Page 2 - REVISION; This service Manual covers only change points.
REVISION This service Manual covers only change points. (MSC-07/09/12RV- ➔ MSC-07/09/12RV- ) (MU-07/09/12RV- ➔ MU-07/09/12RV- ) (MUH-07/09/12RV- ➔ MUH-07/09/12RV- ) (MUX-10/18/24RV- ➔ MUX-10/18/24RV- ) (MXZ-18RV- ➔ MXZ-18RV- ) (MSC-07/09/12RV- ➔ MSC-07/09/12RV- ) (MU-07/09/12RV- ➔ MU-07/09/12RV- ) (...
Page 3 - TECHNICAL CHANGES; Reference
3 TECHNICAL CHANGES 1 MUH-07RV -MUH-09RV -MUH-12RV -MUX-10RV -MUX-18RV -MUX-24RV -MXZ-18RV - E1 E1 E1 E1 E1 E1 E1 MUH-07RV -MUH-09RV -MUH-12RV -MUX-10RV -MUX-18RV -MUX-24RV -MXZ-18RV - E2 E2 E2 E2 E2 E2 E2 MSC-07RV -MSC-09RV -MSC-12RV - E1 E1 E1 MSC-07RV -MSC-09RV -MSC-12RV - E2 E2 E2 • Indoor elect...
Page 4 - Remote controller; How to modify the remote controller P.C. board; Table 1; Slide switch
4 MSC-07RV -MSC-09RV - E2 E2 MSC-07RV -MSC-09RV - E3 E3 • Indoor electronic control P.C. board has changed.• Remote controller has changed.(COOL ONLY / COOL & HEAT two-way) MSC-12RV - E2 MSC-12RV - E3 • Remote controller has changed.(COOL ONLY / COOL & HEAT two-way) Remote controller A maxim...
Page 5 - • Accumulator has been removed.; • How to replace batteries; Weak batteries may cause the remote controller malfunction.; Press the RESET button.
5 MU-09RV - E2 MU-09RV - E3 MU-07RV - E2 MU-07RV - E3 • Compressor has changed. RH-135VGCT ➔ RH-130VGCT MU-12RV - E2 MU-12RV - E3 • Compressor has changed. RH-145VGCT ➔ RH-140VGCT • Refrigerant filling capacity (R22) has changed. 0.85kg ➔ 0.80kg • Compressor has changed. RH-231VHAT ➔ RH-220VHAT MUH-...
Page 6 - PART NAMES AND FUNCTIONS; ACCESSORIES
6 PART NAMES AND FUNCTIONS 2 MSC-07RV - MSC-09RV - MSC-12RV - E2 E2 E2 Signal transmitting section Operation display section OPERATE /STOP (ON /OFF)button OPERATION SELECT button FAN SPEED CONTROL button ON-TIMER button CLOCK SET button HR. button MIN. button (TIME SET button) TEMPERATURE buttons VA...
Page 7 - REMOTE CONTROLLER
7 MSC-07RV - MSC-09RV - MSC-12RV - E3 E3 E3 ON/OFF TOO COOL P M A M TOO WARM ON/OFF FAN TOO WARM TOO COOL VANE MODE ECONO COOL STOP START HR. MIN. I FEEL COOL DRY P M C L O C K A M RESET CLOCK HEAT /FAN / Open the front lid. Signal transmitting section Operation display section OPERATE /STOP (ON /OF...
Page 8 - REFRIGERANT SYSTEM DIAGRAM; Refrigerant pipe; INDOOR UNIT
8 REFRIGERANT SYSTEM DIAGRAM 3 Unit:mm MSC-12RV - E3 MUH-12RV - E3 INDOOR UNIT OUTDOOR UNIT (with heat insulator) (with heat insulator) Refrigerant pipe [ 12.7 4-way valve Muffler Stop valve(with service port) Strainer Refrigerant pipe [ 6.35 Stop valve Capillary tube [ 3.0x [ 1.6x700 Checkvalve Ref...
Page 9 - PARTS LIST
9 1 2 3 4 5 6 7 8 9 10 11 E02 409 234 E02 411 234 E02 409 976 E02 424 000 E02 409 067 E02 424 010 E02 408 142 E02 408 100 E02 410 100 E02 409 975 E02 408 970 BOX(WH) BOX(WH) CORNER BOX (LEFT) FRONT PANEL(WH) SCREW CAP(WH) GRILLE(WH) CATCH AIR FILTER AIR FILTER DEODORIZING FILTER AIR CLEANING FILTER ...
