English dropdown-ico

Mitsubishi Electronics MSZ-FA25VA manual

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40

Go to page of

Similar user manuals

A good user manual

The rules should oblige the seller to give the purchaser an operating instrucion of Mitsubishi Electronics MSZ-FA25VA, along with an item. The lack of an instruction or false information given to customer shall constitute grounds to apply for a complaint because of nonconformity of goods with the contract. In accordance with the law, a customer can receive an instruction in non-paper form; lately graphic and electronic forms of the manuals, as well as instructional videos have been majorly used. A necessary precondition for this is the unmistakable, legible character of an instruction.

What is an instruction?

The term originates from the Latin word „instructio”, which means organizing. Therefore, in an instruction of Mitsubishi Electronics MSZ-FA25VA one could find a process description. An instruction's purpose is to teach, to ease the start-up and an item's use or performance of certain activities. An instruction is a compilation of information about an item/a service, it is a clue.

Unfortunately, only a few customers devote their time to read an instruction of Mitsubishi Electronics MSZ-FA25VA. A good user manual introduces us to a number of additional functionalities of the purchased item, and also helps us to avoid the formation of most of the defects.

What should a perfect user manual contain?

First and foremost, an user manual of Mitsubishi Electronics MSZ-FA25VA should contain:
- informations concerning technical data of Mitsubishi Electronics MSZ-FA25VA
- name of the manufacturer and a year of construction of the Mitsubishi Electronics MSZ-FA25VA item
- rules of operation, control and maintenance of the Mitsubishi Electronics MSZ-FA25VA item
- safety signs and mark certificates which confirm compatibility with appropriate standards

Why don't we read the manuals?

Usually it results from the lack of time and certainty about functionalities of purchased items. Unfortunately, networking and start-up of Mitsubishi Electronics MSZ-FA25VA alone are not enough. An instruction contains a number of clues concerning respective functionalities, safety rules, maintenance methods (what means should be used), eventual defects of Mitsubishi Electronics MSZ-FA25VA, and methods of problem resolution. Eventually, when one still can't find the answer to his problems, he will be directed to the Mitsubishi Electronics service. Lately animated manuals and instructional videos are quite popular among customers. These kinds of user manuals are effective; they assure that a customer will familiarize himself with the whole material, and won't skip complicated, technical information of Mitsubishi Electronics MSZ-FA25VA.

Why one should read the manuals?

It is mostly in the manuals where we will find the details concerning construction and possibility of the Mitsubishi Electronics MSZ-FA25VA item, and its use of respective accessory, as well as information concerning all the functions and facilities.

After a successful purchase of an item one should find a moment and get to know with every part of an instruction. Currently the manuals are carefully prearranged and translated, so they could be fully understood by its users. The manuals will serve as an informational aid.

Table of contents for the manual

  • Page 1

    SER VICE MANUAL CONTENTS 1. TECHNICAL CHANGES ····································2 2. P ART NAMES AND FUNCTIONS ······················3 3. SPECIFICA TION·················································5 4. NOISE CRITERIA CUR VES ······[...]

  • Page 2

    2 1 TECHNICAL CHANGES MSZ-A09YV - ➔ MSZ-F A25V A - MSZ-A12YV - ➔ MSZ-F A35V A - E1 E1 E1 E1 12. PLASMA DEODORIZING/AIR PURIFYING filter units have been added. 13. i-see Sensor has been added. (i-see control operation and AREA setting have been added.) 14. Air cleaning filer has been removed. 15. Signal of remote controller has been changed. (It[...]

  • Page 3

    3 P ART NAMES AND FUNCTIONS 2 INDOOR UNIT MSZ-F A25V A - MSZ-F A35V A - E1 E1 Line flow fan Air outlet Vertical vane Air inlet Display section Front panel PLASMA DEODORIZING filter Panel Heat exchanger Horizontal vane Operation section (When the front panel is opened) Remote controller POWER lamp Remote control receiving section PLASMA AIR PURIFYIN[...]

  • Page 4

    4 ACCESSORIES 1 2 3 4 5 6 7 Installation plate Installation plate fixing screw 4 o 25 mm Remote controller holder Fixing screw for 3 3.5 o 1.6 mm (Black) Battery (AAA) for remote controller Wireless remote controller Felt tape (Used for left or left-rear piping) MSZ-FA25VA - E1 MSZ-FA35VA - E1 1 5 1 2 2 1 1 ON-TIMER button CLOCK SET button TIME SET[...]

