Mitsubishi Electric SEZ-KD NA.TH Series Скачать руководство пользователя страница 62 | Manualshive

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62

OPERATING PROCEDURE

PHOTOS

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 front

panel.

(5) Remove the screws of the rear panel, and remove the rear

panel.

(6) Disconnect the compressor lead wire from terminal of
  compressor (U, V, W).
(7) Disconnect the outdoor electronic control P.C. board
connectors:
   CN661, CN663, CN681, CN791, CN792, CN793,

CN794

(MXZ-4B36NA)

, CN796, CN931, CN932

Disconnect the noise filter P.C. board connector:
CN912
(8) Remove the screws of the electrical parts, and remove the
electrical

parts.

(9) Remove the propeller.
(10) Remove the screws of the separator, and remove the
separator.
(11) Remove the sound proof felt (Photo 5).
(12) Detach the brazed parts of the compressor suction and dis-
charge pipes (Photo 4).
(13) Remove the compressor nuts and remove the compressor.

Photo 1

Photo 2

12-2. MXZ-3B24NA MXZ-3B30NA MXZ-4B36NA

NOTE:

Turn OFF the power supply before disassembly.

Photo 3

Screws of the top panel

Screws of the top panel

Screws of
the side panel

Screws of
the front panel

Screws of
service
panel

Screws of
the service panel

Screws of the rear panel

Screws of the electrical parts

Photo 4

Discharge pipe
brazed part

Suction pipe
brazed part

Photo : MXZ-3B24NA

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Содержание SEZ-KD NA.TH Series

Страница 1: ...UNITS COMBINATION SHEETS No OBH560 REVISED EDITION D The Slim Line From Mitsubishi Electric TM OUTDOOR UNIT MXZ 2B20NA 1 MXZ 3B24NA 1 MXZ 3B30NA 1 MXZ 4B36NA 1 MXZ 2B20NA Indoor unit service manual MSZ A NA Series OB450 MSZ FD NA Series OBH497 MSZ FE NA Series OBH542 MSZ GE NA Series OBH548 MFZ KA NA Series OBH568 SEZ KD NA TH Series SPLIT TYPE AIR CONDITIONERS HFC utilized R410A 33223 9700058 Rev...

Страница 2: ...24NA MXZ 3B24NA 1 1 Outdoor fan motor has been changed 2 Outdoor electronic control P C board has been changed MXZ 3B30NA MXZ 3B30NA 1 1 Outdoor fan motor has been changed 2 Outdoor electronic control P C board has been changed MXZ 4B36NA MXZ 4B36NA 1 1 Outdoor fan motor has been changed 2 Outdoor electronic control P C board has been changed Revision A MXZ 2B20NA 1 has been added Revision C MXZ 3...

Страница 3: ...3 PART NAMES AND FUNCTIONS 2 MXZ 2B20NA Air outlet Drain outlet Air inlet Back and side MXZ 3B24NA MXZ 3B30NA MXZ 4B36NA Air outlet Drain outlet Air inlet Back and side ...

Страница 4: ... optional parts 1 4 A B 3 8 Flared Flared 5 lb 15 oz 23 7 NEO22 18 000 22 000 14 500 1 440 1 650 1 500 12 50 18 0 8 9 7 0 3 91 20 000 22 000 12 500 2 190 1 780 1 430 9 10 15 5 8 5 6 9 3 62 Cooling Heating Mode 1 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...

Страница 5: ...ype 12 24 V DC Not supplied optional parts 1 4 A 1 2 B C 3 8 Flared Flared 7 lb 11 oz 29 4 NEO22 Cooling Heating 47 Heating 17 Cooling Heating 47 Heating 17 Cooling Cooling Heating Heating MXZ 3B24NA 1 Cooling Heating Mode 1 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 st...

Страница 6: ...ype 12 24 V DC Not supplied optional parts 1 4 A 1 2 B C 3 8 Flared Flared 7 lb 11 oz 29 4 NEO22 Cooling Heating 47 Heating 17 Cooling Heating 47 Heating 17 Cooling Cooling Heating Heating MXZ 3B30NA 1 Cooling Heating Mode 1 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 st...

Страница 7: ...supplied optional parts 1 4 A 1 2 B C D 3 8 Flared Flared 8 lb 13 oz 29 4 NEO22 Cooling Heating 47 Heating 17 Cooling Heating 47 Heating 17 Cooling Cooling Heating Heating MXZ 4B36NA 1 MXZ 4B36NA MXZ 4B36NA 1 208 V 230 V 208 V 230 V 208 V 230 V 208 V 230 V Cooling Heating Mode 1 A Cooling steady state at rated compressor speed B 2 Cooling steady state at rated compressor speed B 1 Cooling steady s...

Страница 8: ... MICRO BAR BAND CENTER FREQUENCIES Hz Cooling High FUNCTION FAN SPEED Heating High 54 SPL dB A 57 LINE 90 80 70 60 50 40 30 20 10 63 125 250 500 1000 2000 4000 8000 APPROXIMATE THRESHOLD OF HEARING FOR CONTINUOUS NOISE NC 60 NC 50 NC 40 NC 30 NC 20 NC 70 OCTAVE BAND SOUND PRESSURE LEVEL 0dB 0 0002 MICRO BAR BAND CENTER FREQUENCIES Hz Cooling High FUNCTION FAN SPEED Heating High 54 SPL dB A 49 LINE...

Страница 9: ...Lock nut Connector Grounding terminal Conduit cover Note Leave front and both sides free of obstruction Note Leave front and overhead free of obstruction Note Leave rear overhead and both sides free of obstruction 1 Installation space 2 Service space ...

Страница 10: ...pipe 3 8 B C unit 1 2 A unit More than 3 15 16 More than 19 11 16 More than 7 7 8 More than13 25 32 More than 3 15 16 More than 19 11 16 More than 13 25 32 More than 13 25 32 More than 3 15 16 SERVICE SPACE More than 3 15 16 More than 19 11 16 5 3 16 Liquid pipe 1 4 flared 35 7 16 1 3 16 4 3 4 Base bolt M10 Drain hole 3 1 5 16 Note Leave front and both sides free of obstruction Note Leave front an...

