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SERVICE MANUAL

SPLIT-TYPE,AIR CONDITIONERS
SPLIT-TYPE,HEAT PUMP AIR CONDITIONERS

CONTENTS

1. TECHNICAL CHANGES ····································2

2. PART NAMES AND FUNCTIONS······················5

3. SPECIFICATION·················································7

4. NOISE CRITERIA CURVES ·······························9

5. OUTLINES AND DIMENSIONS························11

6. WIRING DIAGRAM ··········································13

7. REFRIGERANT SYSTEM DIAGRAM ··············15

8. PERFORMANCE CURVES ······························18

9. MICROPROCESSOR CONTROL ····················35

10. SERVICE FUNCTIONS·····································45

11. TROUBLESHOOTING ······································48

12. DISASSEMBLY INSTRUCTIONS·····················59

13. PARTS LIST······················································65

Wireless type

Models

MSC-C07TV -

(WH)

· MU-C07TV -

MSC-C09TV -

(WH)

· MU-C09TV -

MSC-C12TV -

(WH)

· MU-C12TV -

MSC-C07TV -

(WH)

· MUH-C07TV -

MSC-C09TV -

(WH)

· MUH-C09TV -

MSC-C12TV -

(WH)

· MUH-C12TV -

No. OB269

MSC-C07TV -

MSC-C09TV -
MSC-C12TV -

HFC

utilized

R407C

Содержание MSC-C07TV

Страница 1: ...7 REFRIGERANT SYSTEM DIAGRAM 15 8 PERFORMANCE CURVES 18 9 MICROPROCESSOR CONTROL 35 10 SERVICE FUNCTIONS 45 11 TROUBLESHOOTING 48 12 DISASSEMBLY INSTRUCTIONS 59 13 PARTS LIST 65 Wireless type Models MSC C07TV WH MU C07TV MSC C09TV WH MU C09TV MSC C12TV WH MU C12TV MSC C07TV WH MUH C07TV MSC C09TV WH MUH C09TV MSC C12TV WH MUH C12TV E1 E1 E1 E1 E1 E1 E1 E1 E1 E1 E1 E1 No OB269 MSC C07TV MSC C09TV M...

Страница 2: ...rge has been changed 50g m 25g m MUH C09SV MUH C09TV 1 Rated voltage has changed to 230V 2 Outdoor heat exchanger has changed 3 Refrigerant filling capacity has changed 0 80kg 1 00kg 4 Capillary tube has changed 3 0X 1 6X400 3 0X 1 8X400 3 0X 1 4X550 3 0X 1 4X650 3 0X 1 4X800 X2 3 0X 1 4X500 X2 5 Outdoor fan motor has changed RA6V23 EA RA6V33 CA 6 Temperature of defrosting control has changed 7 Ad...

Страница 3: ...cylinder Impossible Incompatible oil Non Non Previous refrigerant R22 HCFC22 100 Single refrigerant Included A1 86 5 40 8 0 94 44 4 Non combustible 0 055 1700 Gas phase Possible Compatible oil Light yellow Non Refrigerant Composition Ratio Refrigerant handling Chlorine Safety group ASHRAE Molecular weight Boiling point Steam pressure 25 Mpa Gauge Saturated steam density 25 Kg K Combustibility ODP ...

Страница 4: ... temperature As a result the R407C occurs the change of composition 2 Additional refrigerant charge has been changed by change of refrigerant R22 R407C R22 MU type 15g m R407C MU C07 C09 C12TV 15g m R22 MUH type 50g m R407C MUH C07 C09 C12TV 25g m Electronic scale for refrigerant charging Refrigerant gas cylinder operating valve Refrigerant gas cylinder for R407C with siphon Refrigerant liquid Gag...

Страница 5: ...hose Air outlet Drain outlet back and side OUTDOOR UNIT MU C07TV MU C09TV MU C12TV E1 E1 E1 MUH C07TV MUH C09TV MUH C12TV E1 E1 E1 ACCESSORIES 1 5 1 2 2 1 1 1 1 1 1 2 3 4 5 6 7 8 9 0 Installation plate Installation plate fixing screw 4 x 25 mm Remote controller mounting hardware Fixing screw for 3 3 5 x 16 mm Black Battery AAA for remote controller Wireless remote controller Felt tape Used for lef...

Страница 6: ...AN Open the front lid Signal transmitting section Operation display section OPERATE STOP ON OFF button TEMPERATURE buttons OPERATION SELECT button FAN SPEED CONTROL button OFF TIMER button HR button MIN button TIME SET button ON TIMER button RESET button ECONO COOL button VANE CONTROL button CLOCK SET button MSC C07TV MSC C09TV MSC C12TV E1 E1 E1 ...

Страница 7: ... E1 Single phase 230V 50Hz 10 695 RE 130VGSHT 650 C R 4 18 C S 5 76 RA6V23 EB WHT BLK 258 BLK RED 385 780o540o255 32 45 645 1 0 77 350 NEO22 Cooling 474 36 950 2 25 0 8 1686 3 03 99 18 2 75 0 29 3 08 MSC C09TV E1 Single phase 230V 50Hz 10 0 17 35 RC4V19 BA WHT BLK 292 BLK RED 325 850O278O191 9 5 3 10 10 MU C09TV E1 Single phase 230V 50Hz 10 RE 145VGSHT 700 C R 4 03 C S 5 71 RA6V23 EB WHT BLK 258 B...

