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Mitsubishi Electric MSZ-FD VA Series Service Manual
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Mitsubishi Electric MSZ-FD VA Series Service Manual

Mitsubishi Electric MSZ-FD VA Series Service Manual

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SPLIT-TYPE AIR CONDITIONERS
OUTDOOR UNIT
SERVICE MANUAL
Models
MUZ-FD25VA -
MUZ-FD25VAH -
MUZ-FD35VA -
MUZ-FD35VAH -
MUZ-FD50VA -
MUZ-FD25/35
NOTE:
RoHS compliant products have <G> mark on the spec name plate.
Revision B:
• MUZ-FD50VA-
Please void OBH489 REVISED EDITION-A.
HFC
utilized
R410A
E1
,
E1
E2
E1
E1
E1
CONTENTS
1. TECHNICAL CHANGES ··································· 3
2. PART NAMES AND FUNCTIONS ····················· 4
3. SPECIFICATION ················································ 5
4. NOISE CRITERIA CURVES ······························ 8
5. OUTLINES AND DIMENSIONS ························ 9
6. WIRING DIAGRAM ·········································· 10
7. REFRIGERANT SYSTEM DIAGRAM ············· 13
8. PERFORMANCE CURVES ····························· 15
9. ACTUATOR CONTROL ··································· 29
10. SERVICE FUNCTIONS ···································· 30
11. TROUBLESHOOTING ····································· 31
12. DISASSEMBLY INSTRUCTIONS ···················· 55
PARTS CATALOG (OBB489)
has been added.
E1
No. OBH489
REVISED EDITION-B
Indoor unit service manual
MSZ-FD•VA Series (OBH488)

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Summary of Contents for Mitsubishi Electric MSZ-FD VA Series

  • Page 1: Table Of Contents

    Revision B: • MUZ-FD50VA- has been added. Please void OBH489 REVISED EDITION-A. SPLIT-TYPE AIR CONDITIONERS OUTDOOR UNIT No. OBH489 SERVICE MANUAL REVISED EDITION-B utilized R410A Models MUZ-FD25VA - MUZ-FD25VAH - MUZ-FD35VA - MUZ-FD35VAH - MUZ-FD50VA - Indoor unit service manual MSZ-FD•VA Series (OBH488) CONTENTS 1.
  • Page 2 Revision A: • MUZ-FD25VAH- has been added. • Power outlet has been corrected. Revision B: • MUZ-FD50VA- has been added.

  • Page 3: Technical Changes

    TECHNICAL CHANGES MUZ-FD25VA - MUZ-FD25VAH - MUZ-FD35VA - MUZ-FD35VAH - MUZ-FD50VA - 1. New model MUZ-FD25VAH - → MUZ-FD25VAH - 1. Power outlet 12 A, 10 A E1 : E2 :...

  • Page 4: Part Names And Functions

    PART NAMES AND FUNCTIONS MUZ-FD25VA MUZ-FD25VAH MUZ-FD35VA MUZ-FD35VAH Air inlet (back and side) Piping Drain hose Air outlet Drain outlet MUZ-FD50VA Air inlet (back and side) Piping Drain hose Air outlet Drain outlet ACCESSORIES MUZ-FD25/35VA MUZ-FD50VA Drain socket Drain cap...

  • Page 5: Specification

    SPECIFICATION Outdoor model MUZ-FD25VA MUZ-FD25VAH MUZ-FD35VA MUZ-FD35VAH Power supply Single phase, 230 V, 50 Hz Cooling 2.5 (1.1-3.5) 3.5 (1.1-4.0) 3.5 (0.8-4.0) Capacity Rated frequency (Min.-Max.) Heating 3.2 (1.5-5.5) 3.2 (1.5-6.3) 4.0 (1.5-6.3) 4.0 (1.3-7.7) : 12 Breaker Capacity : 10 Cooling Power input 1 (Total) Heating...
  • Page 6 Outdoor model MUZ-FD50VA Power supply Single phase, 230 V, 50 Hz Cooling 5.0 (1.5-5.8) Capacity Rated frequency (Min.-Max.) Heating 5.8 (1.5-7.8) Breaker Capacity Cooling 1,500 Power input 1 (Total) Heating 1,550 Cooling Running current 1 (Total) Heating Cooling Power factor 1 (Total) Heating Starting current 1 (Total) Cooling...
  • Page 7 Specifi cations and rating conditions of main electric parts Model MUZ-FD25VA MUZ-FD25VAH MUZ-FD35VA MUZ-FD35VAH Item (CT) 20 A Current transformer (CT761, CT781) 15 A Smoothing capacitor (C61, C62, C63) 620 μF 420 V (DB61) 15 A 600 V Diode module (DB65) 25 A 600 V (F61)

