Mitsubishi Electric Mr. Slim MSZ-GE06NA-8 Service Manual Download Page 3

Page: 3 / 48

MSZ-GE06NA MSZ-GE09NA MSZ-GE12NA MSZ-GE15NA MSZ-GE18NA
MSY-GE09NA MSY-GE12NA MSY-GE15NA MSY-GE18NA

Remote controller

Operation indicator lamp

Remote control receiving section

Emergency operation switch (E.O. SW)

Horizontal vane

Air outlet

Air

¿ lter

[Catechin air

¿ lter (GENA) ]

Air inlet

Heat exchanger

Front panel

Air cleaning

¿ lter

(Anti-Allergy Enzyme
Filter)

[Nano platinum

¿ lter (GENA-

8 ,

)]

Display section

PART NAMES AND FUNCTIONS

ACCESSORIES

Installation plate

xing screw 4 × 25 mm

Remote controller holder

Fixing screw for 3.5 × 16 mm (Black)

Battery (AAA) for remote controller

Wireless remote controller

Felt tape (Used for left or left-rear piping)

OBH548D

Summary of Contents for Mr. Slim MSZ-GE06NA-8

Page 1: ...anual MUZ GE NA MUY GE NA Series OBH549 MXZ B NA Series OB444 NOTE RoHS compliant products have G mark on the spec name plate PARTS CATALOG OBB548 Revision D MSZ GE06 09 12 15 18NA 9 and MSY GE09 12 15 18NA 9 have been added Please void OBH548 REVISED EDITION C MSZ GE06NA MSZ GE09NA MSZ GE12NA MSZ GE15NA MSZ GE18NA MSZ GE24NA MSY GE09NA MSY GE12NA MSY GE15NA MSY GE18NA MSY GE24NA Models MSZ GE06 0...

Page 2: ...m malfunction unit breakdown or accidents caused by failure to follow the instructions MSZ GE06NA MSZ GE06NA 8 MSZ GE09NA MSZ GE09NA 8 MSZ GE12NA MSZ GE12NA 8 MSZ GE15NA MSZ GE15NA 8 MSZ GE18NA MSZ GE18NA 8 MSY GE09NA MSY GE09NA 8 MSY GE12NA MSY GE12NA 8 MSY GE15NA MSY GE15NA 8 MSY GE18NA MSY GE18NA 8 1 These models have been modified to be compatible with Honeywell remote controller 2 Indoor elec...

Page 3: ...ir lter Catechin air lter GE NA Air inlet Heat exchanger Front panel Air cleaning lter Anti Allergy Enzyme Filter Nano platinum lter GE NA 8 9 Display section 2 PART NAMES AND FUNCTIONS ACCESSORIES Installation plate 1 Installation plate fixing screw 4 25 mm 5 Remote controller holder 1 Fixing screw for 3 5 16 mm Black 2 Battery AAA for remote controller 2 Wireless remote controller 1 Felt tape Us...

Page 4: ...ilter Air outlet Horizontal vane Heat exchanger MSZ GE24NA MSY GE24NA ACCESSORIES Installation plate 1 Installation plate fixing screw 4 25 mm 7 Remote controller holder 1 Fixing screw for 3 5 16 mm Black 2 Battery AAA for remote controller 2 Wireless remote controller 1 Felt tape Used for left or left rear piping 1 Air cleaning filter 2 OBH548D ...

Page 5: ...NA MSZ GE24NA MSY GE24NA Power supply V phase Hz 208 230 1 60 Max fuse size time delay Disconnect switch A 15 20 Min circuit ampacity A 1 0 Fan motor F L A 0 76 Airflow Super High High Med Low Quiet GE15 18 Powerful High Med Low GE24 COOL Dry Wet CFM 533 420 335 272 205 498 385 300 237 170 533 420 339 275 230 498 385 304 240 194 738 628 469 388 661 562 420 347 HEAT Dry CFM 463 367 304 247 205 512 ...

