Mitsubishi Electric MUX-19TV - E1 Service Manual Download Page 32 | Manualshive

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DISASSEMBLY INSTRUCTIONS

32

11

(1)

(2)

1

Slide the sleeve.

2

Pull the terminal while

pushing the locking
lever.

1

Hold the sleeve, and

pull out the terminal
slowly.

In case of terminal with lock mechanism detach the terminal as shown below.

<"Terminal with lock mechanism" Detaching points>

OPERATING PROCEDURE

PHOTOS

1.Removing the cabinet.

(1) Remove the screws fixing the service panel.
(2) Remove the screw fixing the top panel.
(3) Remove the service panel.
(4) Remove the top panel.
(5) Remove the screws fixing the front panel.
(6) Remove the front panel.
(7) Remove the screws fixing the back panel.
(8) Remove the back panel.

11-1. MUX-19TV -

MUX-20TV -

MUX-25TV -

OUTDOOR UNIT

E1

E1

E1

Photo 2

Photo 1

Photo 3

Top panel

Front
panel

Front panel
set screws

Front panel
set screws

Top panel
set screws

Service panel

Service
panel set
screws

Back panel
set screws

Back panel
set screws

Back panel

Back panel set screws

OB284-2.qxp 01.4.26 9:00 PM Page 32

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Summary of Contents for MUX-19TV - E1

Page 1: ... 9 8 REFRIGERANT SYSTEM DIAGRAM 10 9 PERFORMANCE CURVES 14 10 TROUBLESHOOTING 26 11 DISASSEMBLY INSTRUCTIONS 32 12 PARTS LIST 35 13 OPTIONAL PARTS 37 Multi system type Models MUX 19TV MUX 20TV MUX 25TV E1 E1 E1 No OB284 MUX 19TV MUX 20TV MUX 25TV E1 E1 E1 This manual describes technical data of outdoor unit For indoor unit refer to the service manuals No OB227 REVISED EDITION B and OB252 REVISED E...

Page 2: ...2 TECHNICAL CHANGES 1 MUX 19TV MUX 20TV MUX 25TV New models E1 E1 E1 PART NAMES AND FUNCTIONS 2 OUTDOOR UNIT MUX 19TV MUX 20TV MUX 25TV E1 E1 E1 Air inlet Piping Drainage hose Air outlet Back and side ...

Page 3: ...rant filling capacity R22 Refrigerating oil Model kW R h K h A A W A kW A A A W mm kg dB rpm kg cc Opetate 1 unit A 3 5 1 6 6 01 1 280 92 6 5 68 0 33 2 65 Opetate 2 unit A B 3 5 2 2 1 6 0 8 8 94 2 005 97 5 8 37 0 57 2 74 MUX 19TV E1 Single phase 230V 50Hz Opetate 1 unit B 2 2 0 8 Hi 2 460 Lo 1 920 15 3 33 745 97 3 45 6 3 00 0 33 2 82 RH220VHAT Room A RH135VHAT Room B 1 050 650 C R 2 13 4 18 C S 3 ...

Page 4: ...65 99 2 3 90 0 33 2 70 Opetate 2 unit A B or A C 2 4 2 7 0 9 1 2 7 56 1 740 99 9 6 99 0 57 2 82 Opetate 3 unit A B C 2 4 1 75 2 0 9 0 3 2 7 79 1 785 99 6 7 22 0 57 3 12 MUX 20TV E1 Single phase 230V 50Hz Opetate 2 unit B C 1 75 2 0 3 2 High 2 460 Low 1 920 15 4 36 1 000 99 7 40 4 03 0 33 3 27 RH140VHAT Room A RH174VHAT Room B C 700 800 C R 4 03 3 30 C S 5 71 5 80 RA6V60 DA WHT BLK 90 BLK YLW 54 BL...

