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Distributed in Dec. 2005. No.OB439 6
Made in Japan

New publication, effective Dec. 2005
Specifications subject to change without notice.

HEAD OFFICE: TOKYO BLDG, 2-7-3, MARUNOUCHI, CHIYODAKU, TOKYO 100-8310, JAPAN

OB439-1.qxp 05.12.6 9:10 AM Page 24

Содержание MSC-CB20VB

Страница 1: ...SSEMBLY INSTRUCTIONS 18 11 PARTS LIST 20 12 OPTIONAL PARTS 22 Wireless type Models MSC CB20VB MSC CB25VB MSC CB35VB E1 E1 E1 MSC CB20VB MSC CB25VB MSC CB35VB No OB439 SPLIT TYPE AIR CONDITIONERS SPLIT TYPE HEAT PUMP AIR CONDITIONERS NOTE This manual describes technical data of indoor units Outdoor unit service manual MU GA VB Series OB386 MUH GA VB Series OB387 MUX A VB Series OB384 MXZ A WV Serie...

Страница 2: ...2 TECHNICAL CHANGES 1 MSC GA20VB MSC CB20VB MSC GA25VB MSC CB25VB MSC GA35VB MSC CB35VB 1 Panel logo has been changed E1 E1 E1 E1 E1 E1 ...

Страница 3: ... deodorizer Air outlet Vertical vanes Air inlet to Breaker Remote control receiving section Display section Air cleaning filter option white bellows type Front panel Power supply cord Panel Horizontal vane Operation section When the front panel is opened Remote controller Operation indicator lamp Remote control receiving section ...

Страница 4: ...F FAN TOO WARM TOO COOL VANE MODE ECONO COOL STOP START HR MIN I FEEL COOL DRY PM CLOCK AM RESET CLOCK HEAT FAN Open the front lid ON OFF TOO COOL PM AM TOO WARM Signal transmitting section Operation display section OPERATE STOP ON OFF button TEMPERATURE buttons Indication of remote controller model is on back OPERATION SELECT button FAN SPEED CONTROL button OFF TIMER button HR button MIN button T...

Страница 5: ...276 36 31 25 900 750 600 Heating 510 420 342 36 31 25 950 820 700 MSC CB25VB Single phase 230V 50Hz 10 0 17 35 90 0 17 RC4V19 JA WHT BLK 283 BLK RED 188 815O278O244 9 5 3 KP1A Cooling 474 384 306 36 31 25 900 770 650 Heating 588 456 342 39 32 25 1 050 870 700 MSC CB35VB Single phase 230V 50Hz 10 0 19 40 92 0 19 RC4V19 HA WHT BLK 224 BLK RED 318 815O278O244 10 5 3 KP1A Cooling 582 444 324 40 33 26 ...

Страница 6: ... 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 0002 MICRO BAR BAND CENTER FREQUENCIES Hz Test conditions Cooling DB27 WB19 Heating DB20 WB MSC CB25VB COOLING High FUNCTION FAN SPEED 36 HEATING 39 SPL dB A LINE 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...

Страница 7: ...ntroller 162 19 58 81 5 81 5 41 2 5 42 271 231 5 4 5 81 5 133 5 326 326 Wall hole 65 Indoor unit Installation plate Unit mm MSC CB35VB INDOOR UNIT 244 242 218 5 258 81 5 81 5 41 42 2 5 17 5 161 5 161 5 326 326 5 7 or more 90 110 30 149 606 278 60 815 783 Power supply cord Lead to right 1 0m Lead to left 0 3m Air out Indoor unit Installation plate Wall hole 65 Installation plate Insulation 28 Drain...

Страница 8: ...TB T11 TRANSFORMER MF 1 2 3 4 5 6 125 CN CN 109 5 REMOTE CONTROLLER 2 3 POWER MONITOR RECEIVER P C BOARD GRN LD103 PE 12V FOR MU OR MUX TYPE FOR MUH OR MXZ A TYPE MV GRN YLW POWER SUPPLY CORD N 230V 50Hz TO OUTDOOR UNIT CONNECTING 12V 1 2 N 3 L BRN BLU BLK WHT BLU RED BRN 5 CN 151 1 2 CN202 1 2 3 CN201 LD105 CN211 ELECTRONIC CONTROL P C BOARD F11 T11 NR11 RT11 RT12 CN 112 CN 111 5 3 1 CN 121 BLK G...

Страница 9: ...cation press the RESET button Table 1 No 1 unit No 2 unit No 3 unit No 4 unit 1 unit operation No modification 2 units operation Same as at left Solder J1 3 units operation Same as at left Same as at left Solder J2 4 units operation Same as at left Same as at left Same as at left Solder both J1 and J2 MSC CB20VB MSC CB25VB MSC CB35VB Remote controller model KP1A J2 J1 How to set the remote control...

Страница 10: ...T FUNCTION ON SW2 2 MUH MXZ type SW2 FRONT 1 2 1 2 IC101 CN151 SW1 CN112 CN121 L101 CN201 F11 CN202 C 1 1 C N 2 1 1 SW2 LD105 Operation If the main power 230V AC has been cut the operation settings remain After the power is restored the unit restarts automatically according to the memory However it takes at least 3 minutes for the compressor to start running 8 4 MU MUX TYPE MUH MXZ TYPE SWITCH OVE...