Page 6: ...70 60 47 43 Maximum temperature 80 67 75 65 Minimum temperature 70 60 4 5 3 1 OPERATING RANGE 1 POWER SUPPLY Rated voltage Guaranteed voltage V Indoor unit 208 230 V 1 phase 60 Hz Min 187 208 230 Max 253 Model Mode Function Airflow CFM Air speed ft s Coverage ft MSZ GE06NA HEAT Dry 406 20 6 29 5 COOL Dry 321 16 3 23 5 Wet 286 14 5 21 0 MSZ GE09NA MSY GE09NA HEAT Dry 406 20 6 29 5 COOL Dry 321 16 3...

Page 7: ...ion plate Piping Drain hose Piping Insulation ø1 3 8 O D Liquid line ø1 4 19 11 16 Flared connection ø1 4 Gas line ø3 8 16 15 16 Flared connection ø3 8 GE06 09 12NA ø1 2 GE15 18NA Drain hose Insulation ø1 1 8 O D Connected part ø5 8 O D Piping Insulation ø1 3 8 O D Liquid line ø1 4 19 11 16 Flared connection ø1 4 Gas line ø3 8 16 15 16 Flared connection ø3 8 GE06 09 12NA ø1 2 GE15 18NA Drain hose ...

Page 8: ... 5 8 2 1 2 12 13 16 1 8 3 15 16 4 7 8 6 5 16 4 5 16 70 9 3 8 3 16 8 1 4 27 32 7 1 4 1 2 Piping Insulation Ø2 O D Liquid line Ø3 8 19 11 16 Flared connection Ø3 8 Gas line Ø1 2 16 15 16 Flared connection Ø5 8 Drain hose Insulation Ø1 1 8 Connected part Ø5 8 O D Air out Piping Drain hose 7 16 1 Oblong hole 7 16 3 4 Oblong hole Installation plate Indoor unit Wall hole Ø3 Air in Installation plate 3 4...

Page 9: ...9NA MSZ GE12NA MSZ GE15NA MSZ GE18NA MSY GE09NA MSY GE12NA MSY GE15NA MSY GE18NA 5 WIRING DIAGRAM MSZ GE06NA 8 MSZ GE09NA 8 MSZ GE12NA 8 MSZ GE15NA 8 MSZ GE18NA 8 MSY GE09NA 8 MSY GE12NA 8 MSY GE15NA 8 MSY GE18NA 8 OBH548D ...

Page 10: ...10 MSZ GE06NA 9 MSZ GE09NA 9 MSZ GE12NA 9 MSZ GE15NA 9 MSZ GE18NA 9 MSY GE09NA 9 MSY GE12NA 9 MSY GE15NA 9 MSY GE18NA 9 MSZ GE24NA MSY GE24NA OBH548D ...

Page 11: ...rigerant pipe ø1 4 with heat insulator Indoor coil thermistor RT12 main Indoor coil thermistor RT13 sub Refrigerant flow in cooling Refrigerant flow in heating 6 REFRIGERANT SYSTEM DIAGRAM MSZ GE24NA MSY GE24NA Indoor heat exchanger Flared connection Room temperature thermistor RT11 Flared connection Refrigerant pipe ø5 8 with heat insulator Refrigerant pipe ø3 8 with heat insulator Indoor coil th...

Page 12: ...1 After modification press the RESET button NOTE For modification take out the batteries and press the OPERATE STOP ON OFF button twice or 3 times at first After finish modification put back the batteries then press the RESET button J2 J1 MSZ GE06NA MSZ GE09NA MSZ GE12NA MSZ GE15NA MSZ GE18NA MSZ GE24NA MSY GE09NA MSY GE12NA MSY GE15NA MSY GE18NA MSY GE24NA Table 1 1 unit operation 2 units operati...

Page 13: ... drop or the rush of the starting current by adding to the system that allows the units to start one by one 7 3 AUTO RESTART FUNCTION When the indoor unit is controlled with the remote controller the operation mode the set temperature and the fan speed are memorized by the indoor electronic control P C board AUTO RESTART FUNCTION automatically starts operation in the same mode just before the shut...

Page 14: ...PERATE STOP ON OFF button FAN SPEED CONTROL button OPERATION SELECT button ECONO COOL button Indication of remote controller model is on back 8 MICROPROCESSOR CONTROL E g MSZ type MSZ GE06NA MSZ GE09NA MSZ GE12NA MSZ GE15NA MSZ GE18NA MSY GE09NA MSY GE12NA MSY GE15NA MSY GE18NA MSZ GE24NA MSY GE24NA Signal transmitting section Operation display section Indication of remote controller model is on b...

