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Manuel d’utilisation Mitsubishi Electronics MXZ-3B24NA

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Summary
  • Mitsubishi Electronics MXZ-3B24NA - page 1

    Models SER VICE MANUAL CONTENTS 1. TECHNICAL CHANGES ··································· 2 2. P ART NAMES AND FUNCTIONS ····················· 2 3. SPECIFICA TION ················································ 3 4. NOISE CRITERIA CURVES ···· ...

  • Mitsubishi Electronics MXZ-3B24NA - page 2

    TECHNICAL CHANGES 2 1 P ART NAMES AND FUNCTIONS 2 MXZ-2B20NA Air outlet Drain outlet Air inlet (Back and side) Revision B: • MXZ-3B24NA and MXZ-4B36NA have been added. MXZ-2B20NA New model MXZ-2B20NA MXZ-2B20NA - 1 1. Outdoor fan motor has been changed. 2. Outdoor electronic control P .C. board has been changed. 3. LEV coil has been changed. MXZ- ...

  • Mitsubishi Electronics MXZ-3B24NA - page 3

    3 SPECIFICA TION 3 Item Outdoor model Indoor type Non-Duct (09+09) Duct (09+12) Capacity Power consumption EER SEER HSPF IV (V) COP External finish Power supply Max. fuse size (time delay) Min. circuit ampacity Fan motor Compressor Refrigerant control Sound level Defrost method Dimensions Weight Remote controller Control voltage (by built-in transf ...

  • Mitsubishi Electronics MXZ-3B24NA - page 4

    4 Item Outdoor model Indoor type Non-Duct (06+06+09) Duct (09+09+09) Capacity Power consumption EER SEER HSPF IV (V) COP External finish Power supply Max. fuse size (time delay) Min. circuit ampacity Fan motor Compressor Refrigerant control Sound level Defrost method Dimensions Weight Remote controller Control voltage (by built-in transformer) Refr ...

  • Mitsubishi Electronics MXZ-3B24NA - page 5

    5 Item Outdoor model Indoor type Non-Duct (06+06+09) Duct (09+09+09) Capacity Power consumption EER SEER HSPF IV (V) COP External finish Power supply Max. fuse size (time delay) Min. circuit ampacity Fan motor Compressor Refrigerant control Sound level Defrost method Dimensions Weight Remote controller Control voltage (by built-in transformer) Refr ...

  • Mitsubishi Electronics MXZ-3B24NA - page 6

    6 Item Outdoor model Indoor type Non-Duct (09+09+09+09) Duct (09+09+09+09) Capacity Power consumption EER SEER HSPF IV (V) COP External finish Power supply Max. fuse size (time delay) Min. circuit ampacity Fan motor Compressor Refrigerant control Sound level Defrost method Dimensions Weight Remote controller Control voltage (by built-in transformer ...

  • Mitsubishi Electronics MXZ-3B24NA - page 7

    7 90 80 70 60 50 40 30 20 10 63 125 250 500 1000 2000 4000 8000 APPROXIMA TE THRESHOLD OF HEARING FOR CONTINUOUS NOISE NC-60 NC-50 NC-40 NC-30 NC-20 NC-70 OCT AVE BAND SOUND PRESSURE LEVEL, 0dB = 0.0002 MICRO BAR BAND CENTER FREQUENCIES, Hz Cooling High FUNCTION FAN SPEED Heating High 49 SPL(dB (A) ) 51 LINE NOISE CRITERIA CUR VES 4 MXZ-2B20NA 90 8 ...

  • Mitsubishi Electronics MXZ-3B24NA - page 8

    8 OUTLINES AND DIMENSIONS 5 MXZ-2B20NA Unit: inch LIQ 1/4"FLARE GAS 3/8"FLARE Unit B Unit A LIQ GAS GAS LIQ 1-3/16" 1/2" 13" 2-5/8" 7-7/8" 9-7/16" 14-3/16" 1 1-3/4" 27-15/16" 1-3/16" 33-1/16" (Bolt Pitch) 3- (1-5/16") Drain Hole 4-(13/32"×13/16") Oval Hole (Foundation ...

  • Mitsubishi Electronics MXZ-3B24NA - page 9

    9 MXZ-3B24NA MXZ-3B30NA Unit: inch A B C 15/16" 7/16" 5/8" 5/8" 1-1/16" 1-9/16" 14" 15-1/4" 10-5/8" 9-27/32" 1-3/8" 19-1 1/16" 7-7/8" 7-7/8" 2-29/32" 1-3/8" (Bolt pitch) Air in Air out Air in 2-(15/32" x 1-13/32") Oval hole 2-U Shaped notched hole (Base bolt M ...

  • Mitsubishi Electronics MXZ-3B24NA - page 10

    10 MXZ-4B36NA A B C D 15/16" 7/16" 5/8" 5/8" 1-1/16" 1-9/16" 14" 15-1/4" 10-5/8" 9-27/32" 1-3/8" 19-1 1/16" 7-7/8" 7-7/8" 2-29/32" 1-3/8" (Bolt pitch) Air in Air out Air in 2-(15/32" x 1-13/32") Oval hole 2-U Shaped notched hole (Base bolt M10) 3- 7/8"Pun ...