Page 5: ... A A A W mm kg dB rpm kg cc Opetate 1 unit A or B 3 5 1 6 6 11 1 350 96 1 5 79 0 32 2 52 Opetate 2 unit A B 3 5 2 1 6 2 12 42 2 760 96 6 11 81 0 61 2 46 MUX 25TV E1 Single phase 230V 50Hz High 2 760 Low 1 920 25 56 RH231VHAT 2 1 100 2 C R 2 13 C S 3 91 RA6V60 EA WHT BLK 67 BLK YLW 75 BLK RED 73 840 640 330 65 54 High 810 Low 580 2 Room A 0 9 Room B 0 9 520 MS56 520 MS56 Compressor Electrical data ...

Page 6: ...RO BAR BAND CENTER FREQUENCIES Hz Test conditions Cooling DB35 WB24 High SPEED 52 SPL dB A LINE MUX 19TV E1 MUX 20TV E1 90 80 70 60 50 40 30 20 10 63 125 250 500 1000 2000 4000 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 dB re 0 002 MICRO BAR BAND CENTER FREQUENCIES Hz Test conditions Cooling DB35 WB24 High SPEED 5...

Page 7: ...flared 6 35 66 2 80 7 121 3 40 438 4 Air in Air out Air in 272 9 100 3 125 6 319 8 34 330 640 360 6 75 8 50 5050 Drainage 3hoies 33 Unit mm MUX 20TV E1 OUTDOOR UNIT 500 840 61 7 264 2 1 0 1 0 Service panel Open as a rule 500mm or more if the front and both sides are open 100mm or more 200mm or more if there are obstacles to both sides Open as a rule 500mm or more if the back both sides and top are...

Page 8: ...e obstacles to both sides Open as a rule 500mm or more if the back both sides and top are open 350mm or more 100mm or more B UNIT A UNIT Gas refrigerant pipe joint Refrigerant pipe flared 12 7 Liquid refrigerant pipe joint Refrigerant pipe flared 6 35 80 7 121 3 40 438 4 Air in Air out Air in 272 9 100 3 125 6 319 8 34 330 640 360 6 75 8 50 5050 Drainage 3hoies 33 Unit mm ...

Page 9: ...APACITOR FUSE 3 15A COMPRESSOR INNER PROTECTOR NAME COMPRESSOR INNER PROTECTOR FAN MOTOR INNER PROTECTOR SURGE ABSORBER FAN MOTOR RELAY FAN MOTOR RELAY NAME TERMINAL BLOCK TERMINAL BLOCK TRANSFORMER COMPRESSOR CONTACTOR MC1 COMPRESSOR CONTACTOR MC2 1 2 3 1 2 3 1 2 3 2 1 3 3 15A 1 2 3 1 2 3 1 2 3 RED RED 21R4 21R3 NR61 T61 1 2 4 3 4 3 C61 LD1 WHT WHT OUTDOOR CONTROL PC BOARD BRN BLU BRN BLU BRN BLU...

Page 10: ...ssor MC1 MSC 12RV E3 UNIT B Indoor heat exchanger Indoor coil thermistor RT12 Room temperature thermistor RT11 With insulation Refrigerant pipe With insulation Refrigerant pipe 6 35 Flared connection Stop valve with service port Stop valve Capillary tube 3 0 1 4 810 Compressor MC2 MSC 07RV E3 MSC 07RV MSC 12RV E3 E3 MAX REFRIGERANT PIPING LENGTH MAX HEIGHT DIFFERENCE ADDITIONAL REFRIGERANT CHARGE ...

Page 11: ...connection Refrigerant pipe 9 52 With insulation Refrigerant pipe 6 35 Flared connection Stop valve with service port Stop valve Solenoid valve 21R3 Solenoid valve 21R4 Solenoid valve 21RB Stop valve with service port Stop valve with service port Stop valve Stop valve Capillary tube 3 0 1 4 450 Capillary tube 3 0 1 6 900 Capillary tube 3 0 1 6 900 Capillary tube 3 0 1 8 450 Capillary tube 3 0 1 6 ...