Страница 8: ...K 258 BLK RED 385 780o540o255 34 47 645 1 0 90 350 NEO22 33 18 Cooling 474 36 950 2 2 0 7 3 23 735 2 95 2 86 Heating 504 35 1000 2 5 2 93 675 2 65 3 52 MSC C09TV E1 Single phase 230V 50Hz 10 0 17 35 90 0 17 RC4V19 BA WHT BLK 292 BLK RED 325 850O278O191 9 5 3 10 10 MUH C09TV E1 Single phase 230V 50Hz 1914 10 22 0 37 RE 174VGSHT 800 C R 3 30 C S 5 80 RA6V33 CA WHT BLK 176 BLK RED 413 780o540o255 36 ...

Страница 9: ...st conditions Cooling Dry bulb temperature 35 Wet bulb temperature 24 APPROXIMATE THRESHOLD OF HEARING FOR CONTINUOUS NOISE High NOTCH 45 SPL dB A LINE 90 80 70 60 50 40 30 20 10 63 125 250 500 1000 2000 4000 8000 NC 60 NC 50 NC 40 NC 30 NC 20 NC 70 OCTAVE BAND SOUND PRESSURE LEVEL dB re 0 0002 MICRO BAR BAND CENTER FREQUENCIES Hz APPROXIMATE THRESHOLD OF HEARING FOR CONTINUOUS NOISE Test conditio...

Страница 10: ...00 2000 4000 8000 NC 60 NC 50 NC 40 NC 30 NC 20 NC 70 OCTAVE BAND SOUND PRESSURE LEVEL dB re 0 0002 MICRO BAR BAND CENTER FREQUENCIES Hz Test conditions Heating Dry bulb temperature 7 Wet bulb temperature 6 APPROXIMATE THRESHOLD OF HEARING FOR CONTINUOUS NOISE 49 SPL dB A LINE NOTCH High 90 80 70 60 50 40 30 20 10 63 125 250 500 1000 2000 4000 8000 NC 60 NC 50 NC 40 NC 30 NC 20 NC 70 OCTAVE BAND S...

Страница 11: ...ad to right 1 0m Lead to left 0 3m Liquid line 6 35 0 5m Gas line 9 52 0 43m Insulation 37 O D 21 I D 278 162 19 58 Wireless remote controller 116 5 81 5 818 278 850 165 629 56 or more 100 41 2 5 42 271 4 5 231 5 82 169 326 326 5 189 Air in Air out Insulation 28 Drain hose 16 Connected part O D Installation plate Wall hole 65 Indoor unit Installation plate Power supply cord Lead to right 1 0m Lead...

Страница 12: ...09TV MUH C07 C09TV 12 7 MU C12TV MUH C12TV Liquid refrigerant pipe joint Refrigerant pipe flared 6 35 Airout Air in Air in 109 32 110 147 Drainage 3holes 33 100mm or more 100mm or more 100mm or more Outdoor unit 350mm or more REQUIRED SPACE 400mm or more Unit mm OUTDOOR UNIT MU C07TV MU C09TV MU C12TV E1 E1 E1 MUH C07TV MUH C09TV MUH C12TV E1 E1 E1 ...

Страница 13: ...YLW GRY BLK 4 3 2 1 MF 121 CN 1 2 3 111 CN 112 CN RT12 RT11 NR11 HIC1 TRANS F11 ELECTRONIC CONTROL P C BOARD CN211 TAB12 CN201 3 2 1 CN202 2 1 LD101T 151 CN 5 5 BRN RED BLU WHT BLK BLU BRN TB L 3 N 2 1 12V TO OUTDOOR UNIT CONNECTING POWER SUPPLY CORD N 230V 50Hz GRN YLW POWER MONITOR RECEIVER P C BOARD REMOTE CONTROLLER MV FOR MUH TYPE FOR MU TYPE 12V PE INDOOR UNIT NOTE 1 About the outdoor side e...

Страница 14: ...NG DIAGRAM OUTDOOR UNIT MU C07TV MU C09TV MU C12TV E1 E1 E1 NOTE 1 About the indoor side electric 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 NOTE 1 About the indoor side electric wiring refer to the indoor unit electric wiring diagram for servicing 2 Use copper conductors only...

Страница 15: ... Refrigerant pipe 6 35 Option with heat insulator Refrigerant flow in cooling Unit mm Unit mm Refrigerant pipe 12 7 Option with heat insulator Stop valve with service port Stop valve with service port Strainer Refrigerant pipe 6 35 Option with heat insulator Stop valve Capillary tube 3 0x 1 6x600 Refrigerant flow in cooling Outdoor heat exchanger Room temperature thermistor RT11 Indoor coil thermi...

