Mitsubishi Mr.Slim MSZ-FE09NA Wartungshandbuch

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SERVICE MANUAL
CONTENTS
1. TECHNICAL CHANGES
·······································
2
2. PART NAMES AND FUNCTIONS ····················· 3
3. SPECIFICATION ················································ 5
4. OUTLINES AND DIMENSIONS ························ 6
5. WIRING DIAGRAM ············································ 7
6. REFRIGERANT SYSTEM DIAGRAM ··············· 8
7. SERVICE FUNCTIONS ····································· 9
8. MICROPROCESSOR CONTROL ··················· 11
9. TROUBLESHOOTING ····································· 21
10. DISASSEMBLY INSTRUCTIONS ···················· 35
MSZ-FE09NA
MSZ-FE12NA
MSZ-FE18NA
SPLIT-TYPE AIR CONDITIONERS
INDOOR UNIT
Outdoor unit service manual
MUZ-FENA Series (OBH543)
MXZ-A·NA Series (OB444)
MXZ-B·NA Series (OB560)
NOTE:
RoHS compliant products have <G> mark on the spec name plate.
PARTS CATALOG (OBB542)
Models
No. OBH542
REVISED EDITION-A
Revision A:
MSZ-FE18NA has been added.
Please void OBH542.
MSZ-FE09NA
MSZ-FE12NA
Seitenansicht 0
1 2 3 4 5 6 ... 43 44

Inhaltsverzeichnis

Seite 1 - MSZ-FE18NA

SERVICE MANUALCONTENTS1. TECHNICAL CHANGES·······································22. PART NAMES AND FUNCTIONS ····················· 33. SPECIFICATION

Seite 2 - TECHNICAL CHANGES

10NOTE:• The operation settings are memorized when 10 seconds have passed after the indoor unit was operated with the remote controller.• If main powe

Seite 3 - PART NAMES AND FUNCTIONS

11Signal transmitting sectionOperation display sectionOPERATE/STOP (ON/OFF) buttonFAN SPEED CONTROL buttonOPERATION SELECT buttonPOWERFUL buttonIndica

Seite 4 - ACCESSORIES

128-1. COOL ( ) OPERATION(1) Press OPERATE/STOP (ON/OFF) button. POWER lamp (MSZ-FE09/12NA)/OPERATION INDICATOR lamp (MSZ-FE18NA) of the indoor uni

Seite 5 - SPECIFICATION

138-3. HEAT ( ) OPERATION(1) Press OPERATE/STOP (ON/OFF) button. POWER lamp (MSZ-FE09/12NA)/OPERATION INDICATOR lamp (MSZ-FE18NA) of the indoor unit

Seite 6 - OUTLINES AND DIMENSIONS

148-5. AUTO VANE OPERATION1. Horizontal vane(1) Vane motor drive These models are equipped with a stepping motor for the horizontal vane. The rotatin

Seite 7 - WIRING DIAGRAM

15(8) Cold air prevention in HEAT operationThe horizontal vane position is set to Upward.NOTE: When 2 or more indoor units are operated with multi out

Seite 8 - REFRIGERANT SYSTEM DIAGRAM

168-6. i-see CONTROL OPERATION (MSZ-FE09NA MSZ-FE12NA)The sensors constantly measure the room and floor/wall temperatures to automatically adjust to

Seite 9 - SERVICE FUNCTIONS

17Indoor unit installation location and air-conditioning area·Be sure to set the slide switch inside the remote controller to an appropriate position

Seite 10 - Position of

18Operation and operating rangei-see sensor moves 30 degrees from the center in both right and left side.i-see Sensor operates as follows in accordanc

Seite 11 - MICROPROCESSOR CONTROL

19(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 t

Seite 12 - INDOOR UNIT DISPLAY SECTION

21TECHNICAL CHANGESMSZ-FE09NAMSZ-FE12NAMSZ-FE18NA 1. New modelRevision A:• MSZ-FE18NA has been added.

Seite 13

208-11. Changing temperature indication (°F/°C)8-10. 3-MINUTE TIME DELAY OPERATIONWhen the system turns OFF, compressor will not restart for 3 minutes

Seite 14 - Horizontal

219-1. CAUTIONS ON TROUBLESHOOTING1. Before troubleshooting, check the following1) Check the power supply voltage.2) Check the indoor/outdoor connecti

Seite 15 - (MSZ-FE18NA)

22Outline of the functionThis air conditioner can memorize the abnormal condition which has occurred once.Even though LED indication listed on the tro

Seite 16 - for a long period

232. Indoor unit failure mode tablePOWER lampUpper lampAbnormal point (Failure mode) Condition RemedyNot lighted Normal — —1-time fl ash every 0.5-se

Seite 17 - Not lighted

24Indoor unit oper-ates.Outdoor unit does not operate.If blinking of OPERATION INDI-CATOR lamp cannot be checked, it can be checked with failure mode

Seite 18

259-4. TROUBLESHOOTING CHECK TABLEBefore taking measures, make sure that the symptom reappears for accurate troubleshooting.When the indoor unit has s

Seite 19

26 L AREA R POWER No. Abnormal point Operation indicator lamp Symptom Condition Remedy1MXZ type Operation mode settingMSZ-FE09/12NAPOWER

