NN 1 Indoor unit has changed Outline dimension changes 39 3 8 o7 o14 3 16 WoDoH 39 15 16 o7 1 2 o12 5 8 WoDoH 2 Outdoor unit has changed Outline dimension changes 33 1 2 o11 7 16 o23 7 8 WoDoH 33 7 16 o11 7 16 o23 13 16 WoDoH Capillary tube refrigerant and pipe had changed 3 Remote contr...

Страница 5: ...5 INDOOR UNIT MSH09NW OUTDOOR UNIT MUH12NN MUH15NN MUH09NW When the front panel is opened MSH09NW MSH09NW MSH12NN MSH15NN MSH17NN MSH12NN MSH15NN MSH17NN MSH12NN MSH15NN MSH17NN MUH17NN ...

Страница 6: ... the indoor outdoor units 47 17 Dry Wet W D H Model Winding resistance at 68 F W D H Liquid Gas Indoor Outdoor Height difference Piping length Btu h Btu h Btu h W W V phase Hz A A F L A A kW 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 in in in lbs in in ft ft 8 800 10 500 5 300 890 890 820 9 9 10 0 6 8 3 5 MSH09NW White 115 1 60 15 0 5 0 37 208 265 328 177 226 279 2 3 31 ...

Страница 7: ... 180 1 250 1 110 1 140 9 8 9 8 10 2 10 2 3 2 3 2 MSH12NN 311 339 388 3 3 MUH12NN 15 RH 185NHDT 6 8 6 8 White 115 1 60 15 0 6 0 43 360 395 452 36 39 42 5 8 39 15 16 7 1 2 12 5 8 31 Munsell 5Y7 1 208 230 1 60 14 0 52 C R 1 68 C S 2 78 10 35 Capillary tube Reverse cycle 33 7 16 11 7 16 23 13 16 99 Wireless type 12V DC peak voltage Not supplied optional parts 1 4 5 8 Flared Flared Max 25 Max 49 14 300...

Страница 8: ...A F L A R L A L R A in in in lbs in in ft ft 16 000 16 200 16 800 17 200 10 100 10 300 1 560 1 580 1 500 1 570 1 410 1 510 10 3 10 3 10 4 10 4 6 8 6 8 3 3 3 2 MSH17NN White 115 1 60 15 0 7 0 51 406 441 491 342 371 413 5 1 40 43 45 5 8 39 15 16 7 1 2 12 5 8 31 MUH17NN Munsell 5Y 7 1 208 230 1 60 20 15 0 75 RH 231NHDT C R 1 65 C S2 67 11 38 Capillary tube Reverse cycle 34 1 4 11 5 8 33 1 2 128 Wirel...

Страница 9: ...ERENCE Model MSH09NW MSH12NN MSH15NN MSH17NN Additional piping Max length ft A 49 Gas 3 8 5 8 Piping size O D in Length of connecting pipe in Liquid 1 4 Indoor unit 16 15 16 Outdoor unit 0 MAX REFRIGERANT PIPING LENGTH ...

Страница 10: ... 1 IWB Intake air wet bulb temperature TC Total Capacity x10 3 Btu h SHC Sensible Heat Capacity x103 Btu h TPC Total Power Consumption kW 2 SHC is based on 80 F of indoor intake air DB temperature 1 PERFORMANCE DATA 1 COOLING CAPACITY 2 COOLING CAPACITY CORRECTIONS MSH09NW MSH12NN MSH15NN MSH17NN 3 HEATING CAPACITY Models Models Outdoor intake air WB temperature F MSH09NW 75 70 65 75 70 65 75 70 6...

Страница 11: ...ntake air WB temperature F Indoor intake air WB temperature F Cooling capacity SHF at rating condition 0 7 279CFM 0 23 Airflow Bypass Factor 12 10 8 6 1 2 65 75 85 95 105 115 0 8 0 6 Total power consumption kW Total capacity 10 Btu h Outdoor intake air WB temperature F Indoor intake air DB temperature F Indoor intake air DB temperature F Heating capacity 328CFM Airflow 12 14 10 8 6 1 1 1 0 15 25 3...