Страница 16: ...07TV MSC C09TV E1 E1 MUH C07TV MUH C09TV E1 E1 INDOOR UNIT OUTDOOR UNIT Indoor heat exchanger Room temperature thermistor RT11 with heat insulator Refrigerant pipe 9 52 Option Muffler 4 way valve Defrost thermistor RT61 Strainer Outdoor heat exchanger Capillary tube 3 0x 1 4x800 2 pcs MUH C07TV 3 0x 1 4x500 2 pcs MUH C09TV Capillary tube 3 0x 1 6x750 MUH C07TV 3 0x 1 8x400 MUH C09TV Capillary tube...

Страница 17: ...r unit w Max Height difference 5m w Height difference should be within 5m regardless of which unit indoor or outdoor position is high Outdoor unit Refrigerant Piping Max length A Model Refrigerant piping length one way Model Refrigerant piping length one way Outdoor unit precharged 900 1000 1250 15m 200 7m 0 10m 75 MSC C07TV E1 MUH C07TV E1 MSC C09TV E1 MUH C09TV E1 MSC C12TV E1 MUH C12TV E1 Calcu...

Страница 18: ...e 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 Cove...

Страница 19: ...24 9 23 0 21 1 19 2 17 2 15 3 13 4 11 5 19 5 18 0 16 5 15 0 13 5 12 0 10 5 9 0 MSC C07TV E1 MUH C07TV E1 MUH C09TV E1 MSC C09TV E1 MUH C12TV E1 MSC C12TV E1 28 6 26 4 24 2 22 0 19 8 17 6 15 4 13 2 NOTE The above curves are for the heating operation without any frost OUTDOOR LOW PRESSURE AND OUTDOOR UNIT CURRENT COOL operation Both indoor and outdoor unit are under the same temperature humidity con...

Страница 20: ...ent temperature C Ambient humidity Outdoor unit current A kgf F Gage MPa Gage kgf F Gage MPa Gage 18 32 230V 15 20 50 25 60 30 70 35 0 3 0 4 0 5 0 6 0 7 0 8 3 4 5 6 7 8 18 32 230V 15 20 50 25 60 30 70 35 1 5 2 0 2 5 3 0 3 5 MUH C07TV E1 MUH C07TV E1 Outdoor low pressure Ambient temperature C Ambient humidity Ambient temperature C Ambient humidity Outdoor unit current A kgf F Gage MPa Gage 18 32 7 ...

Страница 21: ...4 0 4 5 5 0 5 5 Outdoor unit current A Outdoor unit current A Outdoor unit current A Ambient temperature C Ambient temperature C Ambient temperature C MUH C12TV E1 MUH C07TV E1 MUH C09TV E1 18 7 6 5 4 3 230V 18 15 20 50 25 60 30 70 35 0 3 0 4 0 5 0 6 0 7 MUH C12TV E1 Outdoor low pressure Ambient temperature C Ambient humidity 18 32 230V 15 20 50 25 60 30 70 35 4 0 4 5 5 0 5 5 6 0 6 5 MUH C12TV E1 ...

Страница 22: ... 84 1 28 0 45 723 2 75 1 24 0 45 759 27 26 3 11 1 02 0 33 701 3 02 0 99 0 33 737 2 97 0 98 0 33 759 2 88 0 95 0 33 781 28 18 2 64 2 25 0 85 584 2 53 2 15 0 85 613 2 43 2 07 0 85 642 2 34 1 99 0 85 672 28 20 2 76 2 01 0 73 613 2 64 1 93 0 73 650 2 57 1 87 0 73 664 2 48 1 81 0 73 694 28 22 2 87 1 75 0 61 635 2 77 1 69 0 61 675 2 70 1 65 0 61 694 2 59 1 58 0 61 723 28 24 3 02 1 48 0 49 664 2 90 1 42 ...

Страница 23: ... 0 45 840 2 36 1 06 0 45 858 2 30 1 03 0 45 876 27 26 2 72 0 90 0 33 832 2 57 0 85 0 33 869 2 49 0 82 0 33 887 2 41 0 79 0 33 905 28 18 2 21 1 87 0 85 715 2 03 1 72 0 85 759 1 95 1 65 0 85 774 1 87 1 59 0 85 788 28 20 2 32 1 69 0 73 745 2 16 1 58 0 73 781 2 08 1 52 0 73 803 2 00 1 46 0 73 825 28 22 2 45 1 50 0 61 774 2 30 1 40 0 61 818 2 22 1 35 0 61 832 2 14 1 30 0 61 847 28 24 2 59 1 27 0 49 803...

Страница 24: ...0 43 822 3 05 1 31 0 43 863 27 26 3 45 1 07 0 31 797 3 35 1 04 0 31 838 3 30 1 02 0 31 863 3 20 0 99 0 31 888 28 18 2 94 2 44 0 83 664 2 81 2 33 0 83 697 2 70 2 24 0 83 730 2 60 2 16 0 83 764 28 20 3 06 2 17 0 71 697 2 94 2 09 0 71 739 2 85 2 02 0 71 755 2 75 1 95 0 71 789 28 22 3 19 1 88 0 59 722 3 08 1 81 0 59 768 3 00 1 77 0 59 789 2 88 1 70 0 59 822 28 24 3 35 1 57 0 47 755 3 23 1 52 0 47 797 ...

