Daewoo DWC-121R User Manual

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S/M No. : DWC121R040

Service Manual

Window Type

Room Air Conditioner

Model: DWC-121R / (DWC-124R) DWA-122R / (DWA-124R) DWB-122R / (DWB-124R) DWA-121R / DWB-121R DWB-123R / DWA-150R DWA-151R / (DWA-152R)

Caution

:In this 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).

DAEWOO ELECTRONICS CO., LTD.

Contents

CONTENTS

 

1.

Specifications ................................................................................................

2

2.

Operation .....................................................................................................

3

3.

Wiring Diagram..........................................................................................

12

4.

Refrigerant Cycle .........................................................................................

13

5.

Control Block Diagram.................................................................................

14

6.

Circuit Diagram..........................................................................................

15

7.

Trouble Shooting..........................................................................................

18

8.

Key Components of Electronic Circuit ............................................................

28

9.

Disassembly Instructions ...............................................................................

30

10.

Exploded Diagram and Parts List...................................................................

33

1

1. SPECIFICATIONS

 

MODEL

DWC-121R

DWA-121R

DWA-122R

DWB-121R

DWB-122R

DWB-123R

DWA-150R

DWA-151R

ITEM

 

(DWC-124R)

(DWA-124R)

(DWB-124R)

(DWA-152R)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Function

 

 

 

 

Cooling only

 

 

 

 

 

 

 

 

 

 

 

Power source

 

AC 115V, 60Hz

AC 208~230V, 60Hz

AC 220~240V, 50Hz

AC 220~230V, 50Hz

AC 240V, 50Hz

AC 208~230V, 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

 

 

 

 

 

 

 

 

 

 

 

Energy Efficiency

Btu/wh

10.1

10.2

10.1

9.9

10.0

10.0

9.4

9.8

 

 

 

 

 

 

 

 

 

Ratio

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

4.04

3.93

 

 

 

 

 

 

 

 

 

g/h

1,545

1,640

1,427

1,500

1,209

1,836

1,786

1,232

 

 

 

 

 

 

 

 

 

 

 

 

Power Input (W)

1,200

1,175

1,184

1,180

1,150

1,150

1,487

1,420

Electrical Data

 

 

 

 

 

 

 

 

 

Running Current (A)

11.5

5.5

5.5

5.2

5.4

5.4

6.7

6.5

 

 

 

 

 

 

 

 

 

 

 

 

Type

 

 

 

Rotary

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Compressor

Model

QK164CN12

QK164KN12

RBA115A001

QK196PN13A

RBB110A011

RBF110A011

QJ196KC23B

RCA135A001

 

 

 

 

 

 

 

 

 

Capacitor

40µF/370VAC

25µF/370VAC

 

30µF/400VAC

 

25µF/370VAC

 

 

 

 

 

 

 

 

 

 

 

Model

AM12DWD10-1/

AM12DWD12-1/OBM-2502U1

A2925CA070/OBM-2501P2

AM12DWD11-1/OBM-2503U1

 

OBM-2501K

 

 

 

 

 

 

 

 

 

 

Capacitor

12µF/370VAC

5µF/370VAC

 

5µF/400VAC

 

4µF/370VAC

Motor

 

 

 

 

 

 

 

 

 

Indoor-Fan

 

 

 

Blower-Fan

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Outdoor-Fan

 

 

 

Propeller-Fan

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Refrigerant(R-22)

Control

 

 

 

Capillary

 

 

 

 

 

 

 

 

 

 

 

 

 

Charge Q’ty (g)

680

740

790

730

690

760

790

780

 

 

 

 

 

 

 

 

Dimensions

Unit(W x H x D)

 

 

23.6(W) x 14.9(H) x 21.0(D) inch (600(W ) x 380(H) x 535(D) mm)

 

 

 

 

 

 

 

 

 

 

 

Packing(W x H x D)

 

 

