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Manual Daewoo DWC-121R

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  • Daewoo DWC-121R - page 1

    40 Ser vice Manual W indow T ype Room Air Conditioner Model: DWC-121R / (DWC-124R) DW A-122R / (DW A-124R) DWB-122R / (DWB-124R) DW A-121R / DWB-121R DWB-123R / DW A-150R DW A-151R / (DW A-152R) D AEW OO ELECTR ONICS CO., L TD . ✔ Caution : In this Manual, some parts can be changed for improving, their performance without notice in the parts list ...

  • Daewoo DWC-121R - page 2

    CONTENTS 1. Specifications ................................................................................................2 2. Operation .....................................................................................................3 3. Wiring Diagram ..........................................................................................1 ...

  • Daewoo DWC-121R - page 3

    2 1. SPECIFIC A TIONS ITEM MODEL Function Power source AC 115V, 60Hz Cooling Capacity Btu/h 12,100 12,000 12,000 11,700 12,000 11,500 14,018 14,000 Kcal/h 3,050 3,024 3,024 2,950 3,024 2,898 3,533 3,528 Btu/wh 10.1 10.2 10.1 9.9 10.0 10.0 9.4 9.8 Kcal/wh 2.55 2.57 2.55 2.49 2.52 2.52 2.38 2.47 Dehumidification Pts/h 3.40 3.61 3.14 3.30 2.66 2.71 4. ...

  • Daewoo DWC-121R - page 4

    3 1 P ARTS OF NAME AND FUNCTION 2. OPERA TION ● DW * -121R/DW * -122R/DWB-123R/DW A-150R/DW A-151R (NOTE: * ➔ A or B or C) NO PART NAME 1 AIR FILTER 2 GRILLE FRONT 3 CABINET 4 BLADE VERTICAL 5 PANEL CONTROL 6 REMOTE CONTROLLER NO PART NAME 7 BLADE HORIZENTAL 8 AIR VENT 9 FRAME GUIDE TOP 10 FRAME WINDOW KIT 11 SHUTTER WINDOW 6 9 3 2 0 7 q 4 8 5 ...

  • Daewoo DWC-121R - page 5

    4 NO PART NAME 1 AIR FILTER 2 GRILLE 3 CABINET 4 BLADE VERTICAL 5 PANEL CONTROL 6 REMOTE CONTROLLER NO PART NAME 7 BLADE HORIZENTAL 8 AIR VENT 9 FRAME GRILLE 10 FRAME GUIDE TOP 11 FRAME WINDOW KIT 12 SHUTTER WINDOW 6 4 0 q 7 w 8 59 5 3 2 1 3 4 8 2 7 1 9 R o o m A i r - c o n d i t i o n e r R o o m A i r - c o n d i t i o n e r ● DW * -124R/DW A- ...

  • Daewoo DWC-121R - page 6

    5 2 REMOTE CONTROLLER REMOCON SIGNAL TRANSMITTER TIMER/CANCEL • Everytime you push this button, timer is set as follow. (1Hr → 2Hr → 3Hr → 4Hr → 5Hr → 6Hr → 8 Hr → 10Hr → 12Hr → 16Hr → 20Hr → 24Hr → CANCEL). After the unit is timed, if this button is pushed, timer is canceled. SLEEP • SLEEP mode is selected as follow. (L ...

  • Daewoo DWC-121R - page 7

    6 3 REMOTE CONTROLLER DISPLA Y Room Air-conditioner FA N TURBO COOLING ROOM TEMP TEMP DESIRED TEMP TIMER SENSOR MODE POWER FAN SPEED AUTO SWING 88 TEMP./TIMER DISPLAY • It displays the temperature and the timer. MODE DISPLAY • It displays the operating mode. REMOCON SIGNAL RECEIVER TEMPERATURE SET BUTTON • It is the button to set the desired ...

  • Daewoo DWC-121R - page 8

    7 MODE F AN SPEED A UT O SWING PO WER Room Air-conditioner Fan Turbo Cooling Room temp Desired temp Timer TEMP SENSOR TEMP./TIMER DISPLAY • It displays the temperature and the timer. MODE DISPLAY • It displays the operating mode. REMOTE SIGNAL RECEIVER TEMPERATURE SET • It is the button to set the desired room temperature. The temperature can ...

  • Daewoo DWC-121R - page 9

    8 Replacing Batteries Remov e the CO VER from the back of the remote controller . • Slide the co v er according to the arrow direction Inser t two battaries. • Be sure that the (+) and ( – ) directions are correct • Be sure that both batteries are new Re-attach the cov er . • Slide it bac k into position • Do not use rechargeab le batte ...