Страница 11: ...A unit More than 3 15 16 More than 19 11 16 More than 7 7 8 More than13 25 32 More than 3 15 16 More than 19 11 16 More than 13 25 32 More than 13 25 32 More than 3 15 16 SERVICE SPACE More than 3 15 16 More than 19 11 16 5 3 16 Liquid pipe 1 4 flared 35 7 16 1 3 16 4 3 4 Base bolt M10 Drain hole 3 1 5 16 Note Leave front and both sides free of obstruction Note Leave front and overhead free of obs...

Страница 12: ...12 WIRING DIAGRAM 6 MXZ 2B20NA MXZ 2B20NA 1 ...

Страница 13: ...13 MXZ 3B24NA MXZ 3B30NA MXZ 4B36NA ...

Страница 14: ...14 MXZ 3B24NA 1 MXZ 3B30NA 1 MXZ 4B36NA 1 ...

Страница 15: ...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 11 x 3 93 Capillary tube O D 0 16 x I D 0 11 x 3 93 Discharge temperature thermistor RT62 Strainer 100 Strainer 100 R V coil OFF ON Refrigerant flow in cooling Refrigerant flow in heating Ambient temperature thermistor RT65 Outdoor heat exchanger temperature thermistor RT68 FAN OUT HEX OUT Service port Service port ...

Страница 16: ...ECTION MXZ 2B20NA Operating Range MXZ 2B20NA Cooling Heating Maximum Minimum Maximum Minimum Indoor intake air temperature 95 FDB 71 FWB 67 FDB 57 FWB 80 FDB 67 FWB 70 FDB 60 FWB Outdoor intake air temperature 115 FDB 14 FDB 75 FDB 65 FWB 6 FDB 5 FWB a b Outdoor unit Indoor units 49 ft 33 ft 49 ft Max height difference Indoor unit class Extension pipe diameter 09 or less Liquid 1 4 Gas 3 8 12 Liqu...

Страница 17: ... O D 0 16 x I D 0 11 x 3 94 Discharge temperature thermistor RT62 Service port Service port Strainer 100 Strainer 100 Strainer 100 Strainer 100 R V coil OFF ON Refrigerant flow in cooling Refrigerant flow in heating Strainer 100 Distributor Outdoor heat exchanger Capillary tube O D 0 12 x I D 0 08 x 11 8 Defrost thermistor RT61 Outdoor heat exchanger temperature thermistor RT68 Ambient temperature...

Страница 18: ...irrelevant which unit is higher MAX REFRIGERANT PIPING LENGTH PIPE SIZE SELECTION MXZ 3B24NA MXZ 3B30NA Operating Range MXZ 3B24NA MXZ 3B30NA Cooling Heating Maximum Minimum Maximum Minimum Indoor intake air temperature 95 FDB 71 FWB 67 FDB 57 FWB 80 FDB 67 FWB 70 FDB 60 FWB Outdoor intake air temperature 115 FDB 14 FDB 75 FDB 65 FWB 6 FDB 5 FWB a c Outdoor unit Indoor units Max height difference ...

Страница 19: ...11 x 3 94 Discharge temperature thermistor RT62 Service port Service port Strainer 100 Strainer 100 Strainer 100 Strainer 100 R V coil OFF ON Refrigerant flow in cooling Refrigerant flow in heating Strainer 100 Distributor Outdoor heat exchanger Capillary tube O D 0 12 x I D 0 08 x 11 8 Defrost thermistor RT61 Outdoor heat exchanger temperature thermistor RT68 Ambient temperature thermistor RT65 H...

Страница 20: ...is irrelevant which unit is higher MAX REFRIGERANT PIPING LENGTH PIPE SIZE SELECTION MXZ 4B36NA Operating Range MXZ 4B36NA a b c d Outdoor unit Indoor units 49 ft 33 ft 49 ft Max height difference Cooling Heating Maximum Minimum Maximum Minimum Indoor intake air temperature 95 FDB 71 FWB 67 FDB 57 FWB 80 FDB 67 FWB 70 FDB 60 FWB Outdoor intake air temperature 115 FDB 14 FDB 75 FDB 65 FWB 6 FDB 5 F...

Страница 21: ...B ºF 95 47 95 47 WB ºF 43 43 Fan speed rpm 650 700 650 700 Airflow CFM 1485 1640 1485 1640 Model MXZ 3B24NA Indoor type Non Duct 06 06 09 Duct 09 09 09 Item Unit Cooling Heating Cooling Heating Total Capacity But h 22 000 25 000 23 600 24 600 SHF Input kW 1 76 1 75 2 46 1 9 Electrical circuit Outdoor unit MXZ 3B24NA Power supply V phase Hz 208 230 1 60 Input kW 1 694 1 681 2 28 1 78 Comp current 2...

Страница 22: ...emperature DB ºF 95 47 95 47 WB ºF 43 43 Fan speed rpm 750 750 750 750 Airflow CFM 2 068 2 068 2 068 2 068 Model MXZ 3B30NA Indoor type Non Duct 09 09 12 Duct 09 09 12 Item Unit Cooling Heating Cooling Heating Total Capacity But h 28 400 28 600 27 400 27 600 SHF Input kW 3 12 2 15 3 33 2 22 Electrical circuit Outdoor unit MXZ 3B30NA Power supply V phase Hz 208 230 1 60 Input kW 3 047 2 081 3 14 2 ...

Страница 23: ...ated compressor speed Max temperature heating at minimum compressor speed High temperature heating at minimum compressor speed Frost accumulation at rated compressor speed Frost accumulation at intermediate compressor speed DB F 80 80 80 80 80 70 70 70 70 70 70 WB F 67 67 67 67 67 60 60 60 60 60 60 Indoor DB F 95 82 82 67 87 47 17 62 47 35 35 WB F 75 65 65 53 5 69 43 15 56 5 43 33 33 Outdoor Condi...

Страница 24: ...erature and the indoor outlet air wet and dry bulb temperature for your reference at service Cooling Heating How to measure the indoor air wet and dry bulb temperature difference 1 Attach at least 2 sets of wet and dry bulb thermometers to the indoor air intake as shown in the figure and at least 2 sets of wet and dry bulb thermometers to the indoor air outlet The thermometers must be attached to ...