Страница 12: ...0 6 Cooling capacity SHF at rating condition 0 71 388CFM 0 15 Airflow Bypass Factor 65 75 85 95 105 115 Total power consumption kW Total capacity 10 Btu h Outdoor intake air DB temperature F Indoor intake air DB temperature F Heating capacity 452CFM Airflow 15 25 35 45 55 Total power consumption kW Total capacity 10 Btu h Outdoor intake air WB temperature F 0 8 1 0 1 2 1 4 Indoor intake air DB tem...

Страница 13: ...w Bypass Factor 65 75 85 95 105 115 Total power consumption kW Total capacity 10 Btu h 22 18 14 10 2 Outdoor intake air DB temperature F Indoor intake air DB temperature F Heating capacity 452CFM Airflow 15 25 35 45 55 Total power consumption kW Total capacity 10 Btu h 20 16 8 1 4 0 8 Outdoor intake air WB temperature F 1 12 1 0 1 2 0 6 Indoor intake air DB temperature F Indoor intake air WB tempe...

Страница 14: ...condition 0 64 413CFM 0 24 Airflow Bypass Factor 65 75 85 95 105 115 Total power consumption kW Total capacity 10 Btu h 24 20 16 12 2 1 Outdoor intake air DB temperature F Indoor intake air DB temperature F Indoor intake air DB temperature F Heating capacity 491CFM Airflow 15 25 35 45 55 Total power consumption kW Total capacity 10 Btu h 20 16 12 8 2 0 1 0 Outdoor intake air WB temperature F 1 2 1...

Страница 15: ...5 90 95 100 104 F Condensing pressure Outdoor ambient temperature Intdoor DB temperature F 86 F 80 75 70 Intdoor DB temperature F psi G 40 50 60 70 80 90 100 68 70 75 80 85 90 95 100 104 F Suction pressure Outdoor ambient temperature 75 F 70 65 psi G 310 300 290 280 270 260 250 230 240 220 210 200 190 170 180 150 160 5 10 15 20 25 30 35 40 45 50 55 60 65 70 F Condensing pressure Outdoor ambient te...

Страница 16: ...00 104 F Condensing pressure Outdoor ambient temperature Intdoor DB temperature F 86 F 80 75 70 Intdoor DB temperature F psi G 40 50 60 70 80 90 100 68 70 75 80 85 90 95 100 104 F Suction pressure Outdoor ambient temperature 75 F 70 65 psi G 310 300 290 280 270 260 250 230 240 220 210 200 190 170 180 150 160 5 10 15 20 25 30 35 40 45 50 55 60 65 70 F Condensing pressure Outdoor ambient temperature...

Страница 17: ...95 100 104 F Condensing pressure Outdoor ambient temperature Intdoor DB temperature F 86 F 80 75 70 Intdoor DB temperature F psi G 40 50 60 70 80 90 100 68 70 75 80 85 90 95 100 104 F Suction pressure Outdoor ambient temperature 75 F 70 65 psi G 290 280 270 260 250 230 240 220 210 200 190 170 180 150 160 5 10 15 20 25 30 35 40 45 50 55 60 65 70 F Condensing pressure Outdoor ambient temperature Int...

Страница 18: ...95 100 104 F Condensing pressure Outdoor ambient temperature Intdoor DB temperature F 86 F 80 75 70 Intdoor DB temperature F psi G 40 50 60 70 80 90 100 68 70 75 80 85 90 95 100 104 F Suction pressure Outdoor ambient temperature 75 F 70 65 psi G 290 280 270 260 250 230 240 220 210 200 190 170 180 150 160 5 10 15 20 25 30 35 40 45 50 55 60 65 70 F Condensing pressure Outdoor ambient temperature Int...

Страница 19: ...rature Fan speed Airflow Hi Intake air temperature Fan speed Airflow Unit Btu h kW kW A A kW A A psi G psi G F F F F ft F F F F rpm CFM F F rpm CFM Heating 10 500 233 60 160 108 37 142 70 60 104 1 430 328 47 43 DB WB DB WB DB WB Item Model Total Electrical circuit Refrigerant circuit Indoor unit Outdoor unit Cooling 8 800 0 70 237 73 162 110 47 147 80 67 59 57 1 230 279 95 0 89 MSH09NW 115 1 60 0 ...

