Page 2 - TECHNICAL CHANGES; NOTE: Do not remove the vane motor from the motor unit.; Do not disassemble the horizontal vane motor unit.; Front panel opening/closing; The vertical vane motor unit has been added.; Generalized stepping motor; Do not disassemble the vertical vane motor unit.
2 1 TECHNICAL CHANGES MSZ-A09YV - ➔ MSZ-FA25VA - MSZ-A12YV - ➔ MSZ-FA35VA - 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...
Page 3 - PART NAMES AND FUNCTIONS; INDOOR UNIT
3 PART NAMES AND FUNCTIONS 2 INDOOR UNIT MSZ-FA25VA -MSZ-FA35VA - 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 c...
Page 4 - ACCESSORIES; Installation plate; REMOTE CONTROLLER
4 ACCESSORIES 1234567 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...
Page 5 - SPECIFICATION; Specifications and rating conditions of main electric parts; When outdoor unit is MXZ type.
5 SPECIFICATION 3 T3.15AL250V NSEJ001DA1 12V DC 100 " (at 25˚C) MP20Z 12V DC 300 " (at 25˚C) MSBPC20M16 12V DC 250 " (at 25˚C) MSBPC20M11 12V DC 300 " (at 25˚C) ERZV14D471 A2TPMI334F0V50HSOBA060P5L1J4S 5V DC 3P INDOOR UNIT Item Model Fuse Front panel driving motor i-see Sensor motor ...
Page 6 - NOISE CRITERIA CURVES; INDOORUNIT
6 4 NOISE CRITERIA CURVES 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 APPROXIMATETHRESHOLD OF HEARING FORCONTINUOUSNOISE COOLING FUNCTION 42 42 SPL(dB(A)) LINE...
Page 7 - OUTLINES AND DIMENSIONS
7 OUTLINES AND DIMENSIONS 5 MSZ-FA25VA - 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...
Page 8 - MODELS WIRING DIAGRAM; SYMBOL; MP; MF
8 6 WIRING DIAGRAM REFRIGERANT SYSTEM DIAGRAM 7 MSZ-FA25VA - E1 Indoor heat exchanger Flared connection Room temperaturethermistorRT11 Indoor coil thermistorRT13(sub) Flared connection Refrigerant flow in cooling Refrigerant flow in heating Refrigerant pipe [ 9.52 (with heat insulator) Refrigerant p...
Page 9 - SERVICE FUNCTIONS; Table 1; How to modify the remote controller P.C. board; Operation
9 SERVICE FUNCTIONS 8 8-2. P.C. BOARD MODIFICATION FOR INDIVIDUAL OPERATION 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 bemodified according ...
Page 10 - power button of the remote controller is off.; How to release “AUTO RESTART FUNCTION”; Turn off the main power for the unit.
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 AUTO START/STOP timer is active, the timer setting is cancelled. • If the unit has been off with th...
Page 11 - TROUBLESHOOTING; Troubleshooting procedure; Take care the following during servicing.; Housing point; How to install the horizontal vane
2 1 Stopper Lock. Left Insert this end first. 11 TROUBLESHOOTING 9 3. Troubleshooting procedure 1) First, check if the OPERATION INDICATOR lamp on the indoor unit is flashing on and off to indicate an abnormality. To make sure, check how many times the abnormality indication is flashing on and off b...
Page 15 - PLASMA DEODORIZING/PLASMA AIR PURIFYING power operation check
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,...
Page 16 - Indoor unit failure mode table
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 flash2.5-second OFF Replace the indoor electronic controlP.C. board. Indoor control system...
Page 17 - Start
17 Start Indoor unit operates.Outdoor unit doesn't operate. Indoor unit doesn't receive the signal from remote controller. OPERATION INDICATORlamp on the indoor unit is flashing on and off. OPERATION INDICATORlamp on the indoor unit stays off. Outdoor unit operates in only Test Run operation. w Outd...
Page 19 - · Flashing of All lamps indicate abnormality.
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 po...
Page 20 - NOTE: Pay attention to static electricity.; Connector
20 9-5. Trouble criterion of main parts MSZ-FA25VA - MSZ-FA35VA - 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 temperaturethermistor(RT11) Indoor coil thermisto...
Page 21 - Check of indoor fan motor
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 theindoor electric control P.C. board is normal. Indoor electroniccontrol P.C. boar...
Page 22 - Check of remote controller and receiver P.C. board
22 Check of remote controller and receiver P.C. board B Indoor unit operates by pressing EMERGENCY OPERATION switch, but does not operate with the remote controller. w Check if the remote controller is exclusive for this air conditioner. Yes Replace the batteries. (Refer to 9-1.4.) Turn on a radio t...
