Mitsubishi ElectronicsメーカーMSZ-FD35VAの使用説明書/サービス説明書
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CONTENTS 1. TECHNICAL CHANGES ····································3 2. P ART NAMES AND FUNCTIONS ······················4 3. SPECIFICA TION ·················································5 4.
2 OBH488-1.qxp 07.8.9 11:47 AM Page 2.
3 1 TECHNICAL CHANGES MSZ-FD25V A - MSZ-FD25V AS - MSZ-FD35V A - MSZ-FD35V AS - E1 E1 E1 E1 1. New model OBH488-1.qxp 07.8.21 9:41 AM Page 3.
4 2 P ART NAMES AND FUNCTIONS MSZ-FD25V A MSZ-FD25V AS MSZ-FD35V A MSZ-FD35V AS Air outlet Vertical vane Air filter Front panel Horizontal vane Remote controller AREA lamp indicate AREA setting In ARE.
5 SPECIFICA TION 3 Specifications and rating conditions of main electric parts NOTE : T est conditions are based on ISO 5151 Cooling : Indoor Dry-bulb temperature 27 : Wet-bulb temperature 19 : Outdoo.
6 4 NOISE CRITERIA CUR VES MSZ-FD25V A MSZ-FD25V AS INDOOR UNIT WA LL MICROPHONE 0.8 m 1 m 90 80 70 60 50 40 30 20 10 63 125 250 500 1000 2000 4000 8000 NC-60 NC-50 NC-40 NC-30 NC-20 NC-70 OCT A VE BAND SOUND PRESSURE LEVEL, dB re 0.
225 225 64 64 155 155 345 54 330 69 42 21 1.5 3 253 231.5 41 212.5 254 43 69 7 43 85 97 295 21.5 56 55 55 688 100 785 798 6.5 47 Wall hole [ 65 11 X 26 Oblong hole 11 X 20 Oblong hole Indoor unit Installation plate 5 257 Installation plate Piping Drain hose Air in Air out 19 159 58 Piping Insulation [ 35 O.
8 7 REFRIGERANT SYSTEM DIAGRAM MSZ-FD25V A MSZ-FD25V AS MSZ-FD35V A MSZ-FD35V AS Indoor heat exchanger Flared connection Room temperature thermistor RT1 1 Flared connection Refrigerant pipe [ 9.
9 SER VICE FUNCTIONS 8 8-2. P .C. BOARD MODIFICA TION FOR INDIVIDUAL OPERA TION A maximum of 4 indoor units with wireless remote controllers can be used in a room. In this case, to operate each indoor unit individually by each remote controller , P .C.
10 NOTE : • The operation settings are memorized when 10 seconds have passed after the indoor unit was operated with the remote controller . • If main power is turned OFF or a power failure occurs while AUT O ST ART/STOP timer is active, the timer setting is can- celled.
11 MICROPROCESSOR CONTROL 9 NOTE: Last setting will be stored after the unit is turned OFF with the remote controller . Indoor unit receives the signal of the remote controller with beeps. WIRELESS REMOTE CONTROLLER The lamps at the center of the indoor unit indicates the operation state.
12 1. Coil frost prevention Coil frost prevention is as same as COOL mode. (9-1.1.) 2. Low outside temperature operation Low outside temperature operation is as same as COOL mode.
NOTE 2 FOR MUL TI SYSTEM AIR CONDITIONER OUTDOOR UNIT : MXZ series Multi system air conditioner can connect two or more indoor units with one outdoor unit.
14 To change the air flow direction When to use this function? Use this function if you don ’ t want the air from the indoor unit to blow directly onto your body. • Depending on the shape of the room, the air may blow directly onto your body. • Press VANE CONTROL button again to return the v ane to the previously- set position.
15 9-6. i-see CONTROL OPERA TION The sensors constantly measure the room and floor/wall temperatures to automatically adjust to the set temperature by esti- mating the temperature actually perceived by a person inside the room ( “ sensory temperature ” ).
16 ● Indoor unit installation location and air-conditioning area · Be sure to set the slide switch inside the remote controller to an appropriate position in accordance with the installed position of the indoor unit. If the switch is not set correctly, the air conditioner may not function properly.
Operation and operating range i-see sensor moves 30 degrees from the center in both right and left side. i-see Sensor operates as follows in accordance with AREA setting made with the remote controller . “ AUTO ” in AREA setting; first turning to the LEFT for adjusting the position then.
18 9-10. TIMER OPERA TION 1. How to set the time (1) Check that the current time is set correctly . NOTE : T imer operation will not work without setting the current time. Initially “ 0:00 ” blinks at the current time display of TIME MONITOR, so set the current time correctly with CLOCK SET button.
19 EMERGENCY OPERA TION switch (E.O.SW) Not lighted Lighted The operation mode is indicated by the AREA lamp as following AREA lamp EMERGENCY HEAT EMERGENCY COOL STOP Operation mode COOL HEA T Set temperature 24 : 24 : F an speed Med.
20 10 TROUBLESHOOTING 3. T roubleshooting procedure 1) First, check if the OPERA TION INDICA TOR lamp on the indoor unit is flashing on and off to indicate an abnormality . T o make sure, check how many times the abnormality indication is flashing on and off before starting service work.
21 Outline of the function This air conditioner can memorize the abnormal condition which has occurred once. Even though LED indication listed on the troubleshooting check table (10-4.
