Daewoo DWA-182RH User Manual
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Daewoo DWA-182RH User Manual

Daewoo DWA-182RH User Manual

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Manual de servicio
Acondicionador de Aire Tipo Ventana
Modelo:
DWA-182RH

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Summary of Contents for Daewoo DWA-182RH

  • Page 1 Manual de servicio Acondicionador de Aire Tipo Ventana Modelo: DWA-182RH...

  • Page 2: Table Of Contents

    Contents CONTENTS 1. Specifications ....................2 2. Operation .....................3 3. Wiring Diagram..................13 4. Refrigerant Cycle ..................14 5. Control Block Diagram.................15 6. Circuit Diagram..................16 7. Trouble Shooting Guide ................19 8. Key Components of Electronic Circuit ............30 9. Disassembly Instructions ................32 10. Exploded Diagram and Parts List..............33...

  • Page 3: Specifications

    1. SPECIFICATIONS MODEL DWA-182RH ITEM Power Source V/Ph/Hz AC 208~230V / 1 / 60Hz Btu/h 18,000 Capacity (Cooling & Heating) Kcal/h 4,530 Dehumidification Cooling 2,000 Power Input(W) Heating 1,700 Electrical Data Cooling 11.0 Running Current(A) Heating 10.0 Type Rotary Model...

  • Page 4: Operation

    2. OPERATION PARTS OF NAME AND FUNCTION PART NAME PART NAME AIR FILTER PANEL CONTROL GRILL FRONT REMOTE CONTROLLER CABINET BLADE HORIZENTAL BLADE VERTICAL AIR VENT...

  • Page 5: Remote Controller

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

  • Page 6: Remote Controller Display

    REMOTE CONTROLLER DISPLAY MODE DISPLAY • It displays the operating mode. TEMP./TIMER DISPLAY • It displays the temperature and the timer. REMOCON SIGNAL RECEIVER TEMPERATURE SET • It is the button to set the desired room temperature. The temperature can be set within a range from 16°C (60°F) to 32°C (90°F) by 1°C (1°F) SENSOR...
  • Page 7 Replacing Batteries Remove the COVER from Insert two battaries. Re-attach the cover. the back of the remote • Be sure that the (+) and • Slide it back into position controller. (–) directions are correct • Slide the cover • Be sure that both batteries according to the arrow are new direction...

  • Page 8: Operation Instruction

    OPERATION INSTRUCTION FUNCTION OPERATION DISPLAY POWER ON 1. The unit starts working. 1. Current room temperature is (It is delayed 30 seconds after main displayed. power source is supplied.) 2. ‘COOLING’ lamp lights. POWER when running the unit again after 3.
  • Page 9 FUNCTION OPERATION DISPLAY FAN MODE 1. The Fan works only. 1. Current room temperature is 2. In this mode, the unit circulate room displayed. MODE air. 2. ‘FAN’ lamp lights. MODE 3. Fan speed can be changed. 3. ‘ROOM TEMP’ lamp lights. Push the ‘MODE’...
  • Page 10 FUNCTION OPERATION DISPLAY ON TIMER 1. Timer is changed to as follows by 1. ‘TIMER’ lamp lights. pushing “TIMER/CANCEL” button. 2. Setting time is displayed. TIMER/ CANCEL (1hr 2hr 3hr 4hr 5hr 6hr 8hr 10hr 12hr 16hr 20hr 24hr cancel) ROOM TEMP Push the ‘TIMER/CANCEL’...
  • Page 11 DESCRIPTION OF FUNCTIONS OFF-Timer If you set time in OFF-Timer Mode, the unit will stop at the set time. Unit ON Unit OFF SET Time HOUR ON-Timer If you set time in ON-Timer Mode, the unit will run at the set time. Unit ON Unit OFF SET Time...