Страница 25: ...13 0 43 975 2 55 1 10 0 43 996 27 26 3 03 0 94 0 31 946 2 85 0 88 0 31 988 2 76 0 86 0 31 1008 2 68 0 83 0 31 1029 28 18 2 45 2 03 0 83 813 2 25 1 87 0 83 863 2 16 1 79 0 83 880 2 08 1 72 0 83 896 28 20 2 58 1 83 0 71 847 2 40 1 70 0 71 888 2 31 1 64 0 71 913 2 23 1 58 0 71 938 28 22 2 73 1 61 0 59 880 2 55 1 50 0 59 930 2 46 1 45 0 59 946 2 38 1 40 0 59 963 28 24 2 88 1 35 0 47 913 2 70 1 27 0 47...

Страница 26: ...6 4 33 1 69 0 39 1425 27 26 4 90 1 32 0 27 1315 4 76 1 28 0 27 1384 4 69 1 27 0 27 1425 4 54 1 23 0 27 1466 28 18 4 17 3 30 0 79 1096 3 99 3 16 0 79 1151 3 83 3 03 0 79 1206 3 69 2 92 0 79 1260 28 20 4 35 2 91 0 67 1151 4 17 2 79 0 67 1219 4 05 2 71 0 67 1247 3 91 2 62 0 67 1302 28 22 4 53 2 49 0 55 1192 4 37 2 40 0 55 1267 4 26 2 34 0 55 1302 4 08 2 25 0 55 1356 28 24 4 76 2 05 0 43 1247 4 58 1 9...

Страница 27: ...0 3 62 1 41 0 39 1644 27 26 4 30 1 16 0 27 1562 4 05 1 09 0 27 1630 3 92 1 06 0 27 1665 3 80 1 03 0 27 1699 28 18 3 48 2 75 0 79 1343 3 20 2 52 0 79 1425 3 07 2 43 0 79 1452 2 95 2 33 0 79 1480 28 20 3 66 2 45 0 67 1397 3 41 2 28 0 67 1466 3 28 2 20 0 67 1507 3 16 2 12 0 67 1548 28 22 3 87 2 13 0 55 1452 3 62 1 99 0 55 1534 3 50 1 92 0 55 1562 3 37 1 85 0 55 1589 28 24 4 08 1 76 0 43 1507 3 83 1 6...

Страница 28: ...2 68 1 26 0 47 801 27 26 3 04 1 06 0 35 739 2 95 1 03 0 35 778 2 90 1 02 0 35 801 2 82 0 99 0 35 824 28 18 2 59 2 25 0 87 616 2 48 2 15 0 87 647 2 38 2 07 0 87 678 2 29 1 99 0 87 708 28 20 2 70 2 02 0 75 647 2 59 1 94 0 75 685 2 51 1 88 0 75 701 2 42 1 82 0 75 732 28 22 2 81 1 77 0 63 670 2 71 1 70 0 63 712 2 64 1 66 0 63 732 2 53 1 59 0 63 762 28 24 2 95 1 50 0 51 701 2 84 1 45 0 51 739 2 77 1 41...

Страница 29: ...7 905 2 24 1 05 0 47 924 27 26 2 66 0 93 0 35 878 2 51 0 88 0 35 916 2 43 0 85 0 35 936 2 35 0 82 0 35 955 28 18 2 16 1 88 0 87 755 1 98 1 72 0 87 801 1 90 1 66 0 87 816 1 83 1 59 0 87 832 28 20 2 27 1 70 0 75 785 2 11 1 58 0 75 824 2 04 1 53 0 75 847 1 96 1 47 0 75 870 28 22 2 40 1 51 0 63 816 2 24 1 41 0 63 862 2 17 1 37 0 63 878 2 09 1 32 0 63 893 28 24 2 53 1 29 0 51 847 2 38 1 21 0 51 886 2 3...

Страница 30: ... 946 27 26 3 52 1 06 0 30 874 3 42 1 03 0 30 919 3 37 1 01 0 30 946 3 26 0 98 0 30 974 28 18 3 00 2 46 0 82 728 2 87 2 35 0 82 764 2 75 2 26 0 82 801 2 65 2 17 0 82 837 28 20 3 12 2 19 0 70 764 3 00 2 10 0 70 810 2 91 2 03 0 70 828 2 81 1 96 0 70 865 28 22 3 25 1 89 0 58 792 3 14 1 82 0 58 842 3 06 1 77 0 58 865 2 93 1 70 0 58 901 28 24 3 42 1 57 0 46 828 3 29 1 51 0 46 874 3 21 1 48 0 46 901 3 11...

