Daewoo DWB-123CH Wartungshandbuch

Service ManualWindow Type Room Air ConditionerModel: DWB-180RH-RDWB-186RH-RDWB-240RH-RDWB-246RH-RDAEWOO ELECTRONICS CORP.

4 OPERATION INSTRUCTIONFUNCTIONPOWER ONPush POWER buttonCOOLING MODEPush the ‘MODE’ button until‘COOLING’ lamp lights.HEATING MODEPush the ‘MODE’ butt

10FUNCTIONFAN MODEPush the ‘MODE’ button until‘FAN’ lamp lights.ON/OFF AUTO SWINGPush the ‘AUTO SWING’ button.OFF TIMERPush the ‘TIMER/CANCEL’button w

FUNCTIONON TIMERPush the ‘TIMER/CANCEL’button when unit is off.(REMOCON ONLY)SLEEP MODEPush the ‘SLEEP’ button in‘COOLING’ mode andHEATING MODE. (REMO

12FUNCTIONPOWER ONPush POWER buttonCOOLING MODEPush the ‘MODE’ button until‘COOLING’ lamp lights.HEATING MODEPush the ‘MODE’ button until‘HEATING’ lam

13FUNCTIONFAN MODEPush the ‘MODE’ button until‘FAN’ lamp lights.ON/OFF AUTO SWINGPush the ‘AUTO SWING’ button.OFF TIMERPush the ‘TIMER/CANCEL’button w

14FUNCTIONON TIMERPush the ‘TIMER/CANCEL’ buttonwhen unit is off. (REMOCON ONLY)SLEEP MODEPush the ‘SLEEP’ button in‘COOLING’ mode and HEATINGMODE. (R

15If 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

16(1) When you are going to sleep, select sleep button in remocon and the unit controls the room to the desiredtemperature. (The unit will not operate

17Auto Swing(1) When you push this button, in remocon the left/right flap move to the position of keeping the room temperaturecomiortable.(2) The air

183. WIRING DIAGRAM

CONTENTS1. Specifications ...22. Operation...

194. REFRIGERANT CYCLEEvaporatorBlower fanMOTORReversingValveAccumulatorPropeller fanCondenserRefrigerant flow(COOLING)Refrigerant flow(HEATING)Capill

205. CONTROL BLOCK DIAGRAM

216. CIRCUIT DIAGRAM

22NO PART NAME SPEC PART CODE Q’TY REMARK1 BUZZER DP-2520BA 3105698200 1 BZ12 C-CERA 104M 50VDC CCXE1H104M 1 CC13 C-CERA 104M 50VDC CCXE1H104M 1 CC24

23LOC CODE PART NAME SPEC QTY REMARK1 CCXE1H103M C-CERA 103M 50VDC 1 CC12 3108806600 WAFER SMAW250-15,WHITE 1 CN13 DZN4148FTB DIODE 1N4148 AUTO 26MM 1

247. TROUBLE SHOOTING GUIDETROUBLE SITUATION ANALYSIS CAUSE REMEDYFan motor andcompressor do not runcompressor does notrun1. Power failure2. Power is

25TROUBLE SITUATION ANALYSIS CAUSE REMEDYThe compressor runsbut the motor doesn’trunBoth fan motor andcompressor arerunning but cooling orheating is b

261) Error Code E1 or E21 Check the connector of room air thermistor. (or connecting wire) 2Check soldering of connecting on control P.C.B. (Error of

27- Check the following at cooling modeCheck the voltage between “CN ”and “RL1 (COMP)”of Main P.C.B1Check the compressor wiringCheck the Relay(RL1)Ch

PCB DRIVING DESCRIPTION

21. SPECIFICATIONSITEMMODELDWB-180RH-R DWB-186RH-R DWB-240RH-R DWB-246RH-RPower Source V/Ph/Hz AC 220-240V / 1 / 50HzCapacityBtu/h 18,000 24,000(Cooli

292. Reset Operation CircuitMicom IC4 is operated by IC5 and its signal. Generally, DC5V is checked at port 27 of IC4.R5 and CE5 : Parts for determine