  • Page 8: Noise Criteria Curves

    NOISE CRITERIA CURVES MUZ-FD35VA MUZ-FD35VAH MUZ-FD25VA MUZ-FD25VAH FUNCTION SPL(dB(A)) LINE FUNCTION SPL(dB(A)) LINE COOLING COOLING HEATING HEATING NC-70 NC-70 NC-60 NC-60 NC-50 NC-50 NC-40 NC-40 NC-30 NC-30 NC-20 NC-20 NC-10 NC-10 1000 2000 4000 8000 1000 2000 4000 8000 BAND CENTER FREQUENCIES, Hz BAND CENTER FREQUENCIES, Hz Test conditions Cooling : Dry-bulb temperature 35 °C...

  • Page 9: Outlines And Dimensions

    OUTLINES AND DIMENSIONS MUZ-FD25VA MUZ-FD25VAH MUZ-FD35VA MUZ-FD35VAH Unit: mm REQUIRED SPACE Basically open 100 mm or more without any obstruction in front and on both sides of the unit. Drain hole ø42 (25/35VA) Drain hole ø33 (25/35VAH) Air in Air in Open two sides of left, right, or rear side.

  • Page 10: Wiring Diagram

    WIRING DIAGRAM MUZ-FD25VA MUZ-FD35VA...
  • Page 11 MUZ-FD25VAH MUZ-FD35VAH...
  • Page 12 MUZ-FD50VA...

  • Page 13: Refrigerant System Diagram

    REFRIGERANT SYSTEM DIAGRAM MUZ-FD25VA MUZ-FD25VAH MUZ-FD35VA MUZ-FD35VAH Unit: mm Refrigerant pipe ø9.52 4-way valve (with heat insulator) Muffler Outdoor heat exchanger Stop valve temperature (with service port) thermistor Outdoor Muffler RT68 Discharge heat Flared connection exchanger temperature thermistor RT62 Ambient Compressor temperature thermistor...
  • Page 14 MAX. REFRIGERANT PIPING LENGTH and MAX. HEIGHT DIFFERENCE Refrigerant piping: m Piping size O.D: mm Max. Length Max. Height difference Liquid MUZ-FD25 9.52 MUZ-FD35 6.35 MUZ-FD50 12.7 Indoor unit Max. Height difference Max. Length Outdoor unit ADDITIONAL REFRIGERANT CHARGE (R410A: g) Refrigerant piping length (one way) Outdoor unit Model...