Page 23 - Check of indoor electronic control P.C. board and indoor fan motor
23 The unit does not operate with the remote controller.Also, POWER lamp does not light up by pressing EMERGENCY OPERATION 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 "+...
Page 24 - How to check mis-wiring and serial signal error
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 of230V AC in the powersupply? In 3 minutes after turning ON thepower supply of the outdoor unit, doesthe LED on the inverter P.C. boardrep...
Page 25 - Check of installation of the horizontal vane
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? Yes No Is there resistance 0 " ? Relock the stopper of the horizontal vane to th...
Page 26 - Check of PLASMA DEODORIZING power; ww
26 Check of PLASMA DEODORIZING power F When PLASMA/WASH lamp flashes 2-time. ww 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 firml...
Page 27 - Check of PLASMA AIR PURIFYING power
27 Check of PLASMA AIR PURIFYING power G When PLASMA/WASH lamp flashes 2-time. ww The power failure mode for PLASMA AIR PURIFYING power is memorized when the failure mode is called. PLASMA AIR PURIFYINGoperation Make sure that the front panel is firmly closed. 1 During pressing both OPERATION SELECT...
Page 28 - Check of auto front panel; Indoor unit and outdoor unit do not operate.
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?) Yes Is the front panel held ...
Page 29 - Electromagnetic noise enters into TV sets or radios
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 theantennas and the indoorunit within 3m, or is thedistance between theantennas and the outdoorunit within 3m? Is the distance between t...
Page 30 - Cement resistance; Power supply input
30 Indoor coil thermistor [RT12 (MAIN), RT13 (SUB)]Room temperature thermistor (RT11) Temperature ( : ) Resistance (k " ) MSZ-FA25VA - MSZ-FA35VA - Indoor electronic control P.C. board E1 E1 Release of Auto restartfunctionSolder the Jumper wireto JR07.(Refer to 8-3.) 12V DC Varistor(NR11) 5V DC ...
Page 31 - DISASSEMBLY INSTRUCTIONS; Photo 1; (1) Press and unlock the knobs on both sides of the front; Photo 2
31 DISASSEMBLY 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...
Page 32 - Photo 4
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.(...
Page 35 - PARTS LIST; Part name; CONTROLLER
35 PARTS LIST 11 MSZ-FA25VA - (WH) MSZ-FA35VA - (WH) 11-1. INDOOR UNIT STRUCTURAL PARTS E1 E1 No. Part No. Part name Remarks Symbol in Wiring Diagram Q'ty/unit 12345678 MSZ-FA25VA - E1 MSZ-FA35VA - E1 9 10 REMOTE CONTROLLERREMOTE CONTROLLER HOLDER KM05A BOXPANEL ASSEMBLY (WH)SCREW CAPFRONT PANEL (WH...
Page 36 - AND FUNCTIONAL PARTS
36 11-3. INDOOR UNIT ELECTRICAL PARTS AND FUNCTIONAL PARTS MSZ-FA25VA - (WH) MSZ-FA35VA - (WH) E1 E1 4 2 5 3 9 SLEEVE BEARING ROOM TEMPERATURE THERMISTOR FUSE VARISTORNR11 1 6 33 11-4. INDOOR UNIT HEAT EXCHANGER 10 8 7 18 11 12 13 POWER MONITOR RECEIVER P.C. BOARD POWER MONITOR RECEIVER P.C. BOARD H...
Page 37 - 1-3. INDOOR UNIT ELECTRICAL PARTS AND FUNCTIONAL PARTS
37 BEARING MOUNTSLEEVE BEARINGDRAIN HOSENOZZLE ASSEMBLY VANE MOTOR UNIT (HORIZONTAL)INTERLOCK SWITCH(FAN)VANE MOTOR UNIT (VERTICAL)HORIZONTAL VANEFUSEVARISTORPOWER MONITOR RECEIVER P.C. BOARD HOLDERi-see Sensor i-see Sensor MOTORVA CLAMPTERMINAL BLOCK COVERTERMINAL BLOCK HOLDERTERMINAL BLOCKELECTRON...
Page 38 - OPTIONAL PARTS; DEODORIZING CERAMIC FILTER; Be sure to install the deodorizing ceramic filter.; Model
38 12 OPTIONAL PARTS DEODORIZING CERAMIC FILTER 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 prope...
Page 40 - Copyright 2005 MITSUBISHI ELECTRIC ENGINEERING CO.,LTD
HEAD OFFICE: MITSUBISHI DENKI BLDG., 2-2-3, MARUNOUCHI, CHIYODA-KU, TOKYO100-8310, JAPAN C C Copyright 2005 MITSUBISHI ELECTRIC ENGINEERING CO.,LTD Distributed in Jan. 2005. No. OB371 6Made in Japan New publication, effective Jan. 2005Specifications subject to change without notice. OB371_--2qxp 05....
