Mitsubishi Electric MXZ-18TV Скачать руководство пользователя страница 34 | Manualshive

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34

15-1. Different-diameter pipe

Unit : mm (inch)

For different-
diameter
pipes

MXZ-18TV

MAC-454JP

Model name

51H-454

Model code

Connected pipes

diameter (mm)

Length

A

69

Length

B

{

9.52

(3/8)

{

12.7

(1/2)

Length

C

{

9.52 —

{

12.7

(3/8) (1/2)

B

A

C

15

OPTIONAL PARTS

OB280-2.qxp 01.4.4 2:41 PM Page 34

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Содержание MXZ-18TV

Страница 1: ...ING DIAGRAM 7 9 REFRIGERANT SYSTEM DIAGRAM 8 10 PERFORMANCE CURVES 9 11 MICROPROCESSOR CONTROL 14 12 TROUBLESHOOTING 19 13 DISASSEMBLY INSTRUCTIONS 29 14 PARTS LIST 32 15 OPTIONAL PARTS 34 Inverter controlled multi system Model MXZ 18TV E1 No OB280 This manual describes technical data of outdoor unit For the indoor unit refer to the service manuals No OB229 OB227 REVISED EDITION B OB252 REVISED ED...

Страница 2: ...1 MXZ 18RV MXZ 18TV 1 The combination pattern of indoor unit has increased 2 Outside dimension of the outdoor equipment changed 3 Ball valve has changed to stop valve 4 Accumulator has been removed 5 Hight pressure switch has been removed 6 Compressor has changed 7 Refrigerant filling capacity has changed 1 3kg 1 55kg E1 E1 ...

Страница 3: ...ination Unit A Unit B Cooling capacity kw Total Outdoor unit power consumption kw Current A Power factor 230V NOTE Electrical data is for outdoor unit only MXZ 18TV E1 NOTE SEH 1 6AR is equivalent to class 12 12000BTU However the combination of 12 12 has only the MSC type NOTE Electrical data is for outdoor unit only 07 09 12 07 09 07 12 09 09 09 12 12 12 90 90 90 90 90 90 90 90 4 85 5 23 6 95 9 2...

Страница 4: ...T65 66 Thermistor RT67 m m m m kW R h K h A A W A kW W A A A W mm kg dB rpm kg cc k k k k k Compressor Electrical data Fan motor Special remarks Capacity System Coefficient of performance C O P Outdoor unit power supply MXZ 18TV E1 Single phase 230V 50Hz 2 Total model name 24 Total model name 24 Max 30 chargeless 20 Max 20 10 10 1 860 20 90 0 9 08 0 38 SHV 130FEA ROTARY 1 400 U V 0 45 V W 0 45 W U...

Страница 5: ...0 8000 APPROXIMATE TERESHOLD 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 Test conditions Cooling DB35 WB24 Heating DB 7 WB 6 Cooling NOTCH Heating 48 SPL dB A 49 LINE MXZ 18TV E1 ...

Страница 6: ...int Refrigerant pipe flared 9 52 Service port Bolt pitch for installation 100mm or more 100mm or more 200mm or more 350mm or more However either the left right sides or back side should be unobstructed Basically unobstructed Even if the right left sides or back side are vacant the top has to be at least 100mm unobstructed WA WA WB WA In case of poorly ventilated place the front or the back has to ...

Страница 7: ...ic wiring refer to the indoor unit electric wiring diagram for servicing 2 Use copper conductors only For field wiring 3 Symbols below indicate Terminal block Connector NAME SYMBOL NOTES C61 C62 C65 CT61 CT62 DS61 DS62 FUSE FUSE F911 IPM L POWER FACTOR CAPACITOR SMOOTHING CAPACITOR FAN MOTOR CAPACITOR CURRENT TRANSFORMER CURRENT TRANSFORMER DIODE MODULE FUSE 20A FUSE 1A FUSE 1A POWER TRANSISTOR MO...

