Mitsubishi Electric MUH-C18TV Manuale di Servizio

SERVICE MANUALSPLIT-TYPE AIR CONDITIONERSCONTENTS1. TECHNICAL CHANGES ····································32. PART NAMES AND FUNCTIONS················

10WIRING DIAGRAM6MU-C18TV -E1MODEL WIRING DIAGRAMOUTDOOR UNITSYMBOLC1C2SYMBOLFMCSYMBOLMFTBNAMENAME NAMECOMPRESSOR CAPACITOROUTDOOR FAN CAPACITORFUSE(

11MS-C24TV -E1MU-C24TV -E1MODEL WIRING DIAGRAMMODEL WIRING DIAGRAMINDOOR UNITOUTDOOR UNITSYMBOLRT12TB52CSYMBOLIC141MFMVNR11RT11SYMBOLC11DSARF11F12HI

12REFRIGERANT SYSTEM DIAGRAM7MS-C18TV -E1MU-C18TV -E1INDOOR UNITOUTDOOR UNITIndoorheatexchangerRoom temperaturethermistorRT11Refrigerant pipe [15.88

13Indoor unitw Max. Height difference 5mw Height difference should be within 5m regardless of which unit, indoor or outdoor position is high.Ou

14PERFORMANCE CURVESWet and dry-bulb thermometersDry-bulb thermometersThe standard data contained in these specifications apply only to the operation

15MS-C18TV - E1MS-C24TV - E114.913.512.211.09.88.612.211.210.19.18.27.211Both indoor and outdoor unit are under the same temperature/humidity conditio

16PERFORMANCE DATA COOL operationMS-C18TV - : MU-C18TV -E1E1NOTE Q : Total capacity (kW) SHF : Sensible heat factor DB: Dry-bulb temperatureSHC :

17PERFORMANCE DATA COOL operationMS-C18TV - : MU-C18TV -E1E1NOTE Q : Total capacity (kW) SHF : Sensible heat factor DB: Dry-bulb temperatureSHC :

18PERFORMANCE DATA COOL operationMS-C24TV - : MU-C24TV -E1E1NOTE Q : Total capacity (kW) SHF : Sensible heat factor DB: Dry-bulb temperatureSHC :

19PERFORMANCE DATA COOL operationMS-C24TV - : MU-C24TV -E1E1NOTE Q : Total capacity (kW) SHF : Sensible heat factor DB: Dry-bulb temperatureSHC :

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20Once the operation mode are set, the same operation modecan be repeated by simply turning theOPERATE/STOP(ON/OFF) button ON.Indoor unit receives the

21ModeCOOL mode of"I FEEL CONTROL"DRY mode of"I FEEL CONTROL"Initial room temperature Initial set temperature26: or more25: to 2

22CompressorOutdoor fan OFFON(continuously at set speed)Indoor fan ONONOFF—DRY mode of “I FEEL CONTROL”—The system for dry operation uses the same ref

239-2. COOL ( ) OPERATION(1) Press OPERATE/STOP(ON/OFF) button.OPERATION INDICATOR lamp of the indoorunit turns on with a beep tone.(2) Select COOL mo

24(3) PositioningThe vane is once pressed to the vane stopper below to confirm the standard position and then set to the desired angle.Confirming of s

259-7. TIMER OPERATION1. How to set the timer(1) Press OPERATE/STOP(ON/OFF) button to start the air conditioner.(2) Check that the current time is set

269-8. EMERGENCY-TEST OPERATIONIn case of test run operation or emergency operation, use the EMERGENCY OPERATION switch on the front of theindoor unit

27SERVICE FUNCTIONS1010-2. P.C. BOARD MODIFICATION FOR INDIVIDUAL OPERATIONA maximum of 4 indoor units with wireless remote controllers can be used in

2810-3. AUTO RESTART FUNCTIONWhen the indoor unit is controlled with the remote controller, the operation mode, set temperature, and the fan speed are

29TROUBLESHOOTING1111-1. Cautions on troubleshooting1. Before troubleshooting, check the following:1) Check the power supply voltage.2) Check the indo

3New Specification Previous SpecificationThe incompatible lubricant easily separates from refrigerant and makes the layer in the upper inside the suct

When rotational frequencyfeedback signal is not emitduring 12-second indoor fanoperation3011-2. Instruction of troubleshooting1. troubleshooting check

31Measure the resistance between the terminals with a tester.(Coil wiring temperature –10°C ~ 40°C)Measure the resistance between the terminals with a

32Replace the receiver P.C. board.Replace the remote controller.Replace the batteries.(Refer to page 29.)Switch on the remote controller.Repair or rep

33Check the conti-nuity of indoorand outdoor unitconnection.Replace the indoor electronic con-trol P.C. board.Check of indoor electronic control P.C.