  • Daewoo DWC-121R - page 10

    9 If you set time in OFF-Timer Mode, the unit will stop at the set time. If you set time in ON-Timer Mode, the unit will run at the set time. (1) Range of setting temperature: 16~32 ° C (2) Setting temperature: Operating temperature of compressor If the Unit Display receiv e the signal of Remote Controller , y ou can hear the signal "beep – ...

  • Daewoo DWC-121R - page 11

    10 (1) When y ou are going to sleep , select sleep b utton in remocon and the unit controls the room to the desired temperature . (The unit will not operate after 4 hour) (2) F or changing the temperature. • Mode I (L1) • The unit will not operate after 4 hour . • Mode II (L2) • The unit will not operate perf ectly after 10 hour . (3) T o c ...

  • Daewoo DWC-121R - page 12

    11 Auto Swing (1) When you push this b utton, in remocon the left/right flap mov e to the position of k eeping the room temperature comior table. (2) The air discharge direction procedure is below . A uto s wing Fix ed (1) Cooling Condition 1 Fan Speed: High speed 2 Set temperature:16 ˚ C(Fixed) 3 Compressor and Fan T urbo Mode(Power ful Cooling) ...

  • Daewoo DWC-121R - page 13

    12 3. WIRING DIA GRAM (3103529000) ...

  • Daewoo DWC-121R - page 14

    13 4. REFRIGERANT CYCLE Evaporator Capillary tube Blower fan Condenser Propeller fan Accumulator Compressor M MOTOR Capillary tube Charge Quantity DWA-121R ID1.6 Ø x L800 740g DWA-122R (DWA-124R) 790g DWB-121R 730g DWB-122R (DWB-124R) 690g DWC-121R (DWC-124R) 680g DWB-123R 760g DWA-150R 790g DWA-151R (DWA-152R) 780g Model Name Contents ID1.6 Ø x ...

  • Daewoo DWC-121R - page 15

    14 5. CONTR OL BLOCK DIA GRAM Relay 3, 4, 5 Auto Swing Moter Fan Motor Compressor 88 LED Front PCB Fan mode Lamp Turbo mode Lamp Remocon Signal Receiver Cooling mode Lamp Room Temp Lamp Desired Temp Lamp Timer Lamp Operating Mode Remote controller Fan speed Timer selection Auto swing Temp setting ON/OFF Sleep A/D Converter Beeper Drive Ic Tr Room T ...

  • Daewoo DWC-121R - page 16

    15 6. CIRCUIT DIA GRAM ...

  • Daewoo DWC-121R - page 17

    16 NO PART NAME SPEC PART CODE Q ’ TY REMARK 1 IC MICOM TMP47P443N 13GSHK64-- 1 U1 2 IC DRIVE TD62004AP 13GT62004A 1 U3 3 IC DRIVE TD62783AP 13GT62783A 1 U2 4 IC REGULATOR KIA7812P 1KA7812AP- 1 U4 5 IC REGULATOR KIA7805P 1KA7805AP- 1 U5 6 IC RESET KIA7042P 1KA7042P-- 1 U6 7 FUSE CLIP AFC-520 3107000600 2 FUSE 8 FUSE 250V, 3.15A 5FULB3152L 1 9 REL ...

  • Daewoo DWC-121R - page 18

    17 NO PART NAME SPEC PART CODE Q ’ TY REMARK 1 LED DISPLAY 88 3103003700 1 DISP 2 C-CERA 103Z 50VDC CXCH1H103M 1 C1 3 RECEIVE MODULE PIC-26043TH2 1PC26043TH 1 REMO 4 LED DLSO-5031D DDLS05031D 3 5 LED DLG-5031D DDLG5031D- 3 6 SWITCH TACT JTP1212 3109300900 6 7 DIODE 1N4148 DZN4148A-- 6 D1-6 8 WAFER SMAW250-08 3108804800 1 CN1 9 WAFER SMAW250-10 31 ...

  • Daewoo DWC-121R - page 19

    18 7. TR OUBLE SHOOTING 1) Error Code 1(Er) 1 Check the connector of room air thermistor . (or connecting wire) 2 Check soldering of connecting on control P .C .B. (Error of soldering or shor t) 3 Check the resistance of room air thermistor . “ Press the temperature K eys (Up & Do wn), Error code is display ed. ” Self-Diagnostic Function Th ...

  • Daewoo DWC-121R - page 20

    19 - Check the f ollo wing at cooling mode Check the v oltage between “ PO WER ” and “ RL1 ” of Main P .C .B 3 1 Check the compressor wiring Check the Rela y(RL1) Check the wiring of outdoor unit Check the compressor (Check the winding resistance) Check the compressor capacitor Check the connecting wire between Main P .C.B and the compresso ...

  • Daewoo DWC-121R - page 21

    PCB DRIVING DESCRIPTION ...