Страница 25: ...lb temperature F Indoor intake air Dry bulb temperature F NOTE The above broken lines are for the heating operation without any frost and defrost operation 0 8 0 9 1 0 1 1 1 2 1 3 14 23 32 41 50 59 68 77 86 95 104 113 Outdoor intake air Dry bulb temperature F Input correction factors 79 75 72 68 64 Indoor intake air Wet bulb temperature F Total input Cooling at Rated frequency 09 class 35Hz 15 cla...

Страница 26: ... Rated frequency 09 class 26Hz 12 class 32Hz 15 class 44Hz 24 class 72Hz 18 class 50Hz Indoor unit class Inverter output frequency Indoor air Dry bulb temperature difference degree 47 3 43 7 40 1 36 4 32 8 29 2 25 6 21 8 18 2 14 6 51 5 47 5 43 6 39 6 35 6 31 7 27 7 23 8 19 8 15 8 32 8 30 2 27 7 25 2 22 7 20 2 17 6 15 1 12 6 10 1 23 4 21 6 19 8 18 0 16 2 14 4 12 6 10 8 9 0 7 2 43 2 40 0 36 5 33 3 2...

Страница 27: ...y COOL Total input Hz HEAT Capacity Frequency Hz Frequency HEAT Total input Hz COOL Capacity Frequency Hz Frequency COOL Total input Hz HEAT Capacity Frequency Hz Frequency HEAT Total input Hz 2 09 class unit in single operation 3 12 class unit in single operation 4 15 class unit in single operation 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 50 100 1 0 1 5 2 0 2 5 COOL Capacity F...

Страница 28: ...l input Hz COOL Capacity Frequency Hz Frequency COOL Total input Hz HEAT Capacity Frequency Hz Frequency HEAT Total input Hz COOL Capacity Frequency Hz Frequency COOL Total input Hz HEAT Capacity Frequency Hz Frequency HEAT Total input Hz 2 09 class unit in single operation COOL Capacity Frequency Hz Frequency COOL Total input Hz HEAT Capacity Frequency Hz 1 06 class unit in single operation 3 12 ...

Страница 29: ... 0 5 0 6 0 7 0 Ambient temperature F Outdoor low pressure Outdoor unit current A Outdoor unit current A 48 Hz PSIG 40 Hz 40 Hz 65 75 70 86 80 75 70 Indoor Dry bulb temperature F Indoor Dry bulb temperature F How to work fixed frequency operation 1 Set emergency switch to COOL or HEAT The switch is located on indoor unit 2 Press emergency run ON OFF button 3 Compressor starts running at 40 Hz COOL ...

Страница 30: ... 0 7 0 Ambient temperature F Outdoor low pressure Outdoor unit current A Outdoor unit current A 48 Hz PSIG 40 Hz 40 Hz 65 75 70 86 80 75 70 Indoor Dry bulb temperature F Indoor Dry bulb temperature F How to work fixed frequency operation 1 Set emergency switch to COOL or HEAT The switch is located on indoor unit 2 Press emergency run ON OFF button 3 Compressor starts running at 40 Hz COOL or 48 Hz...

Страница 31: ...ulb temperature F Indoor Dry bulb temperature F Indoor Dry bulb temperature F Data is based on the condition of indoor humidity 50 Air flow speed High Inverter output frequency 40 Hz How to work fixed frequency operation 1 Set emergency switch to COOL or HEAT The switch is located on indoor unit 2 Press emergency run ON OFF button 3 Compressor starts running at 40 Hz COOL or 48 Hz HEAT 4 Indoor fa...

Страница 32: ...ulb temperature F Indoor Dry bulb temperature F Indoor Dry bulb temperature F Data is based on the condition of indoor humidity 50 Air flow speed High Inverter output frequency 40 Hz How to work fixed frequency operation 1 Set emergency switch to COOL or HEAT The switch is located on indoor unit 2 Press emergency run ON OFF button 3 Compressor starts running at 40 Hz COOL or 48 Hz HEAT 4 Indoor fa...

Страница 33: ...tes 5 To cancel this operation press emergency run ON OFF button or any button on remote controller 65 70 75 80 85 90 95 100 105 110 115 110 120 130 140 150 160 Ambient temperature F F 86 80 75 70 Indoor Dry bulb temperature F 65 70 75 80 85 90 95 100 105 110 115 0 0 1 0 2 0 3 0 4 0 5 0 6 0 Ambient temperature F 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...

Страница 34: ... Ambient temperature F Outdoor low pressure Outdoor unit current A Outdoor unit current A 32 Hz PSIG 24 Hz 24 Hz 65 75 70 86 80 75 70 Indoor Dry bulb temperature F Indoor Dry bulb temperature F 2 HEAT operation Data is based on the condition of outdoor humidity 75 Set air flow to High speed Inverter output frequency is 32 Hz How to work fixed frequency operation 1 Set emergency switch to COOL or H...

Страница 35: ...ndoor Dry bulb temperature F Indoor Dry bulb temperature F Indoor Dry bulb temperature F Air flow speed High Inverter output frequency 24 Hz 2 HEAT operation Data is based on the condition of indoor humidity 50 Data is based on the condition of outdoor humidity 75 Set air flow to High speed Inverter output frequency is 32 Hz How to work fixed frequency operation 1 Set emergency switch to COOL or H...

Страница 36: ...ndoor Dry bulb temperature F Indoor Dry bulb temperature F Indoor Dry bulb temperature F 2 HEAT operation Data is based on the condition of outdoor humidity 75 Set air flow to High speed Inverter output frequency is 32 Hz Air flow speed High Inverter output frequency 24 Hz Data is based on the condition of indoor humidity 50 How to work fixed frequency operation 1 Set emergency switch to COOL or H...

Страница 37: ... 24 Hz 65 70 75 Indoor Dry bulb temperature F Indoor Dry bulb temperature F Indoor Dry bulb temperature F Data is based on the condition of outdoor humidity 75 Set air flow to High speed Inverter output frequency is 32 Hz Air flow speed High Inverter output frequency 24 Hz Data is based on the condition of indoor humidity 50 How to work fixed frequency operation 1 Set emergency switch to COOL or H...

