Mitsubishi Electric MSZ-FA25VA Service Manual
Split-type, heat pump air conditioners wireless type models
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- Operating instructions manual (195 pages) ,
- Service manual (44 pages) ,
- Руководство по эксплуатации (18 pages)
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Mitsubishi ilmalämpöpumput huoltaa ja korjaa: Jäähdytinpalvelu RefGroup Oy
SPLIT-TYPE, HEAT PUMP AIR CONDITIONERS
SERVICE MANUAL
Wireless type
Models
MSZ-FA25VA -
MSZ-FA35VA -
Indication of model name
MSZ-FA25VA -
MSZ-FA35VA -
NOTE:
This service manual describes technical data of the indoor units.
•As for outdoor units MUZ-FA25VA-
MUZ-FA35VAH-
•As for outdoor units MXZ-3A54VA-
refer to service manual OB377.
E1
E1
E1
E1
, MUZ-FA35VA-
E1
, refer to service manual OB372.
E1
, MXZ-4A71VA-
E1
www.ilmalämpöpumput.com
(WH)
(WH)
CONTENTS
1. TECHNICAL CHANGES ····································2
2. PART NAMES AND FUNCTIONS······················3
3. SPECIFICATION·················································5
4. NOISE CRITERIA CURVES ·······························6
5. OUTLINES AND DIMENSIONS ·························7
6. WIRING DIAGRAM ············································8
7. REFRIGERANT SYSTEM DIAGRAM ················8
8. SERVICE FUNCTIONS ······································9
9. TROUBLESHOOTING······································11
10. DISASSEMBLY INSTRUCTIONS·····················31
11. PARTS LIST······················································35
12. OPTIONAL PARTS···········································38
, MUZ-FA25VAH-
E1
and MXZ-4A80VA-
E1
No. OB371
and
E1
,
E1
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Summary of Contents for Mitsubishi Electric MSZ-FA25VA
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Page 1: Table Of Contents
Mitsubishi ilmalämpöpumput huoltaa ja korjaa: Jäähdytinpalvelu RefGroup Oy SPLIT-TYPE, HEAT PUMP AIR CONDITIONERS No. OB371 SERVICE MANUAL Wireless type Models MSZ-FA25VA - (WH) MSZ-FA35VA - (WH) CONTENTS 1. TECHNICAL CHANGES ····································2 2. PART NAMES AND FUNCTIONS······················3 3. SPECIFICATION·················································5 4. NOISE CRITERIA CURVES ·······························6 5. -
Page 2: Technical Changes
Mitsubishi ilmalämpöpumput huoltaa ja korjaa: Jäähdytinpalvelu RefGroup Oy TECHNICAL CHANGES MSZ-A09YV - MSZ-FA25VA - MSZ-A12YV - MSZ-FA35VA - 1. Indication of capacity has been changed.(BTU base kW base) 2. Controller method between indoor and outdoor has been changed. 3. Power supply method has been changed (change to supply from outdoor unit). -
Page 3: Part Names And Functions
Mitsubishi ilmalämpöpumput huoltaa ja korjaa: Jäähdytinpalvelu RefGroup Oy PART NAMES AND FUNCTIONS INDOOR UNIT MSZ-FA25VA - MSZ-FA35VA - Air inlet PLASMA AIR PURIFYING filter Front panel Panel PLASMA DEODORIZING filter Heat exchanger Anti-mold air filter Fan guard Air outlet Vertical vane... -
Page 4: Remote Controller
Mitsubishi ilmalämpöpumput huoltaa ja korjaa: Jäähdytinpalvelu RefGroup Oy MSZ-FA25VA - MSZ-FA35VA - MSZ-FA25VA - ACCESSORIES MSZ-FA35VA - 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... -
Page 5: Specification
Mitsubishi ilmalämpöpumput huoltaa ja korjaa: Jäähdytinpalvelu RefGroup Oy SPECIFICATION Indoor model MSZ-FA25VA - MSZ-FA35VA - Function Cooling Cooling Heating Heating Single phase Single phase Power supply 230V,50Hz 230V,50Hz Air flow(Super High) K /h Capacity Air flow(High W /Med. W /Low W ) -
Page 6: Microphone