Страница 20: ...1 303 1 333 5 91 5 41 246 80 146 112 58 161 80 67 55 54 367 95 Heating 14 500 14 800 1 25 1 30 1 203 1 253 5 41 5 11 230 57 158 108 33 143 70 60 107 452 47 43 Heating 13 000 13 500 1 18 1 25 1 133 1 203 5 11 4 91 220 58 159 106 31 146 70 60 104 452 47 43 DB WB DB WB DB WB Item Model Total Electrical circuit Refrigerant circuit Indoor unit Outdoor unit MSH12NN MSH12NN 115 1 60 0 047 0 41 MUH12NN 20...

Страница 21: ... rpm CFM F F rpm CFM Heating 16 800 17 200 1 50 1 57 1 446 1 516 6 39 6 09 242 63 162 112 35 144 70 60 109 491 47 43 DB WB DB WB DB WB Item Model Total Electrical circuit Refrigerant circuit Indoor unit Outdoor unit Cooling 16 000 16 200 0 64 1 56 1 58 1 506 1 526 6 69 6 19 243 77 165 113 48 150 80 67 56 54 413 95 MSH17NN 115 1 60 0 054 0 47 MUH17NN 208 230 1 60 0 61 25 4 lbs 14 oz 1 290 740 800 1...

Страница 22: ...H17NN MUH17NN Outdoor unit precharged up to 25ft 2 lbs 5 oz 3 lbs 1 oz 3 lbs 3 oz 4 lbs 14 oz 25ft 0 30ft 3 35ft 5 Refrigerant piping length one way 40ft 8 45ft 11 49ft 13 Model 2 OPERATION Function Cooling Heating Standard temperature Maximum temperature Minimum temperature Standard temperature Maximum temperature Minimum temperature DB F 80 95 67 70 80 70 WB F 67 71 57 60 60 Indoor DB F 95 115 6...

Страница 23: ...6 1 4 19 11 16 5 8 1 1 8 3 15 16 1 4 3 9 16 2 13 16 3 16 7 3 16 3 8 16 15 16 1 3 8 O D 3 4 I D 7 8 12 5 8 12 5 16 11 16 3 9 16 4 3 16 7 16 5 16 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 13 16 1 1 4 9 16 9 16 11 1 4 12 5 8 4 in 4 in 14 in 16 in 4 in 16 20 in OUTLINES ...

Страница 24: ...11 16 17 1 4 13 7 8 39 15 16 2 15 16 12 5 8 1 15 16 2 3 16 30 1 2 7 1 2 6 5 16 11 16 7 1 2 3 16 5 16 19 11 16 1 2 16 15 16 1 15 16 O D 1 1 8 O D 5 8 1 1 8 installation plate 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 ...

Страница 25: ...inage and wiring 15 7 8 7 1 18 20 5 18 17 3 18 1 2 13 7 4 13 7 8 21 3 4 2 3 8 20 5 8 1 9 16 33 9 16 34 1 4 11 7 8 7 9 32 7 9 32 Front opening Service space for N E C 1 2 36 36 4 Note Allow adequate upper clearance 1 2 8 1 2 1 9 161 1 16 13 14 1 4 11 16 9 16 19 11 16 Refrigerant pipe Flared 1 4 Outlet guide installation hole 1 40 1 2 Outdoor Unit Necessary surrouding clearance Concentrated installa...

Страница 26: ...wiring 3 Symbols below indicate Terminal block Connector NOTE 1 Use copper conductors only For field wiring 2 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 terminal with a finger 3 Symbols below indicate Terminal block Connector 1 Slide the sleeve 2 Pull the wire while push...

Страница 27: ...g 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 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 with ...