Страница 31: ...26 3 09 0 93 0 30 1037 2 91 0 87 0 30 1083 2 82 0 85 0 30 1106 2 73 0 82 0 30 1128 28 18 2 50 2 05 0 82 892 2 30 1 88 0 82 946 2 21 1 81 0 82 965 2 12 1 74 0 82 983 28 20 2 63 1 84 0 70 928 2 45 1 71 0 70 974 2 36 1 65 0 70 1001 2 27 1 59 0 70 1028 28 22 2 78 1 61 0 58 965 2 60 1 51 0 58 1019 2 51 1 46 0 58 1037 2 42 1 41 0 58 1056 28 24 2 93 1 35 0 46 1001 2 75 1 27 0 46 1047 2 68 1 23 0 46 1069 ...

Страница 32: ...31 27 26 4 76 1 33 0 28 1229 4 62 1 29 0 28 1293 4 55 1 28 0 28 1331 4 42 1 24 0 28 1370 28 18 4 05 3 24 0 80 1024 3 88 3 11 0 80 1075 3 73 2 98 0 80 1126 3 59 2 87 0 80 1178 28 20 4 23 2 87 0 68 1075 4 05 2 76 0 68 1139 3 93 2 67 0 68 1165 3 80 2 58 0 68 1216 28 22 4 40 2 46 0 56 1114 4 24 2 38 0 56 1184 4 14 2 32 0 56 1216 3 97 2 22 0 56 1267 28 24 4 62 2 03 0 44 1165 4 45 1 96 0 44 1229 4 35 1 ...

Страница 33: ... 0 28 1587 18 3 38 2 70 0 80 1254 3 11 2 48 0 80 1331 2 98 2 39 0 80 1357 2 86 2 29 0 80 1382 20 3 55 2 42 0 68 1306 3 31 2 25 0 68 1370 3 19 2 17 0 68 1408 3 07 2 09 0 68 1446 22 3 76 2 11 0 56 1357 3 52 1 97 0 56 1434 3 40 1 90 0 56 1459 3 28 1 84 0 56 1485 24 3 97 1 75 0 44 1408 3 73 1 64 0 44 1472 3 62 1 59 0 44 1504 3 52 1 55 0 44 1536 26 4 17 1 34 0 32 1459 3 93 1 26 0 32 1523 3 81 1 22 0 32...

Страница 34: ...INPUT Q INPUT Q INPUT Q INPUT 15 2 65 891 3 19 1069 3 74 1206 4 28 1302 4 83 1384 5 33 1425 5 88 1452 21 2 52 959 3 02 1137 3 57 1260 4 07 1356 4 62 1425 5 12 1466 5 65 1521 26 2 27 1028 2 81 1206 3 32 1329 3 86 1425 4 41 1493 4 91 1534 5 46 1576 CAPACITY 4 2 KW INPUT 1370 W NOTE Q Total capacity kW INPUT Total power input W DB Dry bulb temperature WB Wet bulb temperature OUTDOOR WB INDOOR 10 5 0 ...

Страница 35: ...PERATE STOP ON OFF button ON Indoor unit receives the signal with a beep tone When the system turns off 3 minute time delay will operate to protect system from overload and compressor will not restart for 3 minutes Operation indicator lamp The operation indicator at the right side of the indoor unit indicates the operation state MUH C07TV MUH C09TV MUH C12TV E1 E1 E1 MU C07TV MU C09TV MU C12TV E1 ...

Страница 36: ...C C12TV this mode is prolonged until the RT12 reads over 4 C MSC C07 C09TV 0 C MSC C12TV Time control When the three conditions as follows have been satisfied for 1 hour and 45 minutes the compressor stops for 3 min utes The indoor fan operates at the set speed a Compressor has been continuously operating b Indoor fan speed is Low or Med c Room temperature is below 26 C When compressor stops the a...

Страница 37: ...to 9 1 2 Coil frost prevention However when coil frost prevention works while the indoor fan is OFF it s speed becomes set speed Thermostat Indoor fan Outdoor fan Compressor ON 8 min 1 min 4 min 3 min ON OFF OFF OFF OFF OFF ON ON ON ON ON ON OFF OFF OFF 9 3 FAN OPERATION MU C07 C09 C12TV 1 Press OPERATE STOP ON OFF button OPERATION INDICATOR lamp of the indoor unit turns on with a beep tone 2 Sele...

Страница 38: ...speed in AUTO is the speed decided by indoor fan speed control Refer to 9 4 1 Indoor fan speed control 1 When the temperature of RT12 has been 37 C or more or when the set speed has been changed this control is released and the fan speed is the set speed 4 Flow soft control When the thermostat compressor is off the indoor fan operates as follows RT12 fan less than 18 C off 18 C or more Very Low Re...

Страница 39: ... condition d or e is satisfied the defrosting operation stops d RT61 reads 12 8 C MUH C07TV 16 3 C MUH C09 C12TV or more e The defrosting time exceeds 10 minutes NOTE When the indoor coil thermistor RT12 reads above 18 C indoor fan operates at Very Low for 30 seconds When the indoor coil thermistor RT12 reads 18 C or less the indoor fan stops Defrost thermistor RT61 12 8 C MUH C07TV or more 16 3 C...

Страница 40: ...m temperature at start up of the operation as shown on the right table Example Previous operation COOL mode of I FEEL CONTROL or COOL mode Once the mode is fixed the mode does not change by room temperature afterwards Under the ON TIMER operation mode is determined according to the room temperature at set time the opera tion starts When the system is stopped on the remote controller and restarted ...