Mitsubishi ilmalämpöpumput huoltaa ja korjaa: Jäähdytinpalvelu RefGroup Oy NOISE CRITERIA CURVES MSZ-FA25VA - MSZ-FA35VA - FAN SPEED FUNCTION SPL(dB(A)) LINE FAN SPEED FUNCTION SPL(dB(A)) LINE COOLING COOLING Super High Super High HEATING HEATING Test conditions, Test conditions, Cooling : Dry-bulb temperature 27: Wet-bulb temperature 19:... -
Page 7: Outlines And Dimensions
Mitsubishi ilmalämpöpumput huoltaa ja korjaa: Jäähdytinpalvelu RefGroup Oy OUTLINES AND DIMENSIONS MSZ-FA25VA - Unit : mm MSZ-FA35VA - INDOOR UNIT 11o26 Oblong hole 11o20 Oblong hole Installation plate Indoor unit Air in Wall hole Installation plate Liquid line [6.35 - 0.5m Gas line [9.52 - 0.43m... -
Page 8: Wiring Diagram
Mitsubishi ilmalämpöpumput huoltaa ja korjaa: Jäähdytinpalvelu RefGroup Oy WIRING DIAGRAM MSZ-FA25VA - MSZ-FA35VA - MODELS WIRING DIAGRAM INDOOR UNIT INDOOR ELECTRONIC CONTROL P.C. BOARD RT13 TAB3 230V~ RT12 DB111 T111 TO OUTDOOR UNIT RT11 12-24V NR11 CONNECTING CN201 LD104 CN211... -
Page 9: Service Functions
Mitsubishi ilmalämpöpumput huoltaa ja korjaa: Jäähdytinpalvelu RefGroup Oy SERVICE FUNCTIONS MSZ-FA25VA - MSZ-FA35VA - 8-1. TIMER SHORT MODE For service, set time can be shortened by short circuit of JPG and JPS the electronic control P.C. board. The time will be shortened as follows. (Refer to 9-7.) - Page 10 Mitsubishi ilmalämpöpumput huoltaa ja korjaa: Jäähdytinpalvelu RefGroup Oy How to release “AUTO RESTART FUNCTION” Turn off the main power for the unit. Solder the Jumper wire to JR07 on the indoor electronic control P.C. board. (Refer to 9-7.) JR07 NOTE: •...
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Page 11: Troubleshooting
Mitsubishi ilmalämpöpumput huoltaa ja korjaa: Jäähdytinpalvelu RefGroup Oy TROUBLESHOOTING MSZ-FA25VA - MSZ-FA35VA - 9-1. Cautions on troubleshooting 1. Before troubleshooting, check the following: 1) Check the power supply voltage. 2) Check the indoor/outdoor connecting wire for mis-wiring. 2. Take care the following during servicing. - Page 12 Mitsubishi ilmalämpöpumput huoltaa ja korjaa: Jäähdytinpalvelu RefGroup Oy 6. How to remove and install PLASMA DEODORIZING / AIR PURIFYING filter units If PLASMA/WASH 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.
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Page 13: Heating
Mitsubishi ilmalämpöpumput huoltaa ja korjaa: Jäähdytinpalvelu RefGroup Oy INFORMATION FOR MULTI 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. - Page 14 Mitsubishi ilmalämpöpumput huoltaa ja korjaa: Jäähdytinpalvelu RefGroup Oy 9-2. Failure mode recall function 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.
- Page 15 Mitsubishi ilmalämpöpumput huoltaa ja korjaa: Jäähdytinpalvelu RefGroup Oy 2. Flow chart of PLASMA DEODORIZING/PLASMA AIR PURIFYING power failure mode recall function Operational procedure There is a possibility that the plasma unit is abnormal. Confirm the presence of abnormality according to the following procedures. Confirm that the remote controller is in the failure mode recall function.
- Page 16 Mitsubishi ilmalämpöpumput huoltaa ja korjaa: Jäähdytinpalvelu RefGroup Oy 4. Indoor unit failure mode table NOTE: Blinking patterns of this mode differs from the ones of Troubleshooting check table(9-4.). Abnormal point POWER lamp Detection method Check point (Failure mode) Not lighted Normal –...
- Page 17 Mitsubishi ilmalämpöpumput huoltaa ja korjaa: Jäähdytinpalvelu RefGroup Oy 9-3. Instruction of troubleshooting w"Test Run operation" If blinking of OPERATION means the operation INDICATOR lamp cannot within 30 minutes after be checked, it can be checked Start EMERGNCY OPERATION with failure mode recall function. switch is pressed.