Страница 28: ...DOOR UNIT Indoor heat exchanger Room temperature thermistor RT11 Refrigerant pipe 5 8 Option Flared connection Flared connection Indoor coil thermistor RT12 Refrigerant pipe 1 4 Option with heat insulator Stop valve Strainer Check valve Capillary tube O D 0 12 I D 0 079 7 7 8 Capillary tube MSH12 O D 0 12 I D 0 071 19 11 16 MSH15 O D 0 12 I D 0 079 23 5 8 Compressor Accumulator Stop valve with ser...

Страница 29: ...onnection Ball valve with service port Strainer Strainer Strainer Ball valve Reversing valve Flow of refrigerant cooling Flow of refrigerant heating Accumulator Muffler Compressor Muffler Service port Service port Fusible plug Defrost thermisor RT61 Check valve Capillary tube O D 0 12 I D 0 079 9 13 16 Capillary tube O D 0 12 I D 0 079 27 9 16 Solenoid coil heating ON cooling OFF Distributor Unit ...

Страница 30: ...TROL or COOL mode Once the mode is fixed the mode will not change by room temperature afterwards Under the ON TIMER START operation mode is determined according to the room temperature when the operation starts When the system is stopped with the OPERATE STOP button on the remote controller and restarted within 2 hours in I FEEL CONTROL mode the system operates in previous mode auto matically rega...

Страница 31: ...OOL or TOO WARM button is pressed the microprocessor changes the set temperature considering the room temperature the frequency of pressing TOO COOL or TOO WARM button and the user s preference to heat or cool So this is called Fuzzy control and works only in I FEEL CONTROL mode In DRY mode of I FEEL CONTROL the set temperature doesn t change TOO COOL To raise the set temperature 2 4 degrees F TOO...

Страница 32: ...erates at the set speed by FAN SPEED CONTROL button Followings are the fan speed in AUTO Initial temperature difference Room temperature minus set temperature 4 degrees or more Hi Room temperature minus set temperature 2 degree or more and less than 4 degrees Me Room temperature minus set temperature less than 2 degree Lo DRY mode of I FEEL CONTROL The system for dry operation uses the same refrig...

Страница 33: ...and when the fan speed is changed by the remote controller the fan speed is the set speed When the indoor coil temperature is less than 99 F the fan speed is controlled by time as below Time condition Indoor fan speed less than 2 minutes Lo 2 minutes to 4 minutes Me 4 minutes or more Hi The upper limit of the fan speed is the set speed If the thermostat turns off this operation changes to flow sof...

Страница 34: ...e high pressure protection 4 minutes and 15 seconds have elapsed 2 Defrost terminating conditions When the condition d or e is satisfied the defrosting operation stops d The defrost thermistor RT61 reads 38 F or more e The defrosting time exceeds 10 minutes 2 High pressure protection During heating operation the outdoor fan motor is controlled by the indoor coil thermistor RT12 temperature for exc...

Страница 35: ...ermistor reads 64 F or less the indoor fan stops 3 Defrost time chart Defrost thermistor 38 F or more RT61 27 F or less Outdoor 52C relay Compressor X62 Solenoid coil SR61 Outdoor fan Defrost counter Indoor fan Indoor vane ON OFF ON OFF ON OFF ON OFF ON OFF Horizontal set position Max 10 min 30 sec 15 sec 30 sec 15 sec VLo ...

Страница 36: ...ions are same as DRY mode of I FEEL CONTROL 4 DRY operation will not functions when the room temperature is 55 F or below 5 When DRY operation functions the fan speed is lower than cool operation 9 4 HEAT OPERATION 1 Press OPERATE STOP button OPERATION INDICATOR on the indoor unit turns on with a beep tone 2 Select HEAT mode 3 Press TEMPERATURES button TOO WARM or TOO COOL button to select the des...

Страница 37: ...otational frequency with the target rotational frequency Hi Me Lo the microprocessor controls SR11 and adjusts fan motor electric current to make the current rotational frequency close to the target rotational frequency With this control when the fan speed is switched the rotational frequency changes smoothly 2 Fan motor lock up protection When the rotational frequency feedback signal has not outp...