Страница 41: ...y in I FEEL CONTROL mode In DRY mode of I FEEL CONTROL the set temperature doesn t change To raise the set temperature 1 2 degrees C To lower the set temperature 1 2 degrees C 4 The initial set temperature is decided by the initial room temperature COOL mode of I FEEL CONTROL 1 Indoor fan speed control Indoor fan speed control is as same as COOL OPERATION 9 1 1 Indoor fan speed control 2 Coil fros...

Страница 42: ...d with a stepping motor for the horizontal vane The rotating direction speed and angle of the motor are controlled by pulse signals approx 12V transmitted from indoor microprocessor 2 The horizontal vane angle and mode changes as follows by pressing the VANE CONTROL button 3 Positioning The vane is once pressed to the vane stopper below to confirm the standard position and then set to the desired ...

Страница 43: ... C to 17 C 15 C or less 5 8 11 14 17 20 23 Upward level blow time sec 20 17 14 11 8 2 23 9 ECONO COOL operation ECONOmical operation When the ECONO COOL button is pressed in COOL mode set temperature is automatically set 2 C higher than that in COOL mode Also the horizontal vane swings in various cycle according to the temperature of indoor heat exchanger RT12 SWING operation makes you feel cooler...

Страница 44: ...ion 44 EMERGENCY OPERATION switch PROGRAM TIMER Example 1 The current time is 8 00 PM The unit turns off at 11 00 PM and on at 6 00 AM The OFF timer and ON timer can be used in combination and display shows the order of the OFF timer and ON timer operation PM AM Example 2 The current time is 11 00 AM The unit turns on at 5 00 PM and off at 9 00 PM NOTE TIMER setting will be cancelled by power fail...

Страница 45: ...V Jumper wire JPC Model Change point Defrost interval time changes from 40 minutes to 15 minutes E1 E1 E1 10 3 TIMER SHORT MODE For service set time can be shortened by short circuit of JPG and JPS the electronic control P C board The time will be shortened as follows Refer to page 57 Set time 1 minute 1 second Set time 3 minute 3 second It takes 3 minutes for the compressor to start operation How...

Страница 46: ...e check if the setting corresponds to the type of air conditioner If it does not correct the setting as shown below 1 MU TYPE MUH TYPE SWITCH OVER The indoor units for MU type and MUH type are common specifications Set switch on the indoor elec tronic control P C board according to the type of out door unit The units are set for MUH type when they are shipped from the factory 1 2 C111 CN201 C11 CN...

Страница 47: ...ther home appliance not to turn on at the same time When some air conditioners are connected to the same supply system if they are operated before power failure the starting current of all the compressors may flow simultaneously at restart Therefore the special counter measures are required to prevent the main voltage drop or the rush of the starting cur rent by adding to the system that allows th...

Страница 48: ...wiring Housing point MUH C07TV MUH C09TV MUH C12TV E1 E1 E1 MSC C07TV MSC C09TV MSC C12TV E1 E1 E1 MU C07TV MU C09TV MU C12TV E1 E1 E1 11 1 Cautions on troubleshooting 1 Before troubleshooting check the following 1 Check the power supply voltage 2 Check the indoor outdoor connecting wire for mis wiring 2 Take care the following during servicing 1 Before servicing the air conditioner be sure to fir...

Страница 49: ...utdoor unit Mis wiring 2 time flash Cause Indoor unit Trouble of room temp erature indoor coil thermistor 3 time flash Cause Indoor unit Trouble of indoor fan motor W2 6 time flash Cause Outdoor unit Trouble of thermistor in outdoor unit Refer to E How to check mis wiring and serial signal error When outdoor unit doesn t work on page 56 W1 Check room temperature thermistor and indoor coil thermis ...

Страница 50: ...thermistor short or open circuit every 8 seconds during operation When rotational frequency feedback pulse signal is not emit during 12 second indoor fan operation When the defrost thermistor shorts or opens after the com pressor start up Check point Check switch SW2 2 MU type or MUH type Check wiring visual check and conductiv ity check Check indoor electronic control P C board Check outdoor DEIC...

Страница 51: ...tage Power ON Figure 8kΩ 20kΩ Normal Abnormal Open or short circuit 280 304Ω WHT BLK BLK RED BRN YLW YLW GRY Normal 4 5 5 5V Abnormal Remain 0V or 5V When fan revolved one time 0V 5V 0V Approx MSC C07 C09 C12TV 311 338Ω RED BLK YLW GRY BRN WHT FUSE MSC C07TV MSC C09TV MSC C12TV E1 E1 E1 Normal Abnormal Open or short circuit MSC C07 C09 C12TV MSC C07 C09 C12TV Vane motor MV Measure the resistance b...