  • Page 15: Performance Curves

    PERFORMANCE CURVES MUZ-FD25VA MUZ-FD25VAH MUZ-FD35VA MUZ-FD35VAH MUZ-FD50VA The standard specifications apply only to the operation of the air conditioner under normal conditions. Since operating condi- tions vary according to the areas where these units are installed, the following information has been provided to clarify the operating characteristics of the air conditioner under the conditions indicated by the performance curve.
  • Page 16 Total input (Cooling : at Rated frequency Indoor intake air Wet-bulb temperature(°C) Outdoor intake air Dry-bulb temperature (°C) Heating capacity (at Rated frequency) 17.3 20.9 25.6 16.0 19.3 23.7 14.6 17.7 21.7 13.3 16.1 19.7 12.0 14.5 17.7 10.6 12.9 15.8 11.3 13.8...
  • Page 17 8-2. CAPACITY AND INPUT CORRECTION BY OPERATIONAL FREQUENCY OF COMPRESSOR MUZ-FD25VA MUZ-FD25VAH Correction of Heating input Correction of Cooling capacity Correction of Cooling input Correction of Heating capacity 150(Hz) 150(Hz) 150(Hz) 150(Hz) The operational frequency of compressor The operational frequency of compressor The operational frequency of compressor The operational frequency of compressor MUZ-FD35VA...
  • Page 18 8-3. TEST RUN OPERATION (How to operate fixed-frequency operation) 1. Press EMERGENCY OPERATION switch to start COOL or HEAT mode (COOL: Press once, HEAT: Press twice). 2. Test run operation starts and continues to operate for 30 minutes. 3. Compressor operates at rated frequency in COOL mode or 58 Hz in HEAT mode. 4.
  • Page 19 Outdoor unit current MUZ-FD25VA MUZ-FD25VAH MUZ-FD35VA MUZ-FD35VAH 35(°C) 35(°C) 35(°C) Ambient temperature(°C) Ambient temperature(°C) Ambient temperature(°C) Ambient humidity(%) Ambient humidity(%) Ambient humidity(%) MUZ-FD50VA Ambient temperature (°C) Ambient humidity (%) HEAT operation Condition: Indoor Outdoor Dry bulb temperature (°C) 20.0 20.0 Wet bulb temperature (°C) 14.5 14.5 Operation: Test run operation (Refer to 8-3.)
  • Page 20 PERFORMANCE DATA COOL operation a t Rated frequency MUZ-FD25VA MUZ-FD25VAH CAPACITY: 2.5 kW SHF: 0.85 INPUT: 485 W OUTDOOR DB (°C) INDOOR INDOOR DB (°C) WB (°C) INPUT INPUT INPUT INPUT 2.94 1.97 0.67 2.81 1.88 0.67 2.70 1.81 0.67 2.60 1.74 0.67...
  • Page 21 PERFORMANCE DATA COOL operation a t Rated frequency MUZ-FD25VA MUZ-FD25VAH CAPACITY: 2.5 kW SHF: 0.85 INPUT: 485 W OUTDOOR DB (°C) INDOOR INDOOR DB (°C) WB (°C) INPUT INPUT INPUT 2.45 1.64 0.67 2.25 1.51 0.67 2.08 1.39 0.67 2.58 1.42 0.55 2.40...
  • Page 22 PERFORMANCE DATA COOL operation a t Rated frequency MUZ-FD35VA CAPACITY: 3.5 kW SHF: 0.85 INPUT: 850 W OUTDOOR DB (°C) INDOOR INDOOR DB (°C) WB (°C) INPUT INPUT INPUT INPUT 4.11 2.76 0.67 3.94 2.64 0.67 3.78 2.53 0.67 3.64 2.44 0.67 4.29...
  • Page 23 PERFORMANCE DATA COOL operation a t Rated frequency MUZ-FD35VA CAPACITY: 3.5 kW SHF: 0.85 INPUT: 850 W OUTDOOR DB (°C) INDOOR INDOOR DB (°C) WB (°C) INPUT INPUT INPUT 3.43 2.30 0.67 3.15 2.11 0.67 2.91 1.95 0.67 3.61 1.98 0.55 3.36 1.85...
  • Page 24 PERFORMANCE DATA COOL operation a t Rated frequency MUZ-FD35VAH CAPACITY: 3.5 kW SHF: 0.85 INPUT: 835 W OUTDOOR DB (°C) INDOOR INDOOR DB (°C) WB (°C) INPUT INPUT INPUT INPUT 4.11 2.76 0.67 3.94 2.64 0.67 3.78 2.53 0.67 3.64 2.44 0.67 4.29...
  • Page 25 PERFORMANCE DATA COOL operation a t Rated frequency MUZ-FD35VAH CAPACITY: 3.5 kW SHF: 0.85 INPUT: 835 W OUTDOOR DB (°C) INDOOR INDOOR DB (°C) WB (°C) INPUT INPUT INPUT 3.43 2.30 0.67 3.15 2.11 0.67 2.91 1.95 0.67 3.61 1.98 0.55 3.36 1.85...
  • Page 26 PERFORMANCE DATA COOL operation a t Rated frequency MUZ-FD50VA CAPACITY: 5.0 kW SHF: 0.77 INPUT: 1500 W OUTDOOR DB (°C) INDOOR INDOOR DB (°C) WB (°C) INPUT INPUT INPUT INPUT 5.88 3.47 0.59 1200 5.63 3.32 0.59 1260 5.40 3.19 0.59 1320 5.20...
  • Page 27 PERFORMANCE DATA COOL operation a t Rated frequency MUZ-FD50VA CAPACITY: 5.0 kW SHF: 0.77 INPUT: 1500 W OUTDOOR DB (°C) INDOOR INDOOR DB (°C) WB (°C) INPUT INPUT INPUT 4.90 2.89 0.59 1470 4.50 2.66 0.59 1560 4.15 2.45 0.59 1620 5.15 2.42...
  • Page 28 PERFORMANCE DATA HEAT operation at Rated frequency MUZ-FD25VA MUZ-FD25VAH CAPACITY: 3.2 kW INPUT: 610 W OUTDOOR WB (°C) INDOOR DB (°C) INPUT INPUT INPUT INPUT INPUT INPUT INPUT 2.02 2.43 2.85 3.26 3.68 4.06 4.48 1.92 2.30 2.72 3.10 3.52 3.90 4.30 1.73...

