Mitsubishi Electric MSZ-CB22VA Manual de servicio

CONTENTS1. TECHNICAL CHANGES ····································22. PART NAMES AND FUNCTIONS······················33. SPECIFICATION··················

10TROUBLESHOOTING99-1. Cautions on troubleshooting1. Before troubleshooting, check the following:1) Check the power supply voltage.2) Check the indoor

1121StopperLock.LeftInsert this end first.3. Troubleshooting procedure1) First, check if the OPERATION INDICATOR lamp on the indoor unit is flashing o

12Outline of the functionThis air conditioner can memorize the abnormal condition which has occurred once.Even though LED indication listed on the tro

132. Indoor unit failure mode tableNOTE : Blinking patterns of this mode differ from the ones of Troubleshooting check table(9-4.). 12-time flash2.5-s

14StartIndoor unit operates.Outdoor unit doesn't operate.Indoor unit doesn't receive the signal from remote controller.OPERATION INDICATORl

15No.1367SymptomOperation indicator lampConditionCorrespondenceLeft lamp flashes.0.5-second ON0.5-second OFFMis-Wiringor serial signalOutdoor power sy

16OPERATION INDICATORNot lightedBlinkingLightedOPERATION INDICATORNot lightedBlinkingLightedNo.1SymptomOperation indicator lampConditionCorrespondence

17Check of indoor fan motorAWhen OPERATION INDICATOR lamp flashes 3-time.Indoor fan does not operate.w If more than 12 seconds or more passes after EM

18Check of remote controller and receiver P.C. board BIndoor unit operates by pressing EMERGENCY OPERATION switch, but does not operate with the remot

19The unit does not operate with the remote controller.Also, OPERATION INDICATOR lamp does not light up by pressing EMERGENCY OPERATION switch.Check o

21TECHNICAL CHANGESMSZ-GA22VA- ➔ MSZ-CB22VA-MSZ-GA25VA- ➔ MSZ-CB25VA-MSZ-GA35VA- ➔ MSZ-CB35VA-E1E1E1E1E1E11. Color of BOX and CORNER BOX has been chan

20How to check mis-wiring and serial signal errorDIs there rated voltage in the power supply?Is there any mis-wiring, poor contact, or wire disconnect

21Check of installation of the horizontal vaneEReplace the indoor electronic control P.C. board.Replace the interlock switch(Fan).Is the stopper of th

22Electromagnetic noise enters into TV sets or radiosFReplace or repair the antenna.Replace or repair the coaxial cable.NoNoNoYesYesNoNoYesYesYesIs th

23Indoor coil thermistor [RT12 (MAIN), RT13 (SUB)]Room temperature thermistor (RT11)Temperature (:)Resistance (k")MSZ-CB22VA MSZ-CB25VA MSZ-CB35V

24DISASSEMBLY INSTRUCTIONS10(1) Slide the sleeve and check if there is a locking lever or not.(2) The terminal with this connector has the locki

252. Removing the electronic control P.C. board, thepower monitor receiver P.C. board, SW P.C. boardand the terminal block(1) Remove the horizontal v

26OPERATING PROCEDURE PHOTOSPhoto 6Photo 8Screws of theleft side of theheat exchanger4. Removing the horizontal vane motor unit(1) Remove the horizont

27PARTS LIST (non-RoHS compliant)11MSZ-CB22VAMSZ-CB25VAMSZ-CB35VA11-1. INDOOR UNIT STRUCTURAL PARTSNo.Part No.Part nameRemarksSymbolin WiringDiagramQ&

2811-3. INDOOR UNIT ELECTRICAL PARTS AND FUNCTIONAL PARTSMSZ-CB22VAMSZ-CB25VAMSZ-CB35VA42539162211-4. INDOOR UNIT HEAT EXCHANGER1087121314151621242311

29BEARING MOUNTSLEEVE BEARINGDRAIN HOSENOZZLE ASSEMBLYVANE MOTOR UNIT (HORIZONTAL)INTERLOCK SWITCH(FAN)HORIZONTAL VANEFUSEVARISTORPOWER MONITOR RECEIV

3PART NAMES AND FUNCTIONS2MSZ-CB22VAMSZ-CB25VAMSZ-CB35VALine flow fanAir outletVertical vaneAir inletDisplay sectionFront panelPanelHeat exchangerHori

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31RoHS PARTS LIST (RoHS compliant)12MSZ-CB22VAMSZ-CB25VAMSZ-CB35VA12-1. INDOOR UNIT STRUCTURAL PARTSNo.Part No.Part nameRemarksSymbolin WiringDiagramQ

3212-3. INDOOR UNIT ELECTRICAL PARTS AND FUNCTIONAL PARTSMSZ-CB22VAMSZ-CB25VAMSZ-CB35VA42539162212-4. INDOOR UNIT HEAT EXCHANGER1087121314151621242311

33BEARING MOUNTSLEEVE BEARINGDRAIN HOSENOZZLE ASSEMBLYVANE MOTOR UNIT (HORIZONTAL)INTERLOCK SWITCH(FAN)HORIZONTAL VANEFUSEVARISTORPOWER MONITOR RECEIV

MAC-093SS-EModel Part No.MSZ-CB22VA MSZ-CB25VAMSZ-CB35VA 13-2. QUICK CLEAN KIT● You can sweep the surface of heat exchanger if you install the special

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HEAD OFFICE: TOKYO BLDG, 2-7-3, MARUNOUCHI, CHIYODA-KU, TOKYO 100-8310, JAPANCCCopyright 2005 MITSUBISHI ELECTRIC ENGINEERING CO.,LTDDistributed in Ja

4ACCESSORIESREMOTE CONTROLLER1234567Installation plateInstallation plate fixing screw 4 o 25 mmRemote controller holderFixing screw for 3 3.5 o 1.6 mm

5SPECIFICATION3T3.15AL 250VMSBPC20M16 12V DC 250" (at 25˚C)ERZV14D4713PINDOOR UNITFuse Horizontal vane motorVaristorTerminal block(F11)(MV)(NR11)

64NOISE CRITERIA CURVES90807060504030201063 125 250 500 1000 2000 4000 8000NC-60NC-50NC-40NC-30NC-20NC-70OCTAVE BAND SOUND PRESSURE LEVEL, dB re 0.000

7OUTLINES AND DIMENSIONS5MSZ-CB25VAUnit : mm155 155335 32041.5 21542.52143287.570555555 225 225 or more710090106298102624.5780210 553.5191595814273.52

86WIRING DIAGRAMREFRIGERANT SYSTEM DIAGRAM7MSZ-CB22VAMSZ-CB25VAMSZ-CB35VAIndoorheatexchangerFlared connectionRoom temperaturethermistorRT11Indoor coil

9SERVICE FUNCTIONS88-2. P.C. BOARD MODIFICATION FOR INDIVIDUAL OPERATIONA maximum of 4 indoor units with wireless remote controllers can be used in a