303. Sensor Signal Input Circuit and OptionPort 4 of IC4 is terminal of A/D converter input.Room temperature is sensing by change of temperature resis

314. Display drive and Key Input CircuitDisplay operation is dynamic scan drive type. It has 1/3 duty cycle.Scan signal output : Port 21, Port 22, Por

325. Relay and Buzzer drive CircuitPort 6,7,9 of IC4 : Relay ON and OFF drive signal output.IC3 : Relay ON and OFF drive device.Fan Motor ON/OFF and S

33(1) IC4 (TMP87C809N) MICOM (2) IC2 (TNY264) SMPS SWITCH IC8. KEY COMPONENTS OF ELECTRIC CIRCUIT

34(3) U2(TD62004AP) DARLINGTON ARRAYS(4) U7 (7805CT): VOLTAGE REGULATOR (5VDC) IN1 1 16 OUT 1IN2 2 15 OUT 2IN3 3 14 OUT 3IN4 4 13 OUT 4IN5 5 12 O

359. DISASSEMBLY INSTRUCTIONS1 Before service of 1. Stop the unit, remove the power cord from the receptacles.any part. 2. Move the unit to the safe l

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

3710. EXPLODED DIAGRAM AND PARTS LIST. DWB-180RH-R/DWB-240RH-R PARTS LISTNo. CODE COMPONENTS Q’TY SPECIFICATION REMARK1 3100066221 ASS'Y PAN BAS

38No. CODE COMPONENTS Q’TY SPECIFICATION REMARK36 3108505501 SEAL CABINET SIDE( R ) 1 F-US+130*T10*37037 3108505401 SEAL CABINET SIDE(L) 1 F-US+200*T1

31PARTS OF NAME AND FUNCTION• DWB-180RH-R/DWB-240RH-R2. OPERATIONNO PART NAME1 AIR FILTER2 GRILL FRONT3 CABINET4 BLADE VERTICALNO PART NAME5 PANEL CON

39 DWB-186RH-R/DWB-246RH-R PARTS LISTNo. CODE COMPONENTS Q’TY SPECIFICATION REMARK1 3100066221 ASS'Y PAN BASE 1 DWB-180CH-R H/P2 3106002200 COMP

40No. CODE COMPONENTS Q’TY SPECIFICATION REMARK39 3100066310 ASS'Y CONDENSER 1 DWB-180CH-R 3R-2C H/P 2.040 3100070811 AS PIPE COND IN 1 DWB-180CH

41 DWB-180RH-R / DWB-240RH-R

42 DWB-186RH-R / DWB-246RH-R

S/M NO.: DWB180RHR02DAEWOO ELECTRONICS CORP.686, AHYEON-DONG MAPO-GU SEOUL, KOREAC.P.O. BOX 8003 SEOUL, KOREATELEX: DWELEC K28177-8CABLE: “DAEWOOELEC”

4• DWB-186RH-R / DWB-246RH-R653482719NO PART NAME1 AIR FILTER2 INLET GRILLE3 CABINET4 BLADE VERTICAL5 PANEL CONTROLNO PART NAME6 REMOTE CONTROLLER7 BL

52REMOTE CONTROLLERREMOCON SIGNAL TRANSMITTERTIMER/CANCEL• Everytime you push this button,timer is set as follow.(1Hr→2Hr→3Hr→4Hr→5Hr→6Hr→8Hr→10Hr→12H

63REMOTE CONTROLLER DISPLAYRoom Air-conditionerFANHEATINGCOOLINGTEMPTIMERSENSORMODE POWERFANSPEEDAUTOSWINGTEMP./TIMER DISPLAY• It displays the tempera

7CAUTION: When you turn off the unit with cooling mode, the Fan still work for about 10 seconds.• DWB-186RH-R / DWB-246RH-RRoom Air-conditionerFANHEAT

Replacing Batteries8Remove the COVERfrom the back of theremote controller.• Slide the coveraccording to the arrowdirectionInsert two battaries. • Be s