  • Page 29: Actuator Control

    ACTUATOR CONTROL MUZ-FD25VA MUZ-FD25VAH MUZ-FD35VA MUZ-FD35VAH MUZ-FD50VA 9-1. OUTDOOR FAN MOTOR CONTROL The fan motor turns ON/OFF, interlocking with the compressor. [ON] The fan motor turns ON 5 seconds before the compressor starts up. [OFF] The fan motor turns OFF 15 seconds after the compressor has stopped running. 5 seconds 15 seconds Compressor...

  • Page 30: Service Functions

    MUZ-FD50 Actuator Sensor Purpose Outdoor fan Indoor fan Compressor R.V.coil motor motor ○ ○ Discharge temperature Protection thermistor ○ Cooling: Coil frost preven- tion Indoor coil temperature ○ ○ thermistor Heating: High pressure protection ○ ○ ○ ○ ○ Defrost thermistor Heating: Defrosting ○...

  • Page 31: Troubleshooting

    TROUBLESHOOTING MUZ-FD25VA MUZ-FD25VAH MUZ-FD35VA MUZ-FD35VAH MUZ-FD50VA 11-1. CAUTIONS ON TROUBLESHOOTING 1. Before troubleshooting, check the following 1) Check the power supply voltage. 2) Check the indoor/outdoor connecting wire for miswiring. 2. Take care of the following during servicing 1) Before servicing the air conditioner, be sure to turn OFF the main unit first with the remote controller, and then after confirming the horizontal vane is closed, turn OFF the breaker and/or disconnect the power plug.
  • Page 32 11-2. 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 (11-3.) disappears, the memorized failure details can be recalled. 1.
  • Page 33 2. Flow chart of the detailed outdoor unit failure mode recall function Operational procedure The outdoor unit might be abnormal. Confi rm if outdoor unit is abnormal according to the following procedures. Confi rm that the remote controller is in the failure mode recall function. 1.
  • Page 34 3. Outdoor unit failure mode table MUZ-FD25/35 Indoor/outdoor Outdoor unit POWER lamp Abnormal point LED indication unit failure Condition Correspondence failure mode (Indoor unit) (Failure mode / protection) (Outdoor P.C. board) mode recall recall function function None (Normal) — — —...
  • Page 35 MUZ-FD50VA LED indication Indoor/outdoor (Outdoor P.C. board) POWER lamp Abnormal point unit failure Condition Correspondence (Indoor unit) (Failure mode / protection) mode recall LED1 LED2 function None (Normal) Lighting Lighting — — — 2-time fl ash Outdoor power system Lighting Lighting Overcurrent protection stop is continuously •...
  • Page 36 11-3. TROUBLESHOOTING CHECK TABLE MUZ-FD25/35 Abnormal point/ Symptom LED indication Condition Correspondence Condition Outdoor unit 1-time fl ash every Outdoor power sys- Overcurrent protection stop is continuously performed 3 times • Reconnect connector of compres- does not op- 2.5 seconds within 1 minute after the compressor gets started.
  • Page 37 MUZ-FD50VA LED indication Abnormal point/ Con- Symptom Condition Correspondence dition LED1(Red) LED2(Yellow) Outdoor unit Outdoor power system Overcurrent protection stop is continuously performed 3 times • Check the connection of the com- does not oper- within 1 minute after the compressor gets started, or when pressor connecting wire.
  • Page 38 LED indication Abnormal point/ Con- Symptom Condition Correspondence dition LED1(Red) LED2(Yellow) Primary current pro- The input current exceeds 15 A. These symptoms do not mean any Outdoor unit tection abnormality of the product, but operates. Once Lighting check the following points. Secondary current pro- The current of the compressor exceeds 13 A.
  • Page 39 11-4. TROUBLE CRITERION OF MAIN PARTS MUZ-FD25VA MUZ-FD25VAH MUZ-FD35VA MUZ-FD35VAH MUZ-FD50VA Part name Check method and criterion Figure Defrost thermistor (RT61) Ambient temperature Measure the resistance with a tester. thermistor (RT65) Refer to 11-6. "Test point diagram and voltage," 1. "Inverter P.C. Fin temperature board", or 2.
  • Page 40 11-5. TROUBLESHOOTING FLOW A How to check inverter/compressor MUZ-FD25/35 Disconnect the connector (CN61) between compressor and the intelligent power module (IPM). See 11-5. “Check of open phase”. Check the voltage between terminals. Are the voltages balanced? Replace the inverter P.C. board. Check the compressor.
  • Page 41 B Check of open phase MUZ-FD25/35 ● With the connector between the compressor and the intelligent power module disconnected, activate the inverter and check if the inverter is normal by measuring the balance of voltage between the terminals. Output voltage is 50 - 130 V. (The voltage may differ according to the tester.) <<...