26.1(W) x 18.1(H) x 22.6(D) inch (663(W ) x 460(H) x 573(D) mm)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Weight

Net Weight

88 lbs (38.8Kg)

88 lbs (38.8Kg)

 

90.2 lbs (39.8Kg)

 

92 lbs (42Kg)

 

 

 

 

 

 

 

 

 

Gross Weight

89 lbs (40.3 Kg)

89 lbs (40.3 Kg)

 

97.5 lbs (43Kg)

 

96 lbs (43.5Kg)

 

 

 

DWA-124R, DWB-124R, DWC-124R, DWA-152R;

Except detachable Double Grille Front, the general spec of this model is same to one of the old models.

2

2. OPERATION

1PARTS OF NAME AND FUNCTION

DW*-121R/DW*-122R/DWB-123R/DWA-150R/DWA-151R (NOTE:* A or B or C)

9

3

0

7 q

4

8

2

1 5

6

3

 

 

 

7

 

 

 

4

 

2

 

8

 

 

 

 

1

5

 

NO

PART NAME

NO

PART NAME

1

AIR FILTER

7

BLADE HORIZENTAL

2

GRILLE FRONT

8

AIR VENT

3

CABINET

9

FRAME GUIDE TOP

4

BLADE VERTICAL

10

FRAME WINDOW KIT

5

PANEL CONTROL

11

SHUTTER WINDOW

6

REMOTE CONTROLLER

 

 

3

Daewoo DWC-121R User Manual

DW*-124R/DWA-152R (NOTE:* A or B or C)

0

 

3

 

 

 

 

 

q

 

2

 

7

 

 

 

4

 

 

 

w

 

 

 

8

 

 

1

 

 

 

5

9

 

 

 

6

 

3

 

 

 

 

 

7

 

2

 

 

 

 

 

4

 

 

 

8

 

 

1

 

 

 

5

9

NO

PART NAME

NO

PART NAME

1

AIR FILTER

7

BLADE HORIZENTAL

2

GRILLE

8

AIR VENT

3

CABINET

9

FRAME GRILLE

4

BLADE VERTICAL

10

FRAME GUIDE TOP

5

PANEL CONTROL

11

FRAME WINDOW KIT

6

REMOTE CONTROLLER

12

SHUTTER WINDOW

4

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.

TIMER/

CANCEL SLEEP

 

AUTO

 

FAN SPEED

SWING

MODE

 

FAN SPEED

Everytime you push this button, it is selected as follow.

(High→Mid→Low→High)

TEMP

TEMPERATURE

It is the button to set the room in the desired room temp.

The temp can be set within a range from 16°C (60°F) to 32°C (90°F) by 1°C (1°F)

POWER ON/OFF

To turn the unit ON, push this button. To turn the unit OFF, push this button, again.

SLEEP

SLEEP mode is selected as follow. (L1→L2→Cancel)

MODE

Everytime you push this button, it is selected as follow. (COOLING→TURBO→FAN→ COOLING)

AUTO SWING

Everytime you push this button, the auto swing mode is toggled.

5

3REMOTE CONTROLLER DISPLAY

SELECT ONE ALTERNATIVE PAGE 6 or PAGE 7

MODE DISPLAY

• It displays the operating mode.

TEMP./TIMER DISPLAY

• It displays the temperature and the timer.

REMOCON SIGNAL RECEIVER

TEMPERATURE SET BUTTON

• 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)

 

88

SENSOR

Room Air-conditioner

 

 

 

FAN

ROOM TEMP

TURBO

DESIRED TEMP

COOLING

TIMER

MODE

FAN

AUTO

SPEED

SWING

 

FAN SPEED BUTTON

Everytime you push this button, It is selected as follow. (High→Mid→Low→High)

AUTO SWING BUTTON

TEMP

POWER

POWER ON/OFF BUTTON

To turn the unit ON, push this button. To turn the unit OFF, push this button again.