Страница 52: ...09TV MU C12TV E1 E1 E1 Defrost thermistor RT61 MUH C07 C09 C12TV Measure the resistance with a tester Part temperature 10 C 40 C 5kΩ 60kΩ Normal Abnormal Open or short circuit MUH C07 C09 C12TV Normal MUH C07TV 3 68 4 51Ω 5 08 6 22Ω 2 91 3 56Ω 1 98 2 43Ω 3 59 4 39Ω C R C S Abnormal Open or short circuit 5 11 6 26Ω MUH C09TV MUH C12TV Normal MU C07TV 3 68 4 51Ω 5 08 6 22Ω 3 55 4 35Ω 1 98 2 43Ω 3 59...

Страница 53: ...d press switch on the remote controller Is noise heard from radio Are there any fluorescent lights of inverter or rapid start type within the range of 1m Replace the remote controller Re install the unit away from lights Attach a filter on receiving part Yes 0 or No others Yes No Yes No Switch on the remote controller Is LCD display on the remote con troller visible Remove batteries then set them ...

Страница 54: ...l block between L N Turn on the indoor power supply Press the EMERGENCY OPERATION switch 3 minute time delay works Test run operation operates for 30 minutes No Yes Yes Check the outdoor power supply power supply cord and connection Check the voltage to terminal block of outdoor unit Is there 12V DC to terminal block between 1 2 Yes Outdoor unit does not operate Is the connection of wiring in outd...

Страница 55: ...ion of wiring from terminal block to compressor correct 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 Replace the compressor Check the outdoor fan motor Refer to page 52 Is it normal Replace the outdoor fan motor No Yes Check the DEICER P C boa...

Страница 56: ...g poor contact or wire disconnection Make them sure Replace the indoor electronic control P C board Turn ON the power supply outdoor unit Is there 230V AC between outdoor terminal block L N No Check the outdoor power supply power supply cord and connection Is there 5V DC between J8 J9 Refer to page 58 Yes Turn ON the power supply indoor unit No Replace the DEICER P C board Yes No Make the wiring b...

Страница 57: ...ature thermistor RT11 Indoor coil thermistor RT12 Timer short mode point JPG JPS Refer to page 45 Room temperature thermistor RT11 Indoor coil thermistor RT12 0 0 10 20 30 40 10 20 30 40 50 60 Emergency operation switch Indoor fan motor 230V AC SW2 Refer to page 46 1 sets the Auto restart function ON OFF 2 switches over MU type MUH type 5V DC 12V DC Temperature Resistance k R132 ...

Страница 58: ...or fan motor 230V AC R V coil 230V AC R601 5 10V DC Power supply input 230V AC Defrost thermistor RT61 Fuse 2A 250V Defrost interval time short pin JP607 R853 Refer to page 45 J9 J8 5V DC Jumper wire for change in defrost setting JPC Refer to page 45 52C 12V DC 12V DC CN730 ...

Страница 59: ...the R L holder 9 Remove the electronic control P C board 10 Open the R L holder and the power monitor receiver P C board V A clamp Screw of the V A clamp Room temperature thermistor connector Cord clamp R L holder Power monitor receiver P C board Indoor electronic control P C board Screw of the ground wire Vane motor connector Fan motor connector 1 Slide the sleeve and check if there is a locking ...

Страница 60: ...fer to 3 3 Pull out the drain hose from the nozzle assembly remove the nozzle assembly 4 Remove the screws both upper and lower of the vane motor disconnect the connector 5 Remove the vane motor Photo 4 Photo 5 Drain hose Screws of the vane motor Vane motor Screws of the fan motor Indoor coil thermistor 5 Removing the line flow fan and the indoor fan motor 1 Remove the front panel Refer to 1 2 Rem...

Страница 61: ... the top panel 7 Remove the cabinet Photo 1 Photo 3 Screws of the top panel Service panel Screws of the service panel Screws of the top panel Screws of the cabinet Screws of the cabinet Photo 2 Screws of the front panel and motor support Outdoor fan capacitor C2 Compressor capacitor C1 Terminal block TB 2 Removing the electrical parts 1 Remove the service panel and the cabinet Refer to 1 2 Remove ...

Страница 62: ...opeller fan Propeller fan nut Outdoor fan motor Set screws of the outdoor fan motor Lead clamps Hook Suction pipe Discharge pipe 4 Removing the compressor 1 Remove the cabinet Refer to 1 2 Remove the relay panel 3 Remove the soundproof felt 4 Remove the terminal cover on the compressor 5 Disconnect lead wires from the glass terminal of the com pressor 6 Recover gas from the refrigerant circuit 7 D...

Страница 63: ...inet 2 Removing the deicer P C board 1 Remove the service panel and the cabinet 2 Disconnect all the connectors and the terminals on the deicer P C board 3 Remove the deicer P C board 12 3 MUH C07TV MUH C09TV MUH C12TV OUTDOOR UNIT E1 E1 E1 Photo 4 Terminal block TB Screws Deicer P C board Photo 1 Photo 3 Screws of the top panel Service panel Screws of the service panel Screw of the top panel Scre...

Страница 64: ...et Refer to 1 2 Remove the relay panel 3 Remove the soundproof felt 4 Remove the terminal cover on the compressor 5 Disconnect lead wires from the glass terminal of the com pressor 6 Recover gas from the refrigerant circuit 7 Disconnect the welded part of the discharge pipe 8 Disconnect the welded part of the suction pipe 9 Remove nuts fixing the compressor 10 Remove the compressor NOTE Before usi...