  • Daewoo DWC-121R - page 22

    21 Power Supply(1) DESCRIPTION DC P o wer Supply in circuit needs +12V and +5V . +12V is used f or Compressor Driving Relay , F an Motor Driving Relay , Buzzer Driving, Swing Motor Dr iving Relay and LED Displa y . AC v oltage of secondar y P o wer T ransf ormer is rectified by 4 Diode, and it is filtering by Main Condensor C2. Filtered DC voltage ...

  • Daewoo DWC-121R - page 23

    22 Oscillation(2) 1 2 8 MHz MICOM V DD -10% V SS +10% Fig 2-1 DESCRIPTION Oscillator y F requency drive Micom, it is made up 8MHz resonator oscillator y F reqency . Ocillator y wa ve is as f ollo wing Fig 2-1. ...

  • Daewoo DWC-121R - page 24

    23 Room temperature Sensor Input Temperature ( ° C) No. 15 -10 4.06 0 3.60 15 2.76 25 2.20 40 1.48 Voltage (V) Table 3-1 Sensor(3) MICOM 15 R4 300 C13 0.01 R3 12.7K Vcc ROOM:PT-K43C 2 1 DESCRIPTION Number 15 of Micom is T er minal of A/D conv er tor Input. Room temperature is sensing by change of Thermister Resistance, Micom is put in 5V by ratio ...

  • Daewoo DWC-121R - page 25

    24 DESCRIPTION Signal from Remote Controller put in only Control Data Signal at Micom T erminal of Number 5, which is gotten field of Carrier (38KHz) from Receive Module. Signal W a v e repeat third as f ollowing Fig 5-1. But in Secondar y W av e Custom Code is Re v ersed F ace . Remote Contr oller(4) LEADER CODE CUSTOM CODE 0.56ms 0.56ms 1.12ms 2. ...

  • Daewoo DWC-121R - page 26

    25 DESCRIPTION MICOM P o wer is supplied 5V at Number 28 using VDD , Number 6 using Analog Reference of A/D Conv er ter . C9, C10 is Ripple filter . Micom Power Supply(5) MICOM 28 14 6 C10 100 µ F/16V C9 104 Vcc 5V ...

  • Daewoo DWC-121R - page 27

    26 Reset(6) + C11 1 µ F/50 R1 5.6K 5V 5V RESET IC MICOM 3 7042 31 2 4.2V H L t t POWER ON Vcc (+5V) DELAY TIME FOR POWER ON RESET DESCRIPTION V oltage less than about 4.2V put in Micom T er minal of Number 6 and then Micom reset. Reset IC detect Pow er ON and V oltage greater than 4.2V , and then send Reset Signal. ...

  • Daewoo DWC-121R - page 28

    27 R3 10K R2 10K +5V MICOM 13 27 ˚ F/ ˚ C TEST Function Selecting(7) Table 9-1 Selection S/W SHORT OPEN Function ˚ F / ˚ C ˚ F ˚ C TEST OK NO DESCRIPTION Selecting Function is as follo wing table 9-1. ...

  • Daewoo DWC-121R - page 29

    28 (1) IC3 (MICOM) (2) U2 (TD62783AP) XOUT 1 28 VDD XIN 2 27 HOLD (KE0) TEST RESET 3 26 R92 (SCK) Display Out R70 4 25 R91 (SO) Fan Speed(Hi) Display Out R71 (PULSE) 5 24 R90 (SI) Remocon Signal Display Out R72/VAREF 6 23 R83 (T1) Display Out R40 (AIN0) 7 22 R82 (INT1/ZIN) Display In, Key Out Comp R41 (AIN1) 8 21 R81 (T2) Display In, Key Out Buzzer ...

  • Daewoo DWC-121R - page 30

    29 (3) U2(TD62004AP) DARLINGTON ARRA YS (4) U7 (7805CT): VOL T AGE REGULA TOR (5VDC) (5) U6 (7812ACT): VOL T AGE REGULA TOR (12VDC) IN1 1 16 OUT 1 IN2 2 15 OUT 2 IN3 3 14 OUT 3 IN4 4 13 OUT 4 IN5 5 12 OUT 5 IN6 6 11 OUT 6 IN7 7 10 OUT 7 GND 8 9 COMMON FREE WHEELING DIODES COM 10.5K 7.2K 3K (Top View) (Equivalent Circuit) 100K 500 100 100 0.3 10K 6K ...

  • Daewoo DWC-121R - page 31

    30 9. DISASSEMBL Y INSTR UCTIONS 1 Before service of 1. Stop the unit, remove the power cord from the receptacles. any part. 2. Move the unit to the safe location for the suitable work. 2 Ass ’ y Fan Motor - Fan Motor - Propeller Fan - Blower Fan 3 Ass ’ y Control Box 1. Same as the procedure 1 to 5 in the Item 2. - Panel Control - Main Pcb - F ...