• Everytime you push this button, the auto swing mode is toggled.

MODE SELECT BUTTON

Everytime you push this button, It is selected as follow. (COOLING→TURBO→FAN→COOLING)

6

MODE DISPLAY

• It displays the operating mode.

TEMP./TIMER DISPLAY

• It displays the temperature and the timer.

REMOTE 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

Room Air-conditioner

Fan

Room temp

 

 

Turbo

Desired temp

TEMP

 

 

Cooling

Timer

 

 

 

 

MODE FAN SPEED AUTO SWING POWER

FAN SPEED

Everytime you push this button, It is selected as follow. (High→Mid→Low→High)

AUTO SWING

POWER ON/OFF SWITCH

To turn the unit ON, push this button. To turn the unit OFF, push this button again.

• Everytime you push this button, the auto swing mode is toggled.

MODE SELECT

Everytime you push this button, It is selected as follow. (Cooling→Turbo→Fan→Cooling)

7

Replacing Batteries

Remove the COVER from

2

Insert two battaries.

3

Re-attach the cover.

1 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

 

 

 

 

 

 

 

+

 

 

 

 

+

 

 

Do not use rechargeable batteries such batteries differ from standard dry cells in shape, dimensions and performance.

Remove the batteries from the remote controller if the air conditioner is not going to be used for an extended length of time.

8

4 DESCRIPTION OF FUNCTIONS

Unit ON

ON

Unit OFF

OFF

SET Time

HOUR

ON-Timer

Unit ON

 

ON

 

Unit OFF

 

OFF

 

SET Time

HOUR

Control of Room Temperature

(1)Range of setting temperature: 16~32°C

(2)Setting temperature: Operating temperature of compressor

COMP (ON)

COMP (OFF)

-1˚C Desired temperature

Temperature

(COOLING)

Room temperatrue * (< setting temperature

Compressor OFF

Room temperature (> setting temperafure

Compressor ON

If the Unit Display receive the signal of Remote Controller, you can hear the signal "beep –" or "beep, beep".

9

Fan Speed

(1)Motor speed (high speed, normal speed, low speed).

(2)Remote controller setting fan speed. (H, M, L)

(3)Relation of operating mode between fan speed.

 

FAN ONLY

COOL

TURBO

 

 

 

 

H

H

H

H

M

M

M

-

L

L

L

-

 

 

 

 

Sleep Mode

(1)When you are going to sleep, select sleep button in remocon and the unit controls the room to the desired temperature. (The unit will not operate after 4 hour)

(2)For changing the temperature.

Mode I (L1)

Difference

desired temperature between room temperature (° C)

 

 

1°C0.5° C

 

 

1°C0.5° C

 

Desired

1°C0.5° C

 

 

 

 

 

Temperature

 

 

 

0

0.5

1.0

HOUR

SET TIME

 

 

The unit will not operate after 4 hour.

Mode II (L2)

Desired

Temperature

+1˚C

+1˚C

SET ON

 

SET OFF

2hr

2hr

2hr

2hr

2hr

• The unit will not operate perfectly after 10 hour.

(3)To cancel sleep mode, press the SLEEP button again or press the MODE button once. : the SLEEP indicator will disappear in the display.

3min. Time Delay of Compressor

In normal operation, there is a time delay of three minutes between turn off and turning back on including initial power up.

10

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

Turbo Mode(Powerful Cooling)

(1) Cooling Condition

1Fan Speed: High speed

2Set temperature:16˚C(Fixed)

3Compressor and Fan

ON

OFF

(Room temperature-18˚C)

-1 0 1

Self-Diagnostic Function

The control will contain diagnostic test to verify the integrity of the system.

(1)Error Code Display

ERROR CODE

88 LED DISPLAY

ERROR CONTENTS

 

 

 

1

 

Room air thermistor short or open.

 

 

 

11

3. WIRING DIAGRAM

(3103529000)

12

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