Страница 8: ...ng to indoor unit to be connected When using extension pipes refer to the tables below When 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 page BACK COVER Indoor unit Extension pipe diameter class Pipe diameter Liquid 6 35 1 4 Liquid 6 35 1 4 07 09 Gas 9 52 3 8 Gas 9 52 3 8 Liquid...

Страница 9: ... indoor air wet bulb 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 the position where air speed is high 2 Attach at least 2 sets of wet and dry bulb thermometers to the outdoor air intake Cover...

Страница 10: ... 50 100 150 0 5 1 0 1 5 0 50 100 150 0 5 1 0 1 5 0 50 100 150 0 5 1 0 1 5 0 50 100 150 0 5 1 0 1 5 0 50 100 150 0 5 1 0 1 5 0 50 100 150 0 5 1 0 1 5 COOL Capacity Frequency Hz Frequency COOL Total input Hz Hz HEAT Capacity Frequency Frequency HEAT Total input Hz COOL Capacity Frequency Hz Frequency COOL Total input Hz HEAT Capacity Frequency 0 50 100 150 0 5 1 0 1 5 Frequency HEAT Total input Hz C...

Страница 11: ... on indoor unit 2 Press emergency run ON OFF button 3 Compressor starts running at 55Hz COOL or 80Hz HEAT 4 Indoor fan runs at HI speed and continues for 30 minutes 5 To cancel this operation press emergency run ON OFF button or any button on remote controller Indoor Outdoor Set air flow to Hi speed Inverter output frequency is 80Hz 2 HEAT operation DB C 20 0 WB C 14 5 DB C 2 7 15 20 0 WB C 1 6 12...

Страница 12: ...emergency run ON OFF button 3 Compressor starts running at 55Hz COOL or 80Hz HEAT 4 Indoor fan runs at HI speed and continues for 30 minutes 5 To cancel this operation press emergency run ON OFF button or any button on remote controller 2Air flow speed HI 3Inverter output frequency 55Hz Indoor Outdoor Set air flow to Hi speed Inverter output frequency is 80Hz 2 HEAT operation DB C 20 0 WB C 14 5 D...

Страница 13: ...mergency run ON OFF button 3 Compressor starts running at 55Hz COOL or 80Hz HEAT 4 Indoor fan runs at HI speed and continues for 30 minutes 5 To cancel this operation press emergency run ON OFF button or any button on remote controller 2Air flow speed HI 3Inverter output frequency 55Hz Indoor Outdoor Set air flow to Hi speed Inverter output frequency is 80Hz 2 HEAT operation DB C 20 0 WB C 14 5 DB...

Страница 14: ...emperature thermistor RT63 Gas pipe temperature thermistor RT66 Gas pipe temperature thermistor RT65 Indoor Unit A Indoor Unit A Outdoor fan motor MF61 x 61 x 62 Defrost thermistor RT62 LEV A LEV B Outdoor unit control microprocessor Compressor primary current Compressor secondary current Fin temperature thermistor RT67 R V coil 21S4 Input signal Output signal MXZ 18TV E1 INVERTER MULTI SYSTEM CON...

Страница 15: ...ion adjustment in accordance with intake super heat discharge temperature is included in standard opening w1 Note LEV opening in each frequency at DRY operation and COOL operation is the same However velocity and compressor operation frequency controls are different See 11 2 Operational frequency range As far as the indoor unit velocity control goes refer to DRY operation in MICROPROCESSOR CONTROL...

Страница 16: ... minimum super heat Suction superheat S H LEV opening correction pulse more than 12 10 to12 8 to 10 6 to 8 6 or less 6 4 3 2 0 Difference of superheat LEV opening correction pulse more than 9 6 to9 3to 6 6 or less 8 6 2 0 1 Suction super heat MIN gas pipe temperature thermistor Evaporation temperature thermistor 2 Each correction w 1 Each gas pipe temperature thermistor Evaporation temperature the...

