Mitsubishi Electric MSZ-FH09NA Скачать руководство пользователя страница 6 | Manualshive

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Unit: inch

MSZ-FH09NA MSZ-FH12NA MSZ-FH15NA

OUTLINES AND DIMENSIONS

4

OBH683B

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Содержание MSZ-FH09NA

Страница 1: ... 20 10 DISASSEMBLY INSTRUCTIONS 32 SERVICE MANUAL INDOOR UNIT PARTS CATALOG OBB683 NOTE RoHS compliant products have G mark on the spec name plate Models MSZ FH09NA MSZ FH12NA MSZ FH15NA No OBH683 REVISED EDITION B Outdoor unit service manual MUZ FH NA H Series OBH684 SPLIT TYPE AIR CONDITIONERS Please void OBH683 REVISED EDITION A Revision B 4 OUTLINE AND DIMENSIONS has been modified Some descrip...

Страница 2: ... We will not be held responsible for mechanical failure system malfunction unit breakdown or accidents caused by failure to follow the instructions Revision A 3 SPECIFICATION has been modified The value of the disconnect switch for MSZ FH15NA has been modified 8 MICROPROCESSOR CONTROL has been modified 9 TROUBLESHOOTING has been modified Revision B 4 OUTLINE AND DIMENSIONS has been modified The le...

Страница 3: ...3 TECHNICAL CHANGES 1 MSZ FH09NA MSZ FH12NA MSZ FH15NA 1 New model OBH683B ...

Страница 4: ...or the remote controller 2 Wireless remote controller 1 Felt tape For left or left rear piping 1 Air cleaning filter Electrostatic anti allergy enzyme filter 1 Air cleaning filter Deodorizing filter 1 Operation indicator lamp Remote control receiving section Emergency operation switch Horizontal vane Air inlet Air filter Nano platinum filter Air cleaning filter Electrostatic anti allergy enzyme fi...

Страница 5: ...0 3 2 OUTLET AIR SPEED AND COVERAGE The air coverage is the figure up to the position where the air speed is 1 ft s when air is blown out horizontally from the unit properly at the High speed position The coverage should be used only as a general guideline since it varies according to the size of the room and furniture arranged inside the room 2 OPERATION Mode Condition Intake air temperature F In...

Страница 6: ...6 Unit inch MSZ FH09NA MSZ FH12NA MSZ FH15NA OUTLINES AND DIMENSIONS 4 OBH683B ...

Страница 7: ...7 MSZ FH09NA MSZ FH12NA MSZ FH15NA WIRING DIAGRAM 5 OBH683B ...

Страница 8: ...3 sub Refrigerant flow in cooling Refrigerant flow in heating Unit inch REFRIGERANT SYSTEM DIAGRAM 6 MSZ FH09NA MSZ FH12NA Indoor heat exchanger Flared connection Room temperature thermistor RT11 Flared connection Refrigerant pipe ø1 2 with heat insulator Refrigerant pipe ø1 4 with heat insulator Indoor coil thermistor RT12 main Indoor coil thermistor RT13 sub Refrigerant flow in cooling Refrigera...

Страница 9: ...r you turn the breaker ON the remote controller that first sends a signal to an indoor unit will be regarded as the remote controller for the indoor unit Once they are set the indoor unit will only receive the signal from the assigned remote controller afterwards SERVICE FUNCTIONS 7 MSZ FH09NA MSZ FH12NA MSZ FH15NA 7 3 SETTING THE INSTALLATION POSITION Be sure to set the remote controller accordin...

Страница 10: ...d when 10 seconds have passed after the indoor unit was operated with the remote controller If main power is turned OFF or a power failure occurs while AUTO START STOP timer is active the timer setting is can celled If the unit has been off with the remote controller before power failure the auto restart function does not work as the power button of the remote controller is OFF To prevent breaker ...

Страница 11: ... CLOCK button Lid Slide the lid down to open the remote controller Slide it down further to get to the weekly timer buttons WEEKLY TIMER set buttons TIME TIMER set buttons FORWARD button BACKWARD button RESET button SMART SET button NATURAL FLOW button SENSOR i see button VANE CONTROL button WIDE VANE button INDOOR UNIT DISPLAY SECTION Operation Indicator lamp The operation indicator at the right ...

Страница 12: ... controlled by the temperature of the indoor heat exchanger to prevent the con densing pressure from increasing excessively When the temperature of indoor heat exchanger becomes too high the high pressure protection works The indoor fan operates following the cold air prevention control This mode continues until the temperature of indoor heat exchanger falls 3 Defrosting Defrosting starts when the...

Страница 13: ...5 minutes have passed with the room temperature 2 F 1 C below the set temperature HEAT mode changes to COOL mode when about 15 minutes have passed with the room temperature 2 F 1 C above the set temperature 8 6 AUTO VANE OPERATION 1 Horizontal vane 1 Vane motor drive These models are equipped with a stepping motors for the horizontal vanes The rotating direction speed and angle of the motor are co...