Page 12: ...ercially available 2Ensure that the 2 refrigerant pipes are well insulated to prevent condensation 3Refrigerant bending radius must be 10cm or more MAX REFRIGERANT PIPING LENGTH MAX HEIGHT DIFFERENCE Note The length of piping to individual units A B C should not exceed 10 meters If units B and C are linked the maximum combined length of piping should not exceed 15 meters 7m 0 10m 0 11m 10 12m 20 1...

Page 13: ... L H H MSC 12RV Indoor unit B E3 MUX 25TV Outdoor unit Additional piping max length 10m E1 MSC 12RV Indoor unit A E3 MAX REFRIGERANT PIPING LENGTH MAX HEIGHT DIFFERENCE Outside diameter Insulation UNIT No Pipe mm thickness Insulation material and UNIT For liquid 6 35 8 mm Heat resisting foam plastic For gas 12 7 8 mm 0 045 specific gravity B A ADDITIONAL REFRIGERANT CHARGE R22 g PIPING PREPARATION...

Page 14: ...50 60 20 25 30 9 1 2 OUTDOOR LOW PRESSURE AND OUTDOOR UNIT CURRENT COOL operation Both indoor and outdoor unit are under same temperature humidity condition Air flow should be set at MAX MUX 19TV E1 MUX 25TV E1 6 9 7 8 8 7 9 6 10 6 11 6 MUX 25TV E1 MSC 12RV E3 6 1 6 9 7 7 8 5 9 3 10 2 MUX 20TV E1 MSC 09RV E3 Single unit A MUX 20TV E1 MSC 09RV E3 Single unit B or C 6 6 7 5 8 4 9 3 10 2 11 2 6 9 7 8...

Page 15: ...Unit A Single operation Unit B or C Outdoor unit current A 0 8 0 7 0 6 0 5 0 4 0 3 kgf F G MPa G Outdoor low pressure kgf F G 7 6 5 4 3 8 0 8 0 7 0 6 0 5 0 4 0 3 kgf F G MPa G Outdoor low pressure kgf F G 7 6 5 4 3 8 3 4 5 4 6 2 2 3 MUX 20TV E1 ...

Page 16: ...4 0 60 0 48 0 36 0 68 0 56 0 44 0 32 0 76 0 64 0 52 0 40 0 28 0 84 0 72 0 60 0 48 0 36 0 92 0 80 0 68 0 56 0 44 1 00 0 88 0 76 0 64 0 52 655 694 655 694 722 655 694 722 749 655 694 722 749 788 655 694 722 749 788 655 694 722 749 788 655 694 722 749 788 2 38 2 51 2 38 2 51 2 64 2 38 2 51 2 64 2 77 2 38 2 51 2 64 2 77 2 90 2 38 2 51 2 64 2 77 2 90 2 38 2 51 2 64 2 77 2 90 2 38 2 51 2 64 2 77 2 90 1 ...

Page 17: ...11 2 24 2 38 1 98 2 11 2 24 2 38 2 51 1 98 2 11 2 24 2 38 2 51 1 98 2 11 2 24 2 38 2 51 1 98 2 11 2 24 2 38 2 51 1 11 0 93 1 19 1 01 0 81 1 35 1 18 0 99 0 76 1 50 1 35 1 17 0 95 0 70 1 66 1 52 1 35 1 14 0 90 1 82 1 69 1 53 1 33 1 10 1 98 1 86 1 71 1 52 1 30 0 56 0 44 0 60 0 48 0 36 0 68 0 56 0 44 0 32 0 76 0 64 0 52 0 40 0 28 0 84 0 72 0 60 0 48 0 36 0 92 0 80 0 68 0 56 0 44 1 00 0 88 0 76 0 64 0 ...