- Page 18 Mitsubishi ilmalämpöpumput huoltaa ja korjaa: Jäähdytinpalvelu RefGroup Oy 9-4. Troubleshooting check table · Flashing of POWER lamp indicates abnormalities. Lighted Blinking Not lighted NOTE : Before taking measures, make sure that the symptom reappears for accurate troubleshooting. Self check table Abnormal Operation indicator lamp Symptom...
- Page 19 Mitsubishi ilmalämpöpumput huoltaa ja korjaa: Jäähdytinpalvelu RefGroup Oy · Flashing of AREA lamp(left-hand side lamp) indicates abnormality. Lighted Blinking Not lighted NOTE : Before taking measures, make sure that the symptom reappears for accurate troubleshooting. Self check table Abnormal Operation indicator lamp Symptom Detection method Check point...
- Page 20 Mitsubishi ilmalämpöpumput huoltaa ja korjaa: Jäähdytinpalvelu RefGroup Oy 9-5. Trouble criterion of main parts MSZ-FA25VA - MSZ-FA35VA - Part name Check method and criterion Figure Room temperature Measure the resistance with a tester. (Part temperature 10˚C ~ 30˚C) thermistor(RT11) Normal...
- Page 21 Mitsubishi ilmalämpöpumput huoltaa ja korjaa: Jäähdytinpalvelu RefGroup Oy 9-6. Troubleshooting flow When POWER lamp flashes 3-time. Indoor fan does not operate. Check of indoor fan motor The indoor fan motor error has occurred, and the indoor fan doesn't operate. Turn OFF the power supply. Insert a stick such as a screw driver into the air outlet, and check if there is any catch in the rotation of the line...
- Page 22 Mitsubishi ilmalämpöpumput huoltaa ja korjaa: Jäähdytinpalvelu RefGroup Oy Indoor unit operates by pressing EMERGENCY OPERATION switch, but does not operate with the remote controller. Check of remote controller and receiver P.C. board wCheck if the remote controller is exclusive for this air conditioner. Switch on the remote controller.
- Page 23 Mitsubishi ilmalämpöpumput huoltaa ja korjaa: Jäähdytinpalvelu RefGroup Oy 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 Short circuit: Turn OFF the power supply.
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Page 24: How To Check Mis-Wiring And Serial Signal Error
Mitsubishi ilmalämpöpumput huoltaa ja korjaa: Jäähdytinpalvelu RefGroup Oy When POWER lamp flashes ON and OFF in every 0.5-second. Outdoor unit does not operate. How to check mis-wiring and serial signal error Turn OFF the power supply. Is there rated voltage of Check the power 230V AC in the power supply. - Page 25 Mitsubishi ilmalämpöpumput huoltaa ja korjaa: Jäähdytinpalvelu RefGroup Oy When All lamps flash ON and OFF every 0.5-second. Indoor unit and outdoor unit do not operate. Check of installation of the horizontal vane Start Turn OFF the power supply. Relock the stopper of the Is the stopper of the horizontal vane horizontal vane to the indoor unit.
- Page 26 Mitsubishi ilmalämpöpumput huoltaa ja korjaa: Jäähdytinpalvelu RefGroup Oy When PLASMA/WASH lamp flashes 2-time. w w The power failure mode for PLASMA DEODORIZING power is memorized when the failure mode is called. Check of PLASMA DEODORIZING power After performing the check, make sure to release the failure mode recall function. High voltage (approx.
- Page 27 Mitsubishi ilmalämpöpumput huoltaa ja korjaa: Jäähdytinpalvelu RefGroup Oy When PLASMA/WASH lamp flashes 2-time. w w The power failure mode for PLASMA AIR PURIFYING power is memorized when the failure mode is called. Check of PLASMA AIR PURIFYING power After performing the check, make sure to release the failure mode recall function. High voltage (approx.
- Page 28 Mitsubishi ilmalämpöpumput huoltaa ja korjaa: Jäähdytinpalvelu RefGroup Oy Indoor unit and outdoor unit do not operate. Check of auto front panel Turn the remote controller ON. Does the front panel automatically open? (Does it start to move?) Is the connector of the front panel driving motor unit or the indoor electric control P.C.