Страница 38: ...ure F Indoor Dry bulb temperature F Indoor Dry bulb temperature F 86 80 75 70 2 HEAT operation Data is based on the condition of outdoor humidity 75 Set air flow to High speed Inverter output frequency is 32 Hz Air flow speed High Inverter output frequency 24 Hz Data is based on the condition of indoor humidity 50 How to work fixed frequency operation 1 Set emergency switch to COOL or HEAT The swi...

Страница 39: ...prove start up condition the compressor is energized even while it is not operating This is to generate heat at the winding The compressor uses about 50 W when pre heat control is turned ON Pre heat control is ON at initial setting How to deactivate pre heat control Turn OFF the power supply for the air conditioner before making the setting Set the 4 of SW1 on the outdoor electronic control P C bo...

Страница 40: ... stopped Operate indoor unit after the auto line correcting is finished Pressing the switch during detection cancels this function SW871 Make sure that the valves are open and the pipes are not collapsed or clogged LED indication after cancel LED1 Red Lighting LED indication during detection LED indication after detection LED2 Yellow Lighting LED3 Green Blinking LED1 Red Lighting LED2 Yellow Light...

Страница 41: ...age of smoothing capacitor 4 When removing the electronic control P C board hold the edge of the board with care NOT to apply stress on the components 5 When connecting or disconnecting the connectors hold the housing of the connector DO NOT pull the lead wires MXZ 2B20NA MXZ 3B24NA MXZ 3B30NA MXZ 4B36NA 11 2 FAILURE MODE RECALL FUNCTION This air conditioner can memorize the abnormal condition whi...

Страница 42: ...on stop or bus bar voltage protection stop is continuously performed three times within 3 minutes after start up When thermistor shorts or opens during compressor running When 28A current flows into intelligent power module When discharge temperature exceeds 240 8 F during operation Compressor can restart if discharge temperature thermistor reads 212 F or less 3 minutes later When the outdoor heat...

Страница 43: ... Refer to 11 6 Check of LEV Check the drain pump of the indoor unit When the communication between boards protection stop is continuously performed twice Communication error occurs between the electronic control P C board and power board for more than 10 seconds Current sensor protection stop is continuously performed twice When a short or open circuit is detected in the current sensor during comp...

Страница 44: ...r the outdoor electronic control P C board Refer to 11 6 Check of bus bar voltage Bus bar voltage protection 2 13 times Goes out Outdoor fan motor Refer to 11 6 Check of outdoor fan motor Lighting 8 times Current sensor protection Replace the power board Lighting 11 times Communication between P C boards protection Check the connecting wire between outdoor electronic control P C board and power bo...

Страница 45: ...er 122 F COOL mode 104 F HEAT mode for more than 40 minutes When the frequency of the compressor is kept 80Hz or more and the discharge temperature is kept under 102 2 F for more than 20 minutes When the outdoor heat exchanger temperature exceeds 136 4 F during operation 9 times Lighting Inverter check mode Lighting Lighting Normal When the unit is operated with emergency operation switch When the...

Страница 46: ...re thermistor RT68 Measure the resistance with a tester Refer to 11 7 Test point diagram and voltage 1 Outdoor electronic control P C board or 3 Outdoor power board for the chart of thermistor Measure the resistance with a tester Before measurement hold the thermistor with your hands to warm it up Refer to 11 7 Test point diagram and voltage 1 Outdoor electronic control P C board for the chart of ...

Страница 47: ...e power supply terminal block Is the output voltage from the noise filter P C board 208 230 V AC Is the input voltage to the outdoor electronic control P C board 294 325 V DC Check the power supply cable Replace the outdoor electronic control P C board Replace the noise filter P C board Is the input voltage to the power board 208 230 V AC Replace the reactor 11 6 TROUBLESHOOTING FLOW MXZ 2B20NA MX...

Страница 48: ... of the indoor outdoor connecting wire such as the damage of the wire intermediate connection poor contact to the terminal block Replace the indoor outdoor connecting wire Is serial signal error indicated 6 minutes later Yes No Turn OFF inverter controlled lighting equipment Turn OFF the power supply and then turn ON again Press EMERGENCY OPERATION switch B Reinstall either the unit or the light a...

Страница 49: ...al resistance to R V coil Refer to 11 5 1 Disconnect the lead wire leading to the compressor 2 3 minutes after turning ON the power supply start EMERGENCY OPERATION in COOL mode Is there voltage of 208 230 V AC between pin1 and pin 2 at connector CN912 1 Turn OFF the power supply of the indoor and the outdoor unit and disconnect the connector CN781 2 3 minutes after turning ON the power supply sta...

Страница 50: ...th 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 CN793 LEV C CN794 LEV D MXZ 4B only CN796 LEV F Is there normal resistance to LEV coil Refer to 11 5 Normal Replace the outdoor electronic control P C board Replace LEV coil When cooling heat exchanger of non operating indoor unit frosts When heating non operating indoor unit gets wa...

Страница 51: ...esistance between the compressor terminals Is the resistance between each terminal normal Refer to 11 5 Is the input voltage to the outdoor electronic control P C board 370 V or more Reconnect the lead wire of compressor and turn ON the power supply to indoor and outdoor unit 3 minutes later start EMERGENCY OPERATION Replace the compressor Replace the power board 1 After the outdoor fan starts run...

Страница 52: ... between each terminal become 5 V DC and 0 V DC repeatedly Replace the outdoor fan motor Replace the outdoor electronic control P C board Disconnect CN932 from the outdoor electronic control P C board and measure the resistance of the outdoor fan motor Is the resistance of outdoor fan motor normal Refer to 11 5 Normal Yes No Abnormal Disconnect the connector in the following table and measure the ...

Страница 53: ...oard Replace the power board Blink 9 times Replace the outdoor elec tronic control P C board Turn OFF power supply before removing P C board Confirm LED1 indication lamp on the outdoor electronic con trol P C board Turn ON power supply Start operation Blink 6 times Replace the outdoor elec tronic control P C board Lighting Replace the outdoor elec tronic control P C board Blink 9 times Replace the...