Page 18: ...48 1201 1056 1109 1148 1201 1267 1056 1109 1148 1201 1267 1056 1109 1148 1201 1267 1056 1109 1148 1201 1267 3 94 4 11 3 94 4 11 4 31 3 94 4 11 4 31 4 52 3 94 4 11 4 31 4 52 4 69 3 94 4 11 4 31 4 52 4 69 3 94 4 11 4 31 4 52 4 69 3 94 4 11 4 31 4 52 4 69 1 93 1 52 2 09 1 69 1 25 2 40 2 02 1 59 1 13 2 72 2 34 1 94 1 49 0 98 3 03 2 67 2 28 1 85 1 36 3 35 3 00 2 63 2 21 1 74 3 66 3 33 2 97 2 57 2 11 11...

Page 19: ... 69 0 57 0 45 0 33 0 21 0 77 0 65 0 53 0 41 0 29 0 85 0 73 0 61 0 49 0 37 0 93 0 81 0 69 0 57 0 45 1294 1346 1294 1346 1399 1294 1346 1399 1452 1294 1346 1399 1452 1505 1294 1346 1399 1452 1505 1294 1346 1399 1452 1505 1294 1346 1399 1452 1505 3 15 3 36 3 15 3 36 3 57 3 15 3 36 3 57 3 78 3 15 3 36 3 57 3 78 3 99 3 15 3 36 3 57 3 78 3 99 3 15 3 36 3 57 3 78 3 99 3 15 3 36 3 57 3 78 3 99 1 54 1 24 1...

Page 20: ... 96 0 84 0 72 0 60 0 48 648 680 648 680 705 648 680 705 737 648 680 705 737 778 648 680 705 737 778 648 680 705 737 778 648 680 705 737 778 2 81 2 94 2 81 2 94 3 08 2 81 2 94 3 08 3 23 2 81 2 94 3 08 3 23 3 35 2 81 2 94 3 08 3 23 3 35 2 81 2 94 3 08 3 23 3 35 2 81 2 94 3 08 3 23 3 35 1 46 1 18 1 58 1 29 0 98 1 80 1 53 1 23 0 90 2 03 1 76 1 48 1 16 0 80 2 25 2 00 1 72 1 42 1 07 2 48 2 23 1 97 1 68 ...

Page 21: ...52 0 40 0 56 0 44 0 32 0 64 0 52 0 40 0 28 0 72 0 60 0 48 0 36 0 24 0 80 0 68 0 56 0 44 0 32 0 88 0 76 0 64 0 52 0 40 0 96 0 84 0 72 0 60 0 48 794 826 794 826 859 794 826 859 891 794 826 859 891 923 794 826 859 891 923 794 826 859 891 923 794 826 859 891 923 2 25 2 40 2 25 2 40 2 55 2 25 2 40 2 55 2 70 2 25 2 40 2 55 2 70 2 85 2 25 2 40 2 55 2 70 2 85 2 25 2 40 2 55 2 70 2 85 2 25 2 40 2 55 2 70 2...

Page 22: ... 83 0 71 0 59 0 47 800 840 800 840 870 800 840 870 910 800 840 870 910 960 800 840 870 910 960 800 840 870 910 960 800 840 870 910 960 3 04 3 17 3 04 3 17 3 32 3 04 3 17 3 32 3 48 3 04 3 17 3 32 3 48 3 62 3 04 3 17 3 32 3 48 3 62 3 04 3 17 3 32 3 48 3 62 3 04 3 17 3 32 3 48 3 62 1 55 1 24 1 67 1 36 1 03 1 91 1 62 1 30 0 94 2 16 1 87 1 56 1 22 0 83 2 40 2 13 1 83 1 50 1 12 2 64 2 38 2 09 1 78 1 41 ...

Page 23: ...39 0 27 0 71 0 59 0 47 0 35 0 23 0 79 0 67 0 55 0 43 0 31 0 87 0 75 0 63 0 51 0 39 0 95 0 83 0 71 0 59 0 47 980 1020 980 1020 1060 980 1020 1060 1100 980 1020 1060 1100 1140 980 1020 1060 1100 1140 980 1020 1060 1100 1140 980 1020 1060 1100 1140 2 43 2 59 2 43 2 59 2 75 2 43 2 59 2 75 2 92 2 43 2 59 2 75 2 92 3 08 2 43 2 59 2 75 2 92 3 08 2 43 2 59 2 75 2 92 3 08 2 43 2 59 2 75 2 92 3 08 1 24 1 01...