Page 11 - Part number that is circled is not shown in the illustration.
11 No. Part No. Part name Remarks Symbol in Wiring Diagram Q'ty/unit 1 2 3 4 5 6 7 8 9 10 11 12 13 E02 336 630 E02 336 232 E02 336 521 E02 437 900 E02 589 900 E02 438 900 E02 408 900 E02 141 900 E02 594 900 E02 336 506 E02 075 506 E02 339 290 E02 340 290 E02 339 661 E02 340 661 E02 339 662 E02 336 2...
Page 12 - -6. OUTDOOR UNIT FUNCTIONAL PARTS AND ELECTRICAL PARTS; Part number that are circled are not shown in the illustration.
12 1 2 3 4 5 6 7 8 9 E02 336 501 E02 437 301 E02 439 301 E02 095 350 E02 085 353 E02 079 353 E02 437 374 E02 438 374 E02 001 340 E02 466 340 E02 095 382 E02 128 383 PROPELLER FAN OUTDOOR FAN MOTOR OUTDOOR FAN MOTOR OUTDOOR FAN CAPACITOR COMPRESSOR CAPACITOR COMPRESSOR CAPACITOR TERMINAL BLOCK TERMIN...
Page 14 - -9. OUTDOOR UNIT FUNCTIONAL PARTS AND ELECTRICAL PARTS
14 1 2 3 4 5 6 7 8 9 10 11 E02 336 501 E02 440 301 E02 442 301 E02 085 353 E02 079 353 E02 440 451 E02 128 383 E02 437 374 E02 440 374 E02 289 310 E02 440 310 E02 440 490 E02 095 382 E02 085 385 PROPELLER FAN OUTDOOR FAN MOTOR OUTDOOR FAN MOTOR COMPRESSOR CAPACITOR COMPRESSOR CAPACITOR DEICER P.C. B...
Page 17 - Part number that is circled are not shown in the illustration.
17 No. Parts No. Parts Name Remarks MUX-18RV Symbol in Wiring Diagram Q'ty / set Part number that is circled are not shown in the illustration. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 T2W 510 232 M21 B57 249 T2W 466 509 M21 K59 245 T2W E41 2...
Page 18 - -16. OUTDOOR UNIT FUNCTIONAL PARTS AND ELECTRICAL PARTS
18 4-16. OUTDOOR UNIT FUNCTIONAL PARTS AND ELECTRICAL PARTSMUX-24RV - MUX-24RV - E2 E1 5 6 1 2 8 7 18 13 9 17 12 14 15 4 10 11 3 No. Parts No. Parts Name Remarks MUX-24RV Symbol in Wiring Diagram Q'ty / unit Part number that is circled is not shown in the illustration. 1 2 3 4 5 6 7 8 9 10 11 12 13 ...
Page 19 - Part number that are circled is not shown in the illustration.
19 No. Parts No. Parts Name Remarks MUX-24RV Symbol in Wiring Diagram Q'ty / unit Part number that are circled is not shown in the illustration. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 T2W E44 232 T2W E44 521 T2W E44 245 T2W E44 249 T2W E44 297 T2W E44 523 T2W E44 248 T2W E44 630...
Page 21 - -21. REMOTE CONTROLLER AND ACCESSORY PARTS
21 4-21. REMOTE CONTROLLER AND ACCESSORY PARTS 4-20. OUTDOOR UNIT ELECTRICAL PARTSMXZ-18RV - MXZ-18RV - E2 E1 15 16 19 Part number that are circled are not shown in the illustration. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 M21 A19 447 M21 U48 362 T2W E22 341 T2W A70 356 T2W A70 357 M21 LL4 4...
Page 24 - Copyright 2000 MITSUBISHI ELECTRIC ENGINEERING CO.,LTD
New publication, effective Mar. 2001Specifications subject to change without notice. C C Copyright 2000 MITSUBISHI ELECTRIC ENGINEERING CO.,LTD Distributed in Mar. 2001. MEE No. OB252 REVISED EDITION A 249 Issued in Mar. 2000. No.OB252 543Made in Japan HEAD OFFICE: MITSUBISHI DENKI BLDG., 2-2-3, MAR...