  • Mitsubishi Electronics MXZ-3B24NA - page 11

    11 WIRING DIAGRAM 6 MXZ-2B20NA MXZ-2B20NA - 1 ...

  • Mitsubishi Electronics MXZ-3B24NA - page 12

    12 MXZ-3B24NA MXZ-3B30NA MXZ-4B36NA ...

  • Mitsubishi Electronics MXZ-3B24NA - page 13

    13 Stop valve with service port Stop valve Strainer #100 Power receiver LEV A LEV B Oil separator Compressor Defrost thermistor RT61 Distributor Muffler 4-way valve LEV E Indoor unit B Indoor unit A Indoor unit A Indoor unit B Capillary tube O.D.0.14 x I.D.0.09 x 19.68 Capillary tube O.D.0.10 x I.D.0.02 x 39.37 Capillary tube O.D.0.16 x I.D.0.1 1 x ...

  • Mitsubishi Electronics MXZ-3B24NA - page 14

    14 Refrigerant pipe diameter is different according to indoor unit to be connected. When using extension pipes, refer to the tables below . When the diameter of refrigerant pipe is different from that of outdoor unit union, use optional Different-diameter pipe. For further information on Different-diameter pipe, see the appropriate parts catalog, O ...

  • Mitsubishi Electronics MXZ-3B24NA - page 15

    15 Stop valve (with service port) Stop valve Power receiver LEV A LEV B LEV C Oil separator Compressor Muffler 4-way valve LEV F Indoor unit C Indoor unit B Indoor unit A Indoor unit A Indoor unit B Indoor unit C Capillary tube O.D.0.10 x I.D.0.02 x 39.37 Capillary tube O.D.0.16 x I.D.0.1 1 x 3.94 Discharge temperature thermistor RT62 Service port ...

  • Mitsubishi Electronics MXZ-3B24NA - page 16

    16 Refrigerant pipe diameter is different according to indoor unit to be connected. When using extension pipes, refer to the tables below . When the diameter of refrigerant pipe is different from that of outdoor unit union, use optional Different-diameter pipe. For further information on Different-diameter pipe, see the appropriate parts catalog, O ...

  • Mitsubishi Electronics MXZ-3B24NA - page 17

    17 Stop valve (with service port) Stop valve Power receiver LEV A LEV B LEV C Oil separator Compressor Muffler 4-way valve LEV F Indoor unit C Indoor unit B Indoor unit A Indoor unit A Indoor unit B Indoor unit C Capillary tube O.D.0.10 x I.D.0.02 x 39.37 Capillary tube O.D.0.16 x I.D.0.1 1 x 3.94 Discharge temperature thermistor RT62 Service port ...

  • Mitsubishi Electronics MXZ-3B24NA - page 18

    18 Refrigerant pipe diameter is different according to indoor unit to be connected. When using extension pipes, refer to the tables below . When the diameter of refrigerant pipe is different from that of outdoor unit union, use optional Different-diameter pipe. For further information on Different-diameter pipe, see the appropriate parts catalog, O ...

  • Mitsubishi Electronics MXZ-3B24NA - page 19

    19 D ATA 8 Model MXZ-2B20NA Indoor type Non-Duct (09+09) Duct (09+12) Item Unit Cooling Heating Cooling Heating T otal Capacity But/h 18,000 22,000 20,000 22,000 SHF – – – – – Input kW 1.44 1.65 2.19 1.78 Electrical circuit Power supply (V ,phase,Hz) 208/230, 1, 60 Input kW 1.396 1.604 2.06 1.69 Comp. current (208/230V) A 6.08/5.87 7.25/6 ...

  • Mitsubishi Electronics MXZ-3B24NA - page 20

    20 Model MXZ-4B36NA Indoor type Non-Duct (09+09+09+09) Duct (09+09+09+09) Item Unit Cooling Heating Cooling Heating T otal Capacity But/h 35,400 36,000 34,400 34,400 SHF – – – – – Input kW 3.76 3.02 3.94 3.1 Electrical circuit Outdoor unit MXZ-4B36NA Power supply (V ,phase,Hz) 208/230,1,60 Input kW 3.672 2.928 3.62 2.86 Comp. current (208 ...

  • Mitsubishi Electronics MXZ-3B24NA - page 21

    21 (2) OPERA TION Function Cooling Heating "A" Cooling steady state at rated compressor speed "B-2" Cooling steady state at rated compressor speed "B-1" Cooling steady state at minimum compressor speed Low ambient cooling steady state at minimum compressor speed Intermediate cooling steady state at intermediate compres ...

  • Mitsubishi Electronics MXZ-3B24NA - page 22

    22 MXZ-2B20NA MXZ-3B24NA MXZ-3B30NA MXZ-4B36NA The standard specifications apply only to the operation of the air conditioner under normal conditions. Since operating conditions vary according to the areas where these units are installed, the following information has been pro- vided to clarify the operating characteristics of the air conditioner u ...

  • Mitsubishi Electronics MXZ-3B24NA - page 23

    23 09 class (47Hz) 12 class (59Hz) 15 class (78Hz) Indoor unit class (Inverter output frequency) Indoor air DB temperature difference (degree) 22.1 20.5 18.7 17.1 15.3 13.7 11 . 9 10.3 8.5 6.8 32.8 30.2 27.7 25.2 22.7 20.2 17.6 15.1 12.6 10.1 40.9 37.6 34.6 31.3 28.3 25.0 22.0 18.9 15.7 12.6 06 class (31Hz) 47.5 43.7 40.1 36.5 32.8 29.2 25.6 22.0 1 ...