Page 24: ...09 1265 1112 1168 1209 1265 1334 1112 1168 1209 1265 1334 1112 1168 1209 1265 1334 1112 1168 1209 1265 1334 3 94 4 11 3 94 4 11 4 31 3 94 4 11 4 31 4 52 3 94 4 11 4 31 4 52 4 69 3 94 4 11 4 31 4 52 4 69 3 94 4 11 4 31 4 52 4 69 3 94 4 11 4 31 4 52 4 69 1 93 1 52 2 09 1 69 1 25 2 40 2 02 1 59 1 13 2 72 2 34 1 94 1 49 0 98 3 03 2 67 2 28 1 85 1 36 3 35 3 00 2 63 2 21 1 74 3 66 3 33 2 97 2 57 2 11 11...

Page 25: ... 69 0 57 0 45 0 33 0 21 0 77 0 65 0 53 0 41 0 29 0 85 0 73 0 61 0 49 0 37 0 93 0 81 0 69 0 57 0 45 1362 1418 1362 1418 1473 1362 1418 1473 1529 1362 1418 1473 1529 1585 1362 1418 1473 1529 1585 1362 1418 1473 1529 1585 1362 1418 1473 1529 1585 3 15 3 36 3 15 3 36 3 57 3 15 3 36 3 57 3 78 3 15 3 36 3 57 3 78 3 99 3 15 3 36 3 57 3 78 3 99 3 15 3 36 3 57 3 78 3 99 3 15 3 36 3 57 3 78 3 99 1 54 1 24 1...

Page 26: ...door unit doesn t operate Outdoor unit operates in only Test Run opera tion Outdoor unit doesn t oper ate even in Test Run operation Check room temperature thermistor Refer to Check of outdoor unit on page 29 and 30 Indoor unit doesn t receive the signal from remote controller Refer to Check of remote controller and receiver P C board on page 28 OPERATION INDICATOR lamp on the indoor unit is flash...

Page 27: ... 22 5 08 6 22 Abnormal Opened or short circuited MUX 20TV E1 RH140VHAT RH174VHAT 3 55 4 35 2 91 3 57 5 03 6 17 5 11 6 26 MUX 25TV E1 RH231VHAT 1 87 2 30 3 44 4 22 Solenoid coil 21R 21RA 21RB MUX 25TV 59 72Ω 66 80Ω 65 79Ω E1 C R C S 10 3 Trouble criterion of main parts Check of indoor fan motor A Indoor fan does not operate Repair the indoor fan motor Disconnect lead wires from connector CN211 on i...

Page 28: ...h the indoor control P C board Replace the indoor electronic control P C board with receiver Check of indoor electronic control P C board C Check both parts side and pattern side of indoor electronic control P C board visually Replace the fuse Is fuse F11 blown Be sure to check both fuse and varistor in any case Replace the fan motor Trouble of the indoor electronic control P C board Is winding re...

Page 29: ...g whith continuity is no in Remove connector from outdoor control P C board CN71 CN74 CN90 and continuity confirmation next 1 8 1 Between CN71 1 pin and 1 of A room of the outdoor terminal block 2 Between CN71 3 pin and 2 of B room of the outdoor terminal block 3 Between CN73 1 pin and 1 of B room of the outdoor terminal block 4 Between CN73 3 pin and 2 of B room of the outdoor terminal block 5 Be...

Page 30: ...compressor Replace the outdoor fan motor No Yes Check the outdoor control P C board See page 31 Does outdoor unit operate Yes Ok No Start Turn OFF power supply indoor out door unit Yes Outdoor fan motor does not operate Yes Is the connection of wiring from terminal block to outdoor fan motor correct Make the connection of wiring from terminal block to outdoor fan motor correct Yes No Check the out...