34Turn ON the power supply.Pess the EMERGENCY OPERATION switch.3-minute time delay works.Test run operation operates for 30 minutes.Is there 230V AC b

351 Turn OFF the power supply.2 After 30 seconds, turn ON the power supply again.3 Operate the unit in COOL mode by pressing the EMERGENCY OPERAT

36TEST POINT DIAGRAM AND VOLTAGEMS-C18TV - MS-C24TV -Indoor electronic control P.C. boardE1E1}}}}Fan motor power supplyFuse 250V AC 3.15APower suppl

37DISASSEMBLY INSTRUCTIONS12(1) Slide the sleeve and check if there is a locking lever or not. (2) The terminal with this connector is a terminal wit

38OPERATING PROCEDURE PHOTOSPhoto 4Photo 5Heat exchangerscrewCatchBearing supportscrewsHeat exchangerIndoor fan motorLine flow fan Screws of themotor

39OPERATING PROCEDURE PHOTOS1. Removing the cabinet(1) Remove the screws of the cabinet.(2) Hold the bottom of the cabinet on the both side to removet

4Electronic scale for refrigerant chargingRefrigerant gas cylinder operating valveRefrigerant gas cylinderfor R407C with siphonRefrigerant (liquid)Gag

40PHOTOS3. Removing the outdoor fan motor(1) Remove the cabinet. (Refer to 1)(2) Disconnect the connector remove the hooked lead wirefrom the fan moto

41OPERATING PROCEDURE PHOTOS1. Removing the cabinet(1) Remove the screws of the cabinet.(2) Hold the bottom of the cabinet on the both side to removet

42PHOTOSPhoto 4OPERATING PROCEDURE3. Removing the outdoor fan motor(1) Remove the cabinet. (Refer to 1)(2) Disconnect the connector and remove the lea

43PARTS LIST13MS-C18TV - (WH)MS-C24TV - (WH)13-1. INDOOR UNITSTRUCTURAL PARTSE1E113-2. INDOOR UNITHEAT EXCHANGERPart number that is circled is not s

44MS-C18TV - (WH)MS-C24TV - (WH)13-3. INDOOR UNIT ELECTRICAL PARTS AND FUNCTIONAL PARTSE1E113-4. ACCESSORY PART AND REMOTE CONTROLLER13-3. INDOOR UN

45MU-C18TV -MU-C24TV -13-5. OUTDOOR UNITSTRUCTURAL PARTS, ELECTRICAL PARTS AND FUNCTIONAL PARTSE1E1Symbolin WiringDiagramRemarksPart No.NO.Part Name

46OPTIONAL PARTS14Part No.ModelMAC-1100FTMS-C18TV -E1MS-C24TV -E1Part No.ModelMAC-1600DFMS-C18TV -E1MS-C24TV -E1Deodorizing filter (Gray sponge type)A

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HEAD OFFICE: MITSUBISHI DENKI BLDG., 2-2-3, MARUNOUCHI, CHIYODA-KU, TOKYO100-8310, JAPANCCCopyright 2000 MITSUBISHI ELECTRIC ENGINEERING CO.,LTD.Issue

5PART NAMES AND FUNCTIONS2INDOOR UNITRemote controlreceiving sectionAir cleaning filter(option)Deodorizing filter(option)Front panelGrille(When the gr

6REMOTE CONTROLLERON/OFFTOOCOOL PMAMTOOWARMON/OFFFANTOOWARMTOOCOOLVANEMODEECONO COOL STOP STARTHR.MIN.I FEELCOOLDRY PMCLOCKAMRESETCLOCKF

7SPECIFICATION3Indoor modelFunctionPower supplyCapacityDehumidificationAir flow(High)Power outletRunning currentPower inputAuxiliary heaterPower facto

8NOISE CRITERIA CURVES490807060504030201063 125 250 500 1000 2000 4000 8000NC-60NC-50NC-40NC-30NC-20NC-70OCTAVE BAND SOUND PRESSURE LEVEL, dB re 0.000

9OUTLINES AND DIMENSIONS5MS-C18TV -MS-C24TV -E1E1MU-C18TV -MU-C24TV -E1E1OUTDOOR UNITINDOOR UNIT3 297450450352438254206040150 648 2175190995190775