Страница 38: ...utomatically changes to Angle 1 for dew prevention 6 SWING MODE By pressing the SWING button vane swings vertically The remote controller displays SWING mode is cancelled when the SWING button is pressed or the operation stops or changes to other mode 7 Cold air prevention in HEAT mode When either of the following conditions occurs in HEAT mode the horizontal vane angle changes to Angle 1 automati...

Страница 39: ...e 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 CONTROL buttons S...

Страница 40: ...the timer is reset to normal After 30 minutes of test run operation the system shifts to EMERGENCY COOL HEAT MODE with a set temperature of 75 F The fan shifts to Me speed This operation continues until the EMERGENCY OPERATION switch is pressed or a button on the remote controller is pressed then normal operation will start The coil frost prevention circuit operates in this operation and defrostin...

Страница 41: ...es not restart until the OPERATE STOP ON OFF button on the remote controller is pressed 4 TIMER SHORT MODE For service set time can be shortened by short circuit of JPG and JPS on the electronics control P C board The time will be shortened as follows 3 minute delay 3 minute 3 second AUTO START 1 hour 1 minutes AUTO STOP 1 hour 1 minutes Short the connector during the timer mode SERVICE FUNCTIONS ...

Страница 42: ...d time indoor unit accepts the remote controller of the initial setting number At setting error turn the power supply off to cancel the individual operation and then turn the power supply on to restart the setting 5 P C BOARD MODIFICATION FOR INDIVIDUAL OPERATION A maximum of 4 indoor units with wireless remote controllers can be used in a room In this case to operate each indoor unit individually...

Страница 43: ...ndicate an abnormality To make sure check the how many times abnormality indication is flashing on and off before starting service work 2 If the P C board is supposed to be defective check the copper foil pattern for disconnection and the components for bursting and discoloration 3 When troubleshooting refer to the flow chart on page 44 and the check table on page 45 11 1 4 How to replace batterie...

Страница 44: ...Indoor unit 2 time Room tempera ture Indoor coil thermistor trouble MSH09NW only 3 time Indoor fan motor trouble Refer to How to check mis wiring and sig nal error when outdoor unit doesn t work on page 50 1 6 time flash 2 5 second OFF Cause outdoor unit 6 time Replace the out door thermistor E D B Check room temperature thermistor Refer to Test point diagram and volt age on page 51 and 52 Refer t...

Страница 45: ...turning on When serial signal from out door unit stops for 4 to 5 sec onds Detects Indoor coil room tem perature thermistor short or open circuit every 2 seconds during operation When rotational frequency feedback signal is not emit during 12 second indoor fan operation When the outdoor thermistor shorts or opens after the com pressor start up Check point Check wiring visual sheck and conductiv it...

Страница 46: ...17 NN RED ORN BLU BLK WHT YLW BRN F 09NW RED BLK WHT P Normal 8kΩ 20kΩ Abnormal Opened or short circuited Normal 09NW 0 86 1 06Ω 1 9 2 4Ω 1 9 2 4Ω 1 4 1 9Ω 2 4 3 0Ω 12NN 15NN C R C S Normal 09NW Abnormal Opened or short circuited 76 83 Ω WHT BLK BLK RED BRN YLW YLW GRY Normal 09NW 4 5 5 5V Abnormal Remain 0V or 5V When fan revolved one time 0V 5V 0V Approx Normal Abnormal Opened or short circuited...

Страница 47: ...o 2 and No 3 09NW Are lead wires connected Reconnect the lead wires Is soldered point normal Replace the indoor electronic con trol P C board Resolder it Is resistance 0 short circuit or open circuit Yes 0 or No others Yes No Yes No No 1 and No 4 and then No 3 and No 4 12 15 17NN 12 15 17NN 09NW Insert screwdriver into air outlet to rotate indoor fan motor slowly for 1 revolution or over and measu...

Страница 48: ...f Operate ON OFF with remote controller and emits a beep tone Replace remote controller Re install the unit away from lights Attach a filter on receiving part Check the model name of 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 OK No not c...