Страница 54: ...C 370 V DC Input LEV Room A 12 V DC pulse wave LEV Room B 12 V DC pulse wave CN932 20 90 V AC GND 5 V 5 V DC pulse wave To fan motor Defrost thermistor RT61 Discharge temperature thermistor RT62 Outdoor heat exchanger temperature thermistor RT68 Rush current relay R V coil 1 2 V DC 15 V 15 V CN931 CN661 CN701 Signal transmission To power board 5 V DC pulse wave GND CN702 Signal reception From powe...

Страница 55: ...6 LEV F 12 V DC pulse wave Defrost thermistor RT61 Discharge temperature thermistor RT62 Outdoor heat exchanger temperature thermistor RT68 Ambient temperature thermistor RT65 Signal transmission To power board 5 V DC pulse wave Signal reception From power board 5 V DC pulse wave GND GND 15 V DC 4 14 32 50 68 86 104 100 90 80 70 60 50 40 30 20 10 0 Resistance kΩ Temperature F Defrost thermistor RT...

Страница 56: ...r board CN903 To 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 To electronic control P C board CN912 R V coil 208 230 V AC CN902 To power board CN903 To power board 208 230 V AC Input F65 FUSE T6 3AL250V CN61 208 230 V AC Output ...

Страница 57: ...r board 1 5 Signal transmission To electronic control P C board 5 V DC pulse wave 2 5 Zero cross signal 3 4 Not used 6 5 15 V 7 5 15 V Signal reception From electronic control P C board 5 V DC pulse wave CN3 Fin temperature thermistor RT64 294 370 V DC Output 1 3 200 180 160 140 120 100 80 60 40 20 0 Resistance kΩ Temperature F 32 50 68 86 104 122 140 158 176 Fin temperature thermistor RT64 DM00N0...

Страница 58: ...e controller board 1 5 Signal transmission To electronic control P C board 5 V DC pulse wave 2 5 Zero cross signal 3 4 Not used 6 5 15 V 7 5 15 V Signal reception From electronic control P C board 5 V DC pulse wave CN3 Fin temperature thermistor RT64 294 370 V DC Output 1 3 200 180 160 140 120 100 80 60 40 20 0 Resistance kΩ Temperature F 32 50 68 86 104 122 140 158 176 Fin temperature thermistor ...

Страница 59: ...r gas from the pipes until the pressure gauge shows 0 PSIG 4 Remove the screws of the cabinet and remove the cabinet 5 Remove the screws of the back panel and remove the back panel Photo 3 6 Disconnect the compressor lead wire from terminal of the compressor U V W 7 Disconnect the outdoor electronic control P C board connectors CN661 CN663 CN791 CN792 CN795 CN931 CN932 Disconnect the noise filter ...

Страница 60: ...e sub panel 2 Remove the sub panel 3 Disconnect all connectors and lead wires on the electronic control P C board 4 Remove the electronic control P C board Photo 3 Screw of the rear guard Screws of the back panel Screw of the back panel Screws of the back panel Screws of the back panel Screws of the electrical parts R V coil 4 way valve LEV coil E Expansion valve E Suction pipe brazed part Dischar...

Страница 61: ...2 3 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 4 5 Detach the brazed parts of 4 way valve and pipe Photo 7 5 Removing the expansion valve 1 Remove the top panel Photo 1 2 Remove the service panel the cabinet and the back panel Photo 1 2 3 Gas recovery is not required if the unit is pumped down...

Страница 62: ... 4B36NA CN796 CN931 CN932 Disconnect the noise filter P C board connector CN912 8 Remove the screws of the electrical parts and remove the electrical parts 9 Remove the propeller 10 Remove the screws of the separator and remove the separator 11 Remove the sound proof felt Photo 5 12 Detach the brazed parts of the compressor suction and dis charge pipes Photo 4 13 Remove the compressor nuts and rem...

Страница 63: ... not required if the unit is pumped down 3 Remove the front panel for removing LEV F Photo 1 4 Remove the electrical parts for removing LEV F Photo 3 5 Remove the LEV coils 6 Detach the brazed parts of expansion valves and pipes LEV coils Expansion valves Photo 7 2 Removing the fan motor 1 Remove the top panel the service panel and the front panel Photo 1 2 2 Disconnect the connectors CN931 and CN...

Страница 64: ...CHIYODA KU TOKYO 100 8310 JAPAN Copyright 2009 MITSUBISHI ELECTRIC CO LTD Distributed in Jan 2011 No OBH560 REVISED EDITION D 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 Japan New publication effective Jan 2011 Specifications subject to c...

Страница 65: ...T EQPUWORVKQP WTTGPV EQODKPCVKQP 7PKV 7PKV 6QVCN 9 8 8 9CNN 9CNN WEV 9CNN WEV 9CNN WEV 9CNN 9CNN 9CNN 9CNN 9CNN WEV 9CNN 9CNN 9CNN WEV 9CNN 9CNN 9CNN WEV 9CNN 9CNN 9CNN WEV WEV WEV 9CNN 9CNN 9CNN WEV WEV 9CNN WEV WEV 9CNN 9CNN 9CNN WEV WEV 9CNN WEV WEV 9CNN 9CNN 9CNN WEV WEV WEV 2 ...

Страница 66: ...T EQPUWORVKQP WTTGPV EQODKPCVKQP 7PKV 7PKV 6QVCN 9 8 8 9CNN 9CNN WEV 9CNN WEV 9CNN WEV 9CNN 9CNN 9CNN 9CNN 9CNN WEV 9CNN 9CNN 9CNN WEV 9CNN 9CNN 9CNN WEV 9CNN 9CNN 9CNN WEV WEV WEV 9CNN 9CNN 9CNN WEV WEV 9CNN WEV WEV 9CNN 9CNN 9CNN WEV WEV 9CNN WEV WEV 9CNN 9CNN 9CNN WEV WEV WEV 2 ...