22 2. Flow chart of PLASMA operation failure mode recall function Operational procedure NOTE 1. Make sure to release the failure mode recall function once it's set up, otherwise the unit cannot operate properly. 2. If the abnormal condition is not deleted from the memory, the last abnormal condition is kept memorized.
23 4. Indoor unit failure mode table NOTE : Blinking patterns of this mode dif fer from the ones of TROUBLESHOOTING CHECK T ABLE (10-4.). 12-time flash 2.5-second OFF Replace the indoor electronic control P.C. board. Indoor control system It cannot properly read data in the nonvolatile memory of the indoor electronic control P.
24 Start Indoor unit operates. Outdoor unit doesn't operate. Indoor unit doesn't receive the signal from remote controller . OPERA TION INDICA TOR lamp on the indoor unit is flashing on and off. Outdoor unit operates only in T est Run operation.
25 No. 1 2 5 6 Symptom Operation indicator lamp Condition Correspondence POWER lamp flashes. 0.5-second ON 0.5-second OFF Miswiring or serial signal Outdoor power system Outdoor thermistors Outdoor control system Indoor coil thermistor The serial signal from the outdoor unit is not received for 6 minutes.
26 AREA R POWER CLEAN PLASMA L AREA R POWER CLEAN PLASMA L No. 1 Symptom Operation indicator lamp Condition Correspondence Abnormal point 0.5-second ON 0.5-second OFF The electricity is not conducted to the interlock switch (Fan) of the horizontal vane.
27 10-5. TROUBLE CRITERION OF MAIN P ARTS MSZ-FD25V A MSZ-FD25V AS MSZ-FD35V A MSZ-FD35V AS Part name Figure Check method and criterion Measure the resistance with a tester . Refer to 10-7. "T est point diagram and voltage", "Indoor electronic control P .
28 10-6. TROUBLESHOOTING FLOW Check of indoor fan motor A POWER lamp flashes 3-time. Indoor fan does not operate. w If more than 12 seconds passes after EMERGENCY OPERATION switch is pressed, the voltage mentioned above 2 goes 0 VDC although the indoor electric control P.
29 Check of remote controller and indoor electronic control P .C. board B Indoor unit operates by pressing EMERGENCY OPERA TION switch, but does not operate with the remote controller . w Check if the remote controller is exclusive for this air conditioner .
30 The unit does not operate with the remote controller . Also, POWER lamp does not light up by pressing EMERGENCY OPERA TION switch. Check of indoor P .C. board and indoor fan motor C Yes No w 1. The fan motor connector's 1 lead wire is red, whereas 3 is black.
31 How to check miswiring and serial signal error D • Unit cannot operate neither by the remote controller nor by EMERGENCY OPERA TION switch. Indoor unit does not operate. • POWER lamp flashes ON and OFF every 0.5-seconds. Outdoor unit does not operate.
32 Check of installation of the horizontal vane E Replace the indoor electronic control P .C. board. Replace the interlock switch(Fan). Is the stopper of the horizontal vane locked to the indoor unit correctly? Ye s No Is there resistance 0 " ? Relock the stopper of the horizontal vane to the indoor unit.
33 Electromagnetic noise enters into TV sets or radios G Replace or repair the antenna. Replace or repair the coaxial cable. No No No Yes Yes No No Yes Yes Yes Is the distance between the antennas and.
34 MSZ-FD25V A MSZ-FD25V AS MSZ-FD35V A MSZ-FD35V AS 1. Indoor electronic control P .C. board. 10-7. TEST POINT DIAGRAM AND VOL T AGE Room temperature thermistor (RT1 1) Indoor coil thermistor (RT12, RT13) T emperature ( : ) Resistance (k " ) Release of Auto restart function Solder the Jumper wire to JR07 (Refer to 8-3.
2. Power monitor receiver P .C. board 35 3 DC 2.5 V during PLASMA DEODORIZING operation 1 DC 12.5 V during PLASMA DEODORIZING operation 2 GND CN1 4. Plasma power P .
36 11 DISASSEMBL Y INSTRUCTIONS (1) Slide the sleeve and check if there is a locking lever or not. (2) The terminal with this connector has the locking mechanism. 1 Slide the sleeve. 2 Pull the terminal while pushing the locking lever . 1 Hold the sleeve, and pull out the terminal slowly .
37 OPERA TING PROCEDURE PHOTOS Photo 3 2. Removing the electronic control P .C. board, the power monitor receiver P .C. board, i-see Sensor , SW P .C. board and the terminal block (1) Remove the panel (Refer to 1.) and the corner box. (2) Remove the screw of the V .
38 OPERA TING PROCEDURE PHOTOS 3. Removing the electrical box (1) Remove the panel (Refer to 1.) and the corner box. (2) Remove the indoor/outdoor connecting wire, the sensor holder , the electrical cover and the earth wire. (Refer to 2.) (3) Disconnect the following connectors on the electronic con- trol P .
39 6. Removing the horizontal vane motor (1) Remove the nozzle assembly .(Refer to 4.) (2) Remove the screws of the horizontal vane motor unit, and pull out the horizontal vane motor unit. (4) Remove the screws of the horizontal vane motor unit cover .
HEAD OFFICE: TOKYO BLDG., 2-7-3, MARUNOUCHI, CHIYODA-KU, TOKYO 100-8310, JAP AN C C Copyright 2007 MITSUBISHI ELECTRIC ENGINEERING CO.,L TD Distributed in Aug. 2007. No. OBH488 6 Made in Japan New publication, ef fective Aug. 2007 Specifications subject to change without notice.
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