Страница 65: ...y unit 1 1 1 1 2 1 3 2 1 1 1 Including No 5 6 7 2PCS SET 3PCS SET MAC 1800DF MAC 1300FT Remarks Part No No Part Name MSC C07TV WH E1 MSC C12TV WH E1 MSC C09TV WH E1 1 1 1 1 2 1 3 2 1 1 1 1 1 1 1 2 1 3 2 1 1 1 11 See page 71 2 W 9 4 3 6 MSC C07TV WH MSC C09TV WH MSC C12TV WH E1 E1 E1 5 1 10 See page 71 13 2 REMOTE CONTROLLER AND ACCESSORY PART E02 583 426 E02 527 083 12 13 REMOTE CONTROLLER REMOTE ...

Страница 66: ...ERATURE THERMISTOR INDOOR FAN MOTOR TERMINAL BLOCK FAN MOTOR RUBBER MOUNT INDOOR COIL THERMISTOR 3 15A AUTO RESTART AUTO RESTART AUTO RESTART RC4V19 3P 2PCS SET F11 NR11 MV RT11 MF TB RT12 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 2 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 2 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 2 1 13 3 INDOOR UNIT FUNCTIONAL PARTS AND ELECTRICAL PARTS 19 W 21 20 E02 408 620 E02 515 620 E02 151 667 E...

Страница 67: ...PRESSOR COMPRESSOR COMPRESSOR RUBBER SET COMPRESSOR RUBBER SET BASE BASE STOP VALVE GAS STOP VALVE GAS STOP VALVE LIQUID SERVICE PANEL BACK PANEL BACK PANEL MOTOR SUPPORT CAPILLARY TUBE CAPILLARY TUBE CAPILLARY TUBE RE 130VGSHT RE 145VGSHT RE 231VHSHT 3RUBBERS SET 3RUBBERS SET 9 52 12 7 6 35 3 0x 1 4x600 3 0x 1 4x750 3 0x 1 6x600 1 1 1 1 1 3 1 1 1 1 1 1 1 MC MC MC MU C12TV E1 MU C07TV E1 MU C09TV ...

Страница 68: ...DOOR FAN CAPACITOR COMPRESSOR CAPACITOR COMPRESSOR CAPACITOR TERMINAL BLOCK TERMINAL BLOCK CONTACTOR FUSE SURGE ABSORBER RA6V23 RA6V33 1 5 440VAC 25 440VAC 30 440VAC 3P 2P 250V 2A MF MF C2 C1 C1 TB1 TB2 52C F DSAR 1 1 1 1 1 1 1 1 1 MU C12TV E1 MU C07TV E1 MU C09TV E1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 2 3 4 6 5 13 6 OUTDOOR UNIT FUNCTIONAL PARTS AND ELECTRICAL PARTS MU C07TV MU C09TV MU C12TV E...

Страница 69: ... RUBBER SET BASE BASE STOP VALVE GAS STOP VALVE GAS STOP VALVE LIQUID 4 WAY VALVE SERVICE PANEL BACK PANEL MOTOR SUPPORT MOTOR SUPPORT CAPILLARY TUBE CAPILLARY TUBE CAPILLARY TUBE CAPILLARY TUBE CAPILLARY TUBE CAPILLARY TUBE CAPILLARY TUBE CHECK VALVE RE 135VGSHT RE 174VGSHT RE 231VHSHT 3RUBBERS SET 3RUBBERS SET 9 52 12 7 6 35 3 0x 1 4x800 3 0x 1 4x500 3 0x 1 6x750 3 0x 1 8x400 3 0x 1 4x700 3 0x 1...

Страница 70: ...ERMINAL BLOCK TERMINAL BLOCK DEFROST THERMISTOR DEFROST THERMISTOR R V COIL FUSE VARISTOR RA6V23 RA6V33 25 440VAC 30 440VAC 3P 2P 250V 2A MF MF C1 C1 DSAR TB1 TB2 RT61 RT61 21S4 F61 NR61 1 1 1 1 1 1 1 1 1 1 1 MUH C12TV E1 MUH C07TV E1 MUH C09TV E1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 2 4 3 8 7 6 5 13 8 OUTDOOR UNIT FUNCTIONAL PARTS AND ELECTRICAL PARTS 13 8 OUTDOOR UNIT FUNCTIONAL PARTS A...

Страница 71: ...IZING FILTER DEODORIZING FILTER removes ammonia and hydrogen sulphide emitted from tobacco and odor 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 replace th...

Страница 72: ...0 Specifications subject to change without notice C C Copyright 2000 MITSUBISHI ELECTRIC ENGINEERING CO LTD Issued in Dec 2000 No OB269 223 Made in Japan HEAD OFFICE MITSUBISHI DENKI BLDG 2 2 3 MARUNOUCHI CHIYODA KU TOKYO100 8310 JAPAN ...

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Mitsubishi Electric MSC-C07TV, Руководство по обслуживанию

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