Страница 11: ...o replace batteries Weak batteries may cause the remote controller malfunction In this case replace the batteries to operate the remote controller normally NOTE1 If the RESET button is not pressed the remote controller may not operate correctly Insert the negative pole of the batteries first Check if the polarity of the batteries are correct HE AT FA N RESET button HE AT FA N 1 Remove the front li...

Страница 12: ...nit control system Replace the indoor electronic control P C board MUH GA20 GA25 GA35VB MXZ A14 A18WV Refer to Check of outdoor thermistor and others MUH GA20 GA25 GA35VB MXZ A14 A18WV Replace the deicer P C board and others Refer to 9 5 D How to check mis wiring and serial signal error When outdoor unit doesn t work W1 1 Check indoor outdoor connecting wire 2 Refer to 9 5 C Check of indoor electr...

Страница 13: ...stem error When the compressor operation has been in terrupted by LEV protection continuously 5 minutes the compressor stops operation Abnormal point Outdoor unit does not run Outdoor unit does not run Outdoor unit does not run Outdoor unit does not run Outdoor unit does not run Outdoor unit does not run 2 time flash 2 5 second OFF When serial signal from outdoor unit stops for 4 to 5 seconds Dete...

Страница 14: ...Resolder it Repair or replace the indoor fan motor Measure the resistance between the terminals with a tester Coil wiring temperature10 C 30 C Room temperature thermistor RT11 9 4 Trouble criterion of main parts Part name Indoor coil thermistor RT12 Indoor fan motor MF INNER FUSE 136i3 C CUT OFF Motor part Sensor part Check method and criterion Measure the voltage Power ON Figure Normal 271 295Ω W...

Страница 15: ...ntrol P C board Replace the power monitor receiver P C board No 5V or 0V DC No wCheck the remote controller is exclusive for this air conditioner C C Check of indoor electronic control P C board Check the 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 Repla...

Страница 16: ...e 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 TB1 No Check the outdoor power supply power supply cord and connection Yes Turn ON the power supply indoor unit No Replace the deicer P C board Yes No Make the wiring between CN730 on the deicer P C board and outdoor terminal block correct Replace the deicer P...

Страница 17: ...ON OFF 2switches over MU MUX type MUH MXZ type Power supply input 230V AC Varistor NR11 Fuse F11 250V AC 3 15A Room temperature thermistor RT11 Indoor coil thermistor RT12 Timer short mode point JPG JPS Refer to 8 1 Emergency operation switch Indoor fan motor 230V AC 5V DC 12V DC Safety device of fan by horizontal vane CN1R1 R132 J23 J33 J33 J12 Power monitor receiver P C board 9 6 Test point diag...

Страница 18: ... receiver P C board NOTE In case of removing only indoor electronic control P C board work 3 is not necessary 1 Remove the front panel Refer to 1 2 Remove the power monitor receiver P C board holder from the bottom of electrical box 3 Open the power monitor receiver P C board holder and remove the power monitor receiver P C board 4 Remove the screw of the electrical cover and the electrical cover ...

Страница 19: ...embly remove the nozzle assembly 4 Remove the screws of the vane motor disconnect the vane motor connector 5 Remove the vane motor 5 Removing the indoor fan motor and the line flow fan 1 Remove the front panel Refer to 1 2 Remove the electrical box Refer to 3 3 Pull out the drain hose from the nozzle assembly remove the nozzle assembly Refer to 4 4 Remove the screw of the lead cover and lead cover...

Страница 20: ...ng Diagram Q ty unit 1 1 2 1 2 2 1 1 Including No 3 4 5 2PCS SET 2PCS SET Remarks Part No No Part Name MSC CB20VB E1 1 1 2 1 2 2 1 1 1 1 2 1 2 2 1 1 1 1 1 1 1 1 E02 749 426 E02 527 083 9 10 REMOTE CONTROLLER REMOTE CONTROLLER HOLDER MSC CB25VB E1 MSC CB35VB E1 KP1A 1 W 7 2 4 MSC CB20VB MSC CB25VB MSC CB35VB 3 8 W 11 2 ACCESSORY AND REMOTE CONTROLLER 11 1 INDOOR UNIT STRUCTURAL PARTS 11 1 INDOOR UN...

Страница 21: ...ND TERMINAL BLOCK INDOOR FAN MOTOR RC4V19 INDOOR FAN MOTOR RC4V19 INDOOR COIL THERMISTOR LINE FLOW FAN BEARING MOUNT BEARING MOUNT VARISTOR 3 15AL250V AUTO RESTART AUTO RESTART AUTO RESTART 3P F11 NR11 MV RT11 TB MF MF RT12 NR12 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 Symbol in Wiring Diagram Q ty unit Remarks MSC CB20VB E1 ...

Страница 22: ...e of AIR CLEANING FILTER is 4 months However when it becomes dirty replace it as soon as possible Clogged AIR CLEANING FILTER may reduce the air conditioner capacity or cause frost on the air outlet DO NOT reuse AIR CLEANING FILTER even if it is washed DO NOT remove or attach AIR CLEANING FILTER during unit operation Model Part No MAC 1300FT MSC CB20VB MSC CB25VB MSC CB35VB E1 E1 E1 ...

Страница 23: ...23 ...

Страница 24: ... ELECTRIC ENGINEERING CO LTD Distributed in Dec 2005 No OB439 6 Made in Japan New publication effective Dec 2005 Specifications subject to change without notice HEAD OFFICE TOKYO BLDG 2 7 3 MARUNOUCHI CHIYODAKU TOKYO 100 8310 JAPAN ...

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