Страница 49: ...fuse F11 blown L1 N Terminal block CN201 1 1 4 4 09NW 12 15 17NN 1 1 CN201 Be sure to check both fuse and varistor in any case 4 4 L N Terminal block Check of outdoor unit D Compressor and outdoor fan do not operate Only indoor fan operates Start Press EMERGENCY ON OFF button 3 minute time delay works Test mode operates for 30 minutes Check voltage to terminal block of outdoor unit Is there AC115V...

Страница 50: ...e the checking mode on remote con troller by pressing Reset button and then send the unit signal to stop operation Turn off power supply to indoor outdoor units Get indoor terminal blocks of 1 1 and 3 3 open and reconnect in out wiring Power voltage of terminal blocks of indoor outdoor units is normal Normal operation starts 3 minutes after power supply is turned on Operation Indicator lamp on the...

Страница 51: ... P C board CN201 No 1 Varistor NR11 Fuse AC250V 3 0A Room temperature thermistor RT11 Indoor coil thermistor RT12 Timer short mode point 32 F 50 68 86 104 122 140 Room temperature thermistor RT11 Indoor coil thermistor RT12 JPS JPG CN201 No 1 Power supply input AC115V ...

Страница 52: ...er supply input AC115V DC5V Indoor coil thermistor RT12 Time short mode point Room temperature thermistor RT11 DC12V 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 VLo Me Lo Hi Fan motor power supply JP17 JP16 JP24 JP11 CN112 JPG JPS CN111 ...

Страница 53: ...DEICER P C BOARD Fuse 2A 250V Defrost interval time short pin J8 J7 DC5V Defrost termination temperature change Jumper wire JPC and JPE 52C DC12V DC12V Outdoor fan motor AC115V MUH09 AC208 230V MUH12 15 17 Solenoid coil AC115V MUH09 AC208 230V MUH12 15 17 INPUT AC115V MUH09 AC208 230V MUH12 15 17 ...

Страница 54: ...eed AUTO or set AUTO or set speed links with 52C con tactor AUTO or set speed VLo speed NOTE When the compressor is OFF 3 minute time delay circuit operates COIL FROST PREVENTION mode are as follows MODE THERMOSTAT 52C CONTACTOR INDOOR FAN RELAY COOL COOL mode of I FEEL CONTROL DRY DRY mode of I FEEL CONTROL ON Off for 5 min After that OFF is pro longed until indoor coil thermistor reads terminati...

Страница 55: ...5 Disconnect the room temperature thermistor and the con nector from the indoor coil thermistor 6 Remove the screw of the ground wire 7 Remove the electronic control P C board and the display P C board 12 1 MSH09NW INDOOR UNIT NOTE On the wiring diagram shows the terminals with a lock mechanism so it cannot be removed when you pull the lead wire Be sure to pull the wire by pushing the locking leve...

Страница 56: ...rew 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 fixture of the fan motor 6 ...

Страница 57: ...f the electrical cover Remove the electrical cover 3 Remove the terminal cover Remove the screw of the terminal block 4 Unhook the catch of the lamp holder 5 Remove the receiver holder 6 Disconnect the connectors on the electronic control P C board and remove the ground and the indoor coil ther mistor 7 Remove the electronic P C board 12 2 MSH12NN MSH15NN MSH17NN INDOOR UNIT Photo 2 Photo 1 Front ...

Страница 58: ...es both upper and lower remove the electrical box 6 Unhook the catch on the both sides of the nozzle assembly 7 Remove the nozzle assembly 8 Remove the screws of the bearing support 9 Remove the screw of the heat exchanger and unhook the catch 10 Lifting the heat exchanger remove the bearing support 11 Remove the motor support 12 Loose the screw securing the line flow fan remove the line flow fan ...

Страница 59: ...oose the propeller fan in the rotating direction for removal When attaching the propeller fan align the mark on the propeller fan and the motor shaft cut section Set the fan in position by using the cut on the shaft and the mark on the fan 4 Remove lead clamps and disconnect the outdoor fan motor lead wires 5 Remove screws securing the fan motor 6 Remove the outdoor fan motor 12 3 MUH09NW OUTDOOR ...