  • Page 42 D Check of compressor winding MUZ-FD25/35 ● Disconnect the connector (CN61) between the compressor and intelligent power module, and measure the resistance be- tween the compressor terminals. <<Measurement point>> at 3 points BLK-WHT Measure the resistance between the lead wires at 3 points. BLK-RED WHT-RED <<Judgement>>...
  • Page 43 G Check of outdoor thermistors Disconnect the connector of thermistor in the outdoor P.C. board (see below table), and measure the resistance of thermistor. Replace the thermistor except RT64. Is the resistance of thermistor normal? When RT64 is abnormal, replace the inverter P.C. (Refer to 11-6.1.
  • Page 44 MUZ-FD50 • Heating operation does not work. Disconnect the lead wire leading to the compressor. 3 minutes after turning on the power supply, start EMERGENCY OPERATION in HEAT mode. Is there voltage of 230 VAC between pin1 and Turn off power supply of indoor and outdoor unit, and discon- pin 2 at connector CN912? nect the connector CN781 in the outdoor electronic control P.C.
  • Page 45 I Check of outdoor fan motor MUZ-FD25/35 Disconnect CN932 from the inverter P.C. board, and measure the resistance of the outdoor fan motor. Is the resistance of outdoor fan motor normal? Replace the outdoor fan motor. (Refer to 11-4.) Replace the inverter P.C. board. MUZ-FD50 Disconnect CN932 from the outdoor electronic control P.C.
  • Page 46 J Check of power supply MUZ-FD25/35 Disconnect the connector (CN61) between compressor and intelligent power module. Rectify indoor/outdoor Turn ON power supply and press connecting wire. EMERGENCY OPERATION switch. Is there voltage 230 VAC Replace the indoor Does POWER lamp on the indoor between the indoor terminal electronic control P.C.
  • Page 47 K Check of LEV (Expansion valve) Turn ON the power supply. <Preparation of the remote controller> While pressing both OPERATION SELECT button and TOO COOL button on the remote controller at the same time, press RESET button. First, release RESET button. And release the other two buttons after all LCD ex- cept the set temperature in operation display section of the remote controller is displayed after 3 seconds.
  • Page 48 L Check of inverter P.C. board MUZ-FD25/35 Check the outdoor fan motor. (Refer to 11-5. .) Is the fuse (F901) blown on the in- verter P.C. board? Inverter P.C. board (Solder side) Check the connection of the connectors (CN932) of the outdoor fan motor. If the connection is poor, make it correct.
  • Page 49 M How to check miswiring and serial signal error Turn OFF the power supply. Is there rated voltage in the Check the power supply. power supply? Turn ON the power supply. Is there rated voltage between outdoor termi- Check the wiring. nal block S1 and S2? Press EMERGENCY OPERATION switch once.
  • Page 50 N Electromagnetic noise enters into TV sets or radios Is the unit earthed? Earth the unit. Is the distance between the antennas Extend the distance between the antennas and and the indoor unit within 3 m, or is the the indoor unit, and/or the antennas and the distance between the antennas and the outdoor unit.
  • Page 51 O Check of defrost heater MUZ-FD25VAH MUZ-FD35VAH Check the following points before checking electric continuity. 1. Does the resistance of ambient temperature thermistor have the characteristics? Refer to 11-6.1. 2. Is the resistance of defrost heater normal? Refer to 11-4. 3.
  • Page 52 11-6. TEST POINT DIAGRAM AND VOLTAGE 1. Inverter P.C. board MUZ-FD25VA MUZ-FD25VAH MUZ-FD35VA MUZ-FD35VAH Smoothing Heater Smoothing Smoothing Bus-bar voltage connector capacitor capacitor capacitor Fuse (F701) DB61 Back side of unit (CN722) (C63) (C62) (C61) 250 V 3.15 A DC 260 - 300 V MUZ-FD•VAH Fuse (F801) AC 230 V...
  • Page 53 2. Outdoor electronic control P.C. board Defrost thermistor (RT61) MUZ-FD50VA Ambient temperature thermistor (RT65) Outdoor heat exchanger temperature thermistor (RT68) Fin temperature thermistor (RT64) Discharge temperature thermistor (RT62) 10 20 30 40 50 60 70 80 Temperature (°C) 100 110 120 Temperature (°C) Temperature (°C) LED 1...
  • Page 54 3. Noise filter P.C. board MUZ-FD50VA CN901 To electronic CN903 CN902 control P.C. To power To power board board board 230 VAC Input CN912 R.V. coil 230 VAC 230 VAC Output CN61 230 VAC Output F64 FUSE NR64 VARISTOR 250 V 2 A 4.