  • Page 12: Fan Speed

    Fan Speed FAN ONLY COOL HEAT (1) Motor speed (high speed, low speed). (2) Remote controller setting fan speed. (H, L) (3) Relation of operating mode between fan speed. Sleep Mode (1) When you are going to sleep, select sleep button in remocon and the unit controls the room to the desired temperature.
  • Page 13 Auto Swing (1) When you push this button, in remocon the left/right flap move to the position of keeping the room temperature comiortable. (2) The air discharge direction procedure is below. Auto swing Fixed DE-ICE OPERATION Entering de-ice operation(to turn cooling cycle). 1.

  • Page 14: Wiring Diagram

    3. WIRING DIAGRAM...

  • Page 15: Refrigerant Cycle

    4. REFRIGERANT CYCLE Evaporator Blower fan Reversing Valve Accumulator Capillary Tube MOTOR Compressor Propeller fan Condenser Refrigerant flow(COOLING) Refrigerant flow(HEATING)

  • Page 16: Control Block Diagram

    5. CONTROL BLOCK DIAGRAM Front PCB Remote controller 88 LED Remocon Signal Operating Mode Fan mode Lamp Receiver Fan speed Heating mode Lamp Timer selection Cooling mode Lamp Auto swing Room Temp Lamp Temp setting Desired Temp Lamp ON/OFF Timer Lamp Sleep Main PCB DC 5V...

  • Page 17: Circuit Diagram

    6. CIRCUIT DIAGRAM...

  • Page 19: Part List

     Caution: In this Service Manual, some parts can be changed for improving, their performance without notice in the parts list. So, if you need the latest parts information, please refer to PPL(Parts Price List) in Service information Center(http://svc.dwe.co.kr) Part List MAIN PCB ASS’Y(3104302530) PART NAME SPEC...
  • Page 20  Caution: In this Service Manual, some parts can be changed for improving, their performance without notice in the parts list. So, if you need the latest parts information, please refer to PPL(Parts Price List) in Service information Center(http://svc.dwe.co.kr) Front PCB ASS’Y(3104302400) PART NAME SPEC PART CODE...

  • Page 21: Trouble Shooting Guide

    7. TROUBLE SHOOTING GUIDE TROUBLE SITUATION ANALYSIS CAUSE REMEDY Fan motor and 1. Power failure 1) Power plug 1) Power failure Consult your electric company compressor do not run 2) Circuit breaker 2) Circuit breaker is tripped In case of a breaker, turn it on and off a few times 3) Power plug is not contacting Replace the power plug...
  • Page 22 TROUBLE SITUATION ANALYSIS CAUSE REMEDY The compressor runs 1) Fan Blocked by others Repair but the motor doesn’t 2) Fan motor 3) Capacitor Disconnection or burned-out Replace the fan motor 4) Fan motor circuit electric cord Failure malfunction of contact Replace Disconnection of malfunction of Check the circuit...
  • Page 23 Self-Diagnostic Function 1) Error Code E1 or E2 Check the connector of room air thermistor. (or connecting wire) Check soldering of connecting on control P.C.B. (Error of soldering or short) Check the resistance of room air thermistor. “Press the temperature Keys (Up & Down), Error code is displayed.” Unit Not Run The power is applied to the unit Rating voltage...
  • Page 24 Only Compressor Do not Run - Check the following at cooling mode Check the Main P.C.B Check the voltage between “POWER ” Rating voltage the circuit for relay less than 90% driving. “RL1 ” of Main P.C.B Rating voltage more than 90% Check the connecting Rating voltage wire between Main...
  • Page 25 PCB DRIVING DESCRIPTION...
  • Page 26 Power Supply(1) AC 220V VAR1 POWER 2200/35V TRANS 7805 7812 100/16V 470/25V DESCRIPTION DC Power Supply in circuit needs +12V and +5V. +12V is used for Compressor Driving Relay, Fan Motor Driving Relay, Buzzer Driving, Swing Motor Driving Relay and LED Display. AC voltage of secondary Power Transformer is rectified by 4 Diode, and it is filtering by Main Condensor C2.
  • Page 27 Oscillation(2) MICOM 8 MHz DESCRIPTION Oscillatory Frequency drive Micom, it is made up 8MHz resonator oscillatory Freqency. Ocillatory wave is as following Fig 2-1. -10% +10% Fig 2-1...
  • Page 28 Sensor(3) Room temperature Sensor Input Heat Exchanger ROOM:PT-K43C 12.7K MICOM 12.7K 0.01 DESCRIPTION Number 15 of Micom is Terminal of A/D convertor Input. Room temperature is sensing by change of Thermister Resistance, Micom is put in 5V by ratio between R3 (12.7KΩ) and Room sensor.
  • Page 29 Remote Controller(4) DESCRIPTION Signal from Remote Controller put in only Control Data Signal at Micom Terminal of Number 5, which is gotten field of Carrier (38KHz) from Receive Module. Signal Wave repeat third as following Fig 5-1. But in Secondary Wave Custom Code is Reversed Face. 4.5ms 16bit 16bit...
  • Page 30 Micom Power Supply(5) 100µF/16V MICOM DESCRIPTION MICOM Power is supplied 5V at Number 28 using VDD, Number 6 using Analog Reference of A/D Converter. C9, C10 is Ripple filter.
  • Page 31 Reset(6) 5.6K MICOM 7042 + C11 RESET IC 1µF/50 DESCRIPTION Voltage less than about 4.2V put in Micom Terminal of Number 6 and then Micom reset. Reset IC detect Power ON and Voltage greater than 4.2V, and then send Reset Signal. Vcc (+5V) 4.2V DELAY TIME...