Страница 17: ...scharge temperature 2 to Target discharge temperature 5 Target discharge temperature 5 to Target discharge temperature 8 Target discharge temperature 8 to Target discharge temperature 11 Target discharge temperature 11 or less COOL 10 4 2 1 0 1 2 5 8 HEAT 8 2 1 1 0 1 1 2 6 DRY Min Max Rated Min Max Defrost Rated Note When the fan speed of indoor unit is total Lo notch restrict the maximum frequenc...

Страница 18: ...V opening is considered to be 59 pulse When it passed 60 seconds since the control has started When the discharge temperature is 90 or less Fan speed is switched according to a number of operating indoor unit and the compressor frequency Note When operation fan speed of Hi Low mode changes to VHi Hi mode by promoting those fan speeds respectively by 1 step after defrosting is operated This control...

Страница 19: ...panel the cabinet the top panel and the electronic con trol P C board 3 When removing the electronic control P C board hold the edge of the board with care NOT to apply stress on the components 4 When connecting or disconnecting the connectors hold the housing of the connector DO NOT pull the lead wires 12 2 Instruction of troubleshooting Operation start Check the outdoor unit LED indicator A Chec...

Страница 20: ...e thermistor When a short or open circuit occurs in the evaporation temperature ther mistor during compressor running Check the characteristic of the evaopra tion temperature thermistor Refer to F on page 25 Check the connector CN663 Lighting 10 times Gas pipe temperature A thermistor When a short or open circuit occurs in the gas pipe temperature A ther mistor during compressor running Check the ...

Страница 21: ...ting method Check points Symptom Outdoor unit operates 5 times Lighting Power factor detection When the compressor power factor cannot be detected Check the compressor wiring 6 times Lighting Part name Check method and criterion 12 4 Trouble criterion of main parts Measure the resistance using a tester Part temperature 10 C 40 C Defrost thermistor Evaporation Gas pipe temperature thermistor Normal...

Страница 22: ...unit 3 minutes later EMERGENCY OPERATION starts Is there voltage from 5V DC 10V DC between No 3 and N in the outdoor terminal block Replace the outdoor electronic control P C board Recheck a connected circumstance of the indoor outdoor unit connecting wire Turn on power supply No Yes Yes No No Yes Start Check the connecting of main circuit parts Is there voltage of 230V AC in the power supply term...

Страница 23: ...d Disconnect the connector CN912 in noise filter P C board and measure the resistance of R V coil to check the integrity Start 1 Disconnect the lead wire leading to the compressor 2 Turn on power supply to the indoor and outdoor unit three minutes later EMERGENCY OPERATION COOL operation starts Is there voltage of 230V AC between pin1 and pin 2 at connector CN912 1 Turn off power supply of indoor ...

Страница 24: ...nverter stops 0 to 10 seconds compressor rare short 10 to 60 seconds compressor lock 60 seconds to 5minutes refrigerant circuit defective 5 minutes or more normal Measure the voltage between each leading to the compressor U BLK V WHT V WHT W RED W RED U BLK Output voltage COOL 100V 58Hz HEAT 100V 58Hz Is voltage output W1 Turn off power supply of indoor and outdoor unit and measure the compressor ...

Страница 25: ...er EMERGENCY OPERATION starts 2 Check the voltage between pin 1 and pin 4 pin 1 and pin 5 at the fan motor connector Replace the noise filter P C board F F Check of outdoor unit thermistor Normal Yes No Abnormal Reconnect the connector CN661 CN663 and CN664 and disconnect the lead wire leading to the compressor Turn on power supply to the indoor and outdoor unit Three minutes later EMERGENCY OPERA...

Страница 26: ...he operation mode The other unit indicates as shown in the figure below When the above situation occurs set all the indoor units to the same mode turn OFF the indoor units and then turn them back ON Though the top of the indoor unit sometimes gets warm this does not mean malfunction The reason is that the refrigerant gas continuously flows into the indoor unit even while it is not operating OPERAT...

