Daewoo DWB-180C Service Manual

Service ManualWindow Type Room Air ConditionerModel: DWB-180CH-RDWB-240CH-RDWA-181CHDWA-186CHDWA-240CH-RDWA-246CH-RDAEWOO ELECTRONICS CORP.✔ Caution:

95. GENERAL INFORMATIONS• CHANGING AIR FLOW DIRECTIONAir flow deflectors divert air from center flow to left or right and up or down.Adjust deflector

10• HOW TO ATTACH CABINET DRAINThe air conditioner employs a proper drain method whereby the condensed water (moisture removed from the air) isdrained

116. CARE AND MAINTENANCE• AIR FILTERClean the air filter, which removes dust inside the room.It should be washed at least once every week during oper

12• DWA-186CH/DWA-246CH-R• AIR FILTERClean the air filter, which removes dust inside the room.It should be washed at least once every week during oper

137. ELECTRICAL REQUIREMENTS• ELECTRICAL GROUNDING INSTRUCTIONSThis appliance is equipped with a three-prong(grounding) plug for protection against po

148. DESCRITION OF FUNCTIONS• COOLING OPERATIONIf the rotary switch is turned to “COOL”, the unit starts to cooling operation.The power is not supplie

159. WIRING DIAGRAM

1610. REFRIGERANT CYCLEEvaporatorBlower fanMOTORReversingValveAccumulatorPropeller fanCondenserRefrigerant flow(COOLING)Refrigerant flow(HEATING)Capil

1711. PCB DRIVING DESCRIPTION

181. DC POWER SUPPLYRefer to “C” (DC Power) in the circuit diagramDC Voltages is needs +12[V] and +5[V].DC +12[V] is used for relay control, and DC +5

1TABLE OF CONTENTS 1. PRECAUTION...22. GENERAL SPECIFICATIONS ...

1912. TROUBLE SHOOTING GUIDETROUBLE SITUATION ANALYSIS CAUSE REMEDYFan motor andcompressor do not runSwitch is in “cool”position but thecompressor doe

20TROUBLE SITUATION ANALYSIS CAUSE REMEDYThe compressor runsbut the motor doesn’trunBoth fan motor andcompressor arerunning but cooling isbadVibration

21TROUBLE SHOOTINGIf you find the ice on the outdoor side, please check the P.C.B as following.1) P.C. B test function.1) Remove the sensor connector

2213. HOW TO DISASSEMBLE1 Before service of 1. Stop the unit, remove the power cord from the receptacles.any part. 2. Move the unit to the safe locati

231 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 wo

2414. EXPLODED DIAGRAM AND PARTS LIST. DWA-181CH PARTS LISTNo. CODE COMPONENTS Q'TY SPECIFICATION REMARK1 3100066241 ASS'Y PAN BASE 1 DWA-1

25No. CODE COMPONENTS Q'TY SPECIFICATION REMARK41 3100070911 AS PIPE COND OUT 1 DWB-180CH-R H/P42 3100079400 ASSY SOLENOID COIL 1 DWB-180CH-R43 3

26 DWA-186CH PARTS LISTNo. CODE COMPONENTS Q’TY SPECIFICATION REMARK1 3100066241 ASS'Y PAN BASE 1 DWA-181CH LIQUID-INJ H/P2 3106003110 COMP BOLT

27No. CODE COMPONENTS Q’TY SPECIFICATION REMARK43 3100074650 AS PIPE DISCHARGE 1 DWA-186CH44 3100074550 AS PIPE SUCTION 1 DWA-186CH45 3100067950 ASS&a

28 DWA-240CH-R PARTS LISTNo. CODE COMPONENTS Q’TY SPECIFICATION REMARK1 3100066220 ASS'Y PAN BASE 1 DWB-180CH-R H/P2 3106003110 COMP BOLT 3 M8*L

21. PRECAUTIONPlease observe the following instructions.1. Turn off unit.- Make sure the unit is OFF and the AC cord is unplugged before repairing or

29No. CODE COMPONENTS Q’TY SPECIFICATION REMARK40 3100070911 AS PIPE COND OUT 1 ASSY(C1220T)41 3100079400 ASS'Y SOLENOID COIL 1 DWB-180CH-R42 310

30 DWA-246CH-R PARTS LISTNo. CODE COMPONENTS Q’TY SPECIFICATION REMARK1 3100066220 ASS'Y PAN BASE 1 DWB-180CH-R H/P2 3106003110 COMP BOLT 3 M8*L

31No. CODE COMPONENTS Q’TY SPECIFICATION REMARK42 3100074601 AS PIPE DISCHARGE 1 ASSY(C1220T)43 3100074501 AS PIPE SUCTION 1 ASSY(C1220T)3100067950 AS

32 DWB-180CH-R,DWB-240CH-R PARTS LISTNo. CODE COMPONENTS Q’TY SPECIFICATION REMARK1 3100066221 ASS'Y PAN BASE 1 DWB-180CH-R H/P2 3106002200 COMP

33No. CODE COMPONENTS Q’TY SPECIFICATION REMARK40 3100070911 AS PIPE COND OUT 1 ASSY(C1220T)41 3100079400 ASS'Y SOLENOID COIL 1 DWB-180CH-R42 310

34 DEICER PCB ASS’Y (3104303100)CODE COMPONENTS Q’TY SPECIFICATION REMARK3108803500 PIN 3 GP881206-2(250)D15G561K–– VARISTOR 1 15G1561K3108806100 WAF

3• DWA-181CH

3• DWA-186CH

32. GENERAL SPECIFICATIONSMODELITEMDWA-181CH DWA-186CH DWA-240CH-R DWA-246CH-R DWB-180CH-R DWB-240CH-RPower Source V/Hz AC 220V/60Hz AC 220-240V/50HzB

3• DWA-246CH-R

3• DWB-180CH-R / DWB-240CH-R / DWA-240CH-R

S/M NO.: DWB180CHR2DAEWOO ELECTRONICS CORP.686, AHYEON-DONG MAPO-GU SEOUL, KOREAC.P.O. BOX 8003 SEOUL, KOREATELEX: DWELEC K28177-8CABLE: “DAEWOOELEC”F

43.NAMES OF MAJOR COMPONENTS13NO PART NAME1 AIR FILTER2 GRILLE FRONT3 CABINET4 BLADE VERTICAL5 KNOB THERMOSTAT6 KNOB SELECTOR7 BLADE HORIZONTALNO PART

5• DWA-186CH/DWA-246CH-R934827156q0NO PART NAME1 AIR FILTER2 INLET GRILLE3 CABINET4 BLADE VERTICAL5 KNOB THERMOSTAT6 KNOB SELECTORNO PART NAME7 BLADE

64. FUNCTION OF MAIN COMPONENTS• FAN & COOLING CONTROLThe Fan Control Selector Switch has six positions.Choose one of the speed settings by rotati

7• DWA-186CH/DWA-246CH-R• FAN & COOLING CONTROLThe Fan Control Selector Switch has six positions.Choose one of the speed settings by rotating the

8• MOTORThe motor is used to rotate the indoor and outdoor fan so that the room air can be recirculated.• FAN MOTOR– BLOWER FAN : The Blower draws hot