  • Mitsubishi Electronics MXZ-3B24NA - page 24

    24 06 class (15Hz) *24 class (56Hz) 18 class (49Hz) 15 class (33Hz) 12 class (29Hz) Indoor unit class (Inverter output frequency) Indoor air WB temperature difference (degree) 09 class (20Hz) 11 . 2 10.3 9.5 8.6 7.9 7.0 6.3 7.7 7.2 6.7 6.1 5.6 5.0 4.5 13.5 12.4 11 . 5 10.4 9.5 8.6 7.6 13.1 12.2 11 . 2 10.3 9.4 8.5 7.6 19.3 17.8 16.2 14.8 13.3 12.1 ...

  • Mitsubishi Electronics MXZ-3B24NA - page 25

    25 0 50 100 0.5 1.0 1.5 2.0 0 50 100 0.5 1.0 1.5 2.0 05 0 1 0 0 0.5 1.0 1.5 2.0 05 0 1 0 0 0.5 1.0 1.5 2.0 05 0 1 0 0 0.5 1.0 1.5 2.0 05 0 1 0 0 0.5 1.0 1.5 2.0 05 0 1 0 0 0.5 1.0 1.5 2.0 0 50 100 0.5 1.0 1.5 2.0 05 0 1 0 0 0.5 1.0 1.5 2.0 0 50 100 0.5 1.0 1.5 2.0 05 0 1 0 0 0.5 1.0 1.5 2.0 05 0 1 0 0 0.5 1.0 1.5 2.0 <COOL>Capacity Frequency ...

  • Mitsubishi Electronics MXZ-3B24NA - page 26

    26 (OUTDOOR UNIT : MXZ-3B24NA MXZ-3B30NA MXZ-4B36NA) 0 50 100 0.5 1.0 1.5 2.0 05 0 1 0 0 0.5 1.0 1.5 2.0 0 50 100 0.5 1.0 1.5 2.0 0 50 100 0.5 1.0 1.5 2.0 0 50 100 0.5 1.0 1.5 2.0 05 0 1 0 0 0.5 1.0 1.5 2.0 0 50 100 0.5 1.0 1.5 2.0 05 0 1 0 0 0.5 1.0 1.5 2.0 0 50 100 0.5 1.0 1.5 2.0 0 50 100 0.5 1.0 1.5 2.0 0 50 100 0.5 1.0 1.5 2.0 0 50 100 0.5 1.0 ...

  • Mitsubishi Electronics MXZ-3B24NA - page 27

    27 8-4. OUTDOOR LOW PRESSURE AND OUTDOOR UNIT CURRENT 1. 06-class unit in single operation (OUTDOOR UNIT : MXZ-2B20NA) (1) COOL operation Data is based on the condition of indoor humidity 50% Air flow speed: High Inverter output frequency: 40 Hz 65 70 75 80 85 90 95 100 105 1 10 1 15 120 130 140 150 160 170 Ambient temperature (°F) (°F) 86 80 75 ...

  • Mitsubishi Electronics MXZ-3B24NA - page 28

    28 2. 09-class unit in single operation (OUTDOOR UNIT : MXZ-2B20NA) (1) COOL operation Data is based on the condition of indoor humidity 50% Air flow speed: High Inverter output frequency: 40 Hz (2) HEA T operation 65 70 75 80 85 90 95 100 105 1 10 1 15 120 130 140 150 160 170 Ambient temperature (°F) (°F) 86 80 75 70 Indoor DB temperature (°F) ...

  • Mitsubishi Electronics MXZ-3B24NA - page 29

    29 3. 12-class unit in single operation (OUTDOOR UNIT : MXZ-2B20NA) (1) COOL operation 65 70 75 80 85 90 95 100 105 1 10 1 15 120 140 150 160 170 130 Ambient temperature ( ˚ F) ( ˚ F) 86 80 75 70 86 80 75 70 15 20 25 30 35 40 45 50 55 60 65 70 75 2.0 3.0 4.0 5.0 6.0 7.0 Ambient temperature ( ˚ F) 65 70 75 80 85 90 95 100 105 1 10 1 15 0.0 1.0 2. ...

  • Mitsubishi Electronics MXZ-3B24NA - page 30

    30 4. 15-class unit in single operation (OUTDOOR UNIT : MXZ-2B20NA) (1) COOL operation 65 70 75 80 85 90 95 100 105 1 10 1 15 120 130 140 150 160 170 Ambient temperature ( ˚ F) ( ˚ F) 86 80 75 70 86 80 75 70 15 20 25 30 35 40 45 50 55 60 65 70 75 2.0 3.0 4.0 5.0 6.0 7.0 Ambient temperature ( ˚ F) 65 70 75 80 85 90 95 100 105 1 10 1 15 0.0 1.0 2. ...

  • Mitsubishi Electronics MXZ-3B24NA - page 31

    31 5. 06-class unit in single operation (OUTDOOR UNIT : MXZ-3B24NA MXZ-3B30NA MXZ-4B36NA) (1) COOL operation Data is based on the condition of indoor humidity 50% Air flow speed : High Inverter output frequency : 24 Hz (2) HEA T operation <How to work fixed-frequency operation> 1. Set emergency switch to COOL or HEA T . The switch is located ...

