Mitsubishi ElectronicsメーカーMS-GD08ND-ciの使用説明書/サービス説明書
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1 SER VICE MANUAL CONTENTS 1. TECHNICAL CHANGES ................................... 2 2. P ART NAMES AND FUNCTIONS ..................... 3 3. SPECIFICA TION ................................................ 4 4. OUTLINES AND DIMENSIONS ................
2 1 TECHNICAL CHANGES MS-A08ND- C1 ➔ MS-GD08ND- C1 MS-A12ND- C1 ➔ MS-GD12ND- C1 1. Indoor unit has been changed. • Front panel has been changed. (Flat Flat Shining) 2. T erminal block has been changed. 3P (L~, N~, 2~) 4P (L~, N~, 2~, Earth) MS-A10ND- C1 ➔ MS-GD10ND- C1 1.
3 2 ACCESSORIES P ART NAMES AND FUNCTIONS INDOOR UNIT MS-GD08ND- C1 MS-GD10ND- C1 MS-GD12ND- C1 Emergency operation switch Fan Air outlet V ertical vanes Air inlet Remote control receiving section Dis.
4 SPECIFICA TION 3 REMOTE CONTROLLER ON/OFF RESET TOO WARM TOO COOL ECONO COOL POWERFUL COOL SELECT FAN VANE TIME MODE I FEEL COOL DRY FAN h Signal transmitting section Operation display section TEMPE.
5 [ 9.52-0.43m 244 242 5 e r o m r o 7 90 110 0 3 149 606 8 7 2 60 815 783 Air out Installation plate Insulation [ 28 Drain hose [ 16 (Connected part O.D) Liquid line [ 6.35-0.5m Gas line [ 9.52-0.43m Insulation [ 37 O.D [ 21 I.D { Wireless remote controller 81.
6 MS-GD08ND- C1 MS-GD12ND- C1 WIRING DIAGRAM 5 INDOOR UNIT MS-GD10ND- C1.
7 REFRIGERANT SYSTEM DIAGRAM 6 MS-GD08ND- C1 MS-GD10ND- C1 INDOOR UNIT Room temperature thermistor Indoor heat exchanger RT11 Indoor coil thermistor RT12 Refrigerant pipe (Option) { 6.35 (with heat insulator) Flared connection Flared connection Refrigerant pipe (Option) { 12.
8 T able 1 How to set the remote controller exclusively for particular indoor unit After you turn the breaker ON, the first remote controller that sends the signal to the indoor unit will be regarded as the remote controller for the indoor unit.
9 When the indoor unit is controlled with the remote controller , the operation mode, set temperature, and the fan speed are memorized by the indoor electronic control P .C.board. The “AUTO REST ART FUNCTION” sets to work the moment power has restored after power failure.
10 8-1. 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.
1 1 5. How to install the horizontal vanes Upper vane Lower vane The holes on the insertion ends of the upper and lower horizontal vanes have different shapes. Insert this end first. Upper right Lower right Insert this end first. 6 5 4 3 2 1 In procedure 2 , 3 , 5 , and 6 , lock the stoppers until they click into place.
12 8-2. Instruction of troubleshooting Start Indoor unit operates. Outdoor unit doesn't operate. Indoor unit doesn't receive the signal from remote controller . OPER A TION INDICA TOR lamp on the indoor unit is flashing on and off. Outdoor unit operates in only T est run operation.
13 Before taking measures, make sure that the symptom reappears for accurate troubleshooting. Self check table 8-3. T roubleshooting check table • The following indication applies regardless of shape of the indicator . flashing Operation Indicator · Flashing of the OPERA TION INDICA TOR lamp (on the left) indicates possible abnormalities.
14 8-4. T rouble criterion of main parts MS-GD08ND- C1 MS-GD10ND- C1 MS-GD12ND- C1 V ane motor (MV) Measure the resistance between the terminals with a tester .
15 Y es B Check of remote controller and receiver P .C. board w Check if the remote controller is exclusive for this air conditioner . Replace the batteries.
16 C Check of indoor electronic control P .C. board The unit doesn’t operate with the remote controller . Also, the OPERA TION INDICA TOR lamp doesn’t light up by pressing the EMERGENCY OPERA TION switch. CN201 L N 1 3 T erminal block Check both “parts side” and “pattern side” of the indoor electronic control P .
17 D Check of installation of the horizontal vane Start Replace the indoor electronic control P .C. board. Replace the safety device. Is the stopper of the horizontal vane locked to the indoor unit correctly? Y es No Is there resistance 0 " ? Relock the stopper of the horizontal vane to the indoor unit.
18 Indoor coil thermistor (RT12) Room temperature thermistor (RT1 1) T emperature ( : ) Resistance (k " ) Release of Auto restart function Solder the Jumper wire to the JR07. (Refer to 7-3.) CN302 Power monitor , receiver P .C. board Power supply input 220 - 230V AC V aristor (NR1 1) Fuse 250V AC 3.
19 9.1 MS-GD08ND- C1 MS-GD10ND- C1 MS-GD12ND- C1 OPERA TING PROCEDURE PHOTOS Photo 1 Screws of the panel 1. Removing the panel (1) Remove the screw caps of the panel. Remove the screws. (2) Pull the panel down to your side slightly and unhook the catches at the top.
20 OPERA TING PROCEDURE PHOTOS Photo 5 Photo 7 Screws of the left side of the heat exchanger Photo 6 Hooks of the motor band Hexagon socket set screw Screw of the lead cover 5. Removing the indoor fan motor and the line flow fan (1) Remove the panel. (Refer to 1.
HEAD OFFICE: TOKYO BLDG., 2-7-3, MARUNOUCHI, CHIYODA-KU, TOKYO 100-8310, JAP AN MITSUBISHI ELECTRIC CONSUMER PRODUCTS (THAILAND) CO., L TD. AMA T A NAKORN INDUSTRIAL EST A TE 700/406 MOO 7, T AMBON DON HUA ROH, AMPHUR MUANG, CHONBURI 20000 THAILAND Made in Thailand New publication, effective Feb.
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