Страница 14: ...UL button is pressed once again within 15 minutes after operation starts The operation mode returns to the mode prior to POWERFUL operation POWERFUL mode also is cancelled when the OPERATE STOP ON OFF ECONO COOL FAN SPEED CONTROL NATURAL FLOW or SMART SET button is pressed within 15 minutes after operation starts or operation mode is changed Horizontal position 4 In COOL and DRY operation Vane ang...

Страница 15: ...t setting the current time Initially 12 00 AM blinks at the current time display of TIME MONITOR so set the current time correctly with CLOCK button How to set the current time a Press the CLOCK button b Press the TIME SET buttons and to set the current time Each time FORWARD button is pressed the set time increases by 1 minute and each time BACKWARD button is pressed the set time decreases by 1 m...

Страница 16: ...in after the simple ON OFF timer is complete When the weekly timer is set temperature can not be set to 50 F 10 C The weekly timer operation and SMART SET operation cannot be used together Example 1 The current time is 8 00 PM The unit turns off at 11 00 PM and on at 6 00 AM OFF timer and ON timer can be used in combination The set time that is reached first will operate first and display shows th...

Страница 17: ...lected All days can be selected 1 How to set the weekly timer Press and buttons to continue setting the timer for other days and or numbers NOTE Press button to transmit the setting information of weekly timer to the indoor unit Point the remote controller toward the indoor unit for 3 seconds When setting the timer for more than one day of the week or one number button does not have to be pressed ...

Страница 18: ...on automatically changes the operation to energy saving operation when nobody is in the room 1 To activate this function press SENSOR button until appears on the operation display of the remote controller during the i see control mode 2 Press SENSOR button again to release ABSENCE DETECTION 2 Checking weekly timer setting 2 Checking weekly timer setting 1 Press button to enter the weekly timer set...

Страница 19: ...8 13 EMERGENCY TEST OPERATION In the case of test run operation or emergency operation use EMERGENCY OPERATION switch on the right side of the indoor unit Emergency operation is available when the remote controller is missing or has failed or when the batteries in the remote controller are running down The unit will start and OPERATION INDICATOR lamp will light up The first 30 minutes of operation...

Страница 20: ...tarting serv ice work 2 Before servicing check that the connector and terminal are connected properly 3 When the electronic control P C board seems to be defective check the copper foil pattern for disconnection and the components for bursting and discoloration 4 When troubleshooting Refer to 9 2 9 3 and 9 4 4 How to replace batteries Weak batteries may cause the remote controller malfunction In t...

Страница 21: ...ailure mode recall function mentioned above Press OPERATE STOP ON OFF button of the remote controller the set temperature is displayed with the remote controller headed towards the indoor unit Press EMERGENCY OPERATION switch so that the memorized abnormal condition is deleted Release the failure mode recall function according to Releasing the failure mode recall function mentioned above Yes Blink...

Страница 22: ... emitted for 12 seconds after the indoor fan motor is operated Refer to 9 6 Check of indoor fan motor 12 time flash 2 5 second OFF Indoor control system It cannot properly read data in the nonvolatile memory of the indoor electronic control P C board Replace the indoor electronic control P C board NOTE Blinking patterns of this mode differ from the ones of TROUBLESHOOTING CHECK TABLE 9 4 3 Operati...

Страница 23: ...lash on and off at 0 5 sec ond intervals Cause Indoor Outdoor unit Miswiring or trouble of serial signal LEFT lamp 2 time flash Cause Indoor unit Trouble of room temperature indoor coil thermistor LEFT lamp 3 time flash Cause Indoor unit Trouble of indoor fan motor LEFT lamp 4 time flash Cause Indoor unit Trouble of indoor unit control system LEFT lamp 5 time flash Cause Outdoor unit Outdoor power...

Страница 24: ...the indoor electronic control P C board 5 Outdoor power sys tem LEFT lamp flashes 5 time flash 2 5 second OFF It consecutively occurs 3 times that the com pressor stops for overcurrent protection or start up failure protection within 1 minute after start up Refer to How to check of in verter compressor Refer to outdoor unit service manual Check the stop valve 6 Outdoor thermistors LEFT lamp flashe...

Страница 25: ... fan motor Vane motor MV1 HORIZONTAL Measure the resistance between the terminals with a tester Temperature 50 86 F 10 30 C Color of the lead wire Normal RED SKY 262 328 Ω Vane motor MV2 VERTICAL Measure the resistance between the terminals with a tester Temperature 50 86 F 10 30 C Color of the lead wire Normal RED SKY 219 273 Ω i see SENSOR MOTOR MT Measure the resistance between the terminals wi...

Страница 26: ...essed the voltage measured at 2 above goes 0 VDC although the indoor P C board is normal Does the voltage between CN211 and on the power P C board rise to the range of 3 to 6 VDC within 12 seconds after EMERGENCY OPERATION switch is pressed Replace the indoor fan motor Yes No The indoor fan motor error has occurred and the indoor fan repeats 12 second ON and 30 second OFF 3 times and then stops Me...