  • Mitsubishi Electronics MXZ-3B24NA - page 32

    32 6. 09-class unit in single operation (OUTDOOR UNIT : MXZ-3B24NA MXZ-3B30NA MXZ-4B36NA) (1) COOL operation Data is based on the condition of indoor humidity 50% Air flow speed : High Inverter output frequency : 24 Hz 65 70 75 80 85 90 95 100 105 1 10 1 15 11 0 120 130 140 150 160 Ambient temperature ( ˚ F) ( ˚ F) 86 80 75 70 Indoor DB temperatu ...

  • Mitsubishi Electronics MXZ-3B24NA - page 33

    33 7. 12-class unit in single operation (OUTDOOR UNIT : MXZ-3B24NA MXZ-3B30NA MXZ-4B36NA) (1) COOL operation 65 70 75 80 85 90 95 100 105 1 10 1 15 11 0 120 130 140 150 160 Ambient temperature ( ˚ F) ( ˚ F) 86 80 75 70 86 80 75 70 15 20 25 30 35 40 45 50 55 60 65 70 75 2.0 3.0 4.0 5.0 6.0 7.0 Ambient temperature ( ˚ F) 65 70 75 80 85 90 95 100 1 ...

  • Mitsubishi Electronics MXZ-3B24NA - page 34

    34 8. 15-class unit in single operation (OUTDOOR UNIT : MXZ-3B24NA MXZ-3B30NA MXZ-4B36NA) (1) COOL operation 65 70 75 80 85 90 95 100 105 1 10 1 15 120 130 140 150 160 170 Ambient temperature ( ˚ F) ( ˚ F) 86 80 75 70 86 80 75 70 15 20 25 30 35 40 45 50 55 60 65 70 75 2.0 3.0 4.0 5.0 6.0 7.0 Ambient temperature ( ˚ F) 65 70 75 80 85 90 95 100 10 ...

  • Mitsubishi Electronics MXZ-3B24NA - page 35

    35 9. 18-class unit in single operation (OUTDOOR UNIT : MXZ-3B24NA MXZ-3B30NA MXZ-4B36NA) (1) COOL operation (2) HEA T operation 65 70 75 80 85 90 95 100 105 1 10 1 15 120 130 140 150 160 170 Ambient temperature ( ˚ F) ( ˚ F) 86 80 75 70 86 80 75 70 15 20 25 30 35 40 45 50 55 60 65 70 75 2.0 3.0 4.0 5.0 6.0 7.0 Ambient temperature ( ˚ F) 65 70 7 ...

  • Mitsubishi Electronics MXZ-3B24NA - page 36

    36 10. 24-class unit in single operation (OUTDOOR UNIT : MXZ-4B36NA) (1) COOL operation 65 70 75 80 85 90 95 100 105 1 10 1 15 130 140 150 160 170 180 Ambient temperature ( ˚ F) ( ˚ F) 15 20 25 30 35 40 45 50 55 60 65 70 75 2.0 3.0 4.0 5.0 6.0 7.0 Ambient temperature ( ˚ F) 65 70 75 80 85 90 95 100 105 1 10 1 15 1.0 2.0 3.0 4.0 5.0 6.0 7.0 Ambie ...

  • Mitsubishi Electronics MXZ-3B24NA - page 37

    37 SER VICE FUNCTIONS 10 ACTUA T OR CONTROL 9 Relation between main sensor and actuator MXZ-2B20NA MXZ-3B24NA MXZ-3B30NA MXZ-4B36NA Discharge temperature thermistor Indoor coil thermistor Defrost thermistor Fin temperature thermistor Ambient temperature thermistor Outdoor heat exchanger temperature Capacity code Purpose Protection Defrosting Protec ...

  • Mitsubishi Electronics MXZ-3B24NA - page 38

    38 10-2. AUTO LINE CORRECTING <MXZ-3B24NA, MXZ-3B30NA, MXZ-4B36NA> Outdoor unit has an auto line correcting function which automatically detects and corrects improper wiring or piping. Improper wiring or piping can be automatically detected by pressing the piping/wiring correction switch (SW871). When improper wiring or piping is detected, wi ...

  • Mitsubishi Electronics MXZ-3B24NA - page 39

    39 11 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. 2) If the electronic control P .C. board seems to be defective, check the cop ...

  • Mitsubishi Electronics MXZ-3B24NA - page 40

    40 The left lamp of OPERA TION INDICA TOR lamp (Indoor unit) OFF 2-time flash 3-time flash 4-time flash 5-time flash 6-time flash 7-time flash 8-time flash Lighting Lighting Lighting Lighting Lighting Once Lighting Once Lighting T wice Lighting 3 times Lighting 4 times Lighting 9 times Once Goes out Lighting Lighting Lighting Lighting 3 times Goes ...

  • Mitsubishi Electronics MXZ-3B24NA - page 41

    41 Operation start Check the outdoor unit LED indicator . Refer to 1 1-6. "Check of power supply". • Indoor unit serial signal error Refer to 1 1-6. "How to check mis-wiring and serial signal error". • COOL or HEA T operation only Refer to 1 1-6. "Check of R.V . coil". • When cooling, room is not cool. Refer to 1 ...

  • Mitsubishi Electronics MXZ-3B24NA - page 42

    42 1 1-4. TROUBLESHOOTING CHECK T ABLE LED2 LED1 Outdoor electronic control P .C. board (Parts side) Lighting LED1 LED2 Lighting LED1(Red) LED2(Y ellow) Lighting T wice Outdoor power system • Check the connection of the compressor connecting wire. • Refer to 1 1-6. "How to check inverter/compressor". • Check the stop valve. Lighting ...