Страница 67: ...42 8 52 97 12000 21000 960 2040 09 15 Non Duct Non Duct 7900 12100 20000 1760 8 72 7 89 97 12000 24000 920 2500 Non Duct Duct 7500 12500 20000 1820 9 02 8 16 97 12000 24000 940 2520 Duct Non Duct 7900 12100 20000 1820 9 02 8 16 97 12000 24000 940 2520 Duct Duct 7500 12500 20000 1880 9 32 8 43 97 12000 24000 960 2540 09 18 Non Duct Non Duct 6800 13200 20000 1720 8 52 7 71 97 12000 26000 920 2800 No...

Страница 68: ...12600 26000 1020 2660 Non Duct Duct Non Duct 5200 7700 9600 22500 1940 9 62 8 70 97 12600 26000 1020 2670 Non Duct Duct Duct 5200 7700 10100 23000 2180 10 80 9 77 97 12600 25000 1040 2690 09 09 09 Non Duct Non Duct Non Duct 7333 7333 7333 22000 1680 8 33 7 53 97 12600 27000 1000 2530 Non Duct Non Duct Duct 7300 7300 7900 22500 1940 9 62 8 70 97 12600 26500 1020 2670 Non Duct Duct Duct 7300 7900 79...

Страница 69: ...13200 23200 1940 9 62 8 70 97 11000 27400 740 2800 09 15 Non Duct Non Duct 9000 14600 23600 1760 8 72 7 89 97 11000 29000 740 2760 Non Duct Duct 9000 14600 23600 1820 9 02 8 16 97 11000 29000 740 2820 Duct Non Duct 9000 14600 23600 1820 9 02 8 16 97 11000 29000 740 2860 Duct Duct 9000 14600 23600 1880 9 32 8 43 97 11000 29000 740 2920 09 18 Non Duct Non Duct 8000 15600 23600 1700 8 43 7 62 97 1100...

Страница 70: ...0 97 11400 30200 740 2520 Non Duct Duct Non Duct 5900 8200 10800 24900 1740 8 62 7 80 97 11400 30200 740 2520 Non Duct Duct Duct 5900 8200 10600 24700 1820 9 02 8 16 97 11400 29800 740 2560 09 09 09 Non Duct Non Duct Non Duct 8333 8333 8333 25000 1660 8 23 7 44 97 11400 30600 740 2480 Non Duct Non Duct Duct 8300 8300 8200 24800 1740 8 62 7 80 97 11400 30200 740 2520 Non Duct Duct Duct 8300 8200 82...

Страница 71: ...2 8 25 97 12000 18000 960 1840 09 12 Non Duct Non Duct 9000 12000 21000 1940 9 62 8 70 97 12000 21000 920 1940 Non Duct Duct 9000 12000 21000 1990 9 86 8 92 97 12000 21000 940 1990 Duct Non Duct 9000 12000 21000 1990 9 86 8 92 97 12000 21000 940 1990 Duct Duct 9000 12000 21000 2040 10 11 9 14 97 12000 21000 960 2040 09 15 Non Duct Non Duct 9000 15000 24000 2500 12 39 11 21 97 12000 24000 920 2500 ...

Страница 72: ... 27500 2640 13 08 11 83 97 12600 27500 1000 2640 Non Duct Non Duct Duct 6500 9000 12000 27500 2660 13 18 11 92 97 12600 27500 1020 2660 Non Duct Duct Non Duct 6500 9000 12000 27500 2670 13 23 11 97 97 12600 27500 1020 2670 Non Duct Duct Duct 6500 9000 12000 27500 2690 13 33 12 06 97 12600 27500 1040 2690 06 09 15 Non Duct Non Duct Non Duct 6200 8700 13500 28400 3120 15 46 13 98 97 12600 28400 1000...

Страница 73: ... 12600 28400 1020 3190 Non Duct Duct Non Duct 7100 6600 14200 27900 3190 15 81 14 30 97 12600 27900 1020 3190 Non Duct Duct Duct 7100 6600 14200 27900 3260 16 16 14 61 97 12600 27900 1040 3260 Duct Duct Non Duct 6600 6600 14200 27400 3260 16 16 14 61 97 12600 27400 1040 3260 Duct Duct Duct 6600 6600 14200 27400 3330 16 50 14 93 97 12600 27400 1060 3330 09 12 12 Non Duct Non Duct Non Duct 7800 1030...

Страница 74: ... 10900 21800 1700 8 43 7 62 97 11000 31000 740 2560 09 12 Non Duct Non Duct 10900 14400 25300 1980 9 81 8 87 97 11000 33000 740 2800 Non Duct Duct 10900 13600 24500 1980 9 81 8 87 97 11000 33000 740 2800 Duct Non Duct 10900 14400 25300 1980 9 81 8 87 97 11000 33000 740 2800 Duct Duct 10900 13600 24500 1980 9 81 8 87 97 11000 33000 740 2800 09 15 Non Duct Non Duct 10100 16900 27000 2200 10 90 9 86 ...

Страница 75: ...t 6800 9400 12400 28600 2150 10 66 9 64 97 11400 36000 740 2820 Non Duct Non Duct Duct 6900 9700 12000 28600 2150 10 66 9 64 97 11400 36000 740 2820 Non Duct Duct Non Duct 6800 8900 12400 28100 2190 10 85 9 82 97 11400 35500 740 2820 Non Duct Duct Duct 6900 9200 12000 28100 2190 10 85 9 82 97 11400 35500 740 2820 06 09 15 Non Duct Non Duct Non Duct 6100 8500 14000 28600 2150 10 66 9 64 97 11400 36...

Страница 76: ...64 97 11400 36000 740 2820 Non Duct Duct Non Duct 7200 6700 14200 28100 2190 10 85 9 82 97 11400 35500 740 2820 Non Duct Duct Duct 7200 6700 14200 28100 2190 10 85 9 82 97 11400 35500 740 2820 Duct Duct Non Duct 6700 6700 14200 27600 2220 11 00 9 95 97 11400 35000 740 2820 Duct Duct Duct 6700 6700 14200 27600 2220 11 00 9 95 97 11400 35000 740 2820 09 12 12 Non Duct Non Duct Non Duct 7800 10400 10...