Страница 60: ...he overcurrent relay 7 Remove the compressor nuts 8 Detach the suction pipe welded section and discharge pipe welded section with a burner NOTE Before using a torch rechin gas from the pipes until the pres sure gauge shows 0 PSIG Use the burner under the condition that gas can be released even when the inner pressure rises by heat Reclain all refrigerant in an environmentally acceptable man ner Ph...

Страница 61: ...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 connector Terminal block 12 4 MUH12NN MUH15NN OUTDOOR UNIT Photo 1 Photo 3 Photo 2 Screws Screws Service panel Terminal block Connector Compressor capacitor Screw Screw ...

Страница 62: ...sor 3 Disconnect lead wires from the glass terminal of the com pressor Refer to 2 4 Release gas from the refrigerant circuit 5 Disconnect the welded part of the discharge pipe 6 Disconnect the welded part of the suction pipe 7 Remove nuts securing the compressor 8 Remove the compressor NOTE Reclaim all refrigerant in an environmentally acceptable man ner Photo 5 Compressor fan Discharge pipe Sucti...

Страница 63: ...lling towards you 2 Removing the outdoor fan motor 1 Remove the front panel 3 screws Open the panel to a 45 degree angle and lift to remove The panel is clasped at three points on the left side 2 Remove the propeller fan 1 set nut 3 Remove the fan motor 3 screws Remove the lead connectors 12 5 MUH17NN OUTDOOR UNIT Photo 1 Outdoor controller board Transformer Capacitor Contactor Terminal block Scre...

Страница 64: ...late 4 screws 5 Remove the motor support 2 screws 6 Remove the valve bed 5 screws The valve bed is clasped on the right and left sides Lift to remove 7 Remove the electrical parts box Remove the respective connectors from highpressure switch crank case heater shell thermo and fan motor lead 8 Remove the separator 2 screws 9 Remove the heat exchanger 2 screws Disconnect the welded section of pipe 1...

Страница 65: ...2 1PC SET 2PCS SET Remarks Part No NO Part Name MSH09NW WH E02 289 000 E02 151 010 E02 164 100 E02 166 234 E02 151 970 E02 166 067 Optional parts See page 74 2 6 1 3 4 5 INDOOR UNIT HEAT EXCHANGER MSH09NW WH 1 2 3 INDOOR HEAT EXCHANGER UNION GAS UNION LIQUID Symbol in Wiring Diagram Q ty unit 1 1 1 3 8 1 4 Remarks Part No NO Part Name MSH09NW WH E02 155 620 E02 155 666 E02 151 667 1 2 3 ...

Страница 66: ...ZZLE WH VANE WH DRAIN HOSE VANE MOTOR INDOOR FAN MOTOR RUBBER MOUNT LINE FLOW FAN BEARING MOUNT ROOM TEMPERATURE THERMISTOR INDOOR COIL THERMISTOR TERMINAL BLOCK ELECTRONIC CONTROL P C BOARD AUTO RESTART FUSE SLEEVE BEARING RECEIVER VARISTOR Symbol in Wiring Diagram Q ty unit 1 1 1 1 1 2 1 1 1 1 1 1 1 1 1 1 1 FAN GUARD 2PCS SET 250V3A Remarks Part No NO Part Name MV MF RT11 RT12 TB F11 NR11 MSH09N...

Страница 67: ...ICE PANEL OUTDOOR HEAT EXCHANGER COMPRESSOR COMPRESSOR RUBBER SET BASE STOP VALVE LIQUID STOP VALVE GAS MOTOR SUPPORT CAPILLARY TUBE CAPILLARY TUBE CAPILLARY TUBE OUTDOOR FAN CAPACITOR REVERSING VALVE Symbol in Wiring Diagram Q ty unit 1 1 1 1 1 1 1 1 1 1 1 1 2 1 1 1 RH 140WGJT 2RUBBER 3SPRING 1 4 3 8 0 12 0 063 35 7 16 0 12 0 55 11 13 16 0 12 0 063 19 11 16 5 0 250VAC Remarks Part No NO Part Name...