  • Mitsubishi Electronics MXZ-3B24NA - page 43

    43 Primary current protection Secondary current protection High-pressure protection Defrosting in cooling 3 times Lighting Discharge temperature protection • Check refrigerant circuit and refrigerant amount. • Refer t1 1 1-6. "Check of LEV". • Refer to 1 1-6. "Check of outdoor thermistors". 4 times Lighting Low discharge t ...

  • Mitsubishi Electronics MXZ-3B24NA - page 44

    44 1 1-5. TROUBLE CRITERION OF MAIN P ARTS MXZ-2B20NA MXZ-3B24NA MXZ-3B30NA MXZ-4B36NA Normal Discharge temperature thermistor (RT62) Fin temperature thermistor (RT64) Measure the resistance using a tester . (Part temperature: 14°F ~ 104°F) Part name Check method and criterion 1.2 k Ω ~1 . 5 6 k Ω Measure the resistance between terminals using ...

  • Mitsubishi Electronics MXZ-3B24NA - page 45

    45 Check of power supply Outdoor unit does not operate. T urn ON the power supply . No Ye s Ye s No Ye s No Ye s No Replace the power board. Check the connecting of parts of main power supply circuit. Is there voltage of 208/230 V AC in the power supply terminal block? Is the output voltage from the noise filter P .C. board 208/230 V AC? Is the inp ...

  • Mitsubishi Electronics MXZ-3B24NA - page 46

    46 Is there rated voltage in the power supply ? Is there any mis-wiring, poor contact, or wire disconnection of the indoor/outdoor connecting wire ? 1 Mis-wiring may damage indoor electronic control P .C. board during the operation. Be sure to confirm the wiring is correct before the operation starts. (Lighted or not lighted) No Ye s No Ye s Ye s N ...

  • Mitsubishi Electronics MXZ-3B24NA - page 47

    47 Check of R.V . coil No Ye s No Ye s No Ye s No Ye s No Ye s 1. Disconnect the lead wire leading to the compressor . 2. 3 minutes after turning ON the power supply , start EMERGENCY OPERA TION in HEA T mode. Is there voltage of 208/230 V AC between pin1 and pin 2 at connector CN912 ? T urn OFF the power supply of indoor and outdoor unit. 1. T urn ...

  • Mitsubishi Electronics MXZ-3B24NA - page 48

    48 Check of LEV No Ye s No Ye s T urn ON the power supply to the outdoor unit after checking LEV coil is mounted to the LEV body securely . Is "click - click" sound heard ? Or , do you feel vibration of LEV coil with your hand ? Disconnect the connectors. MXZ-2B CN791: LEV A, CN792: LEV B, CN795: LEV E MXZ-3B/4B CN791: LEV A, CN792: LEV B ...

  • Mitsubishi Electronics MXZ-3B24NA - page 49

    49 How to check inverter/compressor • When heating, room does not get warm. • When cooling, room does not get cool. No No Ye s Ye s Ye s No Ye s No Disconnect the terminal of the compressor . 3 minutes after turning ON the power supply , start EMERGENCY OPERA TION. Is output balanced ? Clarify the causes by counting time until the inverter stop ...

  • Mitsubishi Electronics MXZ-3B24NA - page 50

    50 Check of outdoor thermistors • When thermistor is abnormal. Thermistor Defrost Discharge temperature Outdoor heat exchanger temperature Ambient temperature Fin temperature Symbol RT6 1 RT6 2 RT6 8 RT6 5 RT6 4 Connector , Pin No. Between CN661 pin1 and pin2 Between CN661 pin3 and pin4 Between CN661 pin7 and pin8 Between CN663 pin1 and pin2 Betw ...

  • Mitsubishi Electronics MXZ-3B24NA - page 51

    51 The other cases Indoor unit does not operate. (different operating models in multi system) • When you try to run two indoor units simultaneously , one for cooling and the other for heating, the unit which transmits signal to the outdoor units first decides the operation mode. • When the above situation occurs, set all the indoor units to the ...

  • Mitsubishi Electronics MXZ-3B24NA - page 52

    52 700 600 500 400 300 200 100 0 Resistance (k Ω ) T emperature (°F) Discharge temperature thermistor (RT62) 32 50 68 86 104 122 140 158 176 194 212 230 248 -4 14 32 50 68 86 104 100 90 80 70 60 50 40 30 20 10 0 Resistance (k Ω ) T emperature (°F) Defrost thermistor (RT61) Ambient temperature thermistor (RT65) Outdoor heat exchanger temperature ...

  • Mitsubishi Electronics MXZ-3B24NA - page 53

    53 MXZ-3B24NA MXZ-3B30NA MXZ-4B36NA LED 1 LED 2 F931 FUSE T3.15AL250V ( CN932 20-90 V AC GND 5 V DC 5 V DC pulse wave ( T o fan motor (+) (–) Rush current relay (–)R.V . coil CN781 CN663 CN701 CN702 CN661 CN681 High pressure switch ( Bus-bar voltage CN801 294~370 V DC Input LED 3 Serial signal Room A 12~24 V DC CN61 1 Serial signal Room B 12~24 ...