Страница 77: ...97 12000 23000 920 2500 Non Duct Duct 9000 15000 24000 2520 12 49 11 30 97 12000 24000 940 2520 Duct Non Duct 9000 14000 23000 2520 12 49 11 30 97 12000 23000 940 2520 Duct Duct 9000 15000 24000 2540 12 59 11 39 97 12000 24000 960 2540 09 18 Non Duct Non Duct 8900 17100 26000 2800 13 88 12 55 97 12000 26000 920 2800 Non Duct Duct 8900 17100 26000 2820 13 98 12 64 97 12000 26000 940 2820 Duct Non D...

Страница 78: ...5 82 97 12600 31700 1020 3530 06 12 12 Non Duct Non Duct Non Duct 6500 12000 12000 30500 3150 15 61 14 12 97 12600 30500 1000 3150 Non Duct Non Duct Duct 6500 12000 12000 30500 3170 15 71 14 21 97 12600 30500 1020 3170 Non Duct Duct Duct 6500 12000 12000 30500 3190 15 81 14 30 97 12600 30500 1040 3190 06 12 15 Non Duct Non Duct Non Duct 6400 11900 13800 32100 3500 17 35 15 69 97 12600 32100 1000 3...

Страница 79: ...10700 13400 31700 3550 17 60 15 91 97 12600 31700 1040 3550 Duct Duct Non Duct 7900 11000 12800 31700 3550 17 60 15 91 97 12600 31700 1040 3550 Duct Duct Duct 7600 10700 13400 31700 3570 17 69 16 00 97 12600 31700 1060 3570 09 12 18 Non Duct Non Duct Non Duct 7500 10000 14600 32100 3500 17 35 15 69 97 12600 32100 1000 3500 Non Duct Non Duct Duct 7500 10000 14600 32100 3520 17 45 15 78 97 12600 321...

Страница 80: ...20 2890 06 06 06 15 Non Duct Non Duct Non Duct Non Duct 6500 6500 6500 14000 33500 3210 15 59 14 10 99 12600 33500 1000 3210 Non Duct Non Duct Non Duct Duct 6500 6500 6500 15000 34500 3230 15 69 14 19 99 12600 34500 1020 3230 06 06 09 09 Non Duct Non Duct Non Duct Non Duct 6500 6500 9000 9000 31000 2790 13 55 12 25 99 12600 31000 1000 2790 Non Duct Non Duct Non Duct Duct 6500 6500 9000 9000 31000 ...

Страница 81: ...0 36000 1060 3970 09 09 09 09 Non Duct Non Duct Non Duct Non Duct 8850 8850 8850 8850 35400 3760 18 26 16 51 99 12600 36400 1000 3900 Non Duct Non Duct Non Duct Duct 8850 8850 8850 8600 35150 3800 18 45 16 69 99 12600 36000 1020 3930 Non Duct Non Duct Duct Duct 8850 8850 8600 8600 34900 3850 18 70 16 91 99 12600 35600 1040 3960 Non Duct Duct Duct Duct 8850 8600 8600 8600 34650 3900 18 94 17 13 99 ...

Страница 82: ...16900 27000 2200 10 90 9 86 97 11000 35000 740 2920 Non Duct Duct 10100 16900 27000 2200 10 90 9 86 97 11000 35000 740 2920 Duct Non Duct 10100 16900 27000 2200 10 90 9 86 97 11000 35000 740 2920 Duct Duct 10100 16900 27000 2200 10 90 9 86 97 11000 35000 740 2920 09 18 Non Duct Non Duct 9000 18000 27000 2200 10 90 9 86 97 11000 35000 740 2920 Non Duct Duct 9000 18000 27000 2200 10 90 9 86 97 11000...

Страница 83: ... 11 83 97 11400 35600 740 2820 06 12 12 Non Duct Non Duct Non Duct 7000 12700 12700 32400 2640 13 08 11 83 97 11400 36000 740 2820 Non Duct Non Duct Duct 7100 13000 12300 32400 2640 13 08 11 83 97 11400 36000 740 2820 Non Duct Duct Duct 7200 12600 12600 32400 2640 13 08 11 83 97 11400 36000 740 2820 06 12 15 Non Duct Non Duct Non Duct 6300 11600 14500 32400 2640 13 08 11 83 97 11400 36000 740 2820...

Страница 84: ...t 7800 10800 13400 32000 2640 13 08 11 83 97 11400 35600 740 2820 Duct Duct Non Duct 7900 10400 13700 32000 2640 13 08 11 83 97 11400 35600 740 2820 Duct Duct Duct 7900 10400 13700 32000 2640 13 08 11 83 97 11400 35600 740 2820 09 12 18 Non Duct Non Duct Non Duct 7600 9900 14900 32400 2640 13 08 11 83 97 11400 36000 740 2820 Non Duct Non Duct Duct 7600 9900 14900 32400 2640 13 08 11 83 97 11400 36...

Страница 85: ... 3900 06 06 06 15 Non Duct Non Duct Non Duct Non Duct 6800 6800 6800 15600 36000 3020 14 67 13 26 99 11400 43000 740 3880 Non Duct Non Duct Non Duct Duct 6800 6800 6800 15600 36000 3040 14 76 13 35 99 11400 43000 740 3900 06 06 09 09 Non Duct Non Duct Non Duct Non Duct 7500 7500 10500 10500 36000 3020 14 67 13 26 99 11400 43000 740 3880 Non Duct Non Duct Non Duct Duct 7500 7500 10500 10100 35600 3...

Страница 86: ...11400 42600 740 3930 09 09 09 09 Non Duct Non Duct Non Duct Non Duct 9000 9000 9000 9000 36000 3020 14 67 13 26 99 11400 43000 740 3880 Non Duct Non Duct Non Duct Duct 9000 9000 9000 8600 35600 3040 14 76 13 35 99 11400 42600 740 3900 Non Duct Non Duct Duct Duct 9000 9000 8600 8600 35200 3060 14 86 13 44 99 11400 42200 740 3910 Non Duct Duct Duct Duct 9000 8600 8600 8600 34800 3080 14 96 13 53 99 ...

