Page 2 - INDOOR UNIT; ACCESSORIES
TECHNICAL CHANGES 2 1 PART NAMES AND FUNCTIONS 2 INDOOR UNIT Grille (When the grille is opened) Remote controller Operation section Display section Emergency operation switch Operation indicator lamp Air inlet To Breaker Power supply cord Remote control receiving section Air cleaning filter (option)...
Page 3 - REMOTE CONTROLLER
REMOTE CONTROLLER MS-GA50VB -MS-GA60VB -MS-GA80VB - E1 E1 E1 3 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. WIDE VANE LONG I FEEL COOL DRY P M C L O C K A M RESET CLOCK FAN Open the front lid. Signal transmitting section Operation display sec...
Page 4 - SPECIFICATION
SPECIFICATION 4 3 Indoor model Function Power supply Air flow(High/Med. /Low ) Power outletRunning currentPower inputAuxiliary heaterPower factorFan motor currentModelWinding resistance(at 20 : ) Dimensions W O H O D WeightAir directionSound level(High/Med. /Low )Fan speed(High/Med. /Low )Fan speed ...
Page 5 - NOISE CRITERIA CURVES
5 NOISE CRITERIA CURVES 4 90 80 70 60 50 40 30 20 10 63 125 250 500 1000 2000 4000 8000 OCT A VE BAND SOUND PRESSURE LEVEL, dB re 0.0002 MICRO BAR BAND CENTER FREQUENCIES, Hz APPROXIMATETHRESHOLD OF HEARING FORCONTINUOUSNOISE NC-60 NC-50 NC-40 NC-30 NC-20 NC-70 Test conditions, Cooling : Dry-bulb te...
Page 6 - OUTLINES AND DIMENSIONS
OUTLINES AND DIMENSIONS 6 5 258 162 19 58 47 7.5 315 255.5 47 2.5 98 173 98 173 414.5 414.5 5 253 791 56 1068 1100 325 Air out Air in Insulation [ 28 Drain hose [ 16 (Connected part O.D) Installation plate Wall hole [ 75 Wireless remote controller Installation plate Indoor unit { Liquid line [ 6.35-...
Page 7 - WIRING DIAGRAM; MF
MODELS WIRING DIAGRAM MODEL WIRING DIAGRAM 7 WIRING DIAGRAM 6 MS-GA50VB -MS-GA60VB - E1 E1 INDOOR UNIT 12V BLK GRY YLWBRNWHTRED 3 SR141 4 3 1 CN 121 C11 HIC1 MV1 2 1 CN112 151 CN MV2 15 RT12 RT11 111 CN CN211 NR11 ELECTRONIC CONTROLP. C. BOARD F11 L BRN 1 2 3 CN201 MV2 CN 101 CN 102 DISPLAYP. C. BOA...
Page 8 - REFRIGERANT SYSTEM DIAGRAM
REFRIGERANT SYSTEM DIAGRAM 8 7 MS-GA80VB - E1 INDOOR UNIT Indoor heat exchanger Flared connection Room temperature thermistor RT11 Indoor coil thermistor RT13(sub) Flared connection Refrigerant pipe [ 15.88 (with heat insulator) Refrigerant pipe [ 9.52 (with heat insulator) Indoor coil thermistor RT...
Page 9 - SERVICE FUNCTIONS; How to modify the remote controller P.C. board; Table 1
9 SERVICE FUNCTIONS 8 8-2. P.C. BOARD MODIFICATION FOR INDIVIDUAL OPERATION A maximum of 4 indoor units with wireless remote controllers can be used in a room.In this case, to operate each indoor unit individually by each remote controller, P.C. boards of remote controller must bemodified according ...
Page 10 - How to release “AUTO RESTART FUNCTION”; Operation; NOTE
10 How to release “AUTO RESTART FUNCTION” 1 Turn off the main power for the unit. 2 Pull out the electronic control P.C. board, the receiver P.C.board and the display P.C. board. (Refer to page 19.) 3 Solder jumper wire to JR07 on the indoor electronic controlP.C. board. (Refer to page 18.) JR07 IC1...
Page 11 - TROUBLESHOOTING; Troubleshooting procedure; How to replace batteries; Lead wiring
11 TROUBLESHOOTING 9 9-1. 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 first ...
Page 16 - Check of indoor electronic control P.C. board
16 Check of indoor electronic control P.C. board C Check the both “parts side” and “pattern side” of indoor electronic control P.C. board visually. Replace the fuse. Is fuse(F11) blown? Replace the fan motor. Replace the indoor electronic control P.C. board. Is winding resistance of fan motor 0 "...
Page 17 - How to check mis-wiring
17 How to check mis-wiring D 1. Turn OFF the power supply (indoor/ outdoor unit) and disconnect indoor and outdoor connecting wire at the terminal block 3 of the indoor unit. 2. Short-circuit terminal block N - 3 of indoor unit by lead wire. 3. Turn ON the power supply (indoor unit) and press once E...
Page 19 - DISASSEMBLY INSTRUCTIONS; OPERATING PROCEDURE; Removing the front panel; Photo 1
19 DISASSEMBLY INSTRUCTIONS 10 MS-GA50VB - MS-GA60VB - MS-GA80VB - INDOOR UNIT E1 E1 E1 (1) Slide the sleeve and check if there is a locking lever or not. (2) The terminal with this connector is a terminal with lock mechanism 1 Slide the sleeve. 2 Pull the terminal while pushing the locking lever. 1...
Page 20 - Removing the electrical box
20 OPERATING PROCEDURE PHOTOS Photo 4 Photo 6 Vane motors Indoorcoilthermistor Photo 3 3. Removing the electrical box (1) Remove the front panel. (Refer to 1.)(2) Remove the electrical cover. (Refer to 2.)(3) Disconnect the connector of the indoor coil thermistor.(4) Disconnect the motor connector (...
Page 21 - PARTS LIST; Symbol
21 PARTS LIST 11 MS-GA50VB - (WH) MS-GA60VB - (WH) MS-GA80VB - (WH) 11-1. INDOOR UNIT STRUCTURAL PARTS E1 E1 E1 MS-GA50 VB - (WH) E1 MS-GA60 VB - (WH) E1 MS-GA80 VB - (WH) E1 E02 527 970E02 685 234E02 888 000E02 408 142E02 685 067E02 888 010E02 534 100E02 685 975E02 891 007 INSTALLATION PLATEBOX (WH...
Page 23 - OPTIONAL PARTS; AIR CLEANING FILTER; Model
23 OPTIONAL PARTS 12 Air cleanig filter (White bellows type) AIR CLEANING FILTER ● AIR CLEANING FILTER removes fine dust of 0.01 micron from air by means of static electricity. ● Normal life of AIR CLEANING FILTER is 4 months. However, when it becomes dirty, replace it as soon as possible. ● Clogged...
Page 24 - Copyright 2004 MITSUBISHI ELECTRIC ENGINEERING CO.,LTD
New publication, effective Oct. 2004Specifications subject to change without notice. C C Copyright 2004 MITSUBISHI ELECTRIC ENGINEERING CO.,LTD Distributed in Oct. 2004. No.OB369 6Made in Japan HEAD OFFICE: MITSUBISHI DENKI BLDG.,2-2-3, MARUNOUCHI, CHIYODA-KU, TOKYO100-8310, JAPAN OB369-1.qxp 04.10....