  • Page 5

    5 SPECIFICA TION 3 T3.15AL250V NSEJ001DA1 12V DC 100 " (at 25˚C) MP20Z 12V DC 300 " (at 25˚C) MSBPC20M16 12V DC 250 " (at 25˚C) MSBPC20M1 1 12V DC 300 " (at 25˚C) ERZV14D471 A2TPMI334F0V50HSOBA060P5L1J4S 5V DC 3P INDOOR UNIT Item Model Fuse Front panel driving motor i-see Sensor motor Horizontal vane motor V ertical vane mot[...]

  • Page 6

    6 4 NOISE CRITERIA CUR VES 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 0.0002 MICRO BAR BAND CENTER FREQUENCIES, Hz APPROXIMA TE THRESHOLD OF HEARING FOR CONTINUOUS NOISE COOLING FUNCTION 42 42 SPL(dB(A)) LINE Super High F AN SPEED HEA TING T est conditi[...]

  • Page 7

    7 OUTLINES AND DIMENSIONS 5 MSZ-F A25V A - E1 Unit : mm INDOOR UNIT 780 155 155 335 320 41.5 215 42.5 214 3 287.5 70 55 55 55 225 225 298 90 106 or more 7 100 198 5 53.5 102 624.5 19 159 58 234 14 273.5 Air in Air out Wall hole [ 65 Indoor unit Installation plate Installation plate 11 o 20 Oblong hole 11 o 26 Oblong hole 10 or more 75 or more 55 or[...]

  • Page 8

    8 6 WIRING DIAGRAM REFRIGERANT SYSTEM DIAGRAM 7 MSZ-F A25V A - E1 Indoor heat e xchanger Flared connection Room temperature thermistor R T11 Indoor coil thermistor R T13(sub) Flared connection Refrigerant flow in cooling Refrigerant flow in heating Refrigerant pipe [ 9.52 (with heat insulator) Refrigerant pipe [ 6.35 (with heat insulator) Indoor co[...]

  • Page 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. boards of remote controller must be modified according to the number of the indoor unit. 8-1. TIM[...]

  • Page 10

    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 AR T/ST OP timer is active, the timer setting is cancelled. • If the unit has been off with the remote controller before power failur[...]

  • Page 11

    2 1 Stopper Lock. Left Insert this end first. 11 TROUBLESHOOTING 9 3. T roubleshooting procedure 1) First, check if the OPERA TION INDICA TOR lamp on the indoor unit is flashing on and of f to indicate an abnormality . T o make sure, check how many times the abnormality indication is flashing on and off before starting service work. 2) Before servi[...]

  • Page 12

    12 If PLASMA/W ASH lamp on the indoor unit blinks, clean the filters as soon as possible. The lamp will start blinking when accumulated operating time exceeds 330 hours. <Remove> (1) Switch the indoor unit OFF with the remote controller and disconnect the power supply plug and/ or turn OFF the breaker . NOTE : Otherwise, you may get injured s[...]

  • Page 13

    13 INFORMA TION 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. •Unit won’t operate in case the total capacity of indoor units exceeds the capacity of outdoor units. Do not connect indoor units beyond the outdoor unit capacity . Operation indica[...]

  • Page 14

    14 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 disappears, the memorized failure details can be recalled. This mode is very useful when the unit needs to be repaired for the abnormality which doesn't recur . 9-2. F[...]

  • Page 15

    15 2. Flow chart of PLASMA DEODORIZING/PLASMA AIR PURIFYING power failure mode recall function Operational procedure Note1. 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 memorize[...]

  • Page 16

    16 4. Indoor unit failure mode table NOTE: Blinking patterns of this mode differs from the ones of Troubleshooting check table(9-4.). 5. PLASMA DEODORIZING/PLASMA AIR PURIFYING power failure mode table 12-time flash 2.5-second OFF Replace the indoor electronic control P.C. board. Indoor control system When it cannot properly read data in the nonvol[...]

  • Page 17

    17 Start Indoor unit operates. Outdoor unit doesn't operate. Indoor unit doesn't receive the signal from remote controller . OPERA TION INDICA T OR lamp on the indoor unit is flashing on and off. OPERA TION INDICA T OR lamp on the indoor unit stays off. Outdoor unit operates in only T est Run operation. w Outdoor unit doesn't operate[...]