  • Page 32: Key Components Of Electronic Circuit

    8. KEY COMPONENTS OF ELECTRONIC CIRCUIT (1) IC3 (MICOM) TMP47C443N XOUT HOLD (KE0) TEST Display Out R92 (SCK) RESET Fan Speed(Hi) Display Out R91 (SO) Remocon Signal Display Out R90 (SI) R71 (PULSE) Display Out R83 (T1) R72/VAREF Display In, Key Out R82 (INT1/ZIN) Comp R40 (AIN0)
  • Page 33 (3) U2(TD62004AP) DARLINGTON ARRAYS IN1 1 16 OUT 1 KID65004AP IN2 2 15 OUT 2 IN3 3 14 OUT 3 10.5K IN4 4 13 OUT 4 IN5 5 12 OUT 5 7.2K IN6 6 11 OUT 6 IN7 7 10 OUT 7 GND 8 9 COMMON FREE WHEELING DIODES...

  • Page 34: Disassembly Instructions

    9. DISASSEMBLY INSTRUCTIONS Please refer to the chapter 10 (Exploded diagram and parts list). 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. Ass’y Fan Motor 1.

  • Page 35: Exploded Diagram And Parts List

    DWB-180CH-R 4R-4C H/P 1.8 3100074001 AS PIPE EVA OUT ASSY(C1220T) 3100074101 AS PIPE EVA IN ASSY(C1220T) 3100073031 AS PIPE CAPILLARY DWA-182RH H/P CHECK VALVE 3100073930 AS PIPE 4-WAY DWA-182RH H/P HI-EER 3106600810 SCROLL UPPER ESP H/P 3117109500 COMPRESSOR RCA180U001 208/230V-60Hz...
  • Page 36 AS PIPE COND OUT ASSY(C1220T) 3105400310 REVERSING VALVE CHV-0201 SUB PART of 12 3100074630 AS PIPE DISCHARGE DWA-182RH JAKA H/P (HI-EER) SUB PART of 12 3100074530 AS PIPE SUCTION DWA-182RH JAKA H/P (HI-EER) SUB PART of 12 3100067930 ASS’Y GRILLE FRONT...
  • Page 37 DWA-182RH...
  • Page 39 DAEWOO ELECTRONICS CORP. 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.co.kr S/M NO.: DWA182RH01 PRINTED DATE: JAN.2004...

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