  • Mitsubishi Electronics MXZ-3B24NA - page 54

    54 2. Noise filter P .C. board 208/230 V AC Output F64 FUSE T2AL250V { { CN901 T o electronic control P .C. board CN912 R.V . coil 208/230 V AC { CN902 T o power board CN903 T o power board F65 FUSE T6.3AL250V MXZ-2B20NA 208/230 V AC Input CN61 208/230 V AC Output MXZ-3B24NA MXZ-3B30NA MXZ-4B36NA 208/230 V AC Output F64 FUSE T2AL250V { { CN901 T o ...

  • Mitsubishi Electronics MXZ-3B24NA - page 55

    55 MXZ-2B20NA 3. Outdoor Power board (Red) (White) Connect to the compressor V oltage among phases: 5 V to 180 V Connect to the earth CN5 Primary current detection (Connect to the noise filter) CN2 Connect to the controller board (+)1-5(–): Signal transmission (T o electronic control P .C. board) 5 V DC pulse wave (+)2-5(–): Zero cross signal 3 ...

  • Mitsubishi Electronics MXZ-3B24NA - page 56

    56 MXZ-3B24NA MXZ-3B30NA MXZ-4B36NA (Red) (White) Connect to the compressor V oltage among phases: 5 V to 180 V Connect to the earth CN5 Primary current detection (Connect to the noise filter) CN2 Connect to the controller board (+)1-5(–): Signal transmission (T o electronic control P .C. board) 5 V DC pulse wave (+)2-5(–): Zero cross signal 3- ...

  • Mitsubishi Electronics MXZ-3B24NA - page 57

    57 DISASSEMBL Y INSTRUCTIONS 12 (1) Slide the sleeve and check if there is a locking lever or not. (2) The terminal with this connector has the locking mechanism. Slide the sleeve. Pull the terminal while pushing the locking lever . Hold the sleeve, and pull out the terminal slowly . The terminal which has the locking mechanism can be detached as s ...

  • Mitsubishi Electronics MXZ-3B24NA - page 58

    58 OPERA TING PROCEDURE PHOTOS 3 . Removing the fan motor (1) Remove the top panel, the service panel, and the cabinet (Photo 1, 2). (2) Disconnect the connector CN931 and CN932 on the outdoor electronic control P .C. board. (3) Remove the propeller . (4) Remove the fan motor . Photo 4 2. Removing the electronic control P .C. board (1) Remove the s ...

  • Mitsubishi Electronics MXZ-3B24NA - page 59

    59 OPERA TING PROCEDURE PHOTOS 6. Removing the reactor (1) Remove the top panel (Photo 1). (2) Remove the service panel, cabinet, back panel, and the electrical parts (Photo 1, 2, 3, 4). (3) Disconnect the reactor lead wire from the terminal of the reactor . (4) Remove the screws of the reactor , and remove the reactor (Photo 9). Photo 9 4. Removin ...

  • Mitsubishi Electronics MXZ-3B24NA - page 60

    60 1. Removing the compressor (1) Remove the screws of the top panel, and remove the top panel. (2) Remove the screws of the service panel, and remove the service panel. (3) Recover gas from the refrigerant circuit. NOTE : Recover gas from the pipes until the pressure gauge shows 0 PSIG. (4) Remove the screws of the front panel, and remove the fron ...

  • Mitsubishi Electronics MXZ-3B24NA - page 61

    61 OPERA TING PROCEDURE PHOTOS 3. Removing the 4-way valve (1) Remove the top panel (Photo 1, 2). (2) Remove the service panel, rear panel, and pipe cover (Photo 1,2). (3) Recover gas from the refrigerant circuit. NOTE : Recover gas from the pipes until the pressure gauge shows 0 PSIG. (4) Remove the electrical parts (Photo 3). (5) Detach the welde ...

  • Mitsubishi Electronics MXZ-3B24NA - page 62

    62 OPERA TING PROCEDURE PHOTOS 5. Removing the reactor (1) Remove the top panel (Photo 1, 2). (2) Disconnect the reactor lead wire. (3) Remove the screws of the reactor , and remove the reactor . Photo 8 Photo : MXZ-3B24NA Screws of the reactor ...

  • Mitsubishi Electronics MXZ-3B24NA - page 63

    63 ...

  • Mitsubishi Electronics MXZ-3B24NA - page 64

    HEAD OFFICE: TOKYO BLDG., 2-7-3, MARUNOUCHI, CHIYODA-KU, TOKYO 100-8310, JAP AN © Copyright 2009 MITSUBISHI ELECTRIC CO., L TD Distributed in Mar . 2010. No. OBH560 REVISED EDITION-C 6 Distributed in Feb. 2010. No. OBH560 REVISED EDITION-B 6 Distributed in Dec. 2009. No. OBH560 REVISED EDITION-A 5 Distributed in Sep. 2009. No. OBH560 5 Made in Jap ...

  • Mitsubishi Electronics MXZ-3B24NA - page 65

    MXZ-2B20NA MXZ-2B20NA-1 COOLING +PFQQTWPKVU +PFQQTV[RG %QQNKPIECRCEKV[$67J 2QYGTEQPUWORVKQP %WTTGPV# EQODKPCVKQP # $ 7PKV# 7PKV$ 6QVCN 9 8 8  9CNN                 ? ...