Seite 20

279-6. TROUBLESHOOTING FLOW A Check of indoor fan motorThe indoor fan motor error has occurred, and the indoor fan does not operate.Turn OFF the powe

Seite 21 - TROUBLESHOOTING

28 B Check of remote controller and indoor electronic control P.C. board Check if the remote controller is exclusive for this air conditioner.Does th

Seite 22

29 C Check of indoor electronic control P.C. board and indoor fan motorTurn OFF the power supply.Remove indoor fan motor connector CN211, vane motor

Seite 23 - Upper lamp: MSZ-FE18NA

3PART NAMES AND FUNCTIONS2MSZ-FE09NA MSZ-FE12NAFront panelAir filterAir inletOperation indicator lampPlatinum deodorizing filterAnti-allergy Enzyme Fil

Seite 24

30CN211R111Indoor electroniccontrol P.C. boardIndoor terminalP.C. boardFuse(F11)Varistor(NR11)YesNo 1. The fan motor connector's lead wire i

Seite 25 - Blinking

31 D How to check miswiring and serial signal errorTurn OFF inverter-controlled lighting equipment.Turn OFF the power supply and then turn ON again.P

Seite 26 - Abnormal

32 E Electromagnetic noise enters into TV sets or radiosYesIs the unit grounded?NoGround the unit.YesIs the distance between the antennas and the ind

Seite 27 - A Check of indoor fan motor

33MSZ-FE09NA MSZ-FE12NA1. Indoor electronic control P.C. board9-7. TEST POINT DIAGRAM AND VOLTAGERoom temperature thermistor (RT11)Indoor coil thermi

Seite 28 - MSZ-FE09NA MSZ-FE12NA

344. Indoor terminal P.C. board, Indoor electronic control P.C. board, Power monitor receiver SW P.C. boardRoom temperature thermistor (RT11)Indoor co

Seite 29

3510-1. MSZ-FE09NA MSZ-FE12NANOTE: Turn OFF power supply before disassembling.OPERATING PROCEDUREPHOTOS1. Removing the panel(1) Hold both sides of t

Seite 30

36OPERATING PROCEDUREPHOTOS2. Removing the electronic control P.C. board, the power monitor receiver P.C. board, i-see Sensor, SW P.C. board and the t

Seite 31

37OPERATING PROCEDUREPHOTOS3. Removing the electrical box(1) Remove the panel (Refer to 1.) and the corner box.(2) Remove the indoor/outdoor connectin

Seite 32

38OPERATING PROCEDUREPHOTOS6. Removing the horizontal vane motor(1) Remove the nozzle assembly. (Refer to 4.)(2) Remove the screws of the horizontal v

Seite 33

3910-2. MSZ-FE18NANOTE: Turn OFF power supply before disassembling.OPERATING PROCEDURE PHOTOS1. Removing the panel(1) Remove the horizontal vanes.(2)

Seite 34 - Resistance (kΩ)

4Remote controller Display sectionFront panelAir filter(Nano platinum filter)Air inletAir cleaning filter(Electrostatic anti-alergy enzyme filter)Air

Seite 35 - DISASSEMBLY INSTRUCTIONS

40OPERATING PROCEDURE PHOTOS3. Removing the indoor electrical box(1) Remove the panel (Refer to 1.) and the corner box.(2) Remove the indoor/outdoor c

Seite 36 - OPERATING PROCEDURE

41OPERATING PROCEDURE PHOTOS5. Removing the vertical vane motor unit(1) Remove the nozzle assembly. (Refer to 4.)(2) Remove the crank of the vertical

Seite 37

42OPERATING PROCEDURE PHOTOS7. Removing the water cut, the indoor fan motor, the indoor coil thermistor, and the line flow fan(1) Remove the panel (Re

Seite 39 - OPERATING PROCEDURE PHOTOS

HEAD OFFICE: TOKYO BLDG., 2-7-3, MARUNOUCHI, CHIYODA-KU, TOKYO 100-8310, JAPAN© Copyright 2009 MITSUBISHI ELECTRIC CO., LTDDistributed in Sep. 2010. N

Seite 40

53SPECIFICATIONIndoor modelMSZ-FE09NA MSZ-FE12NA MSZ-FE18NAPower supply V, phase, Hz 208/230 , 1 , 60Max. fuse size (time delay)/ Disconnect switchA15

Seite 41

64OUTLINES AND DIMENSIONSUnit: inchMSZ-FE09NA MSZ-FE12NA30-7/831-3/81/21-7/82-3/1611-5/827-1/163/42-5/166-1/41-11/162-11/162-3/163-15/161/210-1/8 1/4

Seite 42

75WIRING DIAGRAMMSZ-FE09NA MSZ-FE12NAMSZ-FE18NA

Seite 43

8REFRIGERANT SYSTEM DIAGRAM6MSZ-FE09NA MSZ-FE12NARefrigerant flow in coolingRefrigerant flow in heatingUnit: inchIndoorheatexchangerFlared connection

Seite 44

97-1. TIMER SHORT MODE For service, set time can be shortened by short circuit of JPG and JPS the indoor electronic control P.C. board. The time wil

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