  • Daewoo DWC-121R - page 32

    31 • HO W T O REMO VE THE FRONT GRILLE FOR ALL MODELS EXCEPT D W ✽ -124R, D W A-152R 1. Pull the Air-filter out of the Front Grille. 2. Loosen screw which fasten Front Grille with driver. 3. Disassemble Front Grille from Chassis. – Front Grille and chassis are fixed with snap-fit. 1) Release right-lower snap-fit. – Push the right lower side ...

  • Daewoo DWC-121R - page 33

    32 • HO W T O REMO VE THE FRONT GRILLE FOR ONL Y D W ✽ -124R, D W A-152R 1. Open the grille upward by pulling out the bottom of the grille, lift it. 2. Remove screw which fasten Frame Grille with driver. 3. Disassemble Frame Grille from Chassis. – Frame Grille and chassis are fixed with snap-fit. 1) Release right-lower snap-fit. – Push the ...

  • Daewoo DWC-121R - page 34

    33 10. EXPLODED DIA GRAM AND P AR TS LIST ■ D W A-121R,D W A-122R(124R),D WB-121R,D WB-122R(124R),D WB-123R, D WC-121R(124R),D W A-150R,D W A-151R(152R) P AR TS LIST NO CODE COMPONENTS Q'TY SPECIFICATION REMARK 1 3102402410 GRILLE FRONT 1 HIPS ALL MODELS EXCEPT DW*-124R,DWA-152R 3112200410 FRAME GRILLE 1 HIPS DW*-124R,DWA-152R(ONLY) 1-1 3112 ...

  • Daewoo DWC-121R - page 35

    34 NO CODE COMPONENTS Q'TY SPECIFICATION REMARK 3104425820 PIPE DISCHARGE 1 C1220T-O OD7.94 DWA,B-122R,123R,124R(ONLY) 16 3104425810 PIPE DISCHARGE 1 C1220T-O OD7.94 DWA-150R(ONLY) 3104425830 PIPE DISCHARGE 1 C1220T-O OD7.94 DWA-151R,152R(ONLY) 17 3100063500 PIPE COND OUT AS 1 C1220T-O OD7 DW*-121R,122R,123R,124R(ONLY) 3100063510 PIPE COND OUT ...

  • Daewoo DWC-121R - page 36

    35 NO CODE COMPONENTS Q'TY SPECIFICATION REMARK 40 3104302300 PCB MAIN AS 1 – 41 3104302400 PCB FRONT AS 1 – 5EPU04000 TRANSFORMER 1 DWA-220B(115V/60Hz) DWC-121R,124R(ONLY) 42 5EPU04100 TRANSFORMER 1 DWA-230A(220V/60Hz) DWA-121R,122R,124R,150R,151R,152R(ONLY) 5EPN04300 TRANSFORMER 1 DWA-230V(230V/50Hz) DWB-121R,DWB-122R,123R,124R(ONLY) 310 ...

  • Daewoo DWC-121R - page 37

    ■ D W A-121R, D W A-122R, D WB-121R, D WB-122R, D WB-123R, D WC-121R, D W A-150R, ...

  • Daewoo DWC-121R - page 38

    A-151R D W A-151R EXPLODED DIA GRAM ...

  • Daewoo DWC-121R - page 39

    ■ DW ✻ -124R, D W A-152R EXPLODED DIA GRAM ( NO TE: ✻→ A or B or C) ...

  • Daewoo DWC-121R - page 40

    ...

  • Daewoo DWC-121R - page 41

    S/M NO .: D WC121R040 D AEW OO ELECTRONICS CO ., L TD . 686, AHYEON-DONG MAPO-GU SEOUL, KOREA C.P.O. BOX 8003 SEOUL, KOREA TELEX: DWELEC K28177-8 CABLE: “ DAEWOOELEC ” FAX: 02) 590-6291 TEL: 02) 360-7114/590-6151~5 http://www.dwe. daewoo.co.kr PRINTED D A TE: APR. 2002 ...

Manufacturer Daewoo Category Air Conditioner

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All of them are important, but the most important information from the point of view of use of the device are in the user manual Daewoo DWC-121R.

A group of documents referred to as user manuals is also divided into more specific types, such as: Installation manuals Daewoo DWC-121R, service manual, brief instructions and user manuals Daewoo DWC-121R. Depending on your needs, you should look for the document you need. In our website you can view the most popular manual of the product Daewoo DWC-121R.

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2. Contents - index of all tips concerning the Daewoo DWC-121R, that we can find in the current document
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