Страница 27: ...controller Refer to 7 2 Check if the unit operates with the remote controller Does the unit operate with the remote controller Yes No OK Measure the voltage between receiver P C board connector CN301 No 1 and No 3 when the remote controller button is pressed Is the voltage approximately 4 VDC 5 VDC No Yes Replace the indoor electronic control P C board 1 Look at the image of the signal transmittin...

Страница 28: ...oard No No Replace the indoor power P C board and the indoor fan motor Replace the indoor electronic control P C board Measure the resistance of the vane motor coil Refer to 9 5 Short circuit Replace the vane motor and the indoor electronic control P C board 1 The fan motor connector s lead wire is red whereas is black 2 Connect of the tester to fan motor connector s lead wire and to lead wire oth...

Страница 29: ...er P C board repeat 3 6 second OFF and 0 8 second ON quick blinking 3 Yes No Lighted or not lighted Replace the inverter P C board 2 2 Be careful of the residual voltage of smoothing capacitor Is there amplitude of 10 to 20 VDC between the indoor terminal block S2 and S3 Confirmation of serial signal Yes Check the wiring If there are any errors of the indoor outdoor connecting wire such as the dam...

Страница 30: ...d strength or the installation condition combination of specific conditions such as antennas or wiring Check the following before asking for service 1 Devices affected by the electromagnetic noise TV sets radios FM AM broadcast shortwave 2 Channel frequency broadcast station affected by the electromagnetic noise 3 Channel frequency broadcast station unaffected by the electromagnetic noise 4 Layout...

Страница 31: ...r to 7 4 Emergency operation switch E O SW SW1 Connector to indoor power P C board CN102 Indoor coil thermistor RT12 RT13 CN112 Indoor power P C board Indoor electronic control P C board Receiver board Display board Switch board MSZ FH09NA MSZ FH12NA MSZ FH15NA 9 7 TEST POINT DIAGRAM AND VOLTAGE 5 VDC 5 VDC i see SENSOR MOTOR MT i see SENSOR pin pin pin pin CN110 Vane motor MV1 horizontal Vane mot...

Страница 32: ...ocking mechanism Slide the sleeve Pull the terminal while pushing the locking lever Hold the sleeve and pull out the terminal slowly Connector Sleeve Locking lever Terminal with locking mechanism Detaching points The terminal which has the locking mechanism can be detached as shown below There are two types Refer to 1 and 2 of the terminal with locking mechanism The terminal without locking mechan...

Страница 33: ...r connecting wire 8 Remove the ground wire connected to the indoor heat exchanger from the electrical box 9 Remove the screw fixing the electrical box then the upper catch of the electrical box and pull out the electrical box When installing the electrical box pass the lead wire from the fan motor through Photo 10 and Photo 4 so that it will not be pinched under the electrical box Photo 3 Photo 4 ...

Страница 34: ...02 To the indoor electronic control P C board 5 Remove the lead wire holder 6 Remove the indoor power P C board 7 Disconnect the following connectors Indoor electronic control P C board CN111 Room temperature thermistor CN112 Indoor coil thermistor 8 Unhook the catches of the DISPLAY AND i see SENSOR ASSEMBLY from the electrical box right side 9 Unhook the catch of the rear cover of the DISPLAY AN...

Страница 35: ...l vane motor unit and pull out the vertical vane motor unit 3 Remove the screws of the vertical vane motor unit cover 4 Disconnect the connector from the vertical vane motor 5 Remove the vertical vane motor from the vertical motor unit cover 6 Removing the horizontal vane motor 1 Remove the nozzle assembly Refer to 4 2 Remove the screws of the horizontal vane motor unit and pull out the horizontal...

Страница 36: ... and the motor band 7 Release the hooks of the motor band and remove the motor band Pull out the indoor fan motor 8 Remove the indoor coil thermistor from the heat exchanger Install the indoor coil thermistor in its former position when assembling it Photo 10 9 Remove the screws fixing the left side and the upper right side of the heat exchanger 10 Lift the heat exchanger and pull out the line flo...

Страница 37: ...ked position Do not pull the lead wire when removing the indoor coil thermistor Holder shape Clip shape When fixing the indoor coil thermistor to the clip shape holder shape part the lead wire should point down 1 Set the indoor coil thermistor in the center of the clip shape part 2 Check the marked mounting position 3 Mount the clip shape part Position and procedure for mounting the clip shape par...

Страница 38: ...ght 2014 MITSUBISHI ELECTRIC CORPORATION Distributed in Jul 2014 No OBH683 REVISED EDITION B Distributed in Apr 2014 No OBH683 REVISED EDITION A Distributed in Feb 2014 No OBH683 Made in Japan New publication effective Jul 2014 Specifications are subject to change without notice ...

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