Mitsubishi Electric MSZ-FD50VA Wartungshandbuch

CONTENTS1. TECHNICAL CHANGES ··································· 32. PART NAMES AND FUNCTIONS ····················· 43. SPECIFICATION ················

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

11ON TIMER buttonCLOCK SET buttonTIME SET buttonsFORWARD buttonBACKWARD buttonOFF TIMER buttonRESET buttonVANE CONTROL buttonWIDE VANE button(Vertical

129-1. COOL ( ) OPERATION(1) Press OPERATE/STOP (ON/OFF) button. POWER lamp of the indoor unit turns on with a beep tone.(2) Select COOL mode with OP

139-5. AUTO VANE OPERATION1. Horizontal vane(1) Vane motor driveThese models are equipped with a stepping motor for the horizontal vane. The rotating

14(7) SWING ( ) modeBy selecting SWING mode with VANE CONTROL button, the horizontal vane swings vertically. (8) Cold air prevention in HEAT operation

159-6. i-see CONTROL OPERATIONThe sensors constantly measure the room and floor/wall temperatures to automatically adjust to the set temperature by es

16Indoor unit installation location and air-conditioning area•Be sure to set the slide switch inside the remote controller to an appropriate position

17Operation 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

189-10. TIMER OPERATION1. How to set the time(1) Check that the current time is set correctly.NOTE: Timer operation will not work without setting the

19EMERGENCY OPERATION switch (E.O.SW)9-11. EMERGENCY/TEST OPERATIONIn case of test run operation or emergency operation, use EMERGENCY OPERATION switc

2Revision A:• 3. SPECIFICATION has been corrected.• 10-5. TROUBLE CRITERION OF MAIN PARTS has been corrected.Revision B:• MSZ-FD50VA(S)- E1 has been a

20Insert the negative pole of the batteries first. Check if the polarity of the batteries is correct.NOTE: 1. If RESET button is not pressed, the remo

21Outline of the functionThis air conditioner can memorize the abnormal condition which has occurred once.Even though LED indication listed on the tro

222. Flow chart of PLASMA operation failure mode recall function2. Blinking pattern when plasma unit is abnormal:ONOFFBeepsRepeated cycle Repeated cyc

235. PLASMA operation failure mode tablePOWER lamp Abnormal point(Failure mode)Condition Correspondence1-time fl ash PLASMA power supply control PLASMA

2410-3. INSTRUCTION OF TROUBLESHOOTINGIndoor unit oper-ates.Outdoor unit does not operate.If blinking of OPERATION INDI-CATOR lamp cannot be checked,

2510-4. TROUBLESHOOTING CHECK TABLEBefore taking measures, make sure that the symptom reappears for accurate troubleshooting.When the indoor unit has

26 L AREA R POWER CLEAN PLASMA No. Abnormal pointOperation indicator lamp Symptom Condition Correspondence1Attachment of the hori-zontal va

2710-5. TROUBLE CRITERION OF MAIN PARTSMSZ-FD25VA MSZ-FD25VAS MSZ-FD35VA MSZ-FD35VAS MSZ-FD50VA MSZ-FD50VASPart name Check method and criterion

28 A Check of indoor fan motor10-6. TROUBLESHOOTING FLOWThe indoor fan motor error has occurred, and the indoor fan does not operate.Turn OFF the pow

29 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

3MSZ-FD25VA - E1 MSZ-FD25VAS - E1MSZ-FD35VA - E1 MSZ-FD35VAS - E1MSZ-FD50VA - E1 MSZ-FD50VAS - E1 1. New modelTECHNICAL CHANGES1MSZ-FD25VA(S) - E1

30 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

31 D How to check miswiring and serial signal errorTurn OFF the power supply.Is there rated voltage in the power supply?YesNoTurn ON the power supply

32 E Check of installation of the horizontal vane F Check of PLASMA operationIs the stopper of the horizontal vane locked to the indoor unit correct

33 G Electromagnetic noise enters into TV sets or radiosYesIs the unit earthed?NoEarth the unit.YesIs the distance between the antennas and the indoo

3410-7. TEST POINT DIAGRAM AND VOLTAGEMSZ-FD25VA MSZ-FD25VAS MSZ-FD35VA MSZ-FD35VAS MSZ-FD50VA MSZ-FD50VAS1. Indoor electronic control P.C. board

352. Power monitor receiver P.C. boardDC 2.5 V during PLASMA DEODORIZING operationDC 12.5 V during PLASMA DEODORIZING operationGNDCN14. Plasma power P

36MSZ-FD25VA MSZ-FD25VAS MSZ-FD35VA MSZ-FD35VAS MSZ-FD50VA MSZ-FD50VASNOTE: Turn OFF power supply before disassembling.OPERATING PROCEDURE PHOTOS

37OPERATING PROCEDURE PHOTOS2. Removing the electronic control P.C. board, the power monitor receiver P.C. board, i-see Sensor, SW P.C. board and the

38OPERATING PROCEDURE PHOTOS3. Removing the electrical box(1) Remove the panel (refer to 1.) and the corner box.(2) Remove the indoor/outdoor connecti

39OPERATING PROCEDURE PHOTOS6. Removing the horizontal vane motor(1) Remove the nozzle assembly. (Refer to 4.)(2) Remove the screws of the horizontal

4ACCESSORIESInstallation plate 1Installation plate fi xing screw 4 × 25 mm 5Remote controller holder 1Fixing screw for 3.5 × 1.6 mm (Black) 2Battery

HEAD OFFICE: TOKYO BLDG., 2-7-3, MARUNOUCHI, CHIYODA-KU, TOKYO 100-8310, JAPAN© Copyright 2007 MITSUBISHI ELECTRIC CO.,LTDDistributed in Dec. 2008. No

5Indoor modelMSZ-FD25VAMSZ-FD25VASMSZ-FD35VAMSZ-FD35VASMSZ-FD50VAMSZ-FD50VASPower supplySingle phase 230 V, 50 HzElectrical dataPower input 1Cooling

6MSZ-FD25VA MSZ-FD25VASINDOOR UNITWALLMICROPHONE0.8 m1 m90807060504030201063 125 250 500 1000 2000 4000 8000NC-60NC-50NC-40NC-30NC-20NC-70OCTAVE BAND

7225 225646415515534554330 6942211.53253231.541212.52544369743859729521.55655 556881007857986.547Wall hole ø6511 X 26 Oblong hole11 X 20 Oblong holeIn

8MSZ-FD25VA MSZ-FD25VAS MSZ-FD35VA MSZ-FD35VASIndoorheatexchangerFlared connectionRoom temperaturethermistorRT11Flared connectionRefrigerant pipe ø

98-1. TIMER SHORT MODE For service, set time can be shortened by short circuit of JPG and JPS on the electronic control P.C. board. The time will be