  • Page 18

    18 NOTE : When the indoor unit has started operation and the above detection method has detected an abnormality (the first detection after the power ON), the indoor electronic control P .C. board turns OFF the indoor fan motor with OPERA TION INDICA TOR lamp flashing. No. 1 3 5 6 Symptom Operation indicator lamp Detection method Check point POWER l[...]

  • Page 19

    19 Lighted Blinking Not lighted Lighted Blinking Not lighted Lighted Blinking Not lighted · Flashing of AREA lamp(left-hand side lamp) indicates abnormality . NOTE : When the indoor unit has started operation and the above detection method has detected an abnormality (the first detection after the power ON), the indoor electronic control P .C. boa[...]

  • Page 20

    20 9-5. T rouble criterion of main parts MSZ-F A25V A - MSZ-F A35V A - E1 E1 Part name Figure Check method and criterion Measure the resistance with a tester . (Part temperature 10˚C ~ 30˚C) Normal 8 k " ~ 20 k " Abnormal Open or short-circuit Room temperature thermistor(RT1 1) Indoor coil thermistor (RT12(MAIN), R T13(SUB)) Horizontal [...]

  • Page 21

    21 Check of indoor fan motor A When POWER lamp flashes 3-time. Indoor fan does not operate. w If 12 seconds or more passes after EMERGENCY OPERATION switch is pressed, the voltage mentioned above 2 goes 0V DC although the indoor electric control P.C. board is normal. Indoor electronic control P.C. board Pay careful attention to the high voltage on [...]

  • Page 22

    22 Check of remote controller and receiver 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 . Y es Replace the batteries. (Refer to 9-1.4.) T urn on a radio to AM and press switch on the remote controll[...]

  • Page 23

    23 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 electronic control 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. w 2. Connect "+" of the tester to fan motor connector[...]

  • Page 24

    24 How to check mis-wiring and serial signal error D When POWER lamp flashes ON and OFF in every 0.5-second. Outdoor unit does not operate. Is there rated voltage of 230V AC in the power supply? In 3 minutes after turning ON the power supply of the outdoor unit, does the LED on the inverter P.C. board repeat quick blinking "3.6-second-OFF and [...]

  • Page 25

    25 Check of installation of the horizontal vane E Start 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? Y es No Is there resistance 0 " ? Relock the stopper of the horizontal vane to the indoor unit. Refer to 9-1.5. Y es Are all lam[...]

  • Page 26

    26 Check of PLASMA DEODORIZING power F When PLASMA/W ASH lamp flashes 2-time. w w The power failure mode for PLASMA DEODORIZING power is memorized when the failure mode is called. After performing the check, make sure to release the failure mode recall function. Make sure that the front panel is firmly closed. 1 During pressing both OPERA TION SELE[...]

  • Page 27

    27 Check of PLASMA AIR PURIFYING power G When PLASMA/W ASH lamp flashes 2-time. w w The power failure mode for PLASMA AIR PURIFYING power is memorized when the failure mode is called. PLASMA AIR PURIFYING operation Make sure that the front panel is firmly closed. 1 During pressing both OPERA TION SELECT button and TOO COOL button on the remote cont[...]

  • Page 28

    28 Check of auto front panel H Is the connector of the front panel driving motor unit or the indoor electric control P .C. board unplugged? Front panel is normal. Replace the front panel driving motor unit. Does the front panel automatically open? (Does it start to move?) Y es Is the front panel held 10mm or more upper than the level line of the no[...]

  • Page 29

    29 Electromagnetic noise enters into TV sets or radios I Replace the antennas. Replace the coaxial cable. No No No Yes Yes No No Yes Yes Yes Is the distance between the antennas and the indoor unit within 3m, or is the distance between the antennas and the outdoor unit within 3m? Is the distance between the TV sets or radios and the indoor unit wit[...]

  • Page 30

    30 Indoor coil thermistor [RT12 (MAIN), RT13 (SUB)] Room temperature thermistor (RT1 1) T emperature ( : ) Resistance (k " ) MSZ-F A25V A - MSZ-F A35V A - Indoor electronic control P .C. board E1 E1 Release of Auto restart function Solder the Jumper wire to JR07. (Refer to 8-3.) 12V DC V aristor (NR1 1) 5V DC Room temperature thermistor (CN1 1[...]