Page 15: ... 61 88 F 16 31 C 1 Coil frost prevention The compressor operational frequency is controlled by the temperature of the indoor heat exchanger to prevent the coil from frosting When the temperature of indoor heat exchanger becomes too low the coil frost prevention mode works The indoor fan operates at the set speed and the compressor stops This mode continues until the temperature of indoor heat exch...

Page 16: ...Only indoor fan operates Outdoor unit does not operate 8 5 I FEEL CONTROL OPERATION MSY 1 Press OPERATE STOP ON OFF button on the remote controller OPERATION INDICATOR lamp of the indoor unit turns ON with a beep tone 2 Select I FEEL CONTROL mode with OPERATION SELECT button 3 The operation mode is determined by the room temperature at start up of the operation Once the mode is fixed the mode does...

Page 17: ...others for heating the operation mode of the indoor unit that operates first is selected Other indoor units cannot operate and operation indicator lamp flashes as shown in the figure below In this case please set all the indoor units to the same operation mode When indoor unit starts the operation while the defrosting of outdoor unit is being done it takes a few minutes max 10 minutes to blow out ...

Page 18: ...nditioner can keep comfort As a result energy can be saved To cancel this operation select a different mode or press one of the following buttons in ECONO COOL operation ECONO COOL VANE CONTROL or POWERFUL MSZ MSY GE24NA button 10 POWERFUL operation MSZ GE24NA MSY GE24NA The air conditioner automatically adjusts the fan speed and the set temperature and operates the POWERFUL mode The POWERFUL mode...

Page 19: ...mer setting a Press OFF TIMER button during operation b Set the time of the timer using TIME SET buttons and Each time FORWARD button is pressed the set time increases by 10 minutes each time BACKWARD button is pressed the set time decreases by 10 minutes 2 To release the timer To release ON timer press ON TIMER button To release OFF timer press OFF TIMER button TIMER is cancelled and the display ...

Page 20: ... operation This operation is for servicing The indoor fan runs at High speed and the temperature control does not work After 30 minutes of test run operation the system shifts to EMERGENCY COOL HEAT MSZ MODE with a set temperature of 75 F 24 C The fan speed shifts to Med All protective operations such as the coil frost prevention works even in the test run or emergency operation In the test run or...

Page 21: ...sure check how many times the OPERATION INDICATOR lamp is flashing ON and OFF before starting ser vice work 2 Before servicing check that the connector and terminal are connected properly 3 When the 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 batter...

Page 22: ...nit failure mode table Refer to 9 2 2 Make sure to check at least two consecutive blinking cycles 2 Releasing the failure mode recall function Release the failure mode recall function by the following procedures Turn OFF the power supply and turn it ON again Press RESET button of the remote controller The outdoor unit is abnormal Check the blinking pattern and identify the abnormal point by referr...

Page 23: ...f the main indoor coil ther mistor the sub indoor coil thermistor 9 7 3 time flash 2 5 second OFF Serial signal The serial signal from outdoor unit is not re ceived for a maximum of 6 minutes Refer to 9 6 How to check miswiring and serial signal error 11 time flash 2 5 second OFF Indoor fan motor The rotational frequency feedback signal is not emitted for 12 seconds after the indoor fan motor is o...

Page 24: ...Flash ON and OFF at 0 5 second intervals Cause Indoor Outdoor unit Miswiring or trouble of serial signal Upper lamp 2 time flash Cause Indoor unit Trouble of room temperature indoor coil thermistor Upper lamp 3 time flash Cause Indoor unit Trouble of indoor fan motor Upper lamp 4 time flash Cause Indoor unit Trouble of indoor unit control system Upper lamp 5 time flash Cause Outdoor unit Outdoor p...

Page 25: ...the indoor electronic control P C board Replace the indoor electronic control P C board 5 Outdoor power sys tem Upper 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 ...