  • Mitsubishi Electronics MXZ-3B24NA - page 66

    MXZ-2B20NA MXZ-2B20NA-1 HEATING +PFQQTWPKVU +PFQQTV[RG *GCVKPIECRCEKV[$67J 2QYGTEQPUWORVKQP %WTTGPV# EQODKPCVKQP # $ 7PKV# 7PKV$ 6QVCN 9 8 8  9CNN                ...

  • Mitsubishi Electronics MXZ-3B24NA - page 67

    MXZ-3B24NA COOLING +PFQQTWPKVU +PFQQTV[RG %QQNKPIECRCEKV[$67J 2QYGTEQPUWORVKQP %WTTGPV# EQODKPCVKQP # $ % 7PKV# 7PKV$ 7PKV% 6QVCN 9 8 8  0QP&WEV               ? ...

  • Mitsubishi Electronics MXZ-3B24NA - page 68

    MXZ-3B24NA COOLING +PFQQTWPKVU +PFQQTV[RG %QQNKPIECRCEKV[$67J 2QYGTEQPUWORVKQP %WTTGPV# EQODKPCVKQP # $ % 7PKV# 7PKV$ 7PKV% 6QVCN 9 8 8 2(  0QP&WEV 0QP&WEV 0QP&WEV      ? ...

  • Mitsubishi Electronics MXZ-3B24NA - page 69

    MXZ-3B24NA HEATING +PFQQTWPKVU +PFQQTV[RG *GCVKPIECRCEKV[$67J 2QYGTEQPUWORVKQP %WTTGPV# EQODKPCVKQP # $ % 7PKV# 7PKV$ 7PKV% 6QVCN 9 8 8  0QP&WEV               ? ...

  • Mitsubishi Electronics MXZ-3B24NA - page 70

    MXZ-3B24NA HEATING +PFQQTWPKVU +PFQQTV[RG *GCVKPIECRCEKV[$67J 2QYGTEQPUWORVKQP %WTTGPV# EQODKPCVKQP # $ % 7PKV# 7PKV$ 7PKV% 6QVCN 9 8 8 2(  0QP&WEV 0QP&WEV 0QP&WEV     ? ...

  • Mitsubishi Electronics MXZ-3B24NA - page 71

    MXZ-3B30NA COOLING +PFQQTWPKVU +PFQQTV[RG %QQNKPIECRCEKV[$67J 2QYGTEQPUWORVKQP %WTTGPV# EQODKPCVKQP # $ % 7PKV# 7PKV$ 7PKV% 6QVCN 9 8 8  0QP&WEV               ? ...

  • Mitsubishi Electronics MXZ-3B24NA - page 72

    MXZ-3B30NA COOLING +PFQQTWPKVU +PFQQTV[RG %QQNKPIECRCEKV[$67J 2QYGTEQPUWORVKQP %WTTGPV# EQODKPCVKQP # $ % 7PKV# 7PKV$ 7PKV% 6QVCN 9 8 8 2(  0QP&WEV 0QP&WEV       ...

  • Mitsubishi Electronics MXZ-3B24NA - page 73

    MXZ-3B30NA COOLING +PFQQTWPKVU +PFQQTV[RG %QQNKPIECRCEKV[$67J 2QYGTEQPUWORVKQP %WTTGPV# EQODKPCVKQP # $ % 7PKV# 7PKV$ 7PKV% 6QVCN 9 8 8 2(  0QP&WEV 0QP&WEV 0QP&WEV     ? ...

  • Mitsubishi Electronics MXZ-3B24NA - page 74

    MXZ-3B30NA HEATING +PFQQTWPKVU +PFQQTV[RG *GCVKPIECRCEKV[$67J 2QYGTEQPUWORVKQP %WTTGPV# EQODKPCVKQP # $ % 7PKV# 7PKV$ 7PKV% 6QVCN 9 8 8  0QP&WEV               ? ...

  • Mitsubishi Electronics MXZ-3B24NA - page 75

    MXZ-3B30NA HEATING +PFQQTWPKVU +PFQQTV[RG *GCVKPIECRCEKV[$67J 2QYGTEQPUWORVKQP %WTTGPV# EQODKPCVKQP # $ % 7PKV# 7PKV$ 7PKV% 6QVCN 9 8 8 2(  0QP&WEV 0QP&WEV        ...

  • Mitsubishi Electronics MXZ-3B24NA - page 76

    MXZ-3B30NA HEATING +PFQQTWPKVU +PFQQTV[RG *GCVKPIECRCEKV[$67J 2QYGTEQPUWORVKQP %WTTGPV# EQODKPCVKQP # $ % 7PKV# 7PKV$ 7PKV% 6QVCN 9 8 8 2(  0QP&WEV 0QP&WEV 0QP&WEV     ? ...

  • Mitsubishi Electronics MXZ-3B24NA - page 77

    MXZ-4B36NA COOLING +PFQQTWPKVU +PFQQTV[RG %QQNKPIECRCEKV[$67J 2QYGTEQPUWORVKQP %WTTGPV# EQODKPCVKQP #$%& 7PKV# 7PKV$ 7PKV% 7PKV& 6QVCN 9 8 8  0QP&WEV             ? ...

  • Mitsubishi Electronics MXZ-3B24NA - page 78

    MXZ-4B36NA COOLING  0QP&WEV 0QP&WEV 0QP&WEV                    0QP&WEV 0QP&WEV 0QP&WEV ? ...