Page 31: ...rol P C board Solenoid coil 21R3 Solenoid coil 21R4 From indoor unit A 12V DC 1 3 From indoor unit C 12V DC 1 3 Solenoid coil 21RB From indoor unit B 12V DC 1 3 Fan motor Fan capacitor Fan capacitor To compressor MC1 To terminal block Fuse 250V AC 3 15A Power supply input 220 240V AC ...

Page 32: ... screws fixing the service panel 2 Remove the screw fixing the top panel 3 Remove the service panel 4 Remove the top panel 5 Remove the screws fixing the front panel 6 Remove the front panel 7 Remove the screws fixing the back panel 8 Remove the back panel 11 1 MUX 19TV MUX 20TV MUX 25TV OUTDOOR UNIT E1 E1 E1 Photo 2 Photo 1 Photo 3 Top panel Front panel Front panel set screws Front panel set scre...

Page 33: ...e rotating direction for removal When setting the propeller align the motor shaft cut section 4 Removing the outdoor fan motor 1 Remove the cabinet Refer to 1 2 Remove the propeller Refer to 3 3 Disconnect the connector remove the clamp of outdoor fan motor lead wire 4 Remove the screws fixing the outdoor fan motor Photo 4 Solemoid coil connector 21RB 21R3 21R4 Relay panel set screws Outdoor fan m...

Page 34: ...or set nuts 8 Remove the compressor 6 Removing the compressor C 1 Remove the cabinet Refer to 1 2 Remove the relay panel Refer to 2 3 Remove the screws fixing rear panel Refer to photo 4 4 Remove the rear panel 5 Remove the terminal cover 6 Pull out lead from the compressor 7 Remove the suction pipe welded section and discharge pipe welded section using a burner Pull out when the welding melts 8 R...

Page 35: ...OL P C BOARD TERMINAL BED TERMINAL BED FAN MOTOR CAPACITOR FAN MOTOR CAPACITOR FUSE COMP RUN CAPACITOR COMP RUN CAPACITOR TERMINAL BED VARISTOR 1 1 1 1 1 1 1 2 1 1 RA6V60 DA RA6V60 EA 3 0 440V AC 4 0 440V AC 3 15A 25 440V AC 30 440V AC MF61 MF61 C61 C61 F C1 2 C1 2 MUX 19TV E1 1 1 1 1 1 1 1 1 1 1 1 MUX 25TV E1 1 1 1 1 1 1 1 2 1 1 E02 636 301 E02 638 301 E02 214 501 E02 636 444 E02 637 444 E02 638 ...

Page 36: ...1 1 RH220VHAT RH135VHAT RH140VHAT RH174VHAT RH231VHAT 3RUBBERS SET 3 0O 1 6O1000 MC1 MC2 MC1 MC2 MC1 2 MUX 19TV E1 1 1 1 1 1 2 1 1 1 1 6 1 1 1 2 1 1 MUX 25TV E1 1 1 1 1 1 2 2 1 1 6 1 2 2 1 1 E02 636 297 E02 636 515 E02 636 630 E02 636 232 E02 527 521 E07 001 009 E02 594 900 E02 636 900 E02 637 900 E02 635 900 E02 141 900 E02 652 936 E02 636 937 E02 637 936 E02 289 936 E02 652 937 E07 042 937 E02 4...

Page 37: ...3 2 DEODORIZING FILTER DEODORIZING FILTER removes ammonia and hydrogen sulphide emitted from tobacco and odors of pets Clean DEODORIZING FILTER every two weeks If the filter is particularly dirty clean the filter more often For cleaning soak the filter in warm water for a while and then wash and rinse it Dry the filter in the shade thoroughly When the filter color is still dark even after cleaning...

Page 38: ......

Page 39: ......

Page 40: ...2 3 MARUNOUCHI CHIYODA KU TOKYO100 8310 JAPAN C C Copyright 2001 MITSUBISHI ELECTRIC ENGINEERING CO LTD Distributed in Apr 2001 No OB284 248 Made in Japan New publication effective Apr 2001 Specifications subject to change without notice ...

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