  • Page 55: Disassembly Instructions

    DISASSEMBLY INSTRUCTIONS <"Terminal with locking mechanism" Detaching points> The terminal which has the locking mechanism can be detached as shown below. There are two types (refer to (1) and (2)) of the terminal with locking mechanism. The terminal without locking mechanism can be detached by pulling it out. Check the shape of the terminal before detaching.
  • Page 56 OPERATING PROCEDURE PHOTOS 2. Removing the inverter assembly, inverter P.C. board Photo 3 (1) Remove the cabinet and panels. (Refer to 1.) (2) Disconnect the lead wire to the reactor and the following con- Screws of the nectors: relay panel <Inverter P.C.
  • Page 57 OPERATING PROCEDURE PHOTOS 5. Removing outdoor fan motor Photo 6 (1) Remove the cabinet and panels. (Refer to 1.) Outdoor heat (2) Disconnect the following connectors: exchanger tempera- <Inverter P.C. board> ture thermistor CN932 (Fan motor) (3) Remove the propeller nut. (See Photo 7) (4) Remove the propeller.
  • Page 58 12-2. MUZ-FD50VA NOTE: Turn OFF power supply before disassembling. OPERATING PROCEDURE PHOTOS 1. Removing the cabinet Photo 1 (1) Remove the screws of the service panel. Screws of the cabinet Screw of the top panel (2) Remove the screws of the top panel. (3) Remove the screw of the valve cover.
  • Page 59 OPERATING PROCEDURE PHOTOS 2. Removing the inverter assembly, outdoor electric Photo 3 (Inverter assembly) control P.C. board, power board, noise filter P.C. Screws of the power board assembly board and reactor. (1) Remove the top panel, cabinet and service panel. (Refer to (2) Remove the back panel.
  • Page 60 OPERATING PROCEDURE PHOTOS 3. Removing the defrost thermistor, discharge tempera- Photo 5 ture thermistor, outdoor heat exchanger temperature Outdoor heat Ambient tem- exchanger tempera- thermistor and ambient temperature thermistor perature ture thermistor (1) Remove the top panel, cabinet and service panel. (Refer to thermistor (2) Remove the back panel.
  • Page 61 OPERATING PROCEDURE PHOTOS 5. Removing the compressor and 4-way valve Photo 7 (1) Remove the top panel, cabinet and service panel. (Refer to Welded part of the Discharge temperature discharge pipe thermistor (2) Remove the back panel. (Refer to 1.) (3) Remove the inverter assembly.
  • Page 64 HEAD OFFICE: TOKYO BLDG., 2-7-3, MARUNOUCHI, CHIYODA-KU, TOKYO 100-8310, JAPAN © Copyright 2007 MITSUBISHI ELECTRIC CO.,LTD Distributed in Nov. 2008. No. OBH489 REVISED EDITION-B 5 Distributed in Oct. 2007. No. OBH489 REVISED EDITION-A 6 New publication, effective Nov. 2008 Distributed in Aug. 2007. No. OBH489 6 Specifications subject to change without notice.
  • Page 65 Related Links Model Number: MUZ-FD25VA MUZ-FD25-50VA_Parts_Catalog_(OBB489) MUZ-FD25-50VA_Service_Manual_(OBH489) MUZ-FD_Declaration_of_Conformity...

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