Страница 87: ...2000 24000 940 2520 Duct Non Duct 9000 14000 23000 2520 12 49 11 30 97 12000 23000 940 2520 Duct Duct 9000 15000 24000 2540 12 59 11 39 97 12000 24000 960 2540 09 18 Non Duct Non Duct 8900 17100 26000 2800 13 88 12 55 97 12000 26000 920 2800 Non Duct Duct 8900 17100 26000 2820 13 98 12 64 97 12000 26000 940 2820 Duct Non Duct 8900 17100 26000 2820 13 98 12 64 97 12000 26000 940 2820 Duct Duct 8900...

Страница 88: ...15 82 97 12600 31700 1020 3530 06 12 12 Non Duct Non Duct Non Duct 6500 12000 12000 30500 3150 15 61 14 12 97 12600 30500 1000 3150 Non Duct Non Duct Duct 6500 12000 12000 30500 3170 15 71 14 21 97 12600 30500 1020 3170 Non Duct Duct Duct 6500 12000 12000 30500 3190 15 81 14 30 97 12600 30500 1040 3190 06 12 15 Non Duct Non Duct Non Duct 6400 11900 13800 32100 3500 17 35 15 69 97 12600 32100 1000 ...

Страница 89: ... 10700 13400 31700 3550 17 60 15 91 97 12600 31700 1040 3550 Duct Duct Non Duct 7900 11000 12800 31700 3550 17 60 15 91 97 12600 31700 1040 3550 Duct Duct Duct 7600 10700 13400 31700 3570 17 69 16 00 97 12600 31700 1060 3570 09 12 18 Non Duct Non Duct Non Duct 7500 10000 14600 32100 3500 17 35 15 69 97 12600 32100 1000 3500 Non Duct Non Duct Duct 7500 10000 14600 32100 3520 17 45 15 78 97 12600 32...

Страница 90: ...00 34500 1020 3230 06 06 09 09 Non Duct Non Duct Non Duct Non Duct 6500 6500 9000 9000 31000 2790 13 55 12 25 99 12600 31000 1000 2790 Non Duct Non Duct Non Duct Duct 6500 6500 9000 9000 31000 2820 13 69 12 38 99 12600 31000 1020 2820 Non Duct Non Duct Duct Duct 6500 6500 9000 9000 31000 2850 13 84 12 52 99 12600 31000 1040 2850 06 06 09 12 Non Duct Non Duct Non Duct Non Duct 6500 6500 9000 12000 ...

Страница 91: ...00 36000 1060 3970 09 09 09 09 Non Duct Non Duct Non Duct Non Duct 8850 8850 8850 8850 35400 3760 18 26 16 51 99 12600 36400 1000 3900 Non Duct Non Duct Non Duct Duct 8850 8850 8850 8600 35150 3800 18 45 16 69 99 12600 36000 1020 3930 Non Duct Non Duct Duct Duct 8850 8850 8600 8600 34900 3850 18 70 16 91 99 12600 35600 1040 3960 Non Duct Duct Duct Duct 8850 8600 8600 8600 34650 3900 18 94 17 13 99...

Страница 92: ...00 27000 2200 10 90 9 86 97 11000 35000 740 2920 Duct Non Duct 10100 16900 27000 2200 10 90 9 86 97 11000 35000 740 2920 Duct Duct 10100 16900 27000 2200 10 90 9 86 97 11000 35000 740 2920 09 18 Non Duct Non Duct 9000 18000 27000 2200 10 90 9 86 97 11000 35000 740 2920 Non Duct Duct 9000 18000 27000 2200 10 90 9 86 97 11000 35000 740 2920 Duct Non Duct 9000 18000 27000 2200 10 90 9 86 97 11000 350...

Страница 93: ...8 11 83 97 11400 35600 740 2820 06 12 12 Non Duct Non Duct Non Duct 7000 12700 12700 32400 2640 13 08 11 83 97 11400 36000 740 2820 Non Duct Non Duct Duct 7100 13000 12300 32400 2640 13 08 11 83 97 11400 36000 740 2820 Non Duct Duct Duct 7200 12600 12600 32400 2640 13 08 11 83 97 11400 36000 740 2820 06 12 15 Non Duct Non Duct Non Duct 6300 11600 14500 32400 2640 13 08 11 83 97 11400 36000 740 282...

Страница 94: ...ct 7800 10800 13400 32000 2640 13 08 11 83 97 11400 35600 740 2820 Duct Duct Non Duct 7900 10400 13700 32000 2640 13 08 11 83 97 11400 35600 740 2820 Duct Duct Duct 7900 10400 13700 32000 2640 13 08 11 83 97 11400 35600 740 2820 09 12 18 Non Duct Non Duct Non Duct 7600 9900 14900 32400 2640 13 08 11 83 97 11400 36000 740 2820 Non Duct Non Duct Duct 7600 9900 14900 32400 2640 13 08 11 83 97 11400 3...

Страница 95: ...0 43000 740 3900 06 06 09 09 Non Duct Non Duct Non Duct Non Duct 7500 7500 10500 10500 36000 3020 14 67 13 26 99 11400 43000 740 3880 Non Duct Non Duct Non Duct Duct 7500 7500 10500 10100 35600 3040 14 76 13 35 99 11400 42600 740 3900 Non Duct Non Duct Duct Duct 7500 7500 10100 10100 35200 3060 14 86 13 44 99 11400 42200 740 3910 06 06 09 12 Non Duct Non Duct Non Duct Non Duct 6900 6900 9600 12600...

Страница 96: ... 11400 42600 740 3930 09 09 09 09 Non Duct Non Duct Non Duct Non Duct 9000 9000 9000 9000 36000 3020 14 67 13 26 99 11400 43000 740 3880 Non Duct Non Duct Non Duct Duct 9000 9000 9000 8600 35600 3040 14 76 13 35 99 11400 42600 740 3900 Non Duct Non Duct Duct Duct 9000 9000 8600 8600 35200 3060 14 86 13 44 99 11400 42200 740 3910 Non Duct Duct Duct Duct 9000 8600 8600 8600 34800 3080 14 96 13 53 99...

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