Page 26: ...A MSY GE24NA Part name Check method and criterion Figure Room temperature thermistor RT11 Indoor coil thermistor RT12 RT13 Measure the resistance with a tester Refer to 9 7 Test point diagram and voltage 2 or 3 Indoor electronic control P C board for the chart of thermistor Indoor fan motor MF Check 9 6 MSZ GE06 09 12 15 18NA MSY GE09 12 15 18NA Vane motor MV Measure the resistance between the ter...

Page 27: ...he indoor P C board is normal Does the voltage between CN211 and on the power P C board rise to the range of 2 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 Measure the voltage between CN211 and while the fan motor is ...

Page 28: ...ure the voltage between CN211 and If more than 12 seconds passes after EMERGENCY OPERATION switch is pressed the voltage measured at 2 above goes 0 V DC although the indoor P C board is normal Does the voltage between CN211 and on the indoor electronic control 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 Th...

Page 29: ... receiving part Measure the voltage between power moni tor receiver SW P C board connector CN20A No 2 and No 3 when the remote controller button is pressed Refer to 9 7 3 Is the voltage approximately 4 VDC No Yes Replace indoor electronic control P C board Replace power monitor receiver SW P C board MSZ GE06 09 12 15 18NA MSY GE09 12 15 18NA 1 Look at the image of the signal transmitting section o...

Page 30: ...oor power P C board No Is the resistance of resistor R111 approxi mately 4 Ω No Replace the indoor power P C board the indoor terminal 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 r...

Page 31: ... the resistance between CN211 and of the indoor fan motor connector Short circuit Replace the indoor fan motor Short circuit Replace the horizontal vane motor and the indoor electronic control P C board Turn OFF the power supply Check both parts side and pattern side of the indoor electronic control P C board visually Replace the varistor NR11 and fuse F11 3 Are the varistor NR11 burnt and the fus...

Page 32: ...ng 3 Yes No Lighted or not lighted Replace the inverter P C board or the outdoor electronic control P C board 2 2 Be careful of the residual voltage of smoothing capacitor Is there amplitude of 10 to 20 VDC between indoor terminal block S2 and S3 Confirmation of serial signal Yes Check the wiring If there are any error of the indoor outdoor connecting wire such as the damage of the wire intermedia...

Page 33: ...ng Bridge the outdoor terminal block S2 and S3 1 B 1 Miswiring may damage indoor electronic control P C board during the operation Be sure to confirm the wiring is correct before the opera tion starts Turn ON the power supply Does the LED on the inverter P C board or the outdoor electronic control P C board repeat 3 6 second OFF and 0 8 second ON quick blinking 3 Yes No Lighted or not lighted Repl...

Page 34: ... strength or the installation condition combination of specific conditions such as antennas or wiring Check the followings 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...

Page 35: ...ltage DC 15 VDC 3 6 VDC 0 6 V Timer short mode point JPG JPS Refer to 7 1 Room temperature thermistor RT11 CN111 Indoor coil thermistor RT12 RT13 CN112 Vane motor CN151 Connector to Indoor power P C board CN10A 12 VDC 5 VDC To disable Auto restart function solder the Jumper wire to JR07 Refer to 7 3 Emergency operation switch E O SW SW1 2 Indoor electronic control P C board GND Room temperature th...

Page 36: ... power P C board CN10A 12 VDC 5 VDC To disable Auto restart function solder the Jumper wire to JR07 Refer to 7 3 Emergency operation switch E O SW SW1 Indoor electronic control P C board GND Room temperature thermistor RT11 Indoor coil thermistor RT12 RT13 Temperature F Resistance kΩ 32 50 68 86 104 122 140 MSZ GE06 09 12 15 18NA 8 MSY GE09 12 15 18NA 8 OBH548D ...

Page 37: ...C 294 325 VDC Timer short mode point JPG JPS Refer to 7 1 Room temperature thermistor RT11 CN111 Indoor coil thermistor RT12 RT13 CN112 Vane motor CN151 Connector to Indoor power P C board CN10A 12 VDC 5 VDC To disable Auto restart function solder the Jumper wire to JR07 Refer to 7 3 Emergency operation switch E O SW SW1 Indoor electronic control P C board GND Room temperature thermistor RT11 Indo...