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Page 29: Electromagnetic Noise Enters Into Tv Sets Or Radios
Mitsubishi ilmalämpöpumput huoltaa ja korjaa: Jäähdytinpalvelu RefGroup Oy Electromagnetic noise enters into TV sets or radios Is the unit earthed? Earth the unit. Is the distance between the Extend the distance between antennas and the indoor the antennas and the indoor unit within 3m, or is the unit, or the antennas and the distance between the... - Page 30 Mitsubishi ilmalämpöpumput huoltaa ja korjaa: Jäähdytinpalvelu RefGroup Oy 9-7. Test point diagram and voltage MSZ-FA25VA - MSZ-FA35VA - Indoor electronic control P.C. board Cement resistance 5V DC 12V DC (R111) Indoor fan motor (CN211) 1311V DC 3(-) Fiducial terminal of...
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Page 31: Disassembly Instructions
2Pull the terminal while pull out the terminal pushing the locking slowly. Locking lever lever. Connector MSZ-FA25VA - MSZ-FA35VA - INDOOR UNIT OPERATING PROCEDURE PHOTOS 1. Removing the panel Photo 1 (1) Press and unlock the knobs on both sides of the front... - Page 32 Mitsubishi ilmalämpöpumput huoltaa ja korjaa: Jäähdytinpalvelu RefGroup Oy OPERATING PROCEDURE PHOTOS 2. Removing the electronic control P.C. board, the Photo 3 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.
- Page 33 Mitsubishi ilmalämpöpumput huoltaa ja korjaa: Jäähdytinpalvelu RefGroup Oy OPERATING PROCEDURE PHOTOS Photo 6 4. Removing the horizontal vane motor unit (1) Remove the horizontal vane and the panel. (Refer to 1.) Screw of the horizontal (2) Remove the screws of the horizontal vane motor unit, vane motor unit and pull out the horizontal vane motor unit.
- Page 34 Mitsubishi ilmalämpöpumput huoltaa ja korjaa: Jäähdytinpalvelu RefGroup Oy OPERATING PROCEDURE PHOTOS 7. Removing the plasma power P.C. board Photo 11 (1) Remove the horizontal vane, the panel (Refer to 1.) and the corner box. (2) Remove the switch holder and the electrical cover. Front panel Screw of the plasma (Refer to 3.)
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Page 35: Parts List
Mitsubishi ilmalämpöpumput huoltaa ja korjaa: Jäähdytinpalvelu RefGroup Oy PARTS LIST MSZ-FA25VA - (WH) MSZ-FA35VA - (WH) 11-1. INDOOR UNIT STRUCTURAL PARTS 11-2. ACCESSORY AND REMOTE CONTROLLER 11-1. INDOOR UNIT STRUCTURAL PARTS Q'ty/unit Symbol Remarks Part No. Part name in Wiring... - Page 36 Mitsubishi ilmalämpöpumput huoltaa ja korjaa: Jäähdytinpalvelu RefGroup Oy MSZ-FA25VA - (WH) MSZ-FA35VA - (WH) 11-3. INDOOR UNIT ELECTRICAL PARTS AND FUNCTIONAL PARTS SAFETY PLASMA DEVICE POWER (PLASMA UNIT) P.C.BOARD SLEEVE BEARING INTERLOCK SWITCH (FAN) SW P.C. BOARD POWER MONITOR RECEIVER P.C. BOARD...
- Page 37 Mitsubishi ilmalämpöpumput huoltaa ja korjaa: Jäähdytinpalvelu RefGroup Oy 11-3. INDOOR UNIT ELECTRICAL PARTS AND FUNCTIONAL PARTS Q'ty/unit Symbol in Wiring Part No. Part name Remarks MSZ-FA25VA- MSZ-FA35VA- Diagram (WH) (WH) E02 751 509 BEARING MOUNT E02 001 504 SLEEVE BEARING...
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Page 38: Optional Parts
(2) Pull the side knobs to outward and then the filter unit. forward to remove, as illustrated below. Deodorizing ceramic filter (4) Install the deodorizing ceramic filter by following the removal procedure in reverse. Model Part No. MSZ-FA25VA - MAC-305FT-E MSZ-FA35VA - www.ilmalämpöpumput.com... - Page 39 Mitsubishi ilmalämpöpumput huoltaa ja korjaa: Jäähdytinpalvelu RefGroup Oy www.ilmalämpöpumput.com...
- Page 40 Mitsubishi ilmalämpöpumput huoltaa ja korjaa: Jäähdytinpalvelu RefGroup Oy 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 6 New publication, effective Jan. 2005 Specifications subject to change without notice.