Страница 68: ...1 E02 289 490 1 2 3 4 5 6 7 PROPELLER FAN OUTDOOR FAN MOTOR COMPRESSOR CAPACITOR TERMINAL BLOCK DEFROST THERMISTOR DEICER P C BOARD SOLENOID COIL Symbol in Wiring Diagram Q ty unit 1 1 1 1 1 1 1 70 220VAC Remarks Part No NO Part Name MF C1 TB RT61 21S4 MUH09NW Part number that are circled is not shown in the illustration 1 2 3 5 6 4 ...

Страница 69: ...2 1 3 1 MSH15NN WH E02 282 000 E02 283 000 E02 284 000 E02 138 010 E02 143 234 E02 141 100 E02 141 970 E02 143 067 E02 282 007 E02 283 007 E02 284 007 MSH17NN WH 1 1 1 2 1 3 1 Part number that are circled is not shown in the illustration Optional parts See page 74 1 2 5 3 4 6 INDOOR UNIT HEAT EXCHANGER PARTS MSH12NN WH MSH15NN WH MSH17NN WH E02 141 620 E02 138 667 E02 138 666 1 2 3 INDOOR HEAT EXC...

Страница 70: ...T AUTO RESTART ELECTRONIC CONTROL P C BOARD ELECTRONIC CONTROL P C BOARD ELECTRONIC CONTROL P C BOARD FUSE LINE FLOW FAN VANE MOTOR DISPLAY P C BOARD BEARING MOUNT TERMINAL BLOCK RECEIVER P C BOARD SLEEVE BEARING INDOOR COIL THERMISTOR ROOM TEMPERATURE THERMISTOR VARISTOR Symbol in Wiring Diagram Q ty unit 1 1 1 1 2 1 1 1 1 1 1 1 1 1 1 1 1 1 FAN GUARD 2PCS SET 250V 3A Remarks Part No NO Part Name ...

Страница 71: ...SSOR BASE OUTDOOR FAN MOTOR PROPELLER FAN COMPRESSOR CAPACITOR COMPRESSOR CONTACTOR TERMINAL BLOCK CAPILLARY TUBE CAPILLARY TUBE CAPILLARY TUBE CAPILLARY TUBE COMPRESSOR RUBBER SET STOP VALVE LIQUID STOP VALVE GAS BACK PANEL DEICER P C BOARD DEFROST THERMISTOR SOLENOID COIL REVERSING VALVE Symbol in Wiring Diagram Q ty unit 1 1 1 1 1 1 1 1 1 1 1 1 1 2 1 3 1 1 1 1 1 1 1 RH 207NHDT RH 185NHDT 30 370...

Страница 72: ...72 1 3 8 11 4 2 13 14 6 7 9 10 17 19 20 15 16 5 OUTDOOR UNIT STRUCTURAL PARTS MUH17NN 18 21 ...

Страница 73: ...GAS MOTOR SUPPORT CAPILLARY TUBE CAPILLARY TUBE 0 12 0 079 9 13 16 PROPELLER FAN OUTDOOR FAN MOTOR COMPRESSOR CAPACITOR TERMINAL BLOCK DEFROST THERMISTOR DEICER P C BOARD SOLENOID COIL REVERSING VALVE COMPRESSOR CONTACTOR Symbol in Wiring Diagram Q ty unit 1 1 1 1 1 1 3 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 RH 231NHDT 3RUBBER 1 4 3 8 0 12 0 079 27 9 16 0 12 0 079 19 11 16 35 370VAC Remarks Part No NO Part...

Страница 74: ...d then wash and rinse it Dry the filter in the shade thoroughly When the filter color is still 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 Part No Model MAC 1000FT MSH09NW Part No Model MAC 1500DF MSH09NW MAC 1600DF MSH12NN MSH15NN MSH17NN MAC 1100FT MSH12NN MSH15NN MSH1...

Страница 75: ......

Страница 76: ...Issued in Jul 1997 No OB198 5042 New publication effective Jul 1997 Specifications subject to change without notice C C Copyright 1997 MITSUBISHI ELECTRIC ENGINIEERING CO LTD ...

Страница 77: ...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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