  • Mitsubishi Electronics MXZ-3B24NA - page 79

    MXZ-4B36NA COOLING  0QP&WEV 0QP&WEV 0QP&WEV                    0QP&WEV 0QP&WEV &WEV    ...

  • Mitsubishi Electronics MXZ-3B24NA - page 80

    MXZ-4B36NA COOLING  0QP&WEV 0QP&WEV 0QP&WEV                   0QP&WEV 0QP&WEV &WEV  ? ...

  • Mitsubishi Electronics MXZ-3B24NA - page 81

    MXZ-4B36NA COOLING  0QP&WEV 0QP&WEV 0QP&WEV 0QP&WEV                    0QP&WEV 0QP&WEV 0Q ...

  • Mitsubishi Electronics MXZ-3B24NA - page 82

    MXZ-4B36NA HEATING +PFQQTWPKVU +PFQQTV[RG *GCVKPIECRCEKV[$67J 2QYGTEQPUWORVKQP %WTTGPV# EQODKPCVKQP #$%& 7PKV# 7PKV$ 7PKV% 7PKV& 6QVCN 9 8 8  0QP&WEV             ? ...

  • Mitsubishi Electronics MXZ-3B24NA - page 83

    MXZ-4B36NA HEATING  0QP&WEV 0QP&WEV 0QP&WEV                    0QP&WEV 0QP&WEV 0QP&WEV ? ...

  • Mitsubishi Electronics MXZ-3B24NA - page 84

    MXZ-4B36NA HEATING  0QP&WEV 0QP&WEV 0QP&WEV                    0QP&WEV 0QP&WEV &WEV    ...

  • Mitsubishi Electronics MXZ-3B24NA - page 85

    MXZ-4B36NA HEATING  0QP&WEV 0QP&WEV 0QP&WEV                   0QP&WEV 0QP&WEV &WEV  ? ...

  • Mitsubishi Electronics MXZ-3B24NA - page 86

    MXZ-4B36NA HEATING  0QP&WEV 0QP&WEV 0QP&WEV 0QP&WEV                    0QP&WEV 0QP&WEV 0QP? ...

Fabricant Mitsubishi Electronics Catégorie Air Conditioner

Les documents que nous recevons du fabricant de l'appareilMitsubishi Electronics MXZ-3B24NA peuvent être divisés en plusieurs groupes. Ceux-ci sont, entre autres:
- dessins techniques Mitsubishi Electronics
- manuels d’utilisations MXZ-3B24NA
- fiches produit Mitsubishi Electronics
- dépliants
- ou étiquettes-énergie Mitsubishi Electronics MXZ-3B24NA
Tous sont importants, mais les informations les plus importantes du point de vue de l'utilisation de l'appareil se trouvent dans le manuel d’utilisation Mitsubishi Electronics MXZ-3B24NA.

Un groupe de documents appelé manuels d’utilisation est également divisé en types plus spécifiques, tels que: Manuels d’installation Mitsubishi Electronics MXZ-3B24NA, manuels d’entretien, brefs manuels ou manuels de l’utilisateur Mitsubishi Electronics MXZ-3B24NA. Selon vos besoins, vous devriez chercher le document dont vous avez besoin. Sur notre site, vous pouvez voir le manuel le plus populaire d’utilisation du produit Mitsubishi Electronics MXZ-3B24NA.

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Manuel d’utilisation complet de l’appareil Mitsubishi Electronics MXZ-3B24NA, quelle devrait-elle être?
Le manuel d’utilisation, également appelé le mode d’emploi, ou tout simplement le manuel, est un document technique destiné à aider à utiliser Mitsubishi Electronics MXZ-3B24NA par les utilisateurs. Des manuels sont généralement écrits par un rédacteur technique, mais dans un langage accessible à tous les utilisateurs Mitsubishi Electronics MXZ-3B24NA.

Le manuel d’utilisation complet Mitsubishi Electronics, devrait inclure plusieurs éléments de base. Certains d'entre eux sont moins importants, tels que: la couverture / page de titre ou pages d'auteur. Cependant, la partie restante, devrait nous fournir des informations importantes du point de vue de l'utilisateur.

1. Introduction et des conseils sur la façon d'utiliser le manuel Mitsubishi Electronics MXZ-3B24NA - Au début de chaque manuel, nous devrions trouver des indices sur la façon d'utiliser le document. Il doit contenir des informations sur l'emplacement de la table des matières Mitsubishi Electronics MXZ-3B24NA, FAQ ou des problèmes les plus fréquents - les points qui sont les plus souvent recherchés par les utilisateurs de chaque manuel
2. Table des matières - index de tous les conseils pour lMitsubishi Electronics MXZ-3B24NA qui peuvent être trouvés dans le document courant
3. Conseils sur la façon d'utiliser les fonctions de base de l’appareil Mitsubishi Electronics MXZ-3B24NA - qui devraient nous aider dans les premières étapes lors de l'utilisation Mitsubishi Electronics MXZ-3B24NA
4. Troubleshooting - séquence systématique des activités qui nous aideront à diagnostiquer et ensuite résoudre les principaux problèmes de Mitsubishi Electronics MXZ-3B24NA
5. FAQ - questions fréquemment posées
6. Détails du contact Informations sur l'endroit où chercher le contact avec le fabricant / service Mitsubishi Electronics MXZ-3B24NA dans un pays donné, si le problème ne peut être résolu par nous-mêmes.

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