Страница 27: ...25V DC TEST POINT DIAGRAM AND VOLTAGE MXZ 18TV Outdoor Electronic control P C board E1 Gas pipe temperature A thermistor RT65 Gas pipe temperature B thermistor RT66 Defrost temperature thermistor RT62 Discharge temperature thermistor RT61 Evaporation temperature thermistor RT63 Fin temperature thermistor RT67 R V coil 12V DC Current Limit Relay 12V DC Outdoor fan Hi 12V DC Outdoor fan Lo 12V DC Ro...

Страница 28: ...28 Noise filter P C board 230V AC 50Hz Input Outdoor Fan Fan speed Hi 250V AC Outdoor Fan Fan speed Lo 250V AC 230V AC 50Hz Output Reversing valve 230V AC ...

Страница 29: ...ture thermistor CN643 LEV A CN724 LEV B CN726 4 Remove the compressor relay connector Photo 3 5 Remove the two screws fixing the relay panel and remove the inverter assembly Photo 3 3 Removing the inverter P C board 1 Remove the top panel front panel and service panel 2 Remove all the connectors the lead wire and the earth wire on the electronic control P C board 3 Remove the compressor relay conn...

Страница 30: ...front cover service panel 2 Remove the inside and outside connection electric wire next remove the back panel 3 Remove all the connectors the lead wire and the earth wire on the electronic control P C board 4 Remove the compressor relay connector Photo 3 5 Remove the two screws fixing the heat sink and pull up the inverter P C board Photo 4 6 Remove the screws fixing the transistor module Photo 4 ...

Страница 31: ...ce panel 2 Remove the inside and outside connection electric wire next remove the back panel 3 Remove the inverter assembly 4 Can have the service of compression 4 way and other refrigerant circuit 5 Remove then the part four places which welds it when you leave 4 way Photo 9 Photo 9 Welded part ...

Страница 32: ...NG CAPACITOR RT67 DS61 DS62 L RT61 RT62 RT63 RT66 RT65 21S4 TB2 TB1 C61 C62 1 2 1 1 1 1 1 1 1 1 1 1 1 1 No Parts Name Symbol in Wiring Diagram Parts No Q ty unit MXZ 18TV Remarks EVAOPRATION DISCHARGE DEFROST GAS PIPE TEMPERATURE THREMISTOR E1 T2W E87 308 T2W E45 447 M21 68K 337 T2W E87 471 T2W E87 424 T2W E66 382 T2W E87 309 T2W E87 306 T2W E87 389 T2W E64 376 T2W E75 375 T2W E87 451 T2W E45 357 ...

Страница 33: ...R PROPELLER FAN PROPELLER FAN NUT LEV ASSEMBLY STRAINER LEV 1 1 1 1 1 2 2 1 1 1 1 1 1 1 1 1 1 1 1 2 No Parts Name Symbol in Wiring Diagram Parts No Q ty unit MXZ 18TV Remarks SHV 130FEA E1 T2W E87 232 T2W E87 521 M21 68N 290 T92 501 280 T2W E87 646 M21 21J 662 M21 00A 661 T2W E87 531 T2W E87 245 M21 20A 961 T2W E87 293 T2W E87 630 M21 68K 523 M21 68N 297 T2W E87 515 T2W E87 301 M21 68N 501 M21 61G...

Страница 34: ...iameter pipe Unit mm inch For different diameter pipes MXZ 18TV MAC 454JP Model name 51H 454 Model code Connected pipes diameter mm Length A 69 Length B 9 52 3 8 12 7 1 2 Length C 9 52 12 7 3 8 1 2 B A C 15 OPTIONAL PARTS ...

Страница 35: ......

Страница 36: ... 2 3 MARUNOUCHI CHIYODA KU TOKYO100 8310 JAPAN C C Copyright 2001 MITSUBISHI ELECTRIC ENGINEERING CO LTD Distributed in Mar 2001 No OB280 49 Made in Japan New publication effective Mar 2001 Specifications subject to change without notice ...

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