Page 38: ... monitor receiver SW P C board Emergency operation switch E O SW SW1 CN20A Refer to 9 6 JR07 JR77 Indoor terminal P C board Indoor electronic control P C board Indoor fan motor CN211 325 VDC GND high voltage DC 15 VDC 3 6 VDC 0 or 15 VDC Resistor R111 Timer short mode point JPG JPS Refer to 7 1 Varistor NR11 Terminal block To disable Auto restart function solder the Jumper wire to JR07 Refer to 7 ...

Page 39: ...e the fuse after removing the indoor terminal P C board from the electrical box Power monitor receiver SW P C board Fuse F11 Varistor NR11 Terminal block Indoor fan motor CN211 294 325 VDC GND high voltage DC 15 VDC 3 6 VDC 0 or 15 VDC Resistor R111 To disable Auto restart function solder the Jumper wire to JR07 Refer to 7 3 Timer short mode point JPG JPS Refer to 7 1 Vane motor CN151 CN152 5 VDC ...

Page 40: ...Slide the sleeve and check if there is a locking lever or not 2 The terminal with this connector has the locking 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...

Page 41: ... electronic control P C board Photo 2 Photo 3 Photo 4 3 Removing the indoor power P C board the indoor terminal P C board and the electrical box 1 Remove the panel Refer to 1 and the corner box 2 Remove the indoor outdoor connecting wire and the indoor electric control P C board holder Refer to 2 2 8 3 Remove the screw of the conduit cover and the con duit cover 4 Remove the screw of the conduit p...

Page 42: ...the drain hose from the nozzle assembly and remove the nozzle assembly Photo 5 5 Removing the horizontal vane motor 1 Remove the nozzle assembly Refer to 5 2 Remove the screws of the horizontal vane motor unit 3 Disconnect the connector from the horizontal vane motor 4 Remove the screws of the horizontal vane motor 5 Remove the horizontal vane motor from the horizontal vane motor unit 42 Screws of...

Page 43: ...and 6 Release the hooks of the motor band 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 Refer to Photo 9 9 Remove the screws fixing the left side of the heat exchanger 10 Lift the heat exchanger and pull out the line flow fan to the lower left Photo 9 Photo...

Page 44: ...r monitor receiver holder and pull out the power monitor receiver SW P C board 9 Disconnect all the connectors on the indoor electronic control P C board and unhook all lead wires 10 Remove the screw of the terminal block on the indoor terminal P C board 11 Remove the indoor terminal P C board and the indoor electronic control P C board 3 Removing the indoor electrical box 1 Remove the panel Refer...

Page 45: ... Remove the screw of the vertical vane motor unit and pull the vertical vane motor unit 4 Remove the screws of the vertical vane motor unit cover 5 Remove the crank of the vertical vane motor unit from the shaft of the vane motor 6 Remove the vertical vane motor from the vertical vane motor unit 7 Disconnect the connector of vertical vane motor from the vertical vane motor 6 Removing the horizonta...

Page 46: ... 8 Release the hooks of the motor band Remove the motor band Pull out the indoor fan motor 9 Remove the indoor coil thermistor from the heat exchanger Install the indoor coil thermistor in its former position when assembling it Photo 9 10 Remove the screws fixing the left side of the heat exchanger 11 Lift the heat exchanger and pull out the line flow fan to the lower left Photo 8 Photo 9 Photo 10...

Page 47: ...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...

Page 48: ... REVISED EDITION C Distributed in Apr 2011 No OBH548 REVISED EDITION B Distributed in Sep 2010 No OBH548 REVISED EDITION A 5 Distributed in Jul 2009 No OBH548 5 Made in Japan New publication effective Oct 2014 Specifications subject to change without notice HEAD OFFICE TOKYO BLDG 2 7 3 MARUNOUCHI CHIYODA KU TOKYO 100 8310 JAPAN ...

Search results

Summary of Contents for Mr. Slim MSZ-GE06NA-8

Reviews:

Related manuals for Mr. Slim MSZ-GE06NA-8

Brands by name

Popular brands

Mitsubishi Electric Mr. Slim MSZ-GE06NA-8, Service Manual

Search results

Summary of Contents for Mr. Slim MSZ-GE06NA-8

Reviews:

Related manuals for Mr. Slim MSZ-GE06NA-8

Brands by name

Popular brands