  • Page 31

    31 DISASSEMBL Y INSTRUCTIONS 10 (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 . The terminal which has the locking mechanism can be detache[...]

  • Page 32

    32 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 horizontal vane, the panel (Refer to 1.) and the corner box. (2) Remove the screw of the V .A. clamp, and then the indoor/outdoor connecting wire.(See Photo 3.) (3) Remove the switch holder f[...]

  • Page 33

    33 OPERA TING PROCEDURE PHOTOS Photo 8 Photo 10 Screws of the left side of the heat exchanger 5. Removing the vertical vane motor unit (1) Remove the horizontal vane, the panel (Refer to 1.) and the corner box. (2) Pull out the drain hose from the nozzle assembly , and remove the nozzle assembly . (See Photo 5.) (3) Remove the crank of the vertical[...]

  • Page 34

    34 OPERA TING PROCEDURE PHOTOS Photo 13 Photo 1 1 Photo 12 Front panel driving motor Screw of the plasma element holder 7. Removing the plasma power P .C. board (1) Remove the horizontal vane, the panel (Refer to 1.) and the corner box. (2) Remove the switch holder and the electrical cover . (Refer to 3.) (3) Disconnect the connector of the front p[...]

  • Page 35

    35 P ARTS LIST 1 1 MSZ-F A25V A - (WH) MSZ-F A35V A - (WH) 1 1-1. INDOOR UNIT STRUCTURAL P ARTS E1 E1 No. Part No. Part name Remarks Symbol in Wiring Diagram Q'ty/unit 1 2 3 4 5 6 7 8 MSZ-FA25VA - E1 MSZ-FA35VA - E1 9 10 REMOTE CONTROLLER REMOTE CONTROLLER HOLDER KM05A BOX P ANEL ASSEMBL Y (WH) SCREW CAP FRONT P ANEL (WH) AIR FIL TER (LEFT) AI[...]

  • Page 36

    36 1 1-3. INDOOR UNIT ELECTRICAL P ARTS AND FUNCTIONAL P ARTS MSZ-F A25V A - (WH) MSZ-F A35V A - (WH) E1 E1 4 2 5 3 9 SLEEVE BEARING ROOM TEMPERA TURE THERMISTOR FUSE V ARISTOR NR1 1 1 6 33 1 1-4. INDOOR UNIT HEA T EXCHANGER 10 8 7 18 1 1 12 13 POWER MONITOR RECEIVER P .C. BOARD POWER MONITOR RECEIVER P .C. BOARD HOLDER i-see Sensor i-see Sensor MO[...]

  • Page 37

    37 BEARING MOUNT SLEEVE BEARING DRAIN HOSE NOZZLE ASSEMBL Y V ANE MOT OR UNIT (HORIZONT AL) INTERLOCK SWITCH(F AN) V ANE MOT OR UNIT (VERTICAL) HORIZONT AL V ANE FUSE V ARIST OR POWER MONITOR RECEIVER P .C. BOARD HOLDER i-see Sensor i-see Sensor MOTOR V A CLAMP TERMINAL BLOCK COVER TERMINAL BLOCK HOLDER TERMINAL BLOCK ELECTRONIC CONTROL P .C. BOARD[...]

  • Page 38

    38 12 OPTIONAL P ARTS DEODORIZING CERAMIC FIL TER Replacement of the deodorizing ceramic filter(about once every 6 years) Deodorizing ceramic filter is installed inside PLASMA DEODORIZING filter unit. The filter is fragile. Handle it with care. NOTE : PLASMA DEODORIZING filter unit may not operate properly if the deodorizing ceramic filter is not i[...]

  • Page 39

    39 OB371_--2qxp 05.1.17 12:49 Page 39[...]

  • Page 40

    HEAD OFFICE: MITSUBISHI DENKI BLDG., 2-2-3, MARUNOUCHI, CHIYODA-KU, T OKYO100-8310, JAP AN C C Copyright 2005 MITSUBISHI ELECTRIC ENGINEERING CO.,L TD Distributed in Jan. 2005. No. OB371 6 Made in Japan New publication, effective Jan. 2005 Specifications subject to change without notice. OB371_